Allen-Bradley 1746-IB16 SLC 500 16-Point 24V DC Input Module

Allen-Bradley 1746-IB16 SLC 500 16-Point 24V DC Digital Input Module

Availability: 2 left in stock

DescriptionThe Allen-Bradley 1746-IB16 is a high-density discrete input module engineered for the SLC 500 programmable controller platform. It provides sixteen...

SKU: 1746-IB16

Manufacturer: Allen-Bradley
Product No.: 1746-IB16
Product Type: Digital Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 280g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Allen-Bradley 1746-IB16 is a high-density discrete input module engineered for the SLC 500 programmable controller platform. It provides sixteen (16) current-sinking input channels, operating at a nominal 24V DC. This module is designed to interface a wide range of field devices, including proximity sensors, limit switches, and photoelectric sensors, into a single-slot footprint within an SLC 500 chassis.

Features

Sixteen (16) current-sinking input channels for high-density I/O configurations.
Nominal operating voltage of 24V DC with an operating range of 10–30V DC.
Low power consumption, drawing only 50 mA from the 5V DC backplane.
Integrated input filtering with an 8 ms signal delay for both ON and OFF transitions to mitigate electrical noise and contact bounce.
Includes a removable terminal block for simplified wiring and maintenance.

Applications

The 1746-IB16 is widely used in industrial automation environments requiring high-density digital input monitoring. Typical applications include machine control, process monitoring, and assembly line automation where multiple DC-powered sensors must be integrated into a single SLC 500 rack.

Technical Specifications

Brand	Allen-Bradley
Product Line	SLC 500
Module Type	Digital DC Input Module
Number of Inputs	16 (Current Sinking)
Voltage Category	24V DC
Operating Voltage Range	10–30V DC
Signal Delay (ON/OFF)	8 ms
Backplane Current (5V DC)	0.05 A
Total Heat Dissipation	3.6 W
Operating Temperature	0 to 60 degC (32 to 140 degF)

Installation Guidelines

Ensure the SLC 500 chassis power is disconnected before installing or removing the module.
Align the module with the chassis guide rails and seat it firmly into the backplane connector.
Secure the module using the top and bottom retaining screws to ensure proper grounding and mechanical stability.
Use shielded cabling for input signals to minimize EMI, especially in high-noise industrial environments.
Ensure that the input voltage does not exceed the 10–30V DC range to prevent damage to the input circuitry.
Maintain adequate ventilation around the chassis to ensure heat dissipation remains within specified limits.

FAQ

What is the input type for the 1746-IB16?

The 1746-IB16 is a current-sinking input module, meaning it requires the field device to switch the positive voltage to the input terminal.

Does this module include the terminal block?

Yes, the 1746-IB16 comes with a removable terminal block to facilitate easier field wiring and module replacement.

What is the signal delay for this module?

The module features a hardware-based signal delay of 8 ms for both ON and OFF transitions to help filter out mechanical switch chatter and electrical noise.

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