VAT 653 Series - Retrofit; Replacement Procedure

MAINTENANCE Series
65
116/129 Edition 2019-05-03 963283EA
7.2.4 Retrofit / replacement procedure
Top view on control and actuating unit with panel removed:
All boards have a fixed position into control and actuating unit. It is not possible to fit a
board in other position as shown in picture above! Do not try out other positions,
which maybe destroy the socket of boards!
Master board with
Interface
Option board