Overview
The Allen Bradley 1756-IF8H is a high-performance ControlLogix HART Analog Input Module designed for precise monitoring of smart field devices using HART communication. It enables multi-channel analog input with advanced diagnostics and seamless integration into ControlLogix systems for industrial automation and process control.
General Information
Part Number: 1756-IF8H
Manufacturer: Allen Bradley
Brand / Country of Origin: Allen Bradley / USA
Series: ControlLogix
Type: HART Analog Input Module
Mounting: DIN rail or ControlLogix chassis
Technology: 4–20 mA analog input with HART protocol, multi-drop device support, built-in error detection
Power Specifications
Supply Voltage: 5 V DC (from backplane)
Power Consumption: ≤ 4 W
Input: Powered via ControlLogix chassis backplane
Protection: Overvoltage, short-circuit, and reverse-polarity protection
Indicators: LEDs for module status, HART communication, and fault detection
Communication & Interface
Protocol Support: HART, 4–20 mA analog signals
Channels: 8 analog input channels supporting HART devices
Diagnostics: Device-level diagnostics, communication error detection, link monitoring
Interface: Backplane communication with ControlLogix chassis, configuration via RSLogix 5000 / Studio 5000
Reset Features: Supports soft reset through software or hardware reset via chassis
Environmental
Operating Temperature: −20 to +70 °C
Storage Temperature: −40 to +85 °C
Humidity: 5–95% RH, non-condensing
Vibration & Shock: Meets industrial standards for control modules
Protection Rating: IP20
Dimensions & Weight
Dimensions (L × W × H): 144.57 × 22 × 105.42 mm
Weight: 0.14 kg
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