Replacement Of The Comm Rs485 Board - ABB PVS-175-TL-SX2 Product Manual

R
eplacement of the COMM RS485 board
Some inverter parts may be subject to voltages that could be hazardous for the operator. Before
performing any work on the inverter, refer to "Inverter total de-energization and safe access"
chapter on this manual to know all the necessary step to safely operate on the inverter.
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J8
X2
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S2 S1 S3
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J2 J3
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X1
Replacing the COMM RS485 board is carried out on the wiring box
and may be necessary in the following circumstances:
1. Communication issues on RS485 line.
The COMM RS485 board is installed on the communication and control
board .
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Procedure to replace the memory board:
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1. Open any AC disconnect switch downstream of the inverter.
2. Open the DC disconnect switches
(only on -S2 or -SX2 model).
3. Disconnect the quick fit input connectors
4. Open the wiring box front cover
5. Extract the communication and control board
chapter "Communication and control board".
6. Remove the COMM RS485 board to be replaced.
7. Install the new COMM RS485 board .
6. Reconnect all the input strings and start the inverter.
and the AC disconnect switch
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8 - Maintenance
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as explained in the
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02
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