Repair GE-Emerson IC620MDR028 Micro PLC CPU Unit

Features

• 85 to 264VAC power supply voltage @ 47 to 63Hz
• 15W power consumption
• 24VDC power available from Vpp terminal, 8.4mA per unused point (unfused)
• 12MHz microprocessor clock speed
• Scan time:
  • 0.6mS overhead, plus 6µsec per basic instruction
  • More complex functions such as math functions take longer to execute
• Inputs:
  • Opto isolated from logic circuitry
  • Pull-up resister to +V type; the external device pulls the input point to ground to turn on the input
  • 8.4mA input current
  • 10.8VDC or lower ON level
  • 11.0VDC or higher OFF level
  • Response time (non-adjustable):
    • OFF to ON: 7mS max.
    • ON to OFF: 11mS max.
  • 3K ohms input impedance
• Outputs:
  • Electromechanical relay output type
  • 30mΩ max. contact resistance (initial value)
  • 5VDC @ 1mA min. applicable load
  • Normally open contacts, grouped as 2 isolated, a group of 2 sharing a common, and two groups of 4 sharing 2 commons
  • Max. voltage:
    • On independent terminals:
      • 250VAC @ 5 Amps
      • 30VDC @ 5 Amps
    • On common terminals:
      • 250VAC @ 5 Amps per common
      • 30VDC @ 5 Amps per common
  • 10mS max. response time, ON to OFF and OFF to ON
  • 5VDC @ 1mA min. load
  • Relay life:
    • 20 million operations mechanical
    • 500,000 electrical operations, typical
    • 100,000 operations electrical at full rated load