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

Connecting

8.6 Connecting the CAN bus

8.6 Connecting the CAN bus
CAN connection
CAN connection pin
assignment
NOTICE
The connection CAN Ground to ground is necessary to ensure EMC stability.
The common return (CAN_GND) may only be connected in one place to the ground
potential in the CAN network.
NOTICE
EMC stability is only guaranteed with shielded CAN cables.
94
The PN/CAN LINK is connected to the CAN bus by
means of a CAN cable with D-sub connector (9-pin,
socket) ①. Use a shielded CAN cable conforming to
CiA specifications with shielded connector for the
connection.
1 --
2 CAN_L
3 CAN_GND
4 --
5 CAN_SHLD
6 CAN_GND
7 CAN_H
8 --
9 --
Terminating resistor 120 Ω (install jumper from
pin 1 to pin 2 for use)
CAN_L bus cable (dominant low)
CAN Ground
Not connected
CAN shield
CAN Ground
CAN_H bus cable (dominant high)
Not connected
Not connected
Operating Instructions, 03/2022, A5E39895388-AC
SIMATIC PN/CAN LINK