1756-IT6I2 | Allen-Bradley Input Module
1756-IT6I2 | Allen-Bradley Input Module
1756-IT6I2 | Allen-Bradley Input Module
    1756-IT6I2 | Allen-Bradley Input Module
1756-IT6I2 | Allen-Bradley Input Module

1756-IT6I2 | Allen-Bradley Input Module

Part #: 1756-IT6I2 Manufactured by: Allen-Bradley
Regular price
$659.00
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$659.00
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Product Overview
The Allen Bradley 1756-IT6I2 ControlLogix Enhanced Isolated Thermocouple/Mv Input 6P is a specialized analog input module ...  Read more
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Product Description P/N: 1756-IT6I2

Description / Specifications

Description

The Allen Bradley 1756-IT6I2 is a ControlLogix Enhanced Isolated Thermocouple/Mv Input Module designed to accurately measure temperature and millivolt analog inputs in industrial applications. It features six individually isolated thermocouple input channels, each equipped with 20-pin connectors, and includes two Cold-Junction Sensors (CJS) for enhanced accuracy. The module supports input ranges of -12-78mV and -12-30mV, with a resolution of 1.4 microvolts per bit and 16-bit precision. Additionally, it linearizes millivolt inputs to provide temperature values in Celsius or Fahrenheit, ensuring precise measurement and control of temperature-related processes. With its advanced features and reliable performance, the Allen Bradley 1756-IT6I2 is suitable for a wide range of industrial applications requiring accurate temperature monitoring and control.

 

 

Technical Specifications

Part #

1756-IT6I2

Manufacturer

Allen-Bradley

Category

PLCs/Machine Control

Subcategory

PLC Module/Rack

Series

ControlLogix

Module Type

Analog Thermocouple Module

Inputs

6 Isolated Thermocouple, 2 CJC

No. of Inputs

Six (6) Point Isolated Thermocouple Inputs

Input Resolution

16 bits

Input Range

-12…78 mV

Backplane Current (24 Volts)

120 milliamps

Module Scan Time

25 ms min floating point (millivolt)

Data Format

Integer mode (left justified, 2s complement) IEEE 32-bit FP

Backplane Current (5 Volts)

200 milliamps

Supported Sensors

B, C, D, E, J, K, L, N, R, S, T

Backplane Current (24 Volts)

150 milliamps

Removable Terminal Blocks

1756-TBNH, 1756-TBSH

Backplane Current at 24 Volts

2 milliamperes

Power Dissipation (Max)

4.6 Watts

Removable Terminal Blocks

1756-TBNH

UPC

10612598299680

 

 

Information About 1756-IT6I2 

The Allen Bradley 1756-IT6I2 ControlLogix Enhanced Isolated Thermocouple/Mv Input 6P is a temperature-measuring thermocouple/millivolt analog input module designed for ControlLogix systems. It features six individually isolated thermocouple inputs and two cold-junction sensors (CJS). The input range includes -12-78mV and -12-30mV, with a resolution of 16 bits. The module linearizes millivolt inputs into temperature values, which can be displayed in Celsius or Fahrenheit.

This module is equipped with 20-pin connectors for each thermocouple input. It supports a range of thermocouple types including B, C, D, E, J, K, L, N, R, S, and T. The input resolution of the module is 1.4 µV/bit for the -12-78mV range and 0.7 µV/bit for the -12-30mV range.

The Allen Bradley 1756-IT6I2 operates with a backplane current of 120 milliamps at 24 volts and 200 milliamps at 5 volts. It has a module scan time of 25 milliseconds for floating-point (millivolt) inputs, 50 milliseconds for floating-point (temperature) inputs, and 10 milliseconds for integer (millivolt) inputs.

The module supports data format in integer mode with left-justified, 2's complement IEEE 32-bit floating point. It is designed for use in ControlLogix systems and is part of the CompactLogix series.

In terms of power dissipation, the maximum power dissipation of the module is 4.6 Watts. It is equipped with removable terminal blocks, including 1756-TBNH and 1756-TBSH. The module's backplane current at 24 volts is 150 milliamps, and it consumes 2 milliamperes of current at 24 volts.

 

 

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1756-IT6I2
Question: What is the primary function of the 1756-IT6I2 module?
Date Update:23/06/2025
Answer:

The 1756-IT6I2 is a high-precision analog input module designed to measure temperature and millivolt signals using thermocouples. It is part of the ControlLogix system and offers six isolated input channels. Each channel is capable of independently reading analog signals from various thermocouple types or raw millivolt sources. The module then linearizes these inputs and converts them into temperature values in Celsius or Fahrenheit. This makes it ideal for industrial applications where accurate thermal monitoring and control are critical.

Question: What types of sensors are supported by this module?
Date Update:23/06/2025
Answer:

The 1756-IT6I2 supports a wide range of thermocouple types, including B, C, D, E, J, K, L, N, R, S, and T. This extensive compatibility allows the module to be deployed across various industries and temperature ranges. Each thermocouple type is suited for specific applications—for example, Type K for general industrial use or Type R/S for high-temperature environments like furnaces. The module automatically linearizes the input signals based on the thermocouple type selected. This flexibility ensures accurate temperature readings tailored to specific operational needs.

Question: How is cold-junction compensation handled?
Date Update:23/06/2025
Answer:

The module includes two integrated Cold-Junction Compensation (CJC) sensors. These sensors monitor the ambient temperature at the terminal blocks where thermocouples connect. The CJC readings are automatically used to correct the thermocouple measurements, improving accuracy. This eliminates the need for external compensation circuitry and simplifies installation. Reliable CJC functionality ensures accurate temperature readings even in fluctuating ambient conditions.

Question: What removable terminal blocks are supported?
Date Update:23/06/2025
Answer:

The 1756-IT6I2 supports the use of 1756-TBNH and 1756-TBSH removable terminal blocks (RTBs). These terminal blocks allow for easy wiring and fast replacement or maintenance of the module without disturbing existing field wiring. The RTBs provide secure and reliable connections to thermocouples and other signal lines. They also help reduce system downtime during installation or troubleshooting. Choosing the correct RTB is essential for ensuring compatibility and mechanical stability.

Question: What is the module’s scan time performance?
Date Update:23/06/2025
Answer:

The 1756-IT6I2 offers scan times of 25 milliseconds for floating-point millivolt readings, 50 milliseconds for temperature readings, and 10 milliseconds for integer millivolt data. These fast response times ensure that the module can keep up with dynamic changes in the measured environment. Rapid scan rates help in maintaining tight process control loops where temperature shifts need to be corrected promptly. This performance supports real-time monitoring, particularly in high-speed production environments. The scan time can be configured to match the process demands for optimized control.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description

The Allen Bradley 1756-IT6I2 is a ControlLogix Enhanced Isolated Thermocouple/Mv Input Module designed to accurately measure temperature and millivolt analog inputs in industrial applications. It features six individually isolated thermocouple input channels, each equipped with 20-pin connectors, and includes two Cold-Junction Sensors (CJS) for enhanced accuracy. The module supports input ranges of -12-78mV and -12-30mV, with a resolution of 1.4 microvolts per bit and 16-bit precision. Additionally, it linearizes millivolt inputs to provide temperature values in Celsius or Fahrenheit, ensuring precise measurement and control of temperature-related processes. With its advanced features and reliable performance, the Allen Bradley 1756-IT6I2 is suitable for a wide range of industrial applications requiring accurate temperature monitoring and control.

 

 

Technical Specifications

Part #

1756-IT6I2

Manufacturer

Allen-Bradley

Category

PLCs/Machine Control

Subcategory

PLC Module/Rack

Series

ControlLogix

Module Type

Analog Thermocouple Module

Inputs

6 Isolated Thermocouple, 2 CJC

No. of Inputs

Six (6) Point Isolated Thermocouple Inputs

Input Resolution

16 bits

Input Range

-12…78 mV

Backplane Current (24 Volts)

120 milliamps

Module Scan Time

25 ms min floating point (millivolt)

Data Format

Integer mode (left justified, 2s complement) IEEE 32-bit FP

Backplane Current (5 Volts)

200 milliamps

Supported Sensors

B, C, D, E, J, K, L, N, R, S, T

Backplane Current (24 Volts)

150 milliamps

Removable Terminal Blocks

1756-TBNH, 1756-TBSH

Backplane Current at 24 Volts

2 milliamperes

Power Dissipation (Max)

4.6 Watts

Removable Terminal Blocks

1756-TBNH

UPC

10612598299680

 

 

Information About 1756-IT6I2 

The Allen Bradley 1756-IT6I2 ControlLogix Enhanced Isolated Thermocouple/Mv Input 6P is a temperature-measuring thermocouple/millivolt analog input module designed for ControlLogix systems. It features six individually isolated thermocouple inputs and two cold-junction sensors (CJS). The input range includes -12-78mV and -12-30mV, with a resolution of 16 bits. The module linearizes millivolt inputs into temperature values, which can be displayed in Celsius or Fahrenheit.

This module is equipped with 20-pin connectors for each thermocouple input. It supports a range of thermocouple types including B, C, D, E, J, K, L, N, R, S, and T. The input resolution of the module is 1.4 µV/bit for the -12-78mV range and 0.7 µV/bit for the -12-30mV range.

The Allen Bradley 1756-IT6I2 operates with a backplane current of 120 milliamps at 24 volts and 200 milliamps at 5 volts. It has a module scan time of 25 milliseconds for floating-point (millivolt) inputs, 50 milliseconds for floating-point (temperature) inputs, and 10 milliseconds for integer (millivolt) inputs.

The module supports data format in integer mode with left-justified, 2's complement IEEE 32-bit floating point. It is designed for use in ControlLogix systems and is part of the CompactLogix series.

In terms of power dissipation, the maximum power dissipation of the module is 4.6 Watts. It is equipped with removable terminal blocks, including 1756-TBNH and 1756-TBSH. The module's backplane current at 24 volts is 150 milliamps, and it consumes 2 milliamperes of current at 24 volts.

 

 

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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