Siemens SIMATIC PN/J1939 LINK - Connecting the J1939 Bus

Connecting
7.6 Connecting the J1939 bus
SIMATIC PN/J1939 LINK
Operating Instructions, 12/2018, A5E45307564-AA
41
7.6
Connecting the J1939 bus
PN/J1939 LINK is connected to the J1939 network
via an adapter cable with DSUB connector (9-pin,
female) ①. Use a shielded CAN cable conforming
to CiA specifications with shielded connector for the
connection.
① J1939 connector
The physical data transmission is performed via a CAN interface according to
ISO 11898-2 (high-speed).
The following figure shows the assignment of the 9-pin DSUB connector on the
PN/J1939 LINK.
J1939 connector pin
assignment
1 -- Terminating resistor 120 Ω (install jumper from pin
1 to pin 2 for use)
2
CAN_L
CAN_L bus cable (dominant low)
3
CAN_GND
CAN Ground
4
--
Not connected
5
CAN_SHLD
CAN shield
6
CAN_GND
CAN Ground
7 CAN_H CAN_H bus cable (dominant high)
8
--
Not connected
9
--
Not connected
NOTICE
EMC stability is only guaranteed with shielded CAN cables.