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Table of contents
3ADW000195R0501 DCS800 Service Manual e e
Remove faulty OnBoard bridge (V1) ............................................................................ 36
Install new OnBoard bridge (V1) .................................................................................. 36
OnBoard bridge (V1) and thyristor module location in DCS800-S01 (2-Q) units.......... 37
OnBoard bridge (V1) and thyristor module location in DCS800-S02 (4-Q) units.......... 38
OnBoard bridge and thyristor module terminals........................................................... 39
Exchange of Thyristors for Size D5 41
Installation of "Disc Type" thyristor in converters size D5 (900...2000 A) ................................ 41
Required Tools ............................................................................................................. 41
Disk type thyristors ....................................................................................................... 42
Find faulty thyristor ....................................................................................................... 45
Remove faulty thyristor................................................................................................. 46
Install new thyristor....................................................................................................... 47
Exchange of Thyristors for Size D6 51
Installation of "Disc Type" thyristor in converters size D6 (1900...3000 A) .............................. 51
Required Tools ............................................................................................................. 51
Disk type thyristors ....................................................................................................... 52
BCT thyristors............................................................................................................... 53
Find faulty thyristor ....................................................................................................... 54
Remove faulty thyristor................................................................................................. 55
Install new thyristor....................................................................................................... 58
Exchange of Thyristors for Size D7 65
Installation of "Disc Type" thyristor in converters size D7 (2050...5200 A) .............................. 65
Required Tools ............................................................................................................. 65
Find faulty thyristor ....................................................................................................... 66
Install new thyristor....................................................................................................... 69
Exchange of SDCS-CON-4 75
General .................................................................................................................................... 75
Required Tools ............................................................................................................. 75
Overview SDCS-CON-4 exchange............................................................................... 75
Service 83
How to remove the converter fans in frames D1 to D3 (two fans) ........................................... 83
How to remove the converter fans in a frame D3 (four fans) ................................................... 87
How to remove the converter fan in a frame D6 ...................................................................... 92
How to remove the converter fan in a frame D7 ...................................................................... 93
DCS800 firmware download .................................................................................................... 94
General......................................................................................................................... 94
Download SDCS-CON-4 firmware................................................................................ 94
Add firmware or text files............................................................................................ 107
Create a workspace.................................................................................................... 114
Download SDCS-COM-8 firmware ............................................................................. 129
Set type code ......................................................................................................................... 131
Type code table.......................................................................................................... 133
DC-Motor neutral zone adjustment ........................................................................................ 134
Types concerned........................................................................................................ 134
Summary .................................................................................................................... 134
General....................................................................................................................... 134
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