4 system bus (can) / canopen, 1 wiring, 2 communication connection – Lenze EPM−T9XX Modular system User Manual
Page 163: System bus (can) / canopen, Wiring, Communication connection, Electrical installation, System bus (can) / canopen wiring
System bus (CAN) / CANopen
Wiring
Electrical installation
7.4
7.4.1
L
7.4−1
EDSPM−TXXX−9.0−11/2009
7.4
System bus (CAN) / CANopen
7.4.1
Wiring
LO
LO
LO
CG
CG
CG
HI
HI
HI
A
2
A
1
A
3
A
n
EPM-T1XX
EPM-T83X
PES
PES
PES
PES
PES
PES
CAN-GND
CAN-LOW
CAN-HIGH
120
120
120
1 2
3
4 5
6
7 8
9
epm−t061
Fig. 7.4−1
Basic wiring of the system bus (CAN) / CANopen
A1 Nodes 1 EPM−T110 or EPM−T8XX
A2 Node 2
A3 Node 3
A
n
Node n (e.g. PLC), n = max. 63
We recommend the use of CAN cables according to ISO 11898−2:
CAN cable according to ISO 11898−2
Cable type
Twisted pair with shielding
Impedance
120
W (95 ... 140 W)
Cable resistance
Cable length
£ 300 m £ 70 mW/m
Cable length
£ 1000 m £ 40 mW/m
Signal propagation delay
£ 5 ns/m
7.4.2
Communication connection
View
Pin
Assignment
Explanation
1
2
3
4
5
6
7
8
9
1
Not assigned
−
2
CAN−LOW
Data line
3
CAN−GND
Data ground
4
Not assigned
−
5
Not assigned
−
6
Not assigned
−
7
CAN−HIGH
Data line
8
Not assigned
−
epm−t023
9
Not assigned
−
Specification of the transmission
cable
3
Assignment of Sub−D plug
4