1756-IRT8I | Allen-Bradley ControlLogix 8-Ch Input Module RTD/Ohms/Thermocouple/mV
1756-IRT8I | Allen-Bradley ControlLogix 8-Ch Input Module RTD/Ohms/Thermocouple/mV
Part #: 1756-IRT8I Manufactured by: Allen-Bradley

1756-IRT8I | Allen-Bradley ControlLogix 8-Ch Input Module RTD/Ohms/Thermocouple/mV

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Allen Bradley 1756-IRT8I ControlLogix Combined Temperature-Sensing Isolated RTD / Ohms / Thermocouple / mV Analog Input Mo...  Read more
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Warranty for item #: 1756-IRT8I
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1756-IRT8I | Allen-Bradley ControlLogix 8-Ch Input Module RTD/Ohms/Thermocouple/mV
    1756-IRT8I | Allen-Bradley ControlLogix 8-Ch Input Module RTD/Ohms/Thermocouple/mV
1756-IRT8I | Allen-Bradley ControlLogix 8-Ch Input Module RTD/Ohms/Thermocouple/mV
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Product Description P/N: 1756-IRT8I

Description / Specifications

Description 

The 1756-IRT8I is a ControlLogix analog input module. It has Eight (8) individually isolated channels compatible for Resistance Temperature Detector (RTD) and Thermocouple sensors. Compatible RTDs are 100, 200, 500, 1000 ? Platinum, alpha=385; 100, 200, 500, 1000 ? Platinum, alpha=3916; 120 ? Nickel, alpha=672; 100, 120, 200, 500 ? Nickel, alpha=618; and 10 ? Copper. Compatible Thermocouples are Type B, C, D, E, J, K, N, R, S, T, TXK/XK (L). It is also capable of receiving millivolt signals with range of -100…100 mV.

 

Technical Specifications 

 

Brand Allen-Bradley
Series ControlLogix
Part Number 1756-IRT8I
Manufacturer Rockwell Automation
Inputs 8 Isolated Channels
Module Type Analog RTD / Thermocouple / milivolt Module
No. of Inputs Eight (8) Point Isolated RTD / Thermocouple / milivolt
Compatible RTD Type 100, 200, 500, 1000 ? Platinum, alpha=385 100, 200, 500, 1000 ? Platinum, alpha=3916 120 ? Nickel, alpha=672 100, 120, 200, 500 ? Nickel, alpha=618 10 ? Copper, alpha=427
Current Draw (5.1 Volts) 200 milliamps
Current Draw (24 Volts) 150 milliamps
Compatible Thermocouple Types B, C, D, E, J, K, N, R, S, T, TXK/XK (L)
Resolution 24 bits 0…510 ?: 0.06 m?/count 0…1020 ?: 0.12 m?/count 0…2040 ?: 0.25 m?/count 0…4080 ?: 0.50 m?/count -101…101 mV: 0.01 ?V/count
Power Dissipation (Maximum) 4.6 Watts
Thermal Dissipation 15.7 BTU per hour
Input Range 1…500 ? 2…1000 ? 4…2000 ? 8…4000 ? -100…100 mV
Module Scan Time 1 ms
Isolation Voltage 250 Volts Continuous
Data Format IEEE 32-bit floating point
Backplane Current at 24 Volts 2 milliamps
Backplane Current (5Volts) 250 mA
Backplane Current (24 Volts) 150 mA
Power Dissipation (Max) 4.6 W
Removable Terminal Blocks 1756-TBNH, 1756-TBS6H

  

 

Information About 1756-IRT8I

The Allen-Bradley 1756-IRT8I module is a high-resolution analog I/O module. In particular, it is an Eight (8) point isolated temperature sensing module compatible with RTD, Thermocouple and millivolt signals. The module is part of the ControlLogix system and requires the 36-pin RTB or Removable Terminal Block (RTB). Compatible RTB are 1756-TBCH or the 1756-TBS6H. It has 2 CJC sensors for thermocouple use. The CJC sensor accuracy is +/- 0.3 degrees Celsius, The channel sampling rate of the module is only determined by the RPI value because the 1756-IRT8I does not offer the RTS parameter. Also, channels configured for thermocouple inputs perform a lead resistance self-calibration when the module power is cycled. Features of the 1756-IRT8I module include multiple module input ranges, a notch filter, under-range/over-range detection, a digital filter, process alarms, a rate alarm, a sensor offset, a 10-ohm copper offset, wire-off detection, temperature units, sensor types, thermocouple wire length compensation, synchronized sampling, and cold junction compensation.

The 1756-IRT8I has multiple input ranges available, namely 1 to 500 Ohms, 2 to 1000 Ohms, 4 to 2000 Ohms, 8 to 4000 Ohms, and -100 to 100 millivolts. It supports 24-bit resolution with ranges of 0 to 510 Ohms with 0.06 milliohms per count, 0 to 1020 Ohms with 0.12 milliohms per count, 0 to 2040 Ohms with 0.25 milliohms per count, 0 to 4080 Ohms with 0.50 milliohms per count, and -101 to 101 millivolts with 0.01 microvolts per count. RTD sensors that are supported include 100, 200, 500, 1000 Ohm platinum, alpha=385, 100, 200, 500, 1000 Ohms platinum, alpha=3916, 120 Ohms nickel, alpha 672, 100, 120, 200, 500 Ohm nickel, alpha=618, and 10 Ohm copper, alpha=427. The RTD excitation current of the module is 600 microamps. The thermocouple types for this module are B, C, D, E, J, K, N, R, S, T, and TXK/XK (L). Its thermocouple linearization is ITS-90. The module has open circuit detection times of 2 seconds for a thermocouple input and 3-wire RTD input and of 5 seconds for a 4-wire RTD input. It should be noted that there is no open circuit detection when wires are simultaneously disconnected from the INx/RTD C and INx/RTD D terminals on the same channel (with x representing the channel number). Noise rejections are available for the module. At normal mode, it is 75 dB at 60 Hertz. During common mode, it is 125 dB at 60 Hertz 1000 Ohms differential, 120 dB at 50 Hertz 1000 Ohms differential, and 160 dB at 600 Volts 100 Ohms differential.

The Allen-Bradley 1756-IRT8I is a ControlLogix analog input module with Eight (8) channels configurable for Resistance Temperature Detector (RTD), Thermocouple and millivolt input.

This module features high resolution analog to digital conversion via Sigma-Delta method. The converted data is saved to IEEE 32-bit floating point. The converted data are ideally accessed by Human Machine Interface (HMI), Supervisory Control and Data Acquisition (SCADA) and Distributed Control Systems (DCS). Other than computer-based systems, the signal data may be used for calculations, and Process Variables (PV) for controllers such as Proportional + Integral + Derivative (PID).

This module is capable of Open Circuit Detection with detection time of 2 Seconds for Thermocouple input and 3-Wire RTD and 5 Seconds for 4-Wire RTD.

Supported input range of this module are 1 - 500 ?, 2 - 1000 ?, 4 - 2000 ?, 8 - 4000 ? and -100 to 100 mV. The modules overall resolution is 24 Bits. With actual resolution of 0…510 ?: 0.06 m?/count 0…1020 ?: 0.12 m?/count 0…2040 ?: 0.25 m?/count 0…4080 ?: 0.50 m?/count -101…101 mV: 0.01 ?V/count.

Supported Thermocouple types include Thermocouple Type B, C, D, E, J, K, N, R, S, T, TXK/XK (L) with linearization of ITS-90. Compatible RTD sensors include 100 ? PT 385, 20 ? PT 385, 500 ? PT 385, 1000 ? PT 385, 100 ? PT 3916, 20 ? PT 3916, 500 ? PT 3916, 1000 ? PT 3916, 10 ? CU 427, 120 ? NI 672, 100 ? NI 618, 120 ? NI 618, 200 ? NI 618 and 200 ? NI 618. Compatible millivolt signals should be within the range of -100 to 100 mV.


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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IQElectro 2 Year Warranty

IQElectro offers a 2-Year Warranty on all our products. This complimentary two-year warranty ensures that every purchase from IQElectro is a secure investment in the future of your company.
Warranty Terms
warningIQElectro is not an authorized distributor.
IQElectro 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. Some hardware products may contain software and firmware and may not be legally operated without first obtaining an appropriate license from the manufacturer. IQElectro makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. IQElectro also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from the Original Manufacturer, its distributors, or any other source. IQElectro also makes no representations as to your right to install any such software or firmware on the product. IQElectro will not obtain or supply software or firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing software or firmware. Customer acknowledges and agrees that IQElectro DOES NOT provide any software, firmware, operating system, or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance, and upgrades are subject to the applicable manufacturer's Licensing Agreement or similar document. Disclaimer Policy.
Description / Specifications

Description 

The 1756-IRT8I is a ControlLogix analog input module. It has Eight (8) individually isolated channels compatible for Resistance Temperature Detector (RTD) and Thermocouple sensors. Compatible RTDs are 100, 200, 500, 1000 ? Platinum, alpha=385; 100, 200, 500, 1000 ? Platinum, alpha=3916; 120 ? Nickel, alpha=672; 100, 120, 200, 500 ? Nickel, alpha=618; and 10 ? Copper. Compatible Thermocouples are Type B, C, D, E, J, K, N, R, S, T, TXK/XK (L). It is also capable of receiving millivolt signals with range of -100…100 mV.

 

Technical Specifications 

 

Brand Allen-Bradley
Series ControlLogix
Part Number 1756-IRT8I
Manufacturer Rockwell Automation
Inputs 8 Isolated Channels
Module Type Analog RTD / Thermocouple / milivolt Module
No. of Inputs Eight (8) Point Isolated RTD / Thermocouple / milivolt
Compatible RTD Type 100, 200, 500, 1000 ? Platinum, alpha=385 100, 200, 500, 1000 ? Platinum, alpha=3916 120 ? Nickel, alpha=672 100, 120, 200, 500 ? Nickel, alpha=618 10 ? Copper, alpha=427
Current Draw (5.1 Volts) 200 milliamps
Current Draw (24 Volts) 150 milliamps
Compatible Thermocouple Types B, C, D, E, J, K, N, R, S, T, TXK/XK (L)
Resolution 24 bits 0…510 ?: 0.06 m?/count 0…1020 ?: 0.12 m?/count 0…2040 ?: 0.25 m?/count 0…4080 ?: 0.50 m?/count -101…101 mV: 0.01 ?V/count
Power Dissipation (Maximum) 4.6 Watts
Thermal Dissipation 15.7 BTU per hour
Input Range 1…500 ? 2…1000 ? 4…2000 ? 8…4000 ? -100…100 mV
Module Scan Time 1 ms
Isolation Voltage 250 Volts Continuous
Data Format IEEE 32-bit floating point
Backplane Current at 24 Volts 2 milliamps
Backplane Current (5Volts) 250 mA
Backplane Current (24 Volts) 150 mA
Power Dissipation (Max) 4.6 W
Removable Terminal Blocks 1756-TBNH, 1756-TBS6H

  

 

Information About 1756-IRT8I

The Allen-Bradley 1756-IRT8I module is a high-resolution analog I/O module. In particular, it is an Eight (8) point isolated temperature sensing module compatible with RTD, Thermocouple and millivolt signals. The module is part of the ControlLogix system and requires the 36-pin RTB or Removable Terminal Block (RTB). Compatible RTB are 1756-TBCH or the 1756-TBS6H. It has 2 CJC sensors for thermocouple use. The CJC sensor accuracy is +/- 0.3 degrees Celsius, The channel sampling rate of the module is only determined by the RPI value because the 1756-IRT8I does not offer the RTS parameter. Also, channels configured for thermocouple inputs perform a lead resistance self-calibration when the module power is cycled. Features of the 1756-IRT8I module include multiple module input ranges, a notch filter, under-range/over-range detection, a digital filter, process alarms, a rate alarm, a sensor offset, a 10-ohm copper offset, wire-off detection, temperature units, sensor types, thermocouple wire length compensation, synchronized sampling, and cold junction compensation.

The 1756-IRT8I has multiple input ranges available, namely 1 to 500 Ohms, 2 to 1000 Ohms, 4 to 2000 Ohms, 8 to 4000 Ohms, and -100 to 100 millivolts. It supports 24-bit resolution with ranges of 0 to 510 Ohms with 0.06 milliohms per count, 0 to 1020 Ohms with 0.12 milliohms per count, 0 to 2040 Ohms with 0.25 milliohms per count, 0 to 4080 Ohms with 0.50 milliohms per count, and -101 to 101 millivolts with 0.01 microvolts per count. RTD sensors that are supported include 100, 200, 500, 1000 Ohm platinum, alpha=385, 100, 200, 500, 1000 Ohms platinum, alpha=3916, 120 Ohms nickel, alpha 672, 100, 120, 200, 500 Ohm nickel, alpha=618, and 10 Ohm copper, alpha=427. The RTD excitation current of the module is 600 microamps. The thermocouple types for this module are B, C, D, E, J, K, N, R, S, T, and TXK/XK (L). Its thermocouple linearization is ITS-90. The module has open circuit detection times of 2 seconds for a thermocouple input and 3-wire RTD input and of 5 seconds for a 4-wire RTD input. It should be noted that there is no open circuit detection when wires are simultaneously disconnected from the INx/RTD C and INx/RTD D terminals on the same channel (with x representing the channel number). Noise rejections are available for the module. At normal mode, it is 75 dB at 60 Hertz. During common mode, it is 125 dB at 60 Hertz 1000 Ohms differential, 120 dB at 50 Hertz 1000 Ohms differential, and 160 dB at 600 Volts 100 Ohms differential.

The Allen-Bradley 1756-IRT8I is a ControlLogix analog input module with Eight (8) channels configurable for Resistance Temperature Detector (RTD), Thermocouple and millivolt input.

This module features high resolution analog to digital conversion via Sigma-Delta method. The converted data is saved to IEEE 32-bit floating point. The converted data are ideally accessed by Human Machine Interface (HMI), Supervisory Control and Data Acquisition (SCADA) and Distributed Control Systems (DCS). Other than computer-based systems, the signal data may be used for calculations, and Process Variables (PV) for controllers such as Proportional + Integral + Derivative (PID).

This module is capable of Open Circuit Detection with detection time of 2 Seconds for Thermocouple input and 3-Wire RTD and 5 Seconds for 4-Wire RTD.

Supported input range of this module are 1 - 500 ?, 2 - 1000 ?, 4 - 2000 ?, 8 - 4000 ? and -100 to 100 mV. The modules overall resolution is 24 Bits. With actual resolution of 0…510 ?: 0.06 m?/count 0…1020 ?: 0.12 m?/count 0…2040 ?: 0.25 m?/count 0…4080 ?: 0.50 m?/count -101…101 mV: 0.01 ?V/count.

Supported Thermocouple types include Thermocouple Type B, C, D, E, J, K, N, R, S, T, TXK/XK (L) with linearization of ITS-90. Compatible RTD sensors include 100 ? PT 385, 20 ? PT 385, 500 ? PT 385, 1000 ? PT 385, 100 ? PT 3916, 20 ? PT 3916, 500 ? PT 3916, 1000 ? PT 3916, 10 ? CU 427, 120 ? NI 672, 100 ? NI 618, 120 ? NI 618, 200 ? NI 618 and 200 ? NI 618. Compatible millivolt signals should be within the range of -100 to 100 mV.


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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