1771-IFE | Allen-Bradley | PLC-5 Analog Input Module

Description

The 1771-IFE is an analog input module for the PLC-5 system, supporting 16 single-ended or 8 differential input channels. It accommodates voltage and current signal ranges from 1 to 5V dc to 20 to +20mA. This module is used with block transfer instructions (BTW, BTR) for analog data exchange.

General Information

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number: 1771-IFE
• Module Type: Analog Input
• Chassis Compatibility: Any 1771 I/O chassis
• Channel Type: 8 Differential or 16 Single-Ended
• Data Format: Natural Binary or BCD Scaling to +/- 9999

Specifications

• Channel Update Time (8 channels): 18 ms
• Channel Update Time (16 channels): 36 ms
• Resolution: 12-bit binary, 12 bits plus sign on bipolar ranges
• Accuracy: 0.1% of full scale @ 25°C
• External Power Required: No
• Internal Scan Rate (8 differential inputs): 12.5 ms (without filtering), +2.12 ms (with filtering)
• Internal Scan Rate (16 single-ended inputs): 25 ms (without filtering), +4.24 ms (with filtering)
• Voltage Range: -10 to 10 Volts DC
• Current Range: -20 to 20 mA
• Wiring Arm: 1771-WG
• Typical DC Signal Delay (On): 10 ms
• Typical DC Signal Delay (Off): 20 ms
• Typical AC Signal Delay (Off): 24 ms
• Backplane Current: 750 mA
• Mounting: Rack Mountable
• Slot Width: 1 Slot

Performance

• Power Dissipation: 2.5 Watts
• Thermal Dissipation: 8.52 BTU/hour
• Fault Response: Configurable to respond automatically to communication faults
• Indicator Lights: Green RUN, Red FAULT
• Optoelectrical Isolation: Protects from electrical transients
• Input Filtering: Reduces electrical noise

Applications

The 1771-IFE is ideal for process measurement applications such as Temperature, Pressure, Level, Flow, pH, Viscosity, and Vibration. It is used to convert various process variable signals into proportional PLC data values, suitable for monitoring and control.

Dimensions

• Width: 3.0 inches (76 mm)
• Height: 5.0 inches (127 mm)
• Depth: 8.0 inches (203 mm)

Certifications

• Certifications: UL Listed, CSA certified, CE compliant