Siemens SIMATIC LS120 Instructions De Montage page 19

LS120 Installation Instructions
Detaching the cables from the rear panel
1. Detach data cable
2. Detach power supply cable
from rear cover
from rear cover
3. Detach lead from motherboard (CD)
Removing the bus board
1. Unscrew four screws from brace
2. Carefully pull out bus board
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C79000-K7076-C010-01