Overview

Specifications

Power Supply:

• ± 5 VDC Logic Supply ± 5%
• ± 24 VDC I/O Supply: 21.6 VDC to 27.0 VDC

Current Consumption:

• 5 VDC: 757 mA typical
• 5 VDC: 867 mA maximum

Dissipation:

• 4.6 Watts (logic)
• 5.0 Watts (I/O)

Inputs:

• 24 V Logic:
  • High Level Input Voltage: 4.0 Volts minimum
  • Low Level Input Voltage: 16.5 Volts maximum
  • Low Level Input Current: -11.8 mA maximum

Outputs:

• 24 V Logic:
  • Low Level Output Voltage: 2.0 V maximum
  • High Level Output Current: 120 mA
  • Sink Current: 10 V typical (sink current = 120 mA)
  • Maximum Leakage Current: 100 µA maximum

Propagation Delay Times:

• Input to Output:
  • Low to High: 50 µsec. typical
  • High to Low: 25 µsec. typical
• Output:
  • Low to High: 25 µsec. typical
  • High to Low: 100 µsec. typical

Isolation Voltage:

• 150 V RMS Channel to Channel
• 150 V RMS Channel to Logic

Surge Withstand:

• Meets IEEE Capability Standard 472-1974 requirements for input and output channels.

Maximum Wire Sizes:

• 12 AWG from field wiring to NTDI01

Environmental Specifications:

• Ambient Temperature: 0°C to 70°C (32°F to 158°F)
• Relative Humidity:
  • 0% to 95% up to 55°C (131°F) (non-condensing)
  • 0% to 45% at 70°C (158°F) (non-condensing)
• Atmospheric Pressure: Sea level to 3 km (1.86 miles)
• Air Quality: Noncorrosive

Mounting:

• Uses 1 slot in Infi 90 Module Mounting Unit.

Certification:

• CSA certified for use as process control equipment in an ordinary (non-hazardous) location.