Manual

6 PowerFlex® DC Drive - Frame B SCR Modules
3. Remove the cable from connector XTA on the Pulse Transformer board.
4. Remove the plug-in terminals from the Control power block on the
Pulse Transformer board.
5. For Pulse Transformer boards with an armature voltage feedback
terminal block, FIR2-XX, rev. “N” and higher, remove the connector
from XCD_IO on the lower left corner of the board.
6. Carefully disconnect the cables from connectors XA, XR and XFCD at
the top of the Control board.
Remove cable Remove plug-in
terminals
=
XCD_IO
C
XTA
XM
D
78 79 35 36 75 76 U2 V2
S3 S4
1
Remove connector from XCD_IO
Disconnect
cables