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1746-IM16

1746-IM16 Digital AC Input Module 16-Pt | Allen-Bradley SLC 500

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  • Manufacturer: Allen-Bradley

  • Product No.: 1746-IM16

  • Product Type: Digital AC Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 480g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Allen-Bradley 1746-IM16 is a 16-point digital high-voltage AC input module engineered for the SLC 500 programmable controller system by Rockwell Automation. Designed to interface directly with 200/240V AC line-voltage discrete field devices, it operates across an input voltage range of 170 to 265V AC at 47–63 Hz. Featuring robust dielectric isolation of 1500V AC for 1 minute, rapid response times, and standard Removable Terminal Block (RTB) wiring compatibility, this unit delivers high signal integrity in rugged industrial control environments while weighing approximately 0.48 kg.

Key Advantages

  • High-Voltage AC Interface: Operates directly on 170–265V AC line power without requiring interposing signal conditioning or step-down transformers.
  • 16 High-Density Channels: Accommodates 16 discrete input signals in a single SLC 500 chassis slot to maximize backplane space efficiency.
  • Heavy-Duty Environmental Resilience: Rated for operational shock up to 30G and 2G vibration resistance across a 10 to 500 Hz frequency spectrum.
  • 1500V AC Dielectric Protection: High galvanic isolation safeguards backplane logic components against line-side electrical surges and field noise.
  • Removable Terminal Block (RTB): Allows fast system maintenance and modular replacements without disturbing existing field wire harnesses.

Technical Specifications

Manufacturer / Brand Allen-Bradley (Rockwell Automation)
Part / Catalog Number 1746-IM16
Product Series / Module Type SLC 500 | Digital AC Input Module
Number of Inputs 16 Inputs
Operating Voltage Range 170–265V AC (47–63 Hz)
Off-State Thresholds 30V AC Max | 2 mA Max Off-State Current
Input Current & Inrush 12 mA Nominal @ 120V AC | Max Inrush: 0.8 A (0.5 ms duration)
Signal Response Time Off-to-On: 15 ms | On-to-Off: 10 ms
Dielectric Withstand 1500V AC for 1 minute
Operating Temperature 0 to +60 °C (+32 to +140 °F)
Approximate Net Weight 0.48 kg (1.06 lbs)

Frequently Asked Questions

Q1: What is the operating voltage range for the 1746-IM16 AC input module?

A1: The module accepts input voltages ranging from 170 to 265V AC at standard line frequencies of 47 to 63 Hz.

Q2: What are the input signal turn-on and turn-off response times?

A2: The turn-on response time (Off to On) is 15 ms, and the turn-off response time (On to Off) is 10 ms.

Q3: What level of electrical isolation does the 1746-IM16 provide?

A3: It features optical dielectric withstand tested at 1500V AC for 1 minute between backplane logic and inputs.

Product Resources

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🏷️ Tags: Digital AC Input Module

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