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Allen‑Bradley 1746‑IB16 SLC 500 DC-Sink (Sinking/NPN) 16-Point Digital Input Module
Parameter Specification
Make:- Allen-Bradley
Series:- SLC 500
Part No.:- 1746-IB16
Module Type:- DC Sink (Sinking/NPN) Digital Input
Input Points:- 16 Inputs
Nominal Input Voltage:- 24V DC
Input Current:- 7 mA @ 24V DC (typical)
Voltage Range:- 10–30V DC
Isolation:- Group isolation
Indicators:- 16 LED input status indicators
Backplane Current:- 0.085 A @ 5V DC
Wiring:- Removable terminal block
Compatible Chassis:- 1746-A4, A7, A10, A13
Operating Temperature:- 0 to 60°C
Mounting:- SLC 500 Chassis slot
Country Of Origin:- Made In MALAYSIA
Condition:- New Without Box (As Per Photos)
Shipping:- Fast & Safe Worldwide Shipping Available.
| Brand | ALLEN BRADLEY |
|---|---|
| Category | MODULE |
- 16 digital 24V DC sink (NPN) input channels
- Designed for SLC 500 modular PLC chassis
- Compatible with NPN sensors, proximity switches, and push buttons
- High-reliability input filtering for noise immunity in industrial panels
- LED status indicators for each input point
- Backplane powered – no external power for module logic
- Easy wiring with removable terminal block
- Ideal for panel builders, machine automation, and OEM control systems
The Allen-Bradley 1746-IB16 digital input module is a 16-point 24V DC sink (NPN) input card engineered for the SLC 500 PLC platform. It is purpose-built to interface with NPN field devices such as proximity sensors, limit switches, and push buttons commonly used in industrial automation panels.
This module offers dependable signal acquisition with excellent noise filtering, ensuring stable performance in electrically noisy environments like motor control centers and factory floors. Each input point features a dedicated LED indicator for quick diagnostics and maintenance.
Designed to slide seamlessly into any SLC 500 chassis, the 1746-IB16 draws power directly from the backplane, simplifying installation and reducing wiring complexity. It is widely used by panel manufacturers, system integrators, and maintenance teams for reliable DC input monitoring.
