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1794-IT8 | Allen-Bradley 8-Channel Flex I/O Thermocouple and Millivolt Input Module
- Regular price
- $805.00
- Sale price
- $805.00
- Regular price
-
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Product Description P/N: 1794-IT8
Description
The Allen-Bradley 1794-IT8 is an eight-channel thermocouple and millivolt input module designed for precise temperature and low-level signal monitoring. It supports a wide range of thermocouple types and offers high-resolution measurement capabilities for industrial applications. This module is suitable for processes requiring accurate temperature acquisition using the Flex I/O platform.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs and Accessories |
| Part Number | 1794-IT8 |
| Subcategory | PLC Input Modules |
| Number of Inputs | 8 thermocouple/mV channels |
| Supported Sensors | J, K, E, R, N, S, B, C, T, L |
| Input Range | –76.5 to +76.5 mV |
| Resolution | 16-bit (2.384 μV typical) |
| Data Format | 16-bit 2’s complement or offset binary |
| Isolation Voltage | 850 VDC |
| Normal Mode Noise Rejection | –60 dB @ 60 Hz |
| System Throughput | 325 ms |
| Channel Bandwidth | 0–2.62 Hz |
| CJC Units | Part number 969424-0 |
| FlexBus Current Draw | 20 mA |
| Power Dissipation | 3 W max @ 31.2 VDC |
| Module Location | 1794-TB2, -TB3, -TB3T terminal bases |
| Indicator | Red/green power status LED |
| Nominal Input Range | –7.65 to +7.65 mV (thermocouple CJC range) |
| Thermal Dissipation | 10.2 BTU/hr |
| Weight | 0.25 lb |
Information About 1794-IT8
The 1794-IT8 is a Flex I/O thermocouple and millivolt input module designed for direct connection to industry-standard temperature sensors. It is part of the Flex I/O series, enabling modular installation with 1794 terminal base units and communication adapters. The module supports multiple thermocouple types and millivolt ranges, making it suitable for diverse temperature measurement environments. Built-in features such as cold junction compensation and noise rejection technology ensure stable and reliable sensor input performance.
Key Features:
- Eight Analog Input Channels: Supports thermocouple and millivolt signals across a broad range of sensor types.
- Wide Sensor Compatibility: Accepts J, K, E, R, N, S, B, C, T, and L thermocouples for flexible temperature monitoring.
- High-Resolution Conversion: Provides 16-bit data acquisition for detailed and accurate signal measurement.
- Cold Junction Compensation: Integrated CJC units maintain accurate thermocouple readings across temperature variations.
- Noise Rejection: Normal mode noise rejection of –60 dB at 60 Hz ensures stable measurements in electrically noisy environments.
- Flex I/O Integration: Mounts on 1794 terminal bases and operates with any Flex I/O adapter for scalable system design.
- Millivolt Input Capability: Accepts ±76.5 mV signals for interfacing with low-level transducers and specialty sensors.
- Status Indication: Includes a red/green LED indicator to show power and module status at a glance.
The 1794-IT8 delivers the reliability and precision required for industrial temperature monitoring and millivolt signal acquisition.
Description
The Allen-Bradley 1794-IT8 is an eight-channel thermocouple and millivolt input module designed for precise temperature and low-level signal monitoring. It supports a wide range of thermocouple types and offers high-resolution measurement capabilities for industrial applications. This module is suitable for processes requiring accurate temperature acquisition using the Flex I/O platform.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs and Accessories |
| Part Number | 1794-IT8 |
| Subcategory | PLC Input Modules |
| Number of Inputs | 8 thermocouple/mV channels |
| Supported Sensors | J, K, E, R, N, S, B, C, T, L |
| Input Range | –76.5 to +76.5 mV |
| Resolution | 16-bit (2.384 μV typical) |
| Data Format | 16-bit 2’s complement or offset binary |
| Isolation Voltage | 850 VDC |
| Normal Mode Noise Rejection | –60 dB @ 60 Hz |
| System Throughput | 325 ms |
| Channel Bandwidth | 0–2.62 Hz |
| CJC Units | Part number 969424-0 |
| FlexBus Current Draw | 20 mA |
| Power Dissipation | 3 W max @ 31.2 VDC |
| Module Location | 1794-TB2, -TB3, -TB3T terminal bases |
| Indicator | Red/green power status LED |
| Nominal Input Range | –7.65 to +7.65 mV (thermocouple CJC range) |
| Thermal Dissipation | 10.2 BTU/hr |
| Weight | 0.25 lb |
Information About 1794-IT8
The 1794-IT8 is a Flex I/O thermocouple and millivolt input module designed for direct connection to industry-standard temperature sensors. It is part of the Flex I/O series, enabling modular installation with 1794 terminal base units and communication adapters. The module supports multiple thermocouple types and millivolt ranges, making it suitable for diverse temperature measurement environments. Built-in features such as cold junction compensation and noise rejection technology ensure stable and reliable sensor input performance.
Key Features:
- Eight Analog Input Channels: Supports thermocouple and millivolt signals across a broad range of sensor types.
- Wide Sensor Compatibility: Accepts J, K, E, R, N, S, B, C, T, and L thermocouples for flexible temperature monitoring.
- High-Resolution Conversion: Provides 16-bit data acquisition for detailed and accurate signal measurement.
- Cold Junction Compensation: Integrated CJC units maintain accurate thermocouple readings across temperature variations.
- Noise Rejection: Normal mode noise rejection of –60 dB at 60 Hz ensures stable measurements in electrically noisy environments.
- Flex I/O Integration: Mounts on 1794 terminal bases and operates with any Flex I/O adapter for scalable system design.
- Millivolt Input Capability: Accepts ±76.5 mV signals for interfacing with low-level transducers and specialty sensors.
- Status Indication: Includes a red/green LED indicator to show power and module status at a glance.
The 1794-IT8 delivers the reliability and precision required for industrial temperature monitoring and millivolt signal acquisition.