Description
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Part Number: 1771-IFMS
- Product Line: PLC-5 Universal I/O System
- Number of Inputs: 8 Differential Channels
- Input Ranges: 4-20mA, 0-20mA, 1-5V DC, 0-5V DC, 0-10V DC, ±10V DC
- Resolution: 12-Bit Binary
- Update Rate: Fast-sampling (Sub-millisecond conversion per channel)
- Input Impedance: 250 Ohms (Current) / 10 Megohms (Voltage)
- Backplane Current: 1.2A @ 5V DC
- Isolation: 1500V RMS Field-to-Backplane
- Compatible Wiring Arm: 1771-WG
- Operating Temperature: 0°C to 60°C (32°F to 140°F)

Allen Bradley 1771-IFMS

Allen Bradley 1771-IFMS

Allen Bradley 1771-IFMS
The ALLEN-BRADLEY 1771-IFMS is a specialized high-speed analog input module engineered for the PLC-5 platform to handle rapidly changing process signals that require immediate controller response. By providing significantly faster update rates than standard analog modules, it is ideal for demanding applications such as turbine control, high-speed motion feedback, and precision pressure monitoring. The module’s differential input design ensures superior noise rejection, maintaining data integrity even in electrically noisy industrial environments where signal accuracy is paramount.
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