1771-IFE | Allen-Bradley Analog Input Module

1771-IFE, Analog Input Module Specifications

General Specifications:

• Inputs per module: 16 single-ended; 8 differential low level
• Module Location: 1771 I/O rack - 1 slot
• Input voltage ranges (nominal):
  • ±1 to ±5V dc
  • 0 to ±5V dc
  • ±5 to ±10V dc
  • 0 to ±10V dc
• Input current ranges (nominal):
  • ±4 to ±20mA
  • 0 to ±20mA
  • 20 to ±20mA
• Resolution: 12-bit binary; 12 bits plus sign on bipolar ranges
• Accuracy: 0.1% of full scale range @ 25ºC
• Linearity: ±1 LSB
• Repeatability: ±1 LSB
• Isolation Voltage: Isolation meets or exceeds UL Standard 508, and CSA Standard C22.2 No. 142
• Input overvoltage protection:
  • 200V (voltage mode)
  • 8V (current mode)
• Input overcurrent protection (current ranges): 30mA
• Common mode voltage: ±14.25 Volts
• Common mode rejection: 80 db, dc-120 Hz
• Current Requirements: 500mA @ +5V from I/O chassis backplane
• Power Dissipation: 2.5 Watts (maximum)

Additional Specifications:

• Thermal Dissipation: 8.52 BTU/hr (maximum)
• Unscaled BCD and binary output to processor:
  • 0000 to ±4095 for polar ranges (0 to 5V, ±1 to ±5V, 0 to ±20mA, and ±4 to ±20mA)
  • -4095 to 4095 for bipolar ranges (±5V, ±10V, ±20mA)
• Engineering units sent to processor: ±9999.9 with selectable scaling
• Internal scan rate:
  • 13.7 ms for 8 differential inputs (no digital filtering) – add 0.3ms for filtering
  • 27.4 ms for 16 single-ended input (no digital filtering) – add 0.3ms for filtering
• Environmental conditions:
  • Operational temperature: 0 to 60ºC (32 to 140ºF)
  • Storage temperature: -40 to 85ºC (-40 to 185ºF)
  • Relative humidity:
    • Operating: 5 to 95% (without condensation)
    • Storage: 5 to 85% (without condensation)
• Conductors Wiring: 14 gauge (2mm²) stranded (max.); 3/64 inch (1.2mm) insulation (max.) Category 2
• Keying: Between 10 and 12; Between 24 and 26
• Wiring Arm Catalog Number: 1771-WG
• Field Wiring Arm Screw Torque: 7-9 inch-pounds
• Weight : 0.45kg