Allen Bradley 1734-IB8S Safety-rated digital DC sinking input module

FAQ

Q1. What is the main function of the 1734-IB8S module?
It is a safety-rated input module used to monitor safety devices such as emergency stops, safety doors, and interlocks.

Q2. How many input channels are available?
The module provides 8 independent safety sinking input channels.

Q3. What voltage does the module operate on?
It operates on 24 V DC with an allowable range of approximately 11–28.8 V DC.

Q4. What makes this module “safety-rated”?
It includes diagnostic features and meets safety standards such as SIL and Category 2/3/4 for critical applications.

Q5. What is the typical response time?
The response time is up to about 16.2 ms, suitable for safety signal processing.

Q6. Does the module include diagnostics?
Yes, it supports test pulse monitoring and fault detection like short-circuit and wiring faults.

Q7. How is the module installed?
It is mounted on a DIN rail and requires a compatible POINT I/O terminal base.

Q8. What are the physical size and weight?
The module measures approximately 36 × 66 × 83 mm and weighs between 0.10 kg and 0.36 kg depending on configuration.

1734-IB8S Allen Bradley

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