BAL_8669018_06_001_EN.pdf

THE POWER BEHIND POWER. Operating instructions ETOS® IM. Monitoring system 8669018/06 EN © All rights reserved by Maschinenfabrik Reinhausen Dissemination and reproduction of this document and use and disclosure of its content are strictly prohibited unless expressly permitted. Infringements will result in liability for compensation. All rights reserved in the event of the granting of patents, utility models or designs. The product may have been altered since this document was published. We reserve the right to change the technical data, design and scope of supply. Generally the information provided and agreements made when processing the individual quotations and orders are binding. The product is delivered in accordance with MR's technical specifications, which are based on information provided by the customer. The customer has a duty of care to ensure the compatibility of the specified product with the customer's planned scope of application. The original operating instructions were written in German. Table of contents 1 Introduction................................................. 6 5.2 Electromagnetic compatibility.................................. 40 1.1 Manufacturer................................................................. 6 5.2.1 Wiring requirement of installation site......... 40 1.2 Completeness............................................................... 6 5.2.2 Wiring requirement of operating site........... 41 1.3 Safekeeping................................................................... 6 5.2.3 Wiring requirement in control cabinet.......... 42 1.4 Notation conventions.................................................. 6 5.2.4 Information about shielding the CAN bus.... 42 1.4.1 Hazard communication system....................... 6 5.3 Minimum distances.................................................... 44 1.4.2 Information system............................................ 7 5.4 Installing the 19-inch plug-in housing...................... 45 1.4.3 Instruction system.............................................. 7 5.5 Connecting the device............................................... 47 1.4.4 Typographic conventions................................ 8 5.5.1 Cable recommendation.................................. 48 1.5 Open source software.................................................. 9 5.5.2 Notes on the screw terminal tightening torque............................................................. 48 2 Safety.......................................................... 10 5.5.3 Information about connecting serial 2.1 Appropriate use........................................................... 10 interfaces RS232 and RS485 (with 9-pin 2.2 Inappropriate use........................................................ 11 data cable)..................................................... 49 2.3 Fundamental safety instructions............................... 11 5.5.4 Notes on connecting to the MR sensor 2.4 Personnel qualification............................................... 13 bus.................................................................. 50 2.5 Personal protective equipment................................. 13 5.5.5 Information about laying fiber-optic cable.... 57 5.5.6 Mounting terminating resistor of CAN 3 IT security................................................... 15 bus.................................................................. 58 3.1 General......................................................................... 15 5.5.7 Connecting cables to the system 3.2 Commissioning............................................................ 15 periphery........................................................ 58 3.3 Operation..................................................................... 15 5.5.8 Wiring the CPU I / CPU II assembly............... 59 3.4 Interfaces..................................................................... 16 5.5.9 Wiring the UI assembly................................... 61 3.5 Encryption standards.................................................. 18 5.5.10 Wiring the AIO 2/AIO 4/AIO 8 assembly........................................................ 62 4 Product description.................................... 21 5.5.11 Wiring the DIO assembly.............................. 66 4.1 Scope of delivery......................................................... 21 5.5.12 Wiring the MC 2-2/SW3-3 assembly........... 69 4.2 Function description................................................... 21 5.5.13 Wiring the QS3.241 assembly...................... 72 4.2.1 Bushing monitoring........................................ 22 5.5.14 Connecting the power supply...................... 73 4.2.2 Power regulation (optional)........................... 22 5.6 Installing the individual components on a cap 4.3 Performance features................................................ 23 rail............................................................................. 75 4.4 Design......................................................................... 24 5.6.1 Fastening the cap rail...................................... 75 4.4.1 Power supply OT1205.................................... 25 5.6.2 Installing the bus rail on the cap rail.............. 76 4.4.2 Power supply QS3.241................................... 25 5.6.3 Installing the assembly at a distance on 4.4.3 CPU (central processing unit) I...................... 25 the cap rail..................................................... 76 4.4.4 UI 1 and UI 3.................................................... 26 4.4.5 DIO 28-15 and DIO 42-20.............................. 26 6 Commissioning.......................................... 78 4.4.6 AIO 2 analog inputs and outputs.................. 27 6.1 Performing tests......................................................... 78 4.4.7 System networking MC 2-2........................... 28 6.1.1 Ground test...................................................... 78 4.4.8 System networking SW 3-3........................... 28 6.1.2 Performing a dielectric test............................ 80 4.4.9 Voltage measurement................................... 29 6.2 Establishing connection to visualization.................. 82 4.4.10 System networking BEM1/BES1.................. 30 6.3 Setting the language.................................................. 83 4.4.11 Bushing adapter and bushing coupling 6.4 Setting date and time................................................ 83 unit................................................................. 30 6.5 Downloading the operating instructions................. 84 4.5 Main screen................................................................. 31 6.6 Commissioning wizard.............................................. 84 4.5.1 Transformer for network applications........... 32 6.7 Checking measured values and status of digital 4.5.2 Transformer for industrial applications........ 33 inputs and outputs.................................................. 85 4.6 Additional display elements and operating 6.8 Checking the redundant recording of the on- controls.................................................................... 35 load tap-changer oil temperature (optional)......... 85 4.7 Operating concept..................................................... 36 5 Mounting................................................... 40 5.1 Preparation.................................................................. 40 8669018/06 EN Table of contents 3 7.4.5 Displaying winding temperatures 7 Operation................................................... 87 (optional)...................................................... 239 7.1 System......................................................................... 87 7.4.6 Hot-spot temperature of the transformer 7.1.1 Establishing connection to visualization........ 87 winding (optional)....................................... 239 7.1.2 General............................................................. 88 7.4.7 Setting calculation of transformer's loss 7.1.3 Configuring the network.................................. 91 of life (optional)........................................... 247 7.1.4 MQTT............................................................... 93 7.4.8 Dynamic Transformer Rating (optional)..... 247 7.1.5 Setting the device time................................... 95 7.4.9 Dissolved gas analysis (optional)................. 250 7.1.6 Configuring syslog........................................... 97 7.4.10 Monitoring the gas volume of the 7.1.7 SCADA.............................................................. 98 Buchholz relay (transformer)..................... 258 7.1.8 Name plate (optional).................................... 118 7.4.11 Monitoring the oil pressure 7.1.9 Displaying measured value recorder (transformer)............................................... 258 (optional)....................................................... 119 7.4.12 Displaying transformer statistics............... 259 7.1.10 Setting the measured value recorder......... 121 7.4.13 Breakdown voltage monitoring................. 259 7.1.11 Generic temperatures (optional).................. 122 7.5 On-load tap-changer................................................ 268 7.1.12 Linking signals and events........................... 122 7.5.1 Tap position monitoring (optional).............. 268 7.1.13 MR sensor bus............................................... 126 7.5.2 Target-tap-position operation...................... 269 7.1.14 Configuring analog inputs and outputs 7.5.3 Changing tap position designation (optional)...................................................... 134 (optional)...................................................... 269 7.1.15 Configuring digital inputs and outputs....... 137 7.5.4 Displaying tap-change operation 7.1.16 Event management...................................... 139 statistics (optional)...................................... 270 7.1.17 User administration..................................... 142 7.5.5 Displaying information about contact 7.1.18 Hardware...................................................... 147 wear (only OILTAP®)................................... 270 7.1.19 Software........................................................ 148 7.5.6 Maintenance (optional).................................. 271 7.1.20 Import/export manager.............................. 148 7.5.7 Monitoring the gas volume of the 7.1.21 Transformer Personal Logic Editor Buchholz relay (OLTC)................................ 279 (TPLE)............................................................ 152 7.5.8 Monitoring the oil pressure (on-load tap- 7.1.22 Configuring media converter with changer)....................................................... 279 managed switch.......................................... 166 7.5.9 Displaying the minimum and maximum 7.1.23 Linking to the visualization of external tap position.................................................. 280 devices......................................................... 168 7.5.10 Setting the TCR calculation factor 7.1.24 Setting the screensaver............................... 170 (optional)...................................................... 280 7.2 Power grid.................................................................. 172 7.5.11 Information about the on-load tap- 7.2.1 Transformer data............................................ 172 changer......................................................... 281 7.2.2 Measurement................................................. 185 7.6 Motor-drive unit and control cabinet..................... 282 7.2.3 Voltage monitoring........................................ 187 7.6.1 Control of the motor-drive unit (optional).. 282 7.2.4 Current monitoring....................................... 189 7.6.2 Motor Current Index (MCI)........................... 285 7.2.5 Power monitoring.......................................... 191 7.7 Cooling system control (optional).......................... 289 7.2.6 Power flow monitoring.................................. 193 7.7.1 Configuring cooling stages........................... 289 7.2.7 Phase symmetry monitoring........................ 194 7.7.2 Set the operating mode................................ 290 7.2.8 Monitoring settings........................................ 195 7.7.3 Deactivating cooling system control............ 291 7.2.9 TAPCON® 2xx retrofit.................................... 195 7.7.4 Configuring load-dependent mode.............. 291 7.2.10 Displaying current measured values.......... 197 7.7.5 Configuring periodic mode........................... 292 7.2.11 Displaying minimum and maximum 7.7.6 Configuring alternating mode...................... 293 measured values.......................................... 197 7.7.7 Configuring the frequency-based cooling 7.3 On-load tap-changer regulator............................... 199 system control............................................. 293 7.3.1 Regulation...................................................... 199 7.7.8 Displaying status of cooling stages............. 296 7.3.2 Voltage regulation (optional)....................... 200 7.8 Cooling system monitoring (optional)................... 297 7.3.3 Reactive power regulation (optional)........... 217 7.8.1 Setting the cooling system monitoring 7.3.4 Line drop compensation.............................. 220 function........................................................ 297 7.3.5 Parallel operation (optional)......................... 223 7.8.2 Cooling efficiency monitoring (optional).... 297 7.3.6 U bandwidth monitoring.............................. 232 7.8.3 Cooling system flow monitoring 7.3.7 Q bandwidth monitoring (optional)............. 234 (optional)...................................................... 299 7.4 Active part................................................................. 236 7.4.1 Asset intelligence.......................................... 236 7.4.2 Temperature monitoring............................. 237 7.4.3 Displaying temperature curve (optional).... 238 7.4.4 Setting Tx statistics monitoring.................. 238 4 Table of contents 8669018/06 EN 7.9 Bushings (optional).................................................. 302 12.12 Standards and directives...................................... 349 7.9.1 Setting the transformer data for the reference system (optional)....................... 302 13 Appendix................................................. 351 7.9.2 Configuring bushing monitoring................. 302 13.1 Check list for commissioning.................................. 351 7.9.3 Displaying the state of the bushings........... 310 13.2 Measured log value of the bushings, field 1......... 352 7.9.4 Displaying the capacitance progression...... 311 7.9.5 Show dissipation factor curve (MSENSE® Glossary....................................................... 353 BM-T)............................................................. 311 7.9.6 Displaying sum current information............ 311 List of key words......................................... 355 7.10 Protective devices................................................... 313 7.10.1 Displaying the measured values of the Buchholz relay (optional)............................. 313 7.10.2 Displaying the measured values of the pressure relief device (optional)................. 313 7.10.3 Displaying protective device status (optional)...................................................... 314 7.11 Insulating fluids........................................................ 315 7.11.1 Displaying the measured value trend of the oil level and dehydrating breather (optional)....................................................... 315 8 Maintenance and care............................... 316 8.1 Cleaning the device................................................... 316 9 Fault elimination....................................... 317 9.1 General faults............................................................. 317 9.1.1 CPU I, CPU II.................................................... 317 9.2 Human-machine interface....................................... 318 9.3 Other faults................................................................ 318 10 Uninstallation.......................................... 319 10.1 Uninstalling the CPU assembly.............................. 319 10.2 Removing the UI assembly.................................... 322 10.3 Removing the AIO assembly................................. 324 10.4 Removing the DIO assembly................................ 325 10.5 Uninstalling the MC 2-2/SW 3-3 assembly.......... 327 10.6 Uninstalling the QS3.241 assembly...................... 329 10.7 Uninstalling the bus rail......................................... 330 10.8 Removing the bushing adapter and bushing coupling unit........................................................... 331 11 Disposal................................................... 332 12 Technical data......................................... 333 12.1 Power supply QS3.241........................................... 333 12.2 Power supply OT1205............................................ 333 12.3 UI 1 and UI 3............................................................ 335 12.4 Voltage measurement UI 5-3................................ 336 12.5 DIO 28-15 and DIO 42-20...................................... 337 12.6 AIO 2 and AIO 4...................................................... 339 12.7 CPU (central processing unit) I.............................. 340 12.8 MC 2-2 and SW 3-3................................................. 342 12.9 System networking BEM1/BES1............................ 343 12.10 Bushing monitoring.............................................. 344 12.10.1 Bushing adapter......................................... 344 12.10.2 Bushing coupling unit............................... 347 12.10.3 Connection cable....................................... 348 12.11 Ambient conditions............................................... 349 8669018/06 EN Table of contents 5 1 Introduction This technical file contains detailed descriptions on the safe and proper installa- tion, connection, commissioning and monitoring of the product. It also includes safety instructions and general information about the product. This technical file is intended solely for specially trained and authorized person- nel. 1.1 Manufacturer Maschinenfabrik Reinhausen GmbH Falkensteinstraße 8 93059 Regensburg Deutschland +49 941 4090-0 [email protected] reinhausen.com MR Reinhausen customer portal: https://portal.reinhausen.com. Further information on the product and copies of this technical file are available from this address if required. 1.2 Completeness This technical file is incomplete without the supporting documents. The following documents are considered supporting documents: – Connection diagrams – Supplement (optional) 1.3 Safekeeping Keep this technical file and all supporting documents ready at hand and accessi- ble for future use at all times. 1.4 Notation conventions 1.4.1 Hazard communication system Warnings in this technical file are displayed as follows. 1.4.1.1 Warning relating to section Warnings relating to sections refer to entire chapters or sections, sub-sections or several paragraphs within this technical file. Warnings relating to sections use the following format: 6 Introduction 8669018/06 EN WARNING Type of danger! Source of the danger and outcome. Action Action 1.4.1.2 Embedded warning information Embedded warnings refer to a particular part within a section. These warnings apply to smaller units of information than the warnings relating to sections. Em- bedded warnings use the following format: DANGER! Instruction for avoiding a dangerous situation. 1.4.1.3 Signal words in warning notices Signal word Meaning DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a hazardous situation which, if not avoided, could result in mi- nor or moderate injury. NOTICE Indicates measures to be taken to prevent damage to property. Table 1: Signal words in warning notices 1.4.2 Information system Information is designed to simplify and improve understanding of particular procedures. In this technical file it is laid out as follows: Important information. i 1.4.3 Instruction system This technical file contains single-step and multi-step instructions. Single-step instructions Instructions which consist of only a single process step are structured as fol- lows: Aim of action Requirements (optional). Step 1 of 1. Result of step (optional). Result of action (optional). Multi-step instructions Instructions which consist of several process steps are structured as follows: 8669018/06 EN Introduction 7 Aim of action Requirements (optional). 1. Step 1. Result of step (optional). 2. Step 2. Result of step (optional). Result of action (optional). 1.4.4 Typographic conventions Typographic convention Purpose Example UPPERCASE Operating controls, switches ON/OFF [Brackets] PC keyboard [Ctrl] + [Alt] Bold Software operating controls Press Continue button …>…>… Menu paths Parameter > Control parameter Italics System messages, error messages, sig- Function monitoring alarm triggered nals [► Number of pages] Cross reference [► Page 41]. Dotted underscore............................................. Glossary entry, abbreviations, definitions, Glossary entry........................ etc. Table 2: Typographic conventions used in this technical file 8 Introduction 8669018/06 EN 1.5 Open source software This product contains open source software, which has been developed by third parties. The open source software and the corresponding license conditions can be called up in the menu via Settings > Export > Licenses. The open source software is protected by copyright. You are free to use the open source software provided you comply with the respective license condi- tions. In the event of a conflict, these license conditions shall take precedence over other license conditions. The open source software is provided free of charge. Insofar as this is provided for by the license conditions of the open source software, you can obtain the source text of the open source software at least for three years from receipt of the product against payment of the corresponding costs from your respective contact person at Maschinenfabrik Reinhausen GmbH. Insofar as the use of the open source software goes beyond the intended use in the product itself, all liability is excluded. The same applies in the event of changes to the open source software. 8669018/06 EN Introduction 9 2 Safety – Read this technical file through to familiarize yourself with the product. – This technical file is a part of the product. – Read and observe the safety instructions provided in this chapter. – Read and observe the warnings in this technical file in order to avoid func- tion-related dangers. – The product is manufactured on the basis of state-of-the-art technology. Nevertheless, risks to life and limb for the user or impairment of the product and other material assets due to the function may arise in the event of im- proper use. 2.1 Appropriate use ETOS® IM is used to record and monitor a transformer's different measured val- ues. The product is designed solely for use in electrical energy systems and fa- cilities. Bushing monitoring The optional bushing monitoring function is used to monitor capacitance- graded bushings on power transformers in the Um = 123...420 kV voltage levels (voltage levels up to 765 kV on request). You can use this function to detect breakdowns at partial capacitances in the bushing and to monitoring aging in the bushings. If used as intended, in compliance with the requirements and conditions speci- fied in this technical file and observing the warning notices in this technical file and attached to the product, the product does not pose a risk of injury or dam- age to property or the environment. This applies throughout the service life of the product, from delivery, installation and operation to removal and disposal. The following is considered appropriate use: – Operate the product in accordance with this technical file, the agreed-upon delivery conditions and the technical data. – Ensure that all necessary work is performed by qualified personnel only. – Only use the equipment and special tools included in the scope of delivery for the intended purpose and in accordance with the specifications of this technical file. – Only operate the product in industrial areas. Observe the notices in this tech- nical file regarding electromagnetic compatibility and the technical data. – Bushing monitoring (optional) – Use the product only with the bushings specified in the order. – Use the product only for high-voltage bushings of a power transformer subject to similar installation conditions and thermal loads. – Use the product only for bushings of the same type (manufacturer, series, technology, model year) – Use the product only for bushings that were not previously damaged. 10 Safety 8669018/06 EN 2.2 Inappropriate use Use is considered to be inappropriate if the product is used other than as de- scribed in the Appropriate use section. In addition, observe the following: – The product is not suited for extending the permitted service life of the bush- ing specified by the bushing manufacturer. – The product is not a protective device. Do not use it to handle safety-related functions. – Risk of explosion and fire from highly flammable or explosive gases, vapors, or dusts. Do not operate the product in areas at risk of explosion. – The product is not intended for use in environments subject to strong corro- sion effects. – Unauthorized or inappropriate changes to the product may lead to personal injury, material damage and operational faults. Only modify the product after consultation with Maschinenfabrik Reinhausen GmbH. – Do not connect the product components to measurement systems from other manufacturers, because this can lead to bushing monitoring errors. 2.3 Fundamental safety instructions To prevent accidents, malfunctions and damage as well as unacceptable ad- verse effects on the environment, those responsible for transport, installation, operation, maintenance and disposal of the product or parts of the product must ensure the following: Personal protective equipment Loosely worn or unsuitable clothing increases the danger of becoming trapped or caught up in rotating parts and the danger of getting caught on protruding parts. This poses a danger to life and limb. – Wear appropriate personal protective equipment such as a helmet, work gloves, etc. for the respective activity. – Never wear damaged personal protective equipment. – Never wear rings, necklaces, or other jewelry. – If you have long hair, wear a hairnet. Work area Untidy and poorly lit work areas can lead to accidents. – Keep the work area clean and tidy. – Make sure that the work area is well lit. – Observe the applicable laws for accident prevention in the relevant country. Working during operation The product may only be operated in a sound, operational condition. Otherwise it poses a danger to life and limb. – Regularly check the operational reliability of safety equipment. – Comply with the inspection work, maintenance work and maintenance inter- vals described in this technical file. 8669018/06 EN Safety 11 Invisible laser radiation Looking directly into the beam or the reflected beam can cause eye damage. The beam is emitted at the optical connections or at the end of the fiber-optic cables connected to them on the assemblies. Read the chapter "Technical Data" [►Section 12, Page 333] for further information. – Never look directly into the beam or the reflected beam. – Never look into the beam with the aid of optical instruments such as a mag- nifying glass or a microscope. – In the event that the laser beam strikes your eyes, close your eyes immedi- ately and move your head out of the path of the beam. Working with current transformers Dangerous high voltages may occur when a current transformer is operated with an open secondary circuit. This can lead to injuries and property damage. – Never operate a current transformer with an open secondary circuit; short- circuit the current transformer to prevent this. – Observe the information in the current transformer operating instructions. Handling electrical components Electrical components can be damaged by electrostatic discharge. – Never touch electrical components during commissioning, operation or maintenance work. – Take suitable measures (such as covers) to ensure that personnel cannot touch components. – Wear suitable personal protective equipment. Explosion protection Highly flammable or explosive gases, vapors and dusts can cause serious explo- sions and fire. – Do not install or operate the product in areas where a risk of explosion is present. Safety markings Warning signs and safety information plates are safety markings on the prod- uct. They are an important aspect of the safety concept. – Observe all safety markings on the product. – Make sure all safety markings on the product remain intact and legible. – Replace safety markings that are damaged or missing. Ambient conditions To ensure reliable and safe operation, the product must only be operated under the ambient conditions specified in the technical data. – Observe the specified operating conditions and requirements for the installa- tion location. Modifications and conversions Unauthorized or inappropriate changes to the product may lead to personal in- jury, material damage and operational faults. – Only modify the product after consultation with Maschinenfabrik Reinhausen GmbH. Spare parts Spare parts not approved by Maschinenfabrik Reinhausen GmbH may lead to physical injury, damage to the product and malfunctions. – Only use spare parts that have been approved by Maschinenfabrik Rein- hausen GmbH. – Contact Maschinenfabrik Reinhausen GmbH. 12 Safety 8669018/06 EN 2.4 Personnel qualification The person responsible for assembly, commissioning, operation, maintenance and inspection must ensure that the personnel are sufficiently qualified. Electrically skilled person The electrically skilled person has a technical qualification and therefore has the required knowledge and experience, and is also conversant with the applicable standards and regulations. The electrically skilled person is also proficient in the following: – Can identify potential dangers independently and is able to avoid them. – Is able to perform work on electrical systems. – Is specially trained for the working environment in which (s)he works. – Must satisfy the requirements of the applicable statutory regulations for acci- dent prevention. Electrically trained persons An electrically trained person receives instruction and guidance from an electri- cally skilled person in relation to the tasks undertaken and the potential dangers in the event of inappropriate handling as well as the protective devices and safety measures. The electrically trained person works exclusively under the guidance and supervision of an electrically skilled person. Operator The operator uses and operates the product in line with this technical file. The operating company provides the operator with instruction and training on the specific tasks and the associated potential dangers arising from improper han- dling. Technical Service We strongly recommend having maintenance, repairs and retrofitting carried out by our Technical Service department. This ensures that all work is per- formed correctly. If maintenance is not carried out by our Technical Service de- partment, please ensure that the personnel who carry out the maintenance are trained and authorized by Maschinenfabrik Reinhausen GmbH to carry out the work. Authorized personnel Authorized personnel are trained by Maschinenfabrik Reinhausen GmbH to carry out special maintenance. 2.5 Personal protective equipment Personal protective equipment must be worn during work to minimize risks to health. – Always wear the personal protective equipment required for the job at hand. – Never wear damaged personal protective equipment. – Observe information about personal protective equipment provided in the work area. 8669018/06 EN Safety 13 Protective clothing Close-fitting work clothing with a low tearing strength, with tight sleeves and with no protruding parts. It mainly serves to protect the wearer against being caught by moving machine parts. Safety shoes To protect against falling heavy objects and slipping on slip- pery surfaces. Safety glasses To protect the eyes from flying parts and splashing liquids. Visor To protect the face from flying parts and splashing liquids or other dangerous substances. Hard hat To protect against falling and flying parts and materials. Hearing protection To protect against hearing damage. Protective gloves To protect against mechanical, thermal, and electrical haz- ards. Table 3: Personal protective equipment 14 Safety 8669018/06 EN 3 IT security Observe the following recommendations to operate the product safely. 3.1 General – Ensure that only authorized personnel have access to the device. – Only use the device within an ESP (electronic security perimeter). Do not connect the device to the Internet in an unprotected state. Use mechanisms for vertical and horizontal network segmentation and security gateways (fire- walls) at the transition points. – Ensure that the device is only operated by trained personnel who are familiar with IT security. – Check regularly whether software updates are available for the device and perform the updates. 3.2 Commissioning Observe the following recommendations for device commissioning: – User IDs must be unique and assignable. Do not use a "Group account" func- tion or the "Auto login" function. – Activate the "Auto logout [►Section 7.1.2.2, Page 90]" function. – Restrict the rights of the individual user groups as much as is feasible; this helps avoid errors during operations. A user with the "Operator" role, for ex- ample, should only perform operations and should not be able to change any device settings. – Delete or disable the default "admin" user ID. This requires first creating a new user account with the "Administrator" role. You can then use it to delete or disable the default "admin" account. – Deactivate service user access [►Section 7.1.2.3, Page 90]. – Enable SSL/TLS encryption [►Section 7.1.2, Page 88]; access to the device is then only possible using the SSL/TLS protocol. In addition to encrypting communication, this protocol also checks the authenticity of the server. – Use TLS version 1.2 or higher wherever possible. – Integrate the device into a public key infrastructure. Create your own SSL cer- tificates for this if necessary and then import them. – Connect the device to a central log server by using the syslog interface [►Section 7.1.6, Page 97]. – Only use the SNMP function if you can ensure that the communication is protected by external security equipment. – Media converter with managed switch (assembly SW 3-3) [►Section 7.1.22, Page 166]: – Change user account and password. – Disable unnecessary services. 3.3 Operation Observe the following recommendations during device operation: – Change the password at regular intervals. – Export the security log [►Section 7.1.20.1, Page 149] at regular intervals. 8669018/06 EN IT security 15 – Check the log files regularly for unauthorized system access and other secu- rity-related events. – Media converter with managed switch (assembly SW 3-3): Check at regular intervals whether the manufacturer Belden/Hirschmann has released an up- date for the product “EES 25” and, where necessary, perform a firmware up- date. 3.4 Interfaces The device uses the following interfaces for communication: Figure 1: ETH1.1 interface on the OT1205 assembly Interface Protocol Port Description ETH1.1 TCP 21 FTP service access 1) ETH1.1 TCP 80 Web visualization 1) ETH1.1 TCP 443 SSL-protected web visualization ETH1.1 TCP 990 SSL-protected FTP service access ETH1.1 TCP 8080 Web visualization (alternative port) 1) ETH1.1 TCP 8081 SSL-protected web visualization (alternative port) ETH1.1 UDP 67 DHCP server Table 4: Interfaces and open ports of the OT1205 assembly 1) Port is closed if you activate the device's SSL encryption. CPU RUN INIT 9 9 9 COM 1 CAN 1 CAN 2 ERR 2 4 6 0 8 L 1 1 1 E C A 2 4 6 8 H C A TEST 9 PROG COM 2 RUN USB2.0 1 24V DC ETH 1 ETH 2.1 ETH 2.2 + - Figure 2: CPU assembly interfaces 16 IT security 8669018/06 EN Interface Protocol Port Description CAN 1 - - DIO assembly connection CAN 2 - - Communication with other ISM® devices (e.g. parallel operation) COM 1 - - Internal system interface COM 2 - - Serial interface (SCADA) USB - - Import or export of data ETH 1 TCP 80 HTTP for web-based visualization 1 2 ETH 1 TCP 443 HTTPS for web-based visualization 2 ETH 1 TCP 102 IEC 61850 ETH 1 TCP 502 Modbus 3 ETH 1 TCP 20000 DNP3 3 ETH 1 UDP 161 SNMP 4 ETH 2.x TCP 21 FTP 1 (only for MR service) ETH 2.x TCP 80 HTTP for web-based visualization 1 ETH 2.x TCP 443 HTTPS for web-based visualization ETH 2.x TCP 990 FTPS (only for MR service) ETH 2.x TCP 8080 HTTP for web-based visualization 1 ETH 2.x TCP 8081 HTTPS for web-based visualization ETH 2.x UDP 161 SNMP 4 Table 5: Interfaces and open ports of the CPU assembly Figure 3: Assembly SW 3-3 interfaces 1 Port is closed if you activate the device's SSL encryption. 2 Depending on the setting of the parameter Visualization release [►Page 92]. 3 Default setting; if you have modified the port for the control system protocol, only the set port is open. 4 Depending on the setting of the SNMP agent parameter. 8669018/06 EN IT security 17 Interface Protocol Port Description ETH 2.3, TCP 22 SSH 5 ETH 2.4 23 Telnet 5 80 HTTP for web-based visualization 5 443 HTTPS for web-based visualization 5 UDP 161 SNMP 5 Table 6: Interfaces and open ports of the SW 3-3 assembly 3.5 Encryption standards The device supports the following TLS versions: – TLS 1.0 – TLS 1.1 – TLS 1.2 – TLS 1.3 The device uses the following cipher suites for a TLS-secured connection: Cipher suite TLS version [►Page 93] >=1.0 >=1.1 >=1.2 >=1.3 TLS_AKE_WITH_AES_128_GCM_SHA256 TLS_AKE_WITH_AES_256_GCM_SHA384 TLS_DHE_RSA_WITH_AES_128_CBC_SHA - - TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 - TLS_DHE_RSA_WITH_AES_128_CCM - - TLS_DHE_RSA_WITH_AES_128_CCM_8 - - TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 - TLS_DHE_RSA_WITH_AES_256_CBC_SHA - - TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 - TLS_DHE_RSA_WITH_AES_256_CCM - - TLS_DHE_RSA_WITH_AES_256_CCM_8 - - TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 - TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 - - TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 - - TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 - - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA - - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 - TLS_ECDHE_ECDSA_WITH_AES_128_CCM - - TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 - - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 - - 5 Port is closed if the corresponding service is disabled. 18 IT security 8669018/06 EN Cipher suite TLS version [►Page 93] >=1.0 >=1.1 >=1.2 >=1.3 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA - - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 - TLS_ECDHE_ECDSA_WITH_AES_256_CCM - - TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 - - TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 - TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 - - TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 - - TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 - - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA - - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 - TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA - - TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 - - - TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 - TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 - - - TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 - - - TLS_RSA_WITH_AES_128_CBC_SHA - - TLS_RSA_WITH_AES_128_CBC_SHA256 - - TLS_RSA_WITH_AES_128_CCM - - TLS_RSA_WITH_AES_128_CCM_8 - - TLS_RSA_WITH_AES_128_GCM_SHA256 - - TLS_RSA_WITH_AES_256_CBC_SHA - - TLS_RSA_WITH_AES_256_CBC_SHA256 - - TLS_RSA_WITH_AES_256_CCM - - TLS_RSA_WITH_AES_256_CCM_8 - - TLS_RSA_WITH_AES_256_GCM_SHA384 - - TLS_RSA_WITH_ARIA_128_GCM_SHA256 - - TLS_RSA_WITH_ARIA_256_GCM_SHA384 - - TLS_RSA_WITH_IDEA_CBC_SHA - - - TLS_RSA_WITH_IDEA_CBC_SHA - - - Table 7: Cipher suite ( = available, - = not available) 8669018/06 EN IT security 19 The device uses the SHA256 hash function to save passwords. The SW 3-3 assembly supports the following TLS version: – TLS 1.2 The assembly uses the following cipher suites for a TLS-secured connection: Key exchange Authentication Encryption Key length Operating Hash function mode TLS ECDHE RSA WITH AES 128 GCM SHA265 DHE CBC SHA Table 8: Cipher suite The device uses the following encryption standards in accordance with techni- cal directive TR-02102-4 from Germany's Federal Office for Information Secu- rity: – Key agreement: – diffie-hellman-group1-sha1 – diffie-hellman-group14-sha1 – diffie-hellman-group16-sha512 – diffie-hellman-group18-sha512 – diffie-hellman-group-exchange-sha256 – ecdh-sha2-nistp256 – Server authentication: – ssh-rsa – rsa-sha2-512 – rsa-sha2-256 – Encryption algorithms: – aes128-ctr – [email protected] – [email protected] – MAC protection: – hmac-sha1 – hmac-sha2-256 – [email protected] – [email protected] – Compression: – None – [email protected] – Zlib Also refer to 2 TLS version [► 93] 20 IT security 8669018/06 EN 4 Product description 4.1 Scope of delivery The following items are included in the scope of delivery: – ETOS® IM – Terminating resistor for CAN bus (optional) – Technical files – Additional nameplate – With the bushing monitoring option, for each bushing to be monitored (3 or 6): – Bushing adapter – Connection cable for the bushing adapter and bushing coupling unit – Bushing coupling unit – Set of fasteners for the bushing coupling unit – Connection cable for the bushing coupling unit and ISM® control cabinet Please note the following: – Check the shipment for completeness on the basis of the shipping docu- ments. – Store the parts in a dry place until installation. 4.2 Function description The device is used to record the measured values and status data of a power transformer and an on-load tap-changer and to make them available using a web-based visualization. In addition to this, the parameters can be changed via the visualization. You can set the required parameters for a regulation function depending on device configuration. The device can be incorporated into a con- trol system (SCADA). SCADA Signals Visualization via web browser ISM® Figure 4: Function description 8669018/06 EN Product description 21 4.2.1 Bushing monitoring The optional bushing monitoring function is used to monitor capacitance graded bushings on power transformers. You can use the function to detect breakdowns at partial capacitances in the bushings and to monitor aging in the bushings. In order to evaluate the state of the bushing, the bushings are equipped with a measuring device with which the system can continuously determine the change in capacitance ΔC1 and the change in dissipation factor Δtanδ of the bushings during operation. In addition, the system records the voltage of the 3- phase reference system. The monitoring system takes advantage of the implemented algorithms to largely compensate for voltage fluctuations and temperature fluctuations in the 3-phase system, thereby ensuring reliable monitoring for the bushings. Figure 5: Operating principle 4.2.2 Power regulation (optional) If your device is equipped with the optional power regulation function, you can regulate the active power or reactive power of a transformer with on-load tap- changer. The device measures the active power or reactive power and com- pares it to the desired value set. The difference between the measured value and the desired value is the control deviation. If the control deviation is greater than the set bandwidth, the device triggers a tap-change operation. Note the following function limitations if your device is equipped with the power regulation function: – Parallel operation is only possible with the tap synchronization method for both the voltage regulation and for the power regulation. – The line drop compensation only has an effect on the voltage regulation. – The "Active power-dependent adjustment of desired voltage value" (TDSC) function only has an effect on the voltage regulation. 22 Product description 8669018/06 EN 4.3 Performance features Depending on your order, the device is equipped with the following optional function packages: – Basic monitoring – Voltage, current, frequency – Active power, reactive power, apparent power, power factor – Temperature monitoring (ambient temperature, temperature of top-oil, temperature of bottom oil (optional), calculation of hot-spot temperature in accordance with IEC 60076-7 or IEEE C57.91) – Optional: Transformer oil level – Loss-of-life and relative aging rate – Motor-drive unit status (motor protective switch, motor is running) – Tap position display – Optional: Status of protective devices (Buchholz relay, protective relay, pressure relief device) – On-load tap-changer monitoring – Contact wear calculation (only for OILTAP® V, M, R, RM, MS, G) – Maintenance interval calculation – Oil carbonization (only for OILTAP® V, M, R) – Monitoring of OLTC temperature (optional) – Tap-change statistics of on-load tap-changer – Optional: on-load tap-changer oil level – Optional: oil filter unit – Motor-drive unit status (motor protective switch, motor is running) – Optional: Motor Current Index – Automatic voltage regulation AVR basic – Measurement of voltage and current – 1 desired value – Voltage regulation with linear delay time T1 – Motor-drive unit status (motor protective switch, motor is running) – Automatic voltage regulation AVR pro – Measurement of voltage and current – Desired value in accordance with order (1, 3 or 5 desired values, TDSC, analog desired value specification, incremental desired value specification, desired value via BCD) – Automatic voltage regulation with linear or integral delay time T1 and with delay time T2 – Parallel operation – Line drop compensation – Motor-drive unit status (motor protective switch, motor is running) – Bandwidth monitoring – Function monitoring – Limit value monitoring (voltage, current, power, phase angle) – Cooling system control – 2, 4 or 6 cooling stages, can be individually parameterized – Load-dependent mode (for early activation of cooling stages) – Periodic mode (for regular activation of cooling stages) – Alternating mode (for equal loading of similar cooling stages) – Cooling stage monitoring (2, 4 or 6 cooling stages) – DGA – Up to 10 gases – Relative moisture in oil – Monitoring of the absolute values and rates of increase – Optional: Rogers, Duval, Dörnenburg and IEC 60599 analyses – MR sensor bus – Calculation of the transformer overload capability (emergency operation) 8669018/06 EN Product description 23 – Bushing monitoring – Monitoring of oil-impregnated paper bushings (OIP) and resin-impreg- nated paper bushings (RIP) at voltage levels of Um = 123...420 kV (with voltage levels up to 765 kV on request) – Optional: Monitoring of 6 bushings, where 3 bushings each form one set (field 1 and field 2) – Online monitoring of the bushing by means of capacitance measurement and dissipation factor measurement – Monitoring the change in capacitance C1 – Monitoring the change in the dissipation factor tanδ – 3-phase reference system (e.g. voltage transformer) – Compensation for temperature fluctuations – Compensation for the effects of weather – Compensation for voltage fluctuations – Compensation for grid asymmetry 4.4 Design Depending on the order, the device is either designed as a 19-inch plug-in hous- ing or supplied as individual components for assembly on a cap rail. Figure 6: 19-inch plug-in housing Figure 7: Individual components for assembly on a cap rail 24 Product description 8669018/06 EN 4.4.1 Power supply OT1205 The OT1205 assembly contains the power supply unit for powering the device. Depending on configuration, the device is equipped with one of the following power supply unit variants: – Multi-voltage mains unit 85...265 V AC/V DC – DC voltage power supply unit 20...70 V DC 4.4.2 Power supply QS3.241 The PULS DIMENSION QS3.241 assembly supplies power to the ISM® assem- blies. Figure 8: PULS DIMENSION QS3.241 assembly 4.4.3 CPU (central processing unit) I The CPU I assembly is the central processing unit for the device. It contains the following interfaces: – Internal system interface RS232 (COM1) – Serial interface RS232/485 (COM2) – 3x Ethernet (ETH1, ETH 2.1, ETH 2.2) – USB (USB 2.0) – 2x CAN bus (CAN 1, CAN 2) CPU RUN INIT 9 9 9 COM 1 CAN 1 CAN 2 ERR 2 4 6 0 8 L 1 1 1 E C A 2 4 6 8 H C A TEST 9 PROG COM 2 RUN USB2.0 1 24V DC ETH 1 ETH 2.1 ETH 2.2 + - Figure 9: CPU I assembly 8669018/06 EN Product description 25 4.4.4 UI 1 and UI 3 The UI 1 assembly is used for measuring 1-phase voltage and current. Figure 10: UI 1 assembly The UI 3 assembly is used for measuring 3-phase voltage and current. Figure 11: UI 3 assembly Warning of a danger point. Read the information given in the product operating instructions. Warning of dangerous electrical voltage. This assembly is protected via double insulation or reinforced insulation. Table 9: Safety-relevant symbols on the assembly 4.4.5 DIO 28-15 and DIO 42-20 The assemblies DIO 28-15 and DIO 42-20 (HL) provide you with a number of digital inputs and outputs that differs based on the version: – DIO 28-15: 28 inputs, 15 outputs (6 N/O contacts, 9 change-over contacts) – DIO 42-20 (HL): 42 inputs, 20 outputs (8 N/O contacts, 12 change-over con- tacts) 26 Product description 8669018/06 EN Figure 12: DIO 42-20 assembly Warning of a danger point. Read the information given in the product operating instructions. Warning of dangerous electrical voltage. Table 10: Safety-relevant symbols on the assembly 4.4.6 AIO 2 analog inputs and outputs The AIO 2 assembly provides 2 channels for analog inputs and outputs. In accordance with the device configuration, the AIO assembly supports one of the following signal types: Input Output Voltage Current Voltage Current 0 to 10 V 0...20 mA 0 to 10 V 0...20 mA 4...20 mA 4...20 mA Resistance measurement (e.g. PT100, resistor contact series) Table 11: Signal types supported by the AIO assembly Figure 13: AIO 2 assembly 8669018/06 EN Product description 27 4.4.7 System networking MC 2-2 The MC 2-2 assembly is a media converter, which converts 2 electrical connec- tions (RJ45) to one fiber-optic cable connection each. Each is converted inde- pendently of the other. The following interfaces are available: – 2x RJ45 (ETH12, ETH22) – 2x Duplex-LC (SFP module) (ETH11, ETH21) The media converter is designed to be transparent for the network and i does not have its own IP address. Figure 14: MC 2-2 assembly 4.4.8 System networking SW 3-3 The assembly SW 3-3 is a media converter with managed switch. It combines two independent functions and provides you with the following interfaces: – A media converter converts an electric connection (RJ45) into a fiber-optic cable connection – RJ45 (ETH12) – Duplex-LC (SFP module) (ETH11) – Managed switch with redundancy function (PRP or RSTP) – 2x RJ45 (ETH23, ETH24), device-internal connection – 2x Duplex-LC (SFP module) (ETH21, ETH22), redundancy connection The following redundancy functions are available to you according to your or- der: – PRP (standard setting) – RSTP 28 Product description 8669018/06 EN Figure 15: SW 3-3 assembly 4.4.9 Voltage measurement The UI 5-3 assembly is used for measuring 3-phase voltage. Figure 16: UI 5-3 assembly 8669018/06 EN Product description 29 4.4.10 System networking BEM1/BES1 The assemblies BEM 1 (master) and BES 1 (slave) are bus extension modules which are used to extend the system by one additional busbar with additional assemblies. Data is transmitted via fiber-optic cable. The assembly BES 1 has a connection for supplying voltage to the additional busbar. Figure 17: Assemblies BEM 1 and BES 1 4.4.11 Bushing adapter and bushing coupling unit The bushing adapter is used to pick up the measured voltage at the bushing test tap. The downstream bushing coupling unit is used to adjust the measured voltage. Both components are tuned to the bushings to be monitored in accor- dance with your order. They may be used only for those bushings. The following components are used: – Bushing adapter A001...A010 [►Section 12.10.1, Page 344] – Bushing coupling unit C002 30 Product description 8669018/06 EN 4.5 Main screen The web-based visualization is split into various areas. Figure 18: Main screen 1 Display area 2 Secondary navigation 3 Primary navigation 4 Status bar The most important measured values of the transformer are displayed on the main screen. The individual status displays of the transformer shown can be se- lected directly when accessing them via the web browser. They act as links to the corresponding menu items. If you are operating the device via the front panel, you are only able to call up the elements via the Information menu. If the device does not have one of the optional functions, this will be indi- i cated in the main screen via a small padlock. Depending on the device configuration, the main screen displays the schematic representation of a transformer for network applications or a transformer for in- dustrial applications. 8669018/06 EN Product description 31 4.5.1 Transformer for network applications Figure 19: Transformer data 1 DGA (status) 2 Top-oil temperature 3 Hot-spot temperature 4 Cooling system (status) 5 Load current and load voltage of 6 Transformer name phases L1, L2, L3 For three-winding transformer or HV/ LV regulation: Measured values of the regulated winding Figure 20: Apparent power, oil level and ambient temperature 1 Asset Intelligence 2 Total apparent power For three-winding transformer or HV/ LV regulation: Measured value of the regulated winding 3 Ambient temperature 4 Oil level (transformer on left, on-load tap-changer on right) 32 Product description 8669018/06 EN Figure 21: On-load tap-changer and motor-drive unit 1 OLTC oil temperature 2 Current tap position, status of the motor-drive unit Current total tap position ABC with multi-column use (optional) 3 Voltage regulator 4 Tap-change operation statistics, VAM 5 OLTC status message (collective 6 Oil filter unit status message message) 4.5.2 Transformer for industrial applications Figure 22: Transformer data 1 DGA (status) 2 Top-oil temperature 3 Hot-spot temperature 4 Cooling system (status) 5 Load current an load voltage of the 6 Transformer name phases L1, L2, L3 (high-voltage side) 8669018/06 EN Product description 33 Figure 23: Apparent power, oil level, and ambient temperature 1 Asset intelligence 2 Total apparent power 3 Ambient temperature 4 Oil level (transformer on left, on-load tap-changer on right) Figure 24: On-load tap-changer and motor-drive unit 1 OLTC oil temperature 2 Current tap position 3 Voltage regulator 4 Tap-change operation statistics 5 OLTC status message (collective message) 34 Product description 8669018/06 EN 4.6 Additional display elements and operating controls If you are using the device with the optionally available MControl touch panel, additional operating controls and display elements are displayed on the left edge of the screen. Depending on the device configuration, a variety of keys are available. Figure 25: Additional display elements and operating controls Status LED status Status display 6 REMOTE key Select the operating mode: – On: REMOTE – Off: LOCAL 7 AVR AUTO key Activate auto mode. 7 RAISE key Send a control command to the motor-drive unit to increase the voltage. Only possible in manual mode. 7 AVR Manual key Activate manual mode. 7 LOWER key Send a control command to the motor-drive unit to reduce the voltage. Only possible in manual mode. 8 RAISE MDU key Send a control command to the motor-drive unit to raise the tap position. Only possible in remote mode. LED lights up as long as a signal is present at in- put I: Raise. 8 LOWER MDU key Send a control command to the motor-drive unit to lower the tap position. Only possible in re- mote mode. LED lights up as long as a signal is present at in- put I: Lower. 6 Not available if local/remote is toggled using a digital input. 7 Only available if the device is equipped with the "On-load tap-changer control" option. 8 Only available if the device is equipped with the "motor-drive unit" (ED or TD single-column) option. 8669018/06 EN Product description 35 4.7 Operating concept You can operate the device using the controls on the front panel or using the web-based ISM™ Intuitive Control Interface visualization on a PC. The scope of function and structure of both options is virtually identical. User rights and user roles The device is equipped with a rights system and a roles system. The display and access rights to device settings or events can therefore be controlled at the user level. You can configure the rights system and roles system to meet your require- ments. You will find more information on user rights in the User administration [►Section 7.1.17, Page 142] section. You can only modify the device settings or parameters if you have the nec- i essary user rights. Logging on, logging off and changing users The control of access rights to device settings and parameters is user-based. Various users can log in at the same time (e.g. via the visualization) and access the device. If you want to operate the device via the controls and visualization at the i same time, you have to log in on the device and via the visualization. 1. Select the LOGIN or CHANGE button in the status line. 2. Enter your user name and password and select the OK button. The name of the logged-in user appears in the status line. To log out as a user, proceed as follows: Press the LOGOUT button in the status line. Navigation If you are operating the device using the controls on the front panel, you can use the rotary knob to navigate through the entire menu. The menu currently selected has a blue border. To open the highlighted menu, you have to press the key. Pressing the key returns you to the previous menu level. If you are operating the device using the web-based visualization, you can navi- gate by clicking on the appropriate buttons. Example 1. Go to Settings. 2. Go to Parameters. 3. Go to System. 4. Go to Time synchronization. 5. Select Time. In these operating instructions, the path for navigating to a parameter is always shown in an abridged form: Go to Settings > Parameters > System > Time syn- chronization. 36 Product description 8669018/06 EN Setting parameters There are various ways to configure the settings, depending on the parameter. Selecting from a list To select a list entry, proceed as follows: 1. Use the rotary knob to navigate to the list and press the key. Figure 26: Select an entry from a list 2. Use the rotary knob to highlight the list entry and press the key. 3. Press the Accept button to save the modified parameter. Entering a value To enter a value, proceed as follows: 1. Use the rotary knob to select the value field and press the key. If operating via the front panel, the numerical keypad appears. Figure 27: Entering a value 2. Enter the desired value and confirm with. 3. Press the Accept button to save the modified parameter. 8669018/06 EN Product description 37 Entering text 1. Use the rotary knob to select the text box and press the key. If operating via the front panel, the keyboard appears. Figure 28: Entering text 2. Enter the desired text and confirm with. 3. Press the Accept button to save the modified parameter. Parameter search You can use the quick search function in the parameter menu to search for a parameter. Enter the name of the desired parameter in the Search entry field. Figure 29: Quick search 38 Product description 8669018/06 EN Expert mode The device has an expert mode for entering the parameters. You can enter the parameters directly on the overview screen of the respective menu in this mode. Figure 30: Expert mode 1. Go to Settings > Parameters. 2. Select the Expert mode checkbox. Expert mode is active. Hiding/showing parameters Depending on how you set the parameters, the device will hide or show addi- tional parameters related to this function. 8669018/06 EN Product description 39 5 Mounting This chapter describes how to correctly mount and connect the device. Observe the connection diagrams provided. DANGER Electric shock! Risk of fatal injury due to electrical voltage. Always observe the following safety regulations when working in or on electrical equipment. Disconnect the equipment. Lock the equipment to prevent an unintentional restart. Make sure all poles are de-energized. Ground and short-circuit. Cover or cordon off adjacent energized parts. WARNING Electric shock! Dangerous high voltages may occur when a current transformer is operated with an open secondary circuit. This can lead to death, injuries and property damage. Never operate a current transformer with an open secondary circuit; short-

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