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6–4
Electric Drives
and Controls
Bosch Rexroth AG
Servodyn-D 1070 066 032 / 03
Replacing components
6.2.2
DC link connection of VMA..B,C,D and DMA..A,B,D
with backplane modules
The conductor bars are captivated in the backplane module terminal
blocks.
Mounting using a SW 4 Allen key:
1. Unscrew the terminal screws (1).
2. Unscrew the terminal screws (2), move the conductor bars into the
adjoining terminal block and tighten the screws.
3. Fasten the second end of the conductor bar using the terminal screw
(1).
4. Cover the right backplane module terminal block of every module
row with the terminal block end cover from the VMA module acces-
sory set. There is a second cover in the DC link terminal accessory
set which can be used if there are two module rows.
DANGEROUS ELECTRICAL VOLTAGE
Busbars carry lethal voltages during operation.
It is absolutely necessary to install the terminal block covers at the
right-hand end of each row of modules.
D
6Nm
C
2
1
2
1
1
2
1
2
D
6Nm
C
CAUTION
Destruction of power units!
Please note the tightening torque of 5 Nm for the screwed DC link
connections.