Description

If tripped, disconnect the consumers of 24 V DC acc. to the ASTAT circuit diagram at end of this manual,
and try to restore the MCB. Measure 24 V DC between (DASA 110)-X2:2 (plus) and :4 (minus). The value
must be between 17 V and 33 V.
If this is impossible to restore, the fault might be internal in DASA 110.
Connect the consumers one by one, until the consumer that causes the trip is found, and causes a trip
again.
If no consumer causes a new trip, check all consumers for internal faults.
The board DAPC 100 has LED 5 V OK (green).
The board DAPU 100 has LED 5 V OK (green).
The board DATX 110 has LED 5 V OK (green).
The board DATX 130 has a green LED for 15 V OK.
The board DATX 120 has LED 5 V OK (green);this board has mostly a different 24 V DC
supply.
24 V DC is directly grounded, and can always be measured to ground.
110 V DC voltage
Check the MCB -F2 of DASA 110. Check the LED 110 V OK (green) on DATX 110. In case there is a floating system for 110 V, check the LED Earth fault (red) on DATX 110.
If the MCB is tripped or there is an earth fault, disconnect the consumers of 110 V DC acc. to the ASTAT
circuit diagram at end of this manual by opening the yellow separators on DATX 110, and try to restore the
MCB. Measure 110 V DC between (DASA 110)-X2:6 (plus) and :7 (minus). The value must be between 55
V and 140 V.
If this is impossible to restore, the fault might be internal in DASA 110.
Connect the consumers one by one, until the consumer that causes the trip is found, and causes a trip
again.
110 V DC is directly grounded or floating

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Whatapp:+86 15359293870
Email: geabbdcs@gmail.com / 2872270648@qq.com
Contact Person: Chen

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ABB P4LS 1KHL015227R0001 DC voltage circuit board

Description

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