The same external power supply unit has to supply the 24 V voltage
supply of the XMx control and the extension modules. Connect the
voltage supply to the XD1 plugs of the XMxx control and then bridge
the cables to the power connectors XD1 of the extension modules,
refer to
fig. 10-7 "Mandatory voltage supply" on page 22
. Other
connection variants are not permitted.
FE
24 V
GND
1
2
3
3
4
5
5
①
24 V voltage supply
②
Top-hat rail
③
Extension module
④
XM2x control
⑤
S20 Module
Fig. 10-7: Mandatory voltage supply
Bosch Rexroth AG
Mounting, demounting and electric installationI
Extension Modules Profibus, RT-
Ethernet, Sercos, CAN
22/37
DOK-CONTRL-XFE**EXTMOD-IT04-EN-P