ABB AI931 Analog Input Module

Overview

The ABB AI931 is an analog input module designed for ABB’s Advant / Master / OCS automation systems. It allows accurate measurement of analog signals from field devices, providing reliable data acquisition and seamless integration into the control system.

General Information

Part Number: AI931

Manufacturer / Brand: ABB

Country of Origin: Switzerland

Series: AI (Analog Input Module)

Type: Analog Input Module

Mounting: DIN rail or backplane installation within control chassis

Technology: Industrial-grade analog signal processing with integrated diagnostics and status monitoring

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: ≤ 10 W

Input: Powered via controller backplane

Protection: Overvoltage, reverse-polarity, and short-circuit protection

Indicators: LEDs for power, signal status, and fault

Communication & Interface

Bus Interface: Backplane connectivity to the main controller

Signal Inputs: Supports multiple analog input channels

Diagnostics: Module-level monitoring, fault detection, and status reporting

Operator Interface: Status LEDs and optional test points

Reset Features: Supports soft reset via system commands or hardware reset via front panel

Environmental

Operating Temperature: −25 to +70 °C

Humidity: 5% to 95% RH, non-condensing

Protection Rating: IP20 (standard industrial environment)

Vibration & Shock: Designed to meet IEC 60068 standards for industrial use

Dimensions & Weight

Dimensions (L × W × H): 140 × 96 × 88 mm

Weight: ~ 0.6 kg

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