Manual VIPA System 300V Chapter 4 CANopen
HB130E - IM - Rev. 08/26 4-7
The VIPA CAN-Bus coupler is connected to the CAN-Bus system by
means of a 9pin socket.
The following diagram shows the pin assignment for the interface.
Pin Assignment
1 n.c.
2 CAN low
3 CAN ground
4 n.c.
5 n.c.
6 optional ground
7 CAN high
8 n.c.
9 optional pos. supply
The CAN-Bus communication medium bus is a screened three-core cable.
Maste
Slave
CAN high
CAN Ground
Shield
CAN Ground
CAN low
CAN Ground
CAN high
Do not connect
120
Ω
7
2
3
120
Ω
2
All stations on systems having more than two stations are wired in parallel.
This means that the bus cable must be looped from station to station
without interruptions.
Note!
The end of the bus cable must be terminated with a 120
Ω terminating
resistor to prevent reflections and the associated communication errors!
9pin D-type socket
CAN-Bus wiring
Line termination
1
2
3
4
5
6
7
8
9
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