The Allen Bradley 1771-IFE Analog Input Module is a versatile, high-resolution input device designed for PLC-5 control systems. Supporting both voltage and current signals, it ensures precise analog-to-digital conversion for critical process monitoring applications such as temperature, pressure, flow, and level measurement.
Technical Specifications
Parameter
Details
Model Number
1771-IFE
Manufacturer
Allen Bradley (Rockwell Automation)
Product Type
Analog Input Module
Product Range
PLC-5 Series
Condition
Brand New
Availability
In Stock
Minimum Order Quantity
1
Weight
0.6 kg
Dimensions
2.9 × 19.3 × 25.4 cm
Origin
USA
System Compatibility
PLC
HS Code
8537101190
Lifecycle Status
Active
Resolution
16-bit (12-bit + sign)
Input Channels
16 single-ended or 8 differential
Signal Types
Voltage (±10 V DC), Current (±20 mA)
Sampling Rate
8 ms (8 channels), 36 ms (16 channels)
Power Requirements
750 mA backplane current, 2.5 W dissipation
Indicators
RUN (green), FAULT (red) LEDs
Wiring Arm
1771-WG for easy replacement
Certifications
CSA, CE
Functional Highlights
Converts analog signals into scaled digital values for PLC data tables.
Supports flexible signal ranges (1–5 V, 4–20 mA, etc.).
Optically isolated circuits and digital filtering ensure noise immunity.
Configurable sampling rates minimize signal fluctuations.
User-defined fault responses enhance system safety.
Keying bands prevent incorrect installation in the I/O chassis.
Bidirectional block transfer communication with PLC-5 processors.
Compatible with all PLC-5 chassis for legacy system upgrades.
Application Scenarios
Industrial automation and process control.
Monitoring variables such as pH, vibration, displacement, temperature, and pressure.
Power generation, oil & gas, and manufacturing industries.
Legacy system upgrades requiring robust and reliable analog input solutions.
FAQ
Q: How many input channels does the 1771-IFE support? A: 16 single-ended or 8 differential inputs.
Q: What signal ranges are supported? A: Voltage (±10 V DC) and current (±20 mA), with flexible ranges like 1–5 V and 4–20 mA.
Q: Is the module compatible with all PLC-5 chassis? A: Yes, it is fully compatible with all PLC-5 I/O chassis.
