Allen-Bradley 1791ES-IB8XOBV4 Safety Combination I/O Module

FAQ

Q1. What is the main function of the 1791ES-IB8XOBV4?
It is a safety I/O module used to monitor safety devices and control safety outputs in EtherNet/IP-based safety systems.

Q2. What network protocol does it use?
It uses EtherNet/IP with CIP Safety for safety-rated communication.

Q3. How many inputs and outputs does it have?
It provides 8 safety inputs, 8 safety outputs, and 4 test outputs.

Q4. What is the purpose of the test outputs?
They generate diagnostic pulses to detect wiring faults such as shorts or cross-circuits in safety input wiring.

Q5. What safety level does it support?
It supports SIL 3 and Category 4 safety applications.

Q6. What voltage does it require?
It operates on a 24 VDC power supply.

Q7. What are its physical size and weight?
It measures about 17.0 × 8.36 × 8.09 cm and weighs approximately 0.62 kg.

Q8. What applications is it used for?
It is commonly used in safety systems such as robotic cells, machine guarding, emergency stop circuits, and interlock systems.

1791ES-IB8XOBV4 Allen Bradley

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