1794-IT8 | Allen-Bradley Flex I/O Analog Input Module Thermocouple/mV 8 Channel
1794-IT8 | Allen-Bradley Flex I/O Analog Input Module Thermocouple/mV 8 Channel
Part #: 1794-IT8 Manufactured by: Allen-Bradley

1794-IT8 | Allen-Bradley Flex I/O Analog Input Module Thermocouple/mV 8 Channel

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Product Overview
The Allen-Bradley 1794-IT8 Flex I/O Thermocouple Input Analog Module has 8 Channels Inputs, a -76.5-76.5mV Nominal Input R...  Read more
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Product comes with IQElectro 2-Year Warranty
Warranty for item #: 1794-IT8
IQElectro offers a complimentary 2-year warranty on all our products. This ensures that every purchase you make from IQElectro is a reliable and trustworthy investment for the future of your company. Warranty Terms
IQElectro is NOT an authorized distributor for Allen-Bradley
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.
1794-IT8 | Allen-Bradley Flex I/O Analog Input Module Thermocouple/mV 8 Channel
    1794-IT8 | Allen-Bradley Flex I/O Analog Input Module Thermocouple/mV 8 Channel
1794-IT8 | Allen-Bradley Flex I/O Analog Input Module Thermocouple/mV 8 Channel
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Product Description P/N: 1794-IT8

Description / Specifications

Description 

The Allen-Bradley 1794-IT8 is a Flex I/O . This module is Thermocouple and millivolt input module that has Eight (8) channels compatible with Thermocouple sensors J, K, E, R, N, S, B, C, T and L sensors and accepts +/-76.5m voltage range. This module has 16-bit resolution and has a FlexBus current draw of 20 mA.

 

Technical Specifications 

 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1794-IT8
Keyswitch Position 3
Module Location 1794-TB2, -TB3 and -TB3T Terminal Base Units
CJC unit A-B Part Number 969424–0
Indicator 1 red/green power status indicator
Data Format 16-bit 2’s complement or offset binary (unipolar)
millivolt signal +/- 76. 5mV
Sensors supported J, K, E, R, N, S, B, C, T and L
No. of Inputs 8
Product Family Flex I/O Modules
Product Type Thermocouple / milivolt Input Module
Resolution 16 bits (2.384 microvolts typical)
Power Dissipation 3W maximum @ 31.2V
Inputs 8 Channels
Nominal Input Ranges -76.5 to 76.5 mV
Isolation Voltage 850 Volts DC
Normal Mode Noise Rejection -60db at 60 Hertz
Channel Bandwidth 0 to 2.62 Hertz
Normal Mode System Throughput 325 milliseconds
Flexbus Current 20 mA
Thermal Dissipation 10.2 BTU/hour at 31.2 Volts DC maximum

  

 

Information About 1794-IT8

The 1794-IT8 is Flex I/O analog input module. Specifically, this is a Thermocouple and millivolt input module. It comes with Eight (8) analog input channels, compatible for direct interfacing with Thermocouple sensors such as J, K, E, R, N, S, B, C, T and L and millivolt range of +/-76.5m.

The 1794-IT8 is compatible with any available Flex I/O communication adapter.

This module is a compatible on being operated in Temperature application ranges such as 300 to 1800oC (572 to 3272oF) using Type B Thermocouple; 0 to 2315oC (32 to 4199oF) Type C;–230 to 1000oC (–382 to 1832oF) Type E; –195 to 1200oC (–319 to 2192oF) Type J; –230 to 1372oC (–382 to 2502oF) type K; –270 to 1300oC (–450 to 2372oF) Type N; –50 to 1768oC (–58 to 3214oF) Type R; –50 to 1768oC (–58 to 3214oF) Type S; –195 to 400oC (–319 to 752oF) type T; –175 to 800oC (–283 to 1472oF) type L. Milivolt input signals are practically used with transducers and other instruments that produce non-standard signals. Data exchange with the 1794-IT8 Thermocouple input module is configured using the block transfer operation.

Before inserting the 1794-IT8 module on the terminal base, the users should rotate the key switch on the base to Position 3 because this position is required for the safe mounting and operation of the thermocouple/mV module. The Allen-Bradley 1794-IT8 FLEX I/O thermocouple module communicates with PLCs through the block-transferring option. Block transfer programming relies on input signal data words moving between the thermocouple module’s memory and a designated area in the PLC’s data table. Block transfer programming also supports the moving of the configuration words from the PLC data table to the thermocouple module. The Allen-Bradley 1794-IT8 module comes with 2 cold junction compensators that are engineered to be mounted in designated positions on the terminal base unit. The module can accept grounded and ungrounded thermocouples. The nominal input range for the input signals is -7.65 to 7.65 mV. The module is supplied with 24 Volts DC voltage and it has 16-bit input signal resolution. On the front side of the module, there is 1 inserted label with 8 fields reserved for individual input designations. The 1794-IT8 has a normal mode rejection ratio of -60 dB at 60 Hertz, a common mode input range of +/-10 Volts, and a common mode rejection ratio of -115 dB at 60 Hertz and of 100 dB at 50 Hertz.



Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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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 Allen-Bradley 1794-IT8 is a Flex I/O . This module is Thermocouple and millivolt input module that has Eight (8) channels compatible with Thermocouple sensors J, K, E, R, N, S, B, C, T and L sensors and accepts +/-76.5m voltage range. This module has 16-bit resolution and has a FlexBus current draw of 20 mA.

 

Technical Specifications 

 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1794-IT8
Keyswitch Position 3
Module Location 1794-TB2, -TB3 and -TB3T Terminal Base Units
CJC unit A-B Part Number 969424–0
Indicator 1 red/green power status indicator
Data Format 16-bit 2’s complement or offset binary (unipolar)
millivolt signal +/- 76. 5mV
Sensors supported J, K, E, R, N, S, B, C, T and L
No. of Inputs 8
Product Family Flex I/O Modules
Product Type Thermocouple / milivolt Input Module
Resolution 16 bits (2.384 microvolts typical)
Power Dissipation 3W maximum @ 31.2V
Inputs 8 Channels
Nominal Input Ranges -76.5 to 76.5 mV
Isolation Voltage 850 Volts DC
Normal Mode Noise Rejection -60db at 60 Hertz
Channel Bandwidth 0 to 2.62 Hertz
Normal Mode System Throughput 325 milliseconds
Flexbus Current 20 mA
Thermal Dissipation 10.2 BTU/hour at 31.2 Volts DC maximum

  

 

Information About 1794-IT8

The 1794-IT8 is Flex I/O analog input module. Specifically, this is a Thermocouple and millivolt input module. It comes with Eight (8) analog input channels, compatible for direct interfacing with Thermocouple sensors such as J, K, E, R, N, S, B, C, T and L and millivolt range of +/-76.5m.

The 1794-IT8 is compatible with any available Flex I/O communication adapter.

This module is a compatible on being operated in Temperature application ranges such as 300 to 1800oC (572 to 3272oF) using Type B Thermocouple; 0 to 2315oC (32 to 4199oF) Type C;–230 to 1000oC (–382 to 1832oF) Type E; –195 to 1200oC (–319 to 2192oF) Type J; –230 to 1372oC (–382 to 2502oF) type K; –270 to 1300oC (–450 to 2372oF) Type N; –50 to 1768oC (–58 to 3214oF) Type R; –50 to 1768oC (–58 to 3214oF) Type S; –195 to 400oC (–319 to 752oF) type T; –175 to 800oC (–283 to 1472oF) type L. Milivolt input signals are practically used with transducers and other instruments that produce non-standard signals. Data exchange with the 1794-IT8 Thermocouple input module is configured using the block transfer operation.

Before inserting the 1794-IT8 module on the terminal base, the users should rotate the key switch on the base to Position 3 because this position is required for the safe mounting and operation of the thermocouple/mV module. The Allen-Bradley 1794-IT8 FLEX I/O thermocouple module communicates with PLCs through the block-transferring option. Block transfer programming relies on input signal data words moving between the thermocouple module’s memory and a designated area in the PLC’s data table. Block transfer programming also supports the moving of the configuration words from the PLC data table to the thermocouple module. The Allen-Bradley 1794-IT8 module comes with 2 cold junction compensators that are engineered to be mounted in designated positions on the terminal base unit. The module can accept grounded and ungrounded thermocouples. The nominal input range for the input signals is -7.65 to 7.65 mV. The module is supplied with 24 Volts DC voltage and it has 16-bit input signal resolution. On the front side of the module, there is 1 inserted label with 8 fields reserved for individual input designations. The 1794-IT8 has a normal mode rejection ratio of -60 dB at 60 Hertz, a common mode input range of +/-10 Volts, and a common mode rejection ratio of -115 dB at 60 Hertz and of 100 dB at 50 Hertz.



Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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