1794-IR8 | Allen-Bradley FLEX I/O RTD Input Module, 8 RTD Inputs
1794-IR8 | Allen-Bradley FLEX I/O RTD Input Module, 8 RTD Inputs
Part #: 1794-IR8 Manufactured by: Allen-Bradley

1794-IR8 | Allen-Bradley FLEX I/O RTD Input Module, 8 RTD Inputs

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Product Overview
The Allen-Bradley 1794-IR8 Flex I/O RTD Module has 8 Channels Inputs, a 1 to 433 ohms Nominal Input Ranges, and a 16 bits ...  Read more
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Warranty for item #: 1794-IR8
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
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1794-IR8 | Allen-Bradley FLEX I/O RTD Input Module, 8 RTD Inputs
    1794-IR8 | Allen-Bradley FLEX I/O RTD Input Module, 8 RTD Inputs
1794-IR8 | Allen-Bradley FLEX I/O RTD Input Module, 8 RTD Inputs
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Product Description P/N: 1794-IR8

Description / Specifications

Description 

The Allen-Bradley 1794-IR8 Flex I/O RTD Module has 8 Channels Inputs, a 1 to 433 ohms Nominal Input Ranges, and a 16 bits Resolution. It also operates with a -60db at 60 Hertz Normal Mode Noise Rejection and a 0-2.62 Hertz Channel Bandwidth.

 

Technical Specifications 

 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1794-IR8
System Throughput Normal Mode: Programmable from 28ms/channel to 325ms/channel 325ms (1 channel scanned) 2.6s (8 channels scanned) - default Enhanced Mode: Programmable from 56ms/channel to 650ms/channel 650ms (1 channel scanned) - default 2.925s (8 channels scanned)
Data Format 16-bit 2's complement or offset binary (unipolar)
Accuracy Without calibration, at low humidity: Normal mode: 0.05% full scale (max) Enh. mode: 0.01% full scale (typical)
RTD Excitation Current 718.36 A
Sensors supported 100 ? Pt ? = 0.00385 Euro (-200…+870 °C) 100 ? Pt ? = 0.003916 U.S. (-200…+630 °C) 200 ? Pt ? = 0.00385 Euro (- 200…+630 °C) 500 ? Pt ? = 0.00385 U.S. (-200…+630 °C) 100 ? Nickel ? = 0.00618 (-60…+250 °C) 120 ? Nickel ? = 0.00672 (-60…+250 °C) 200 ? Nickel ? = 0.00618 (-60…+250 °C) 500 ? Nickel ? = 0.00618 (-60…+250 °C) 10 ? Copper ? = 0.00427 (- 200…+260 °C).
Terminal base 1794-TB2, 1794-TB3 and 1794-TB3T
Number of Inputs 8
Product Description Flex IO 8-Channel RTD Input Module
Mounting DIN Rail
Wire Size Determined by installed terminal base
Operating Temperature 0 to 55 C (32 to 131 F)
Storage Temperature –40…85 °C (–40…185 °F)
Resolution 16 bits across 435 ohms
Vibration 5g @ 10 to 500 Hz
Operating Shock 30 g
Product Type Flex I/O RTD Module
Nominal Input Ranges 1 to 433 ohms
Isolation Voltage 850 Volts DC
Normal Mode Noise Rejection -60 DB at 60 Hertz
Channel Bandwidth 0 to 2.62 Hertz
Normal Mode System Throughput 325 milliseconds
Flexbus Current 20mA
Power Dissipation 3 Watts at 31.2 Volts DC maximum
Thermal Dissipation 10.2 BTU/hour at 31.2 Volts DC maximum

  

 

Information About 1794-IR8

The Allen-Bradley 1794-IR8 is a Flex I/O analog input module, Specifically, this module is a Resistance Temperature Detector (RTD) that is particularly used in temperature applications.

The 1794-IR8 has Eight (8) RTD channels, each channels supporting 1 to 433 ohms input ranges. It is compatible with RTD sensors such as 100? Pt ? = 0.00385 Euro (-200 to +870°C) 100? Pt ? = 0.003916 U.S. (-200 to +630°C) 200? Pt ? = 0.00385 Euro (-200 to +400°C) 500? Pt ? = 0.00385 Euro (-200 to +630°C) 100? Nickel ? = 0.00618 (-60 to +250°C) 120? Nickel ? = 0.00672 (-60 to +250°C) 200? Nickel ? = 0.00618 (-60 to +250°C) 500? Nickel ? = 0.00618 (-60 to +250°C) and 10? Copper ? = 0.00427 (-200 to +260°C).

The 1794-IR8 has an RTD excitation current of 718.36?A.It has a resolution of 16 bits across 435 ohms and accuracy of 0.05% full scale in normal mode and 0.01% full scale in enhanced mode. The module converts the analog data into digital format and stores it to a 16-bit register with data format of 16-bit 2’s complement or offset binary (unipolar). The module has system throughput of 325ms (1 channel scanned), programmable to 28ms 2.6s (8 channels scanned), programmable to 224ms under normal mode and programmable from 56 to 650ms/channel - 650ms (1 channel scanned), 2.925s (8 channels scanned) in enhanced mode.

The 1794-IR8 has a power dissipation of 3.0W maximum @ 31.2V dc and Thermal Dissipation of 10.2 BTU/hr @ 31.2V dc, The module requires a FlexBus current of 20mA.

This module has a 16-bit resolution across 435 Ohms. Its supports RTD sensors such as 100 Ohms Pt α = 0.00385 Euro (-200 to 870 degrees Celsius), 100 Ohms Pt α = 0.003916 U.S. (-200 to 630 degrees Celsius), 200 Ohms Pt α = 0.00385 Euro (-200 to 400 degrees Celsius), 500 Ohms Pt α = 0.00385 Euro (-200 to 630 degrees Celsius), 100 Ohms Nickel α = 0.00618 (-60 to 250 degrees Celsius), 120 Ohms Nickel α = 0.00672 (-60 to 250 degrees Celsius), 200 Ohms Nickel α = 0.00618 (-60 to 250 degrees Celsius), 500 Ohms Nickel α = 0.00618 (-60 to 250 degrees Celsius), and 10 Ohms Copper α = 0.00427 (-200 to 260 degrees Celsius).

The 1794-IR8’s RTD excitation current is 718.36 µAmps. It comes with an accuracy of 0.05% full scale, which is the maximum in the normal mode, and 0.01% full scale, which is typical in the enhanced mode at low humidity without calibration. It has 0 Volts common mode input range and a common mode rejection of -120 dB at 60 Hertz and -100 dB at 50 Hertz with A/D filter cutoff at 10 Hertz. The normal mode rejection ratio of the terminal is -60 dB at 60 Hertz for A/D filter cutoff at 10 Hertz. The 1794-IR8 module also has a channel bandwidth of 0 to 2.62 Hertz or -3 dB, a maximum power dissipation of 3 Watts at 31.2 Volts DC, and a thermal dissipation of 10.2 BTU/hour, also at 31.2 Volts DC. The 1794-IR8’s cold junction compensation range is from -20 to 100 degrees Celsius. The 1794-IR8 has a signal input range of 1 to 433 Ohms and an overvoltage capacity of 35 Volts DC and 25 Volts AC, which is continuous at 25 degrees Celsius. Its isolation voltage has been tested for 60 seconds at 707 Volts DC from the inputs and user power to the logic side. The 1794-IR8 module has a current certification of 140 mA, a current specification of 150 mA at 24 Volts DC, and voltage specifications of 24 Volts DC nominal, 19.2 to 31.2 Volts DC that includes the 5% AC ripple and for ambient temperatures of less than 40 degrees Celsius, and 24 Volts DC maximum for ambient temperatures that are equal to 55 degrees Celsius.



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 Allen-Bradley 1794-IR8 Flex I/O RTD Module has 8 Channels Inputs, a 1 to 433 ohms Nominal Input Ranges, and a 16 bits Resolution. It also operates with a -60db at 60 Hertz Normal Mode Noise Rejection and a 0-2.62 Hertz Channel Bandwidth.

 

Technical Specifications 

 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1794-IR8
System Throughput Normal Mode: Programmable from 28ms/channel to 325ms/channel 325ms (1 channel scanned) 2.6s (8 channels scanned) - default Enhanced Mode: Programmable from 56ms/channel to 650ms/channel 650ms (1 channel scanned) - default 2.925s (8 channels scanned)
Data Format 16-bit 2's complement or offset binary (unipolar)
Accuracy Without calibration, at low humidity: Normal mode: 0.05% full scale (max) Enh. mode: 0.01% full scale (typical)
RTD Excitation Current 718.36 A
Sensors supported 100 ? Pt ? = 0.00385 Euro (-200…+870 °C) 100 ? Pt ? = 0.003916 U.S. (-200…+630 °C) 200 ? Pt ? = 0.00385 Euro (- 200…+630 °C) 500 ? Pt ? = 0.00385 U.S. (-200…+630 °C) 100 ? Nickel ? = 0.00618 (-60…+250 °C) 120 ? Nickel ? = 0.00672 (-60…+250 °C) 200 ? Nickel ? = 0.00618 (-60…+250 °C) 500 ? Nickel ? = 0.00618 (-60…+250 °C) 10 ? Copper ? = 0.00427 (- 200…+260 °C).
Terminal base 1794-TB2, 1794-TB3 and 1794-TB3T
Number of Inputs 8
Product Description Flex IO 8-Channel RTD Input Module
Mounting DIN Rail
Wire Size Determined by installed terminal base
Operating Temperature 0 to 55 C (32 to 131 F)
Storage Temperature –40…85 °C (–40…185 °F)
Resolution 16 bits across 435 ohms
Vibration 5g @ 10 to 500 Hz
Operating Shock 30 g
Product Type Flex I/O RTD Module
Nominal Input Ranges 1 to 433 ohms
Isolation Voltage 850 Volts DC
Normal Mode Noise Rejection -60 DB at 60 Hertz
Channel Bandwidth 0 to 2.62 Hertz
Normal Mode System Throughput 325 milliseconds
Flexbus Current 20mA
Power Dissipation 3 Watts at 31.2 Volts DC maximum
Thermal Dissipation 10.2 BTU/hour at 31.2 Volts DC maximum

  

 

Information About 1794-IR8

The Allen-Bradley 1794-IR8 is a Flex I/O analog input module, Specifically, this module is a Resistance Temperature Detector (RTD) that is particularly used in temperature applications.

The 1794-IR8 has Eight (8) RTD channels, each channels supporting 1 to 433 ohms input ranges. It is compatible with RTD sensors such as 100? Pt ? = 0.00385 Euro (-200 to +870°C) 100? Pt ? = 0.003916 U.S. (-200 to +630°C) 200? Pt ? = 0.00385 Euro (-200 to +400°C) 500? Pt ? = 0.00385 Euro (-200 to +630°C) 100? Nickel ? = 0.00618 (-60 to +250°C) 120? Nickel ? = 0.00672 (-60 to +250°C) 200? Nickel ? = 0.00618 (-60 to +250°C) 500? Nickel ? = 0.00618 (-60 to +250°C) and 10? Copper ? = 0.00427 (-200 to +260°C).

The 1794-IR8 has an RTD excitation current of 718.36?A.It has a resolution of 16 bits across 435 ohms and accuracy of 0.05% full scale in normal mode and 0.01% full scale in enhanced mode. The module converts the analog data into digital format and stores it to a 16-bit register with data format of 16-bit 2’s complement or offset binary (unipolar). The module has system throughput of 325ms (1 channel scanned), programmable to 28ms 2.6s (8 channels scanned), programmable to 224ms under normal mode and programmable from 56 to 650ms/channel - 650ms (1 channel scanned), 2.925s (8 channels scanned) in enhanced mode.

The 1794-IR8 has a power dissipation of 3.0W maximum @ 31.2V dc and Thermal Dissipation of 10.2 BTU/hr @ 31.2V dc, The module requires a FlexBus current of 20mA.

This module has a 16-bit resolution across 435 Ohms. Its supports RTD sensors such as 100 Ohms Pt α = 0.00385 Euro (-200 to 870 degrees Celsius), 100 Ohms Pt α = 0.003916 U.S. (-200 to 630 degrees Celsius), 200 Ohms Pt α = 0.00385 Euro (-200 to 400 degrees Celsius), 500 Ohms Pt α = 0.00385 Euro (-200 to 630 degrees Celsius), 100 Ohms Nickel α = 0.00618 (-60 to 250 degrees Celsius), 120 Ohms Nickel α = 0.00672 (-60 to 250 degrees Celsius), 200 Ohms Nickel α = 0.00618 (-60 to 250 degrees Celsius), 500 Ohms Nickel α = 0.00618 (-60 to 250 degrees Celsius), and 10 Ohms Copper α = 0.00427 (-200 to 260 degrees Celsius).

The 1794-IR8’s RTD excitation current is 718.36 µAmps. It comes with an accuracy of 0.05% full scale, which is the maximum in the normal mode, and 0.01% full scale, which is typical in the enhanced mode at low humidity without calibration. It has 0 Volts common mode input range and a common mode rejection of -120 dB at 60 Hertz and -100 dB at 50 Hertz with A/D filter cutoff at 10 Hertz. The normal mode rejection ratio of the terminal is -60 dB at 60 Hertz for A/D filter cutoff at 10 Hertz. The 1794-IR8 module also has a channel bandwidth of 0 to 2.62 Hertz or -3 dB, a maximum power dissipation of 3 Watts at 31.2 Volts DC, and a thermal dissipation of 10.2 BTU/hour, also at 31.2 Volts DC. The 1794-IR8’s cold junction compensation range is from -20 to 100 degrees Celsius. The 1794-IR8 has a signal input range of 1 to 433 Ohms and an overvoltage capacity of 35 Volts DC and 25 Volts AC, which is continuous at 25 degrees Celsius. Its isolation voltage has been tested for 60 seconds at 707 Volts DC from the inputs and user power to the logic side. The 1794-IR8 module has a current certification of 140 mA, a current specification of 150 mA at 24 Volts DC, and voltage specifications of 24 Volts DC nominal, 19.2 to 31.2 Volts DC that includes the 5% AC ripple and for ambient temperatures of less than 40 degrees Celsius, and 24 Volts DC maximum for ambient temperatures that are equal to 55 degrees Celsius.



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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