
1-30
SIMATIC PC BI45/FI45 PII, Technical Description
C79000-G7076-C794-03
1.4.14
Removing and Installing the Keyboard Controller for the FI45
Lower the system box of the FI45 away from the front as described in
Section 1.4.2 or remove the membrane keyboard as described in Section
1.4.13.
Loosen the two screws and then remove the support with the inverter
module.
Remove the two connection cables for the membrane keyboard.
!
Caution
Before you remove the connecting cables, release the interlocks on the ports
so that the contacts of the connecting cables are not damaged.
Before you unplug all the other connectors, write down their previous
connections.
Undo the two remaining screws; you can then lift out the keyboard
controller board.
To install the keyboard controller, proceed in reverse order.
1.4.15
Removing and Installing the Inverter Module for the FI45
Lower the system box of the FI45 away from the front panel as described
in Section 1.4.2 or remove the membrane keyboard as described in
Section 1.4.13.
Before you unplug all the connectors, write down their previous
connections.
Undo the two screws and remove the support with the inverter module.
The inverter module is fastened to the support with two plastic rivets.
Remove the rivets, by pressing the pin out from behind.
To install the inverter module, proceed in reverse order.
!
Caution
When installing the module, do not forget to place the insulating foil
between the inverter module and the metal plate.
System Unit