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4.2.5.9. DCE (Dry Contact)-B Card
It is installed into INTERFACE slot on the rear panel.
The pin assignments of 10-Pin Terminal:
Pin 1: UPS on Bypass mode.
Pin 2: Utility Normal (Normal close contact)
Pin 3: Utility Normal (Normal open contact)
Pin 4: Inverter On
Pin 5: Battery Low
Pin 6: Battery Bad or Abnormal
Pin 7: UPS Alarm
Pin 8: Common
Pin 9: Shutdown UPS positive(+ ) signal
Pin 10: Shutdown UPS positive(- ) signal
The shutdown function will be activated, after a +6~+25Vdc is put between pin9 and pin10 for 5
seconds. The capacity of each relay contact is 40Vdc/25mA. Installation Position: slot1 (CHA-CN7) or
slot 2(CHB-CN8). Flexible signal output for N.C.(Normal close) or N.O.(Normal open) contact by
shorting pin1-2 or pin2-3 from JP1-5. The shutdown function will be enabled in 1 minute after
blackout occurs if the pin1-2 of both CN1 and CN6 be shorted by cap. Or, the shutdown function
can only be enabled by pin9-10 of CN3 if the pin2-3 of both CN1 and CN6 be shorted by cap.
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