Bus Coupler - Bosch Rexroth IndraControl S20 System And Installation Manual

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Housing versions, design, and dimensions
5.2.2

Bus coupler

10
A
9
2
3
4
1
5
6
Fig. 5-4 Design of a bus coupler
A BK+ housing
B BK housing
1 Bus base module
The bus base is integrated in the module for the S20-PN-BK and S20-S3-BK
bus couplers (BK housing).
For all other bus couplers (BK+ housing), a separate bus base module is
included in the scope of delivery.
2 Electronics module
3 Bus connection (here: Ethernet connections, PROFIBUS connection)
4 Function identification
5 Connector for connecting the communications power U
6 Diagnostics and status indicators (here: LEDs)
7 Rotary coding switch
8 Service interface
9 Reset button
10 Insert label
On the underside of the module, there are two FE springs for connect-
ing the functional earth ground via the DIN rail. These are not shown in
Fig. 5-4. They are illustrated in
DOK-CONTRL-S20*SYS*INS-AP02-EN-P
IndraControl S20 System and Installation
B
8
6
2
7
3
8
4
9
e.g., S20-PB-BK
S20-PN-BK, S20-S3-BK
Fig. 8-1 on page
6
5
6
L
72.