No. Name Connection type Connector type
(Integrated)
Mating connector and
cable
(From outside)
⑤ XF3 Ethernet RJ45 socket
8-pin
RJ45 plug
8-pin
⑥ XF4 Ethernet RJ45 socket
8-pin
RJ45 plug
8-pin
CAN extension module
⑦ XF70 CAN CAN cable (4-pin) CAN cable (4-pin)
⑧ XF71 CAN CAN cable (4-pin) CAN cable (4-pin)
⑨ Fallback pushbutton
Tab. 9-1: Interfaces of the extension modules
Connector contact
XF70 or XF71
Signal Function
00 or 02 C_H CAN_H signal
01 or 03 C_L CAN_L signal
10 or 12 GND CAN ground
11 or 13 WID Adding the termination resistor to the CAN network
The resistor is enabled by connecting the plug contacts 10 (CAN
GND) and 11 (WID) or 12 (CAN GND) and 13 (WID).
Tab. 9-2: Pin assignment of XF70 and XF71
Plug name S20 plug
Connection method Spring-cage connection in direct plug-in technolo-
gy
Conductor cross-section
Rigid or flexible 0.2 mm
2
to 1.5 mm
2
Conductor cross-section AWG 24 to 16
Tab. 9-3: Connection data of XF70 and XF71
Extension Modules Profibus, RT-
Ethernet, Sercos, CAN
Bosch Rexroth AG
Interfaces
DOK-CONTRL-XFE**EXTMOD-IT04-EN-P
15/37
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