Connecting The J1939 Bus - Siemens SIMATIC PN/J1939 LINK Operating Instructions Manual

7.6

Connecting the J1939 bus

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
NOTICE
EMC stability is only guaranteed with shielded CAN cables.
SIMATIC PN/J1939 LINK
Operating Instructions, 12/2018, A5E45307564-AA
PN/J1939 LINK is connected to the J1939 network
via an adapter cable with DSUB connector (9-pin,
female)
to CiA specifications with shielded connector for the
connection.
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
7.6 Connecting the J1939 bus
①
. Use a shielded CAN cable conforming
Connecting
41