SCADA Operational Excellence Quiz
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SCADA Operational Excellence Quiz

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Questions and Answers

What is used to perform tank to tank transfers?

  • The operator station in the control room (correct)
  • Only manual operation in the HMI
  • Hybrid tanks and the bypass valve of P01 pumps (correct)
  • Only remote operation via mobile devices

    • Which pump is used when both land and marine operations are available?

  • Only the Land pump
  • Both Land and Marine pumps (correct)
  • A different pump not mentioned
  • Only the Marine pump

    • In the circulation function setup, what type of tanks is primarily used?

  • Hybrid tanks
  • Partially automated tanks
  • Open-top tanks
  • Fully automated tanks (correct)

    • Which function can only be executed for tank B110-01?

    <p>Vessel to Tank/ Railcar function</p> Signup and view all the answers

    What happens to the complete functionality when an alarm is triggered on the tank?

    <p>The entire functionality shuts down</p> Signup and view all the answers

    How must the Vessel to Tank function be initiated?

    <p>By selecting the Tank functionality first</p> Signup and view all the answers

    Which document should be referred to for the functionality of purging to tank?

    <p>FDS 4.9</p> Signup and view all the answers

    What is the primary function selected on the tank during the Vessel to Tank operation?

    <p>Vessel to Tank functionality</p> Signup and view all the answers

    What initial action must the Control Room Operator take before the Operator commands the function in the field?

    <p>Remove the XV5* actuator from the designated spot and tank.</p> Signup and view all the answers

    What should the Railcar Operator do after confirming that the correct line up is ready?

    <p>Start a Railcar to Tank function for the designated tank.</p> Signup and view all the answers

    What choices does the Railcar Operator have when unloading the railcar?

    <p>Unload by batch or empty the railcar entirely.</p> Signup and view all the answers

    In case the Railcar Operator is unable to perform the automated function, what must the Control Room Operator do?

    <p>Verbally confirm their responsibility and receive confirmation from the Railcar Operator.</p> Signup and view all the answers

    What happens after the Batch limit is reached or the railcar is empty?

    <p>The Railcar Operator must initiate the checklist for unloading.</p> Signup and view all the answers

    Which system condition is created by removing the XV5* actuator?

    <p>The system acts as though no actuator is installed, closing the tank actuators.</p> Signup and view all the answers

    What must the Railcar Operator confirm with the Lead Operator before proceeding with the unloading?

    <p>That the correct line up is ready.</p> Signup and view all the answers

    During the unloading process, what action should the Operator be prepared to take if there is no destination actuator available?

    <p>Standby to close the ball valve.</p> Signup and view all the answers

    What is the primary tool used by a Truck Operator to command the function in the truck loading bay?

    <p>HMI on the designated truck rack</p> Signup and view all the answers

    Which of the following determines the transferred weight during the loading and unloading process?

    <p>Weighbridge</p> Signup and view all the answers

    What should the Truck Operator do before starting the Tank to Truck function?

    <p>Confirm with Lead Operator that the correct line up is ready</p> Signup and view all the answers

    In an automated unloading scenario, what action does the Truck Operator take when the truck is empty?

    <p>End the function and begin the after unloading checklist</p> Signup and view all the answers

    What feature allows the Truck Operator to manage unloading when there are two types of pumps available?

    <p>Land Bypass Valve (XV08)</p> Signup and view all the answers

    What step follows after the Truck Operator completes the truck un-loading checklist?

    <p>Begin unloading with automated functions</p> Signup and view all the answers

    How can the Control Room Operator take responsibility during the automated function?

    <p>By verbally confirming responsibility and getting acknowledgment from the Truck Operator</p> Signup and view all the answers

    What is a Truck Operator allowed to choose when unloading?

    <p>To unload by batch or emptying</p> Signup and view all the answers

    What must be selected before the Vessel to Railcar function can be started?

    <p>Vessel to Tank/Railcar function</p> Signup and view all the answers

    Who is responsible for starting the Vessel to Railcar function in the field?

    <p>Railcar Operator</p> Signup and view all the answers

    What action must the Control Room Operator take for the tank to enter the 'Cleaning' state?

    <p>Set the tank status to 'Cleaning'</p> Signup and view all the answers

    What is required to command the cleaning function on the parameter screen?

    <p>Supervisor Level of Security</p> Signup and view all the answers

    What do alarms from level measurement do when the tank is in the 'Cleaning' state?

    <p>Are ignored or suppressed</p> Signup and view all the answers

    If the Control Room Operator is unavailable, who can be given permission to operate pumps from field HMIs?

    <p>Senior Operator in Special Services</p> Signup and view all the answers

    What must happen before the cleaning function can be started by the Control Room Operator?

    <p>The tank must be set to cleaning status</p> Signup and view all the answers

    What controls the flow during the loading of railcars, as per the content?

    <p>The XV08 actuator</p> Signup and view all the answers

    What best describes the purpose of a Functional Design Specification (FDS)?

    <p>To outline the operational requirements from a user's perspective</p> Signup and view all the answers

    Which of the following statements about the Control Room Operator is accurate?

    <p>They monitor and interact with the SCADA system.</p> Signup and view all the answers

    How are alarms managed according to Alarm Philosophy?

    <p>Alarms must be prioritized and managed effectively.</p> Signup and view all the answers

    What distinguishes a 'Fully Automated' tank system from a 'Non-Automated' system?

    <p>Fully Automated systems include comprehensive controls through SCADA.</p> Signup and view all the answers

    What is the primary function of the Human Machine Interface (HMI)?

    <p>To allow operators to control functions of the system</p> Signup and view all the answers

    In the context of vessel unloading automation, where must the command be initiated?

    <p>At the operator station in the control room</p> Signup and view all the answers

    Which correctly identifies a characteristic of 'Semi-Automated' tank systems?

    <p>They have limited automation with some safety controls.</p> Signup and view all the answers

    What is the typical role of managers and supervisors in relation to SCADA systems?

    <p>They oversee operations and ensure compliance with practices.</p> Signup and view all the answers

    Study Notes

    Operational Excellence & SCADA

    • SCADA philosophy is crucial for seamless operations, effective troubleshooting and informed decision making.
    • Control Engineers, Operators, and Managers/Supervisors need to understand SCADA principles.
    • Alarm Philosophy: How alarms are triggered, categorized, and managed.
    • HMI Style Guide: Principles for intuitive and effective HMI screen design.
    • Control Philosophy: Guidelines for Functional Design Specifications (FDS).

    Definitions

    • Control Room Operator: Trained personnel responsible for SCADA operations.
    • FDS: Document detailing the operational requirements and procedures of a system.
    • Fully Automated: Tanks equipped with actuators, pumps, safety instruments, and SCADA control for all aspects.
    • HMI: Interface between operator and system, used for control.
    • Non-Automated: Tanks only equipped with pump control through SCADA, no safety instruments.
    • Operator: Person in charge of field operations.
    • SCADA: Supervisory Control and Data Acquisition system used for monitoring and control.
    • Semi-Automated: Tanks with actuators, pumps, and some safety instruments controlled by SCADA.

    Vessel Unloading Automation

    General

    • Can be commanded from the control room or field HMI.
    • Uses tank mass for quantity calculations.
    • Selected on the destination tank's function handler.
    • Dock line is chosen on the parameter screen.

    Truck Loading Automation

    General

    • Commanded from either control room or field HMI.
    • Uses weighbridge for weight calculations.
    • Selected on the truck loading bay's function handler.
    • Uses 'Land pump' and bypass valve when two pumps are in operation.

    Truck Unloading Automation

    General

    • Can be controlled from the control room or field HMI.
    • Uses the weighbridge to determine transferred weight.
    • Selected from the truck loading bay's function handler.
    • Land bypass valve (XV08) is used when two pumps are available.

    Railcar Unloading Automation

    General

    • Commandable from the control room or field HMI.
    • Transfer weight is based on the weighbridge.
    • Selected on the truck loading bay's function handler.
    • Land Bypass Valve (XV08) is used when there are two P01 pumps (Land and Marine).

    Tank to Tank Automation

    General

    • Commandable from the control room or field HMI.
    • Uses tank mass to calculate the transferred quantity.
    • Selected on the function handler of the source tank.
    • Uses Marine pump and its bypass valve (XV08).

    Circulation Automation

    General

    • Operable from the control room or field HMI.
    • Selected on the function handler of the tank.
    • Uses Land pump and its bypass valve (XV08).

    Purging to Tank Automation

    General

    • Commandable from the control room or field HMI.
    • Selected from the Tank function handler.

    Vessel to Tank/Railcar Automation

    General

    • Concurrent operation is only available for tank B110-01.
    • Tank function is the primary function and is selected first.
    • Tank function controls both vessel and railcars.
    • Alarm/stop command on the tank shuts down all functions, while a command on the railcar only affects its function.
    • The tank batch can be completed before the railcar batch.

    Cleaning

    General

    • Tank must be set to "Cleaning" status by the control room operator.
    • Alarm from level measurement is suppressed during cleaning.
    • Control room operator is responsible for choosing the tanks to be cleaned.
    • Supervisor level security is required to start cleaning functions.

    Cleaning Procedure

    • Special Services requests cleaning for specifics tanks and actuators.
    • Control Room Operator sets the tank to "Cleaning" status.
    • Control Room Operator initiates the cleaning function.
    • Control Room operator documents and maintains SCADA Equipment Out of Service Checklist.
    • Control Room Operator retains control unless unavailable, then the Senior Operator in Special Services can operate actuators/pumps from field HMIs.
    • Control Room Operator must resume control once available.

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    Description

    Test your knowledge on the SCADA philosophy essential for operational excellence. This quiz covers key principles such as alarm management, HMI design guidelines, and control philosophy that are vital for control engineers and operators. Get ready to enhance your understanding of effective decision-making in SCADA operations.

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