Bosch R911170770, Руководство по планированию проекта

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Additionally, this module slot is equipped with a four-stage key switch (priority
switch ) with authorization system. Use the three keys to assign different au‐
thorizations to the machine operators.
The switch positions of the VAM 10.2/VAM 40.2 key switch are
not forced-guided. The key switch cannot be used to switch safe‐
ty-relevant functions such as operation modes.
Key designs
Key ID Authorization
Key labeled with "1" Authorization for switch position 0 and 1
Key labeled with "2" Authorization for switch position 0, 1 and 2
Key labeled with "3" Authorization for switch position 0, 1, 2 and 3
Tab. 7-1: Key design with authorizations
Withdrawing the key
The key of the VAM 10.2/VAM 40.2 standard variants can be withdrawn in
any switch position.
The key can only be removed in the switch position "0" for a customized var‐
iant of the VAM 10.2 (R911170771, VAM10.2-PB-NB-TA-TA-VA-1608-NN).
Contact assignment
Position Contacts closed
0 P - 0
1 P - 1
2 P - 2
3 P - 3
Tab. 7-2: Contact assignment of the key switch
Wiring scheme Upon delivery, the switch positions of the key switch are wired to the digital
inputs of the Profibus main board of the VAM (refer to the following figure).
The switch positions can be evaluated via the PLC.
Pin P
Pin 1
Pin 2
Pin 3
Pin 0
Key switch
Pin 5
Pin 6
Pin 7
Pin 8
Weidmüller terminal
X22
Weidmüller terminal
X10
Pin 1 UQ=24 V
Position 0
Position 1
Position 2
Position 3 red
green
blue
yellow
black
Fig. 7-4: Wiring scheme of the key switch
The configuration of the digital inputs and the address assignment
of the switch positions are described in chapter 9 "Commission‐
ing" on page 47 .
DOK-SUPPL*-VAM*XX.2***-PR03-EN-P Bosch Rexroth AG 31/69
Rexroth IndraControl VAM 10.2/40.2 Machine Control Panels
Module design