ABB DCS 500 Series Service Manual page 49

DCS 500 / DCS 600 Service Manual
V11
V24
V13
V26
V15
V22
Assemb ly C4
Busba rs o n th e ri ght
(fr ont o f the module)
Figure 7-3 Location of thyristors in size C4 (4-Q bridge)
V11
V13
V15
A ssemb ly C4
B usba rs o n th e right
( front o f the module )
Figure 7-4 Location of thyristors in frame C4 (2-Q bridge)
3ADW000093R0601_DCS500B/DCS600_Service Manual_e_f
Chapter 7 - Exchange of Thyristors for Size C4
V21 V21
V14 V14
V 23 V23
V16 V16
V25 V25
V12
V12
A ssembly C4
B usbars on the left
( front of th e mod ule )
V14 V 14
V 16
V16
V12
V12
Assemb ly C4
Busba rs o n th e left
(fr ont o f th e mod ule )
V11
V 24
V 13
V26
V15
V22
V11
V 13
V15
VI A 7 - 5