Allen Bradley 1746-IB16 Digital Input Module

Product Introduction

The Allen Bradley 1746-IB16 Digital Input Module is a high-performance PLC interface module designed for SLC 500 series systems. It provides 16 discrete DC input channels for monitoring industrial devices and sensors, enabling precise and reliable digital signal acquisition.

The module supports both sink and source input configurations (10–30 VDC), offering flexibility for a variety of industrial control applications. Its robust design ensures dependable performance under varying environmental conditions, while optical isolation maintains signal integrity and protects the PLC from electrical noise.

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Product Specifications

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Applications

• Digital signal monitoring for sensors, switches, and auxiliary devices in industrial automation

• PLC-based control systems requiring 16 discrete DC inputs

• Integration with SLC 500 PLCs for process automation, material handling, and assembly lines

• High-reliability signal acquisition in manufacturing and industrial applications

• Environmentally tolerant applications with wide operating temperature and humidity ranges

• Distributed control architectures where modular digital input expansion is required

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Advantages

• 16-channel digital input design allows comprehensive monitoring in a single module

• Support for 10–30 VDC sink/source inputs, providing flexible connection to various devices

• Optical isolation, ensuring signal integrity and PLC protection against electrical noise

• Wide operating temperature range (0–60°C) and high storage tolerance (-40–85°C)

• High relative humidity tolerance (up to 95%) for demanding industrial environments

• Direct SLC 500 compatibility, simplifying system integration and expansion

• Compact and lightweight, suitable for control panels and racks

FAQ

1. How many digital inputs does the 1746-IB16 provide?
   The module provides 16 discrete DC input channels.

2. What voltage range do the inputs support?
   Inputs operate within 10–30 VDC, supporting both sink and source load types.

3. Which PLC platforms is this module compatible with?
   It is compatible with Allen Bradley SLC 500 series PLCs.

4. Does the module provide isolation between inputs and the PLC?
   Yes, optical isolation protects the PLC and ensures signal integrity.

5. Can the module handle high-humidity environments?
   Yes, it is rated for up to 95% relative humidity, non-condensing.

6. What is the operating temperature range?
   The module operates reliably between 0°C and 60°C.

7. Can the module handle both sink and source input devices?
   Yes, it supports both sink and source input configurations.

8. Is it suitable for use in distributed control systems?
   Yes, multiple IB16 modules can be used to expand digital input capacity across PLC systems.

9. What type of devices can be connected to the inputs?
   Standard 10–30 VDC sensors, switches, and auxiliary devices.

10. Does it require special wiring for DC inputs?
    No special wiring is required beyond standard DC input connections.

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