Details

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• 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 +5V dc
  -10 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 @ 25?C

• Linearity: +1 LSB

• Repeatability: +1 LSB

• Isolation Voltage: +1500V, (transient)

• Input overvoltage protection: 200V (voltage mode)?, 8V (current mode)?

• Input overcurrent protection (current ranges): 30mA

• Common mode voltage: +14.25 Volts

• Input impedance: 100 Megohms for voltage ranges; 250 ohms for current ranges

• Common mode rejection: 80 db, DC-120 Hz

• Current Requirements: 0.75A @ +5V from I/O chassis backplane

• Power Dissipation: 3.75 Watts (maximum)

• Thermal Dissipation: 12.8 BTU/hr (maximum)

• Unscaled BCD and binary output to processor:
  1000 to +4095₁₀ for polar ranges (0 to 5V, +1 to +5V, 0 to +20mA, and +4 to +20mA)
  -4095₁₀ to 4095₁₀ for bipolar ranges (?5V, ?10V, ?20mA)

• Engineering units sent to processor: +999910 with selectable scaling

• Internal scan rate: 
  12.5 ms for 8 differential inputs (no digital filtering) -add 2.12ms for filtering
  25 ms for 16 single-ended input (no digital filtering) -add 4.24 for filtering

• Environmental conditions:
  Operational temperature: 0 to 60?C (32 to 140?F)
  Storage temperature: -40 to 85?C (-40 to 185?F)
  Relative humidity: 5 to 95% (without condensation)

• Conductors:
  Wiring: 14 gauge stranded (max.); 3/64 inch insulation (max.)
  Category: Category 2?

• Keying: between 10 and 12; between 24 and 26

• Field Wiring Arm Screw Torque: 7 9 inch pounds