Overview

Specifications

Power Requirements

• Operating Voltage:
  • 5 VDC (±5%)
  • +15 VDC (-2.5%, +5%)
  • -15 VDC (-5%, +2.5%)
  • +24 VDC (±10%) (supplied via P3 connector from termination unit)
• Overvoltage Category:
  • Category II (per IEC 61010-1)
  • Category I for circuits above 150 V
  • Category II for circuits below 150 V

Digital Inputs/Outputs

• Digital Inputs:
  • 3, optically isolated
• Digital Outputs:
  • 4, open collector, optically isolated
  • Off output voltage: 24 VDC (±10%) or 48 VDC (±10%)
  • On output voltage: 1.5 VDC maximum
  • Off output current: 10 µA maximum
  • On output current:
    • 250 mA maximum at 24 VDC
    • 125 mA maximum at 48 VDC

Analog Inputs/Outputs

• Analog Inputs:

  • 4, 1-5 VDC (differential/single-ended) or 4-20 mA
  • Termination unit configured: 1 powered or unpowered current (4-20 mA)
  • Single-ended or differential voltage (1-5 VDC)
  • Input impedance: >1 MΩ
  • Common mode voltage: ±10 VDC

• IMCIS22:

  • Normal mode rejection: >76 dB at 50/60 Hz
  • Common mode rejection: 90 dB from DC to 60 Hz
  • Response time per channel (100% step change): 2.4 sec to 95% of final value

• IMQRS22:

  • Normal mode rejection: 37 dB at 50/60 Hz
  • Common mode rejection: 53 dB from DC to 60 Hz
  • Response time per channel (100% step change): 0.27 sec to 95% of final value

• A/D Resolution:

  • 12 bits for analog inputs

• Analog Outputs:

  • 2, 4-20 mA or 1-5 VDC
  • Output load:
    • Current load: 600 Ω / 600 mH (maximum)
    • Voltage load: >1 kΩ
  • D/A resolution: 10 bits for analog outputs
  • Current limiting: 50 mA (nominal)
  • Short circuit protection

Accuracy and Repeatability

• Analog Accuracy at 25°C (77°F), standard condition:

  • Terminal-based linearity: ±0.03% of full scale range
  • Repeatability: ±0.03% of full scale range
  • Deadband: ±0.03% of full scale range
  • Accuracy: ±0.1% of full scale range

• Output at 25°C (77°F), standard condition:

  • Terminal-based linearity: ±0.1% of full scale range
  • Repeatability: ±0.05% of full scale range
  • Accuracy:
    • Voltage mode: ±0.15% of full scale range
    • Current mode: ±0.25% of full scale range

• Temperature Effect (0°C to 70°C / 32°F to 158°F):

  • ±0.002% of full scale range per °C

• Input Cross Talk Rejection (Channel-to-Channel):

  • 50 dB (minimum) at 25°C (77°F)
  • -78 dB (typical) at 25°C (77°F)

Mounting and Environmental

• Mounting:

  • Occupies one slot in a standard module mounting unit

• Environmental:

  • Ambient Temperature (per IEC-68-2-1, 2,14):
    • Internal cabinet rating: 0°C to 70°C (32°F to 158°F)
  • Relative Humidity (per IEC 68-2-3):
    • 5% to 95% up to 55°C (131°F) (non-condensing)
    • 5% to 45% at 70°C (158°F) (non-condensing)
  • Pollution Degree:
    • Degree 1
  • Atmospheric Pressure:
    • Sea level to 3 km (1.86 mi)
  • Air Quality (per ISA S71.04 Class LA, LB, LC - Level 1):
    • Non-corrosive