Replacing The Avt Combination Module; Figure 9-6 Example Of An Avt Combination Module - Siemens SINAMICS PERFECT HARMONY GH150 6SL3826 Operating Instructions Manual

Maintenance
9.7 Repair
9.7.3

Replacing the AVT combination module

The AVT combination modules are part of the actual value acquisition module. The installation
location is described in the layout diagram.
High voltages
The AVT combination modules and measuring resistors are at hazardous voltage levels.
Touching actual value acquisition components, particularly measuring resistors or LEM
current transformers, can result in death, serious injury, or material damage.
● Do not touch AVT combination modules, LEM current transformers, or measuring resistors
● Do not make any changes to the design of the actual value acquisition.
Removing the AVT combination module
1. Follow "the five safety rules (Page 13)".
2. Release the control cables
3. Remove the four fixing screws
Installing the AVT combination module
1. Use the screws
2. Reconnect the control lines
106
WARNING
under any circumstances.
Figure 9-6 Example of an AVT combination module
②
to secure the AVT combination module.
①
. Carefully ensure that you do not kink the fiber optic cables.
②
of the AVT combination module.
①
. Do not bend the fiber-optic conductors.
SINAMICS PERFECT HARMONY GH150 6SL3826
Operating Instructions 05/2020