Expert Procurement & Installation Guide for the 1771-IFMS
The 1771-IFMS module provides eight differential low-level inputs for precise signal acquisition in hazardous environments. This module accepts a voltage range of 0-50 mV and delivers exceptional accuracy for critical measurements.
Procurement managers value this module for its reliable conversion with 12-bit binary resolution. The device offers an accuracy of 0.1% of range at 25 °C. This ensures dependable data collection for demanding industrial processes.
Installation Steps for the 1771-IFMS Module

Engineers must mount this module in a compatible 1771 rack. The 1771-IFMS does not support removal or insertion under power. Always power down the PLC5 system completely before installation.
Use the 1771-WG wiring arm for all field connections. Prepare solid or stranded copper wire sized from 22 to 14 AWG. Ensure the insulation rating is at least 75 °C for safety.
Terminate each wire with a torque setting between 0.8 and 1.0 Nm. This prevents loose connections and ensures signal integrity. The module's input impedance is 1 megaohm for minimal signal loading.

Application and Performance Specifications
This module operates effectively within a temperature range of 0 to 60 °C. It handles relative humidity from 5 to 95% without condensation. The device can withstand operating shock of 15 G.
Signal processing uses a monotonic A/D converter with no missing codes. The module scans all eight channels in 14.5 milliseconds. This fast update rate supports real-time process control applications.
Logistics & Standard Packaging Details

- Each shipment includes one Allen-Bradley 1771-IFMS analog input module
- The package contains one 1771-WG wiring arm for field connections
- Standard packaging includes protective anti-static materials
- Express delivery shipping is available via FedEx, UPS, and DHL

