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

Product parameters

Module type: Isolated thermocouple/millivolt input module

Number of input channels: 8 differential input channels

Input signal type:

Thermocouple types: Supports J, K, T, E, R, S, B, and N type thermocouples

Millivolt input range: -100 to +100 mV

Resolution:

Thermocouple: 0.1°C or 0.1°F (depending on the configuration)

Millivolts: 10 µV

Accuracy:

Thermocouple: ±0.5°C to ±2°C (depending on the type and temperature range, at 25°C)

Millivolts: ±0.1% (full scale, 25°C)

Cold End Compensation (CJC) :

Built-in cold end compensation, with an accuracy of ±0.5°C

Use the cold-end sensor on the 1771-WB or 1771-WC wiring arm

Input impedance: >10 MΩ

Channel isolation

Inter-channel isolation: 1000 VDC (continuous)

Input to backplane isolation: 1000 VDC (continuous)

Backplane current: 1.2 A (5 VDC)

Power consumption: Maximum 6 W

Heat dissipation: Maximum 20.5 BTU/ hour

Conversion time: 50 ms per channel (approximately 400 ms for 8-channel scanning, with visual filtering Settings)

Input overvoltage protection: ±30 VDC (continuous)

Operating temperature: 0 to 60°C (32 to 140°F)

Storage temperature: -40 to 85°C (-40 to 185°F)

Relative humidity: 5% to 95% (no condensation)

Installation location:

Compatible with I/O racks such as 1771-A1B, A2B, A3B, A4B, etc

Occupy one slot

Wiring:

Use 1771-WB or 1771-WC wiring arms (screw terminals)

Wire specification: 14-22 AWG stranded or solid copper wire, with a maximum insulation thickness of 3/64 inches

Terminal screw torque: 7-9 inches - pounds

Key control: The backplane connector is key controlled between pins 4-6 and 18-20

Certification: Complies with UL, CSA, CE and other standards (Specific certifications may vary by supplier)

Function

Support for multiple types of thermocouples

It supports J, K, T, E, R, S, B and N type thermocouples, covering a wide temperature range (-270 to 1820°C), and is suitable for various industrial temperature measurement requirements.

It can be configured as millivolt input (-100 to +100 mV) and supports low-level signal acquisition.

Cold End Compensation (CJC) :

It is equipped with an internal cold junction compensation function, which automatically corrects the influence of ambient temperature in thermocouple measurement through the sensor on the wiring arm, with an accuracy of ±0.5°C.

High precision and resolution:

The input resolution of the thermocouple reaches 0.1°C/°F, and the millivolt input resolution reaches 10 µV, ensuring precise measurement.

The accuracy is ±0.5°C to ±2°C (for thermocouples) or ±0.1% (millivolts), meeting the requirements of industrial applications.

Channel isolation: Provide 1000 VDC isolation between channels and input to the backplane to prevent signal interference and ground loops, and enhance system reliability.

Rapid data acquisition: The conversion time per channel is approximately 50 ms, and the complete scan of 8 channels takes about 400 ms, making it suitable for real-time temperature monitoring.

Overvoltage protection: Built-in ± 30VDC overvoltage protection to safeguard the module from accidental overload or incorrect wiring.

Modular design: Occupies 1 I/O rack slot, uses 1771-WB or 1771-WC wiring arms to simplify wiring, and supports continuous removal/insertion without disconnection (RIUP, power off required).

Compatible with PLC-5 processors (such as 1785-L80C) and power modules (such as 1771-P5).

Diagnosis and Configuration

Support the configuration of thermocouple type, range, filtering parameters and unit (°C/°F) through RSLogix 5 or Studio 5000 Logix Designer.

Provide status data (such as over-range, under-range, and disconnection detection) to facilitate fault diagnosis.

Application scenarios

Process control: In the chemical, oil and gas, or pharmaceutical industries, thermocouple signals are collected to monitor the temperature of reactors, pipelines, or storage tanks, supporting PID regulation or process optimization.

Industrial heating and cooling: In heat treatment furnaces, injection molding machines or HVAC systems, monitor the temperature to control heaters, coolers or heat exchangers to ensure process stability.

Energy management: In power distribution or renewable energy systems, monitor the temperature of transformers, generators or battery packs to prevent overheating or equipment failure.

Environmental monitoring: In the environmental control system, temperature data (such as in cold storage and greenhouses) are collected to ensure that environmental conditions meet the requirements.

Manufacturing industry: In automotive manufacturing, food processing or electronic assembly, monitor the temperature of production equipment or the environment to support quality control and equipment protection.

Scientific research and testing: In laboratories or testing equipment, millivolt signals (such as strain gauges, pressure sensors) are collected to support high-precision data analysis.

Legacy system maintenance: Used for maintaining or upgrading old systems based on PLC-5 (such as when used in conjunction with 1785-L80C, 1771-P5, etc.), to extend the lifespan of equipment or prepare for migration to modern platforms (such as ControlLogix).

Advantage Products:

All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the other conditions are needed, Used, Open-box, Refurbished, etc.

Many Available just wait for you, feel free to ask to get better deal!!!

Bou L(Sales Manager)            

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