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The Allen-Bradley 1794-IF4I is a high-performance analog input module designed for the FLEX I/O system. This module provides four isolated analog input channels, offering 16-bit resolution for precise signal monitoring in industrial automation environments. It is engineered to support various voltage and current input configurations, ensuring reliable data acquisition across diverse control applications.
| Module Type | Isolated Analog Input Module |
| Input Channels | 4 Isolated |
| Resolution | 16 bits |
| Input Voltage Range | +/- 10V |
| External DC Supply | 24V DC nominal |
| FlexBus Current | 50mA |
| Isolation Voltage | 120V continuous |
| Power Dissipation | 2.0 W max @ 31.2V DC |
| Thermal Dissipation | 6.8 BTU/hr max @ 31.2V DC |
| Operating Temperature | 0 to 55 degC (32 to 131 degF) |
| Storage Temperature | -40 to 85 degC (-40 to 185 degF) |
| Vibration | 5g @ 10 to 500 Hz |
| Operating Shock | 30 g |
The 1794-IF4I is an isolated analog input module used within the Allen-Bradley FLEX I/O system to convert analog signals from field devices into digital data for processing by a PLC or controller.
Yes, the module requires a nominal 24V DC external power supply to operate the analog input circuitry.
Yes, the 1794-IF4I features four isolated input channels, which help prevent ground loops and protect the module from voltage spikes in the field wiring.