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1794-IT8
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Product Description
The 1794-IT8 Thermocouple/Millivolt Input Module is an analog thermocouple input module from the Allen-Bradley Flex I/O system. This module provides 8 individually-isolated input channels that accept thermocouple/millivolt inputs, and it supports the B, C, E, J, K, N, R, S, T, and L types of thermocouples.
Other Available Revisions for the 1794-IT8 1794-IT8//A
Common misspellings:
- l794-IT8
- 179A-IT8
- 1794-1T8
- 1794-lT8
- 1794-ITb
- 1794IT8
Technical Specifications for 1794-IT8
| Brand | Allen-Bradley / Rockwell Automation |
|---|---|
| Series | Flex I/O |
| Part number | 1794-IT8 |
| Description | Thermocouple/Millivolt Input Module |
| FlexBus Current | 40 milliamps |
| Voltage Rating | 24 Volts DC (Nominal) |
| Number of Inputs | 8 Inputs |
| Input Type | Thermocouple/Millivolt Inputs |
| Group Isolation | Yes |
| LEDs | 1 Green Power and 8 Red Open Input LEDs |
| Module Location | 1794-TB3G, 1794-TB3GS, 1794-TB3GK Terminal Base Units |
| Enclosure | Open Style |
| Dimensions | 3.7 x 3.7 x 2.7 Inches |
About 1794-IT8
The Allen-Bradley 1794-IT8 Thermocouple/Millivolt Input Module is an analog thermocouple input module from the Allen-Bradley/Rockwell Automation Flex I/O system. The Allen-Bradley Flex I/O system is a compact, modular I/O system for distributed applications that can perform any or all of the functions of a common rack-based I/O system. A typical Flex I/O system comprises a terminal base with terminal strips for terminating the wiring inputs, an adapter/power supply module which supplies to the internal logic operation power for as many as 8 I/O modules, and the I/O modules themselves which perform specific functions related to the users’ applications. The 1794-IT8 Module’s power comes from the system adapter/power supply and it has an operating voltage range of 19.2 to 31.2 Volts DC (24 Volts DC nominal) and a maximum current rating of 150 milliamps at 24 Volts DC input voltage.
The 1794-IT8 Module has 8 individually isolated input channels with a 76.5-milliVolt nominal input voltage rating and 16 bits of input resolution. This module supports the B, C, E, J, K, N, R, S, T, and L types of thermocouples. The 1794-IT8 Module comes with 2 factory-supplied cold junction compensators which provide cold junction compensation on the inputs and which are designed to be mounted on terminal bases like the 1794-TB3T base. The 1794-IT8 Module receives analog input signals from external input devices such as temperature sensors, scales the signals by using fixed digital filters, and then converts these signals into a binary format for storage and transmission to the controller. The 1794-IT8 Module has a maximum filtering accuracy of 0.025% of the full-scale range at +0.5 degrees Celsius and a maximum throughput time of 325 milliseconds per channel.
The 1794-IT8 Thermocouple/Millivolt Input Module is an analog thermocouple input module from the Allen-Bradley Flex I/O system. This module provides 8 individually-isolated input channels that accept thermocouple/millivolt inputs, and it supports the B, C, E, J, K, N, R, S, T, and L types of thermocouples.
F.A.Q for 1794-IT8
