Change Sdcs-Pin-2X Boards - ABB DCS 500B Service Manual
Dcs thyristor power converters
for dc drive systems
25 to 5200 a
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Also See for DCS 500B:
- Operating instructions manual (76 pages) ,
- Description (228 pages) ,
- Service manual (73 pages)
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Change SDCS-PIN-2x
boards
DCS 500 / DCS 600 Service Manual
The converter is equipped with a SDCD-PIN-21/22/23/24 board:
- Make sure, electrical and mechanical safety is obtained!
- Mark the cables connected to U1, V1, W1 and C1, D1. Mark the
plugs connected to X22, X3 and X4.
- Disconnect all cables and plugs.
- Remove the SDCS-PIN-2x board.
Note: If the converter is equipped with a SDCS-PIR-21 there is
no need to remove this board separately, because it is mounted
on the SDCS-PIN-2x board.
- Make sure that the resistors on the new board are cut properly
according to the table 'Settings of the SDCS-PIN-20xB board' as
described in the manual Technical Data.
- Install the new SDCS-PIN-20xB board.
Note: SDCS-PIN-205B replaces SDCS-PIN21/23 and SDCS-
PIN-206B replaces SDCS-PIN-22/24.
- Reconnect all cables and plugs.
The converter is equipped with a SDCD-PIN-25 board:
- Make sure, electrical and mechanical safety is obtained!
- Mark the cables connected to U1, V1, W1 and C1, D1. Mark the
plugs connected to X22, X3 and X4.
- Disconnect all cables and plugs.
- Remove the SDCS-PIN-25 board.
Note: The additional RC network is not needed anymore. Due to
safety reasons remove the cables marked U1 – C14, V1 – C16,
W1 – C12, C1 – R15 and D1 – R12.
- Make sure that the resistors on the new board are cut properly
according to the table 'Settings of the SDCS-PIN-205B board' as
described in the manual Technical Data.
- Install the new SDCS-PIN-205B board.
Note: SDCS-PIN-205B replaces SDCS-PIN25.
- Reconnect all cables and plugs.
3ADW000093R0701_DCS500B/DCS600_Service manual_e_g
Chapter 10 - Service
VI A
10 - 3
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