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ABC-600
4.0 Channel B Voltage Calibration:
4.1 Set Channel B for the following limits:
Voltage: 600V, 0V
4.2 Set Channel B in Voltage mode at 8V. Adjust R312 (BLOCAL) offset till DMM1 reads 8.0000.010V.
4.3 Connect Remote Voltage Sense connector from the shunt to the Channel B RVS connector on the front panel
of the ABC-600. Turn RVS mode ON.
4.4 Set Channel B in Voltage mode at 8V. Adjust R316 (BREMOTE) offset till DMM1 reads 8.0000.010V.
4.5 Command 600V from ROS. Adjust R55 such that both local and remote readings for 600 0.250V. This may
require going back and forth between local and remote modes.
5.0 Channel A Current Offset Calibration:
5.1 Set channel A and B for the following limits:
Voltage: 600V, 0V
5.2 Put Channel B in voltage mode at 100V and Channel A in current mode at 0A.
5.3 Set the DMM to mV (1mV = 1A for the shunt rating: 500A/500mv)
5.4 Adjust R71 till the DMM connected to the current shunt must reads 0.000.01mVDC.
6.0 Channel B Current Offset Calibration:
6.1 Set channel A and B for the following limits:
Voltage: 600V, 0V
6.2 Put Channel A in voltage mode at 100V and Channel B in current mode at 0A.
6.3 Set the DMM to mV (1mV = 1A for the shunt rating: 500A/500mv)
6.4 Adjust R94 till the DMM connected to the current shunt must reads 0.000.01mVDC.
22394-76_02.docx
Current: +20A, -20A
Current: +200A, -200A
Current: +200A, -200A
Page 16 of 20
Installation Instructions
Power: +1Kw, -1Kw
Power: +75Kw, -75Kw
Power: +75Kw, -75Kw
Webasto Charging Systems, Inc.
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