Allen-Bradley | 1762-IQ8 MicroLogix 1200 DC Input Module

Overview

The Allen-Bradley 1762-IQ8 is an 8-channel discrete DC input module for MicroLogix 1200 systems. Designed for precise sensing and reliable signal acquisition, it accommodates both sink and source inputs and provides isolation for secure operation in industrial applications.

Technical Specifications

• Manufacturer Allen-Bradley (Rockwell Automation)

• Series MicroLogix 1200

• Model / Part Number 1762-IQ8

• Product Type DC Input Module

• Weight 0.38 lbs (0.17 kg)

• Number of Inputs 8 channels (sink and source)

• Input Groups 1 isolated group with 8 channels

• Nominal Input Voltage 24 V DC

• Operating Voltage Range 10–30 V DC

• ON-State Current Minimum 2 mA at 10 V DC; Typical 8 mA at 24 V DC; Maximum 12 mA at 30 V DC

• OFF-State Current Maximum 1.5 mA

• Signal Delay (ON Transition) 8 ms

• Backplane Current 50 mA at 5.1 V DC, 0 mA at 24 V DC

• Isolation Rating 1200 V AC for 1 sec or 1697 V DC for 1 sec; 75 V DC working voltage (IEC Class 2 reinforced insulation)

• Input Power 24 V DC

• Heat Dissipation 3.7 W

Key Features

• 8-channel discrete DC inputs compatible with MicroLogix 1200 series

• Supports both sink and source configurations for flexible wiring

• Isolation between channels ensures safe operation and signal integrity

• Fast 8 ms ON transition suitable for control systems requiring rapid response

• Compact module with low heat dissipation for efficient panel integration

Application Scenarios

The 1762-IQ8 is ideal for:

• DC signal acquisition in compact PLC systems

• Expanding MicroLogix 1200 input capacity

• Discrete sensing in OEM machinery and industrial equipment

• Applications where channel isolation and precise input detection are required

Similar Models Comparison

• 1762-IQ8 – 8 discrete DC inputs, isolated, sink/source compatible

• 1762-IQ16 – 16 DC inputs, similar isolation and specifications

• 1762-IR4 – 4-channel isolated relay input module, slower response

FAQs

Q: What voltage range does this module accept?
A: The 1762-IQ8 supports 10–30 V DC input voltage.

Q: Is channel isolation provided?
A: Yes, all 8 channels are in a single isolated group with reinforced insulation.

Q: How fast is the input response?
A: The ON transition delay is 8 ms, suitable for most PLC applications.