Allen Bradley 1756-IB16D Digital Input Module

The AB 1756-IB16D is a high-accuracy digital input module from the ControlLogix series, offering 16 points of 24V DC sinking inputs with integrated diagnostics. This module is purpose-built for advanced automation systems requiring fault detection, signal monitoring, and robust input performance in demanding environments.

With a voltage range of 10–30V DC and diagnostic capabilities on each input, the 1756-IB16D enhances system visibility and error handling. It fits seamlessly into any ControlLogix chassis via a 36-pin plug-in connection.

Technical Specifications

Model: 1756IB16D
Series: ControlLogix
Module Type: Digital Input Module
Input Type: DC Sinking
Channels: 16
Diagnostics: Per channel diagnostics included
Application: Machine monitoring, safety systems, fault detection automation

Electrical Specifications

Rated Input Voltage: 24V DC
Voltage Range: 10–30V DC
Input Current (Signal 1): 3 mA
Signal Change Delay: 0.34 to 18 ms
Short Circuit Protection: Not applicable
Isolation: Channel-to-backplane and channel-to-channel (as per system design)

Communication & Interfaces

Bus Interface: ControlLogix backplane
Status Indicators: Yes (per input)
Diagnostic Functions: Open circuit detection, signal status monitoring
I/O Connector Type: 36-pin plug-in
Wiring Method: Standard screw-type or compatible terminal blocks

Mechanical Specifications

Width: 38.1 mm
Height: 300 mm
Depth: 111.25 mm
Weight: Approx. 0.25 kg
Mounting: ControlLogix chassis slot
Cooling Method: Passive

Environmental Specifications

Operating Temperature: 0°C to 60°C
Storage Temperature: –40°C to 85°C
Humidity: 5% to 95% RH (non-condensing)
Vibration Resistance: 5 g
Shock Resistance: 30 g
IP Rating: IP20 (when installed in chassis)

Compliance & Certifications

CE Marked: Yes
UL / cUL Listed: Yes
RoHS Compliant: Yes
Standards: IEC 61131-2, EN 61326-1, CSA C22.2 No. 142

Key Features & Benefits

✅ 16 x 24V DC Inputs – High-density input module for scalable systems.

✅ Built-In Diagnostics – Monitor input conditions and detect open circuits.

✅ Signal Flexibility – Accepts a wide range of DC signals from 10–30V.

✅ Compact Design – Space-saving 38.1 mm width for dense I/O layouts.

✅ Chassis Integration – Compatible with all standard ControlLogix backplanes.

📦 Order the Allen Bradley 1756-IB16D from Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable Allen Bradley 1756-IB16D prices. Designed for diagnostic-rich, high-performance input applications, this module is ideal for machine builders and control system integrators alike.

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Diagnostic precision. Input integrity. Rockwell engineered. — Drive Outlet Megastore