Allen Bradley 1769-IA8I CompactLogix Isolated Input Module

Overview

The Allen Bradley 1769-IA8I is a CompactLogix isolated AC digital input module designed for reliable signal acquisition in industrial automation systems. It provides electrically isolated input channels to reduce noise interference and improve signal stability, making it suitable for demanding control environments where accuracy and electrical separation are critical.

General Information

Part Number: 1769-IA8I

Manufacturer: Allen-Bradley (Rockwell Automation)

Brand: Allen-Bradley

Country of Origin: USA

Series: CompactLogix 1769

Type: Isolated AC Digital Input Module

Function: Receives AC input signals with channel-to-channel electrical isolation

Mounting: Installed on CompactLogix 1769 I/O chassis or DIN rail system

Technology: Opto-isolated input architecture for enhanced electrical noise immunity

Power Specifications

Operating Voltage: 120/240 V AC input signals

Backplane Power: Supplied via CompactLogix 1769 backplane

Power Consumption: Low power industrial I/O module

Input Protection: Channel isolation with surge suppression and noise filtering

Indicators: LED status indicators for each input channel and module status

Communication & Interface

Bus System: CompactLogix 1769 backplane communication

Input Channels: 8 isolated AC digital input points

Signal Type: AC switching signals from field devices

Data Transfer: Real-time digital input status transmission to PLC processor

Diagnostics: Built-in module fault detection and channel-level monitoring

Environmental

Operating Temperature: 0 to 60 °C

Storage Temperature: −40 to 85 °C

Humidity: 5% to 95% non-condensing

Vibration Resistance: Industrial control cabinet rated

Protection Rating: IP20 for enclosed panel installation use

Dimensions & Weight

Dimensions (H × W × D): 118 × 35 × 87 mm

Weight: 0.27 kg

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