Wiring
Operating Manual PMCprimo MC
1003813-EN-03
| 38
Relationship between transmission rate, bus length and length of stub lines:
Transmission rate
[kBit/s]
Bus length l [m]
Length of stub line
a [m]
Overall length of all
stub lines [m]
1000
10
1.5
7.5
500
70
5.5
27.5
250
115
11
55
The following table provides an approximate overview of the size of the terminating resistor
R
T
with different cable lengths. In each specific case, details of the characteristic imped-
ance can be found in the cable specification.
Bus length l [m]
Terminating resistor R
T
[Ohm]
0 - 40
120
40 - 300
150 - 300
300 - 500
150 - 300
INFORMATION
Please also refer to the installation guidelines published by the CANopen
User Group.
6.5.5
CANopen X52
Connector X52
Pin
Designation
Description
1
5
6
9
1
n. c.
n. c.
2
CAN_L
CAN low signal
3
GND
Ground
4
n. c.
n. c.
5
n. c.
n. c.
6
n. c.
n. c.
7
CAN_H
CAN high signal
8
n. c.
n. c.
n. c. = not connected