Versatile Allen-bradley 1771-ife Analog Input Module Series [DRg5ckol]

Versatile Allen-bradley 1771-ife Analog Input Module Series [DRg5ckol]

The Allen-Bradley 1771-IFE is an analog input module designed for the 1771 I/O rack. It provides high-accuracy voltage and current input readings, making it ideal for industrial automation and process control applications.

Key Specifications

General Information

• Inputs per module:
  • 16 single-ended
  • 8 differential low-level
• Module Location: 1771 I/O rack (1-slot module)

Input Ranges

• Voltage (nominal):
  • +1 to +5V DC
  • 0 to +5V DC
  • -5 to +5V DC
  • -10 to +10V DC
  • 0 to +10V DC
• Current (nominal):
  • +4 to +20mA
  • 0 to +20mA
  • -20 to +20mA

Performance

• Resolution: 12-bit binary (12 bits + sign for bipolar ranges)
• Accuracy: 0.1% of full-scale range @ 25°C
• Linearity: ±1 LSB
• Repeatability: ±1 LSB
• Common Mode Rejection: 80 dB (DC - 120 Hz)
• Common Mode Voltage: +14.25V

Protection & Isolation

• Input Overvoltage Protection:
  • 200V (voltage mode)
  • 8V (current mode)
• Input Overcurrent Protection: 30mA
• Isolation Voltage: Meets UL Standard 508 and CSA Standard C22.2 No. 142

Power Requirements

• Current Draw: 500mA @ +5V from I/O chassis backplane
• Power Dissipation: 2.5W max
• Thermal Dissipation: 8.52 BTU/hr max

Data Output to Processor

• Unscaled BCD/Binary Output:
  • 0000 to +4095 for polar ranges (0-5V, +1 to +5V, 0-20mA, +4 to +20mA)
  • -4095 to +4095 for bipolar ranges (-5V to +5V, -10V to +10V, -20mA to +20mA)
• Engineering Units (Selectable Scaling): +9999 to -9999

Internal Scan Rate

• 8 differential inputs: 13.7ms (without filtering)
• 16 single-ended inputs: 27.4ms (without filtering)
• Additional filtering time: 0.3ms

Environmental Specifications

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Relative Humidity (Operating): 5% to 95% (non-condensing)
• Relative Humidity (Storage): 5% to 85% (non-condensing)

Installation & Wiring

• Conductor Size: 14 AWG (2mm²) stranded max
• Insulation Thickness: 3/64 inch (1.2mm) max
• Field Wiring Arm: 1771-WG
• Field Wiring Screw Torque: 7-9 in-lbs
• Keying Positions: Between 10 & 12, and 24 & 26