Allen-Bradley 1746-ITB16 SLC 500 Fast Input Module

3 min read wayne Science

Product Summary

The 1746-ITB16 is a high-speed discrete input module for the SLC 500 system. It processes rapid switching signals with minimal delay. This module accepts 16 sinking inputs at 24VDC. It features optical coupling for noise reduction and removable terminal blocks for easy maintenance.

Expert Technical Evaluation & Performance Review

This module excels in time-critical automation applications. It delivers a maximum ON signal delay of just 0.3 milliseconds. This fast response captures high-speed events accurately. The OFF state delay is only 0.5 milliseconds. This performance suits applications like encoder reading or high-speed counting.

The module operates within a 10-30 VDC input voltage range. Its nominal input current sits at 8 mA at 24VDC. This low current draw reduces overall system power consumption. The 1746-ITB16 draws only 0.085 A from the 5V backplane. This efficiency leaves power for other chassis modules.

1746-ITB16 Industrial Automation Spare Parts

When paired with an SLC 5/03 or 5/04 processor, it reads pulses up to 1 kHz. Using a gray code encoder increases this capability to 2 kHz. The module uses discrete input interrupt instructions for this task. This feature makes it ideal for precise position monitoring.

The module supports a sink wiring configuration. It has a maximum off-state voltage of 5VDC. The off-state current is limited to 1.5 mA. These thresholds ensure reliable state detection. The module dissipates a maximum of 3.6 Watts of power. This thermal performance keeps the system stable.

Filter circuitry and optical coupling reduce electrical noise interference. This design protects signal integrity in industrial environments. The module stores input data in a digital format. Processors access this data via standard Ladder Logic programming. Sixteen LED indicators show the status of each input channel.

Procurement & Buyer Guide

1746-ITB16 Industrial Automation Spare Parts

Select this module for any SLC 500 control system. It fits into a single slot of the 1746 chassis. The module connects directly to the chassis backplane. It does not support Removal Under Power (RIUP). Always power down the chassis before installation.

This module is compatible with all SLC 500 processors. It works with both modular and fixed configurations. The 1746-ITB16 supports connections from up to eight sensors or actuators. Its removable terminal blocks simplify wiring changes. You do not need to disconnect wires for module replacement.

The module operates in temperatures from 32 to 140 °F. It functions in noncondensing humidity levels of 5 to 95%. These ratings suit most factory floor environments. The part number is 1746-ITB16 from Rockwell Automation. The brand is Allen-Bradley, a trusted industry leader.

This module uses a sharing-based hardware platform. This design saves cost and valuable chassis space. It combines digital I/O with other module types. This flexibility simplifies system architecture. The UPC code for this module is 10662468070529.

1746-ITB16 Industrial Automation Spare Parts

Logistics & Standard Packaging Details

  • One (1) Allen-Bradley 1746-ITB16 fast response input module
  • Removable terminal block for wiring connections
  • Product documentation and installation guide
  • Anti-static packaging for safe transit

We ship all orders via express delivery services. You can choose FedEx, UPS, or DHL for fast shipping. This ensures your critical component arrives quickly and safely.

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