1771-IXE | Allen Bradley PLC-5 8-Channel Thermocouple / Millivolt Input Module

Product Description

The Allen Bradley PLC-5 1771-IXE Input Module is designed for precise thermocouple and millivolt signal acquisition in industrial automation systems. Supporting multiple thermocouple types and offering auto-calibration, this module ensures accurate temperature and voltage measurements. With 8 differential input channels, digital filtering, and compatibility across 1771 I/O chassis, it provides reliable performance for process monitoring and control.

Technical Specifications

• Model / Part Number 1771-IXE

• Manufacturer Allen Bradley (Rockwell Automation)

• Product Line PLC-5 Series

• Product Type Thermocouple / Millivolt Input Module

• Weight 1.00 lbs (0.45 kg)

• Number of Inputs 8 floating differential channels (all same type or 4 each of two types)

• Thermocouple Types Supported E, J, K, T, R, S

• Voltage Range ±99.99 mV (E, J, K, R, S, T)

• Resistance Input Range ±100 mV

• Cold Junction Compensation 0–60 °C

• Resolution 1 °C or 1 °F

• Channel Update Rate 50 ms per 8 channels, 15-bit + sign

• Backplane Current Consumption 750 mA

• Data Formats 4-digit BCD, 2’s complement binary, signed magnitude binary

• Calibration Auto-calibration (offset and gain)

• Signal Delay

• DC Off: 50 ms

• AC Off: 45 ms ± 15 ms

• External Power Requirement None

• Processor Compatibility Any Allen Bradley processor using 1771 I/O and block transfer

• Chassis Compatibility Any 1771 I/O chassis

• Mounting Rack mountable

• Model Status Earlier model

Application Scenarios

• Industrial temperature monitoring using thermocouples

• Precision millivolt signal measurement in process control

• Automation systems requiring auto-calibration for consistent accuracy

FAQ

Q: How many input channels does the 1771-IXE provide?  A: It supports 8 floating differential inputs.

Q: Which thermocouple types are compatible?  A: Types E, J, K, T, R, and S.

Q: Does the module require external power?  A: No, it operates without external power.

Q: What is the resolution of the module?  A: 1 °C or 1 °F depending on configuration.

Comparison with Similar Models

• 1771-IXE: 8-channel thermocouple/millivolt input, auto-calibration, earlier model

• 1771-IFE: Analog input module, supports multiple voltage ranges

• 1771-OBN: Digital output module, designed for DC loads