Industry 4.0 & IIoT Assignment 1 Quiz

Transducers and Sensors

• Transducers convert one form of energy to another, setting them apart from other devices that do not perform energy transformation.
• Sensor accuracy focuses on the precision of measurements, ensuring reliable data capture from the environment.

Active Sensors

• Active sensors generate their own signal for measurement, differentiating them from passive sensors, which rely on external energy.

Actuators in IIoT

• In Industrial Internet of Things (IIoT) systems, actuators play a crucial role in executing commands by converting control signals into mechanical actions.

Zigbee Technology

• Zigbee technology is popular for its application in low-power, short-range wireless communication, particularly in smart home and industrial automation systems.
• In industrial settings, Zigbee technology facilitates device communication, enabling interoperability and networked control.

Industrial Communication Technologies

• The best-suited technology for industrial communication commonly includes protocols that ensure reliability, real-time data exchange, and network scalability.

Z-Wave Technology

• The main advantage of Z-Wave technology lies in its ability to connect devices over a mesh network, offering low latency and extended range for home automation.

IEEE 802.15.4 in IoT

• IEEE 802.15.4 provides a foundational networking framework for low-rate wireless personal area networks (LR-WPANs), focusing on low power consumption and cost efficiency.

Near Field Communication (NFC)

• NFC devices typically support short-range communication, enabling transfer of data over distances of a few centimeters.

Wireless HART

• The primary reason for using Wireless HART is to enhance communication reliability in process automation, offering robust network performance in challenging environments.

6LoWPAN Networks

• 6LoWPAN networks differ from traditional Ethernet networks by enabling IPv6 packets to be transmitted over low-power wireless networks, optimizing for constrained devices.

MQTT and Quality of Service (QoS)

• In MQTT, QoS 2 represents the highest level of message delivery assurance, ensuring that messages are delivered exactly once to the recipient.

CoAP Protocol

• CoAP operates on a client-server network architecture, facilitating communication between resource-constrained IoT devices using simple methods similar to HTTP.

Compression-Based Actuators

• Actuators that operate based on compression and decompression principles include pneumatic and hydraulic actuators, converting energy into mechanical force.

Infrared Sensors

• Infrared sensors are classified as active sensors, utilizing emitted infrared light to detect temperature changes or movement.

ISA 100.11a Significance

• ISA 100.11a is significant in IIoT for establishing a reliable wireless communication protocol tailored for industrial applications, ensuring safety and efficiency.

Low-Cost, Low-Power Wireless Mesh Networks

• Low-cost, low-power wireless mesh networks are distinguished by their minimal energy consumption, enabling long battery life and maintenance-free operation in remote applications.