Maintenance
12.2010
68
ENGLISH
Siemens AG 6RX1700-0DD74
SIMOREG DC-MASTER Converter Commutation Protector Operating Instructions
8.2 Replacing
components
8.2.1 Replacing
modules
WARNING
Modules must only be replaced by qualified personnel.
Modules must not be inserted or withdrawn under voltage.
Non-observance of the warnings can result in death, severe personal injury or significant property
damage.
CAUTION
The modules contain electrostatically sensitive devices. Discharge yourself before touching any
electronic modules. The easiest way to do this is to touch a conductive, grounded object
immediately beforehand (for example, bare metal parts of control cabinet or the protective ground
contact of a socket outlet).
Replacing the chopper unit
•
Remove the Limiter Board C98043-A7047
•
Release screw (1)
•
Release screw (2)
•
Replace the module(s)
A
B
1
1
1
1
1
1
1
1
2
2
2
2
2
2
460 V:
MLFB = 6RY1703-0FC01
690 V:
MLFB = 6RY1703-0FC02
Chopper Unit
Note
For units 6RA7085-6FC00-0, 6RA7091-6FC00-0 and 6RA7090-6KC00-0, there is only one chopper
unit (Item A)
Summary of Contents for SIMOREG DC-MASTER
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