Overview

The IC670MDL640 is a 24 VDC Positive/Negative Input Module that provides a group of 16 discrete inputs. These inputs can be driven by either positive or negative logic.

Specifications

Module Characteristics

• Rated Voltage: 24 VDC
• Input Voltage Range: 0–30 VDC
• User Input Current: 7.5 mA per point @ 24 VDC
• Isolation:
  • User input to logic
  • User input to frame ground
  • Group to group
  • 250 VAC continuous, 1500 VAC for 1 minute
  • No isolation between individual points in a group
• Indicators:
  • 1 LED per point to show individual point status
  • PWR LED to indicate the presence of field and backplane power
• Current Draw from Bus Interface Unit Power Supply:
  • 75 mA typical (all points on)
  • 83 mA maximum

Input Characteristics

• Input Impedance: 3KΩ typical
• On State Voltage:
  • Positive Logic: +15V to +30V
  • Negative Logic: –15V to –30V
• Off State Voltage:
  • Positive Logic: 0V to +5V
  • Negative Logic: 0V to –5V
• On State Current: 3.0mA to 8mA
• Off State Current: 0mA to 1.5mA
• Response Times:
  • On State: 6ms typical, 10ms maximum
  • Off State: 6ms typical, 10ms maximum