T
6
Installation
6.13.5
Fieldbus
interfae
CAN
The front-sided double RJ45 connector X45 has the following assignment
1
2
3
4
5
6
1
2
3
4
5
6
7
8
7
8
Figure 6.45: Communication connection CAN
Pin no.
Assignment
1
CAN - H
2
CAN - L
3
GND
4
SYNC +
5
SYNC -
6
Not assigned
7
GND
8
Not assigned
The hex-switches S40 and S41 are used to assign node number and baudrate. Both switches provide an 8-bit
information, from which 7 bits represent the node number and the MSB for switchover between 125 kBit/s
and 500kBit/s is used. The node number results from a (3-bit-)value from S40 * 16 + value of S41.
The following table shows a few configuring examples.
S40
S41
Address
Baudrate
0
1
1
125kBit/s
8
1
1
500kBit/s
7
F
127
125kBit/s
F
F
127
500kBit/s
NOTE
According to the transmission line theory both ends of the bus have to be terminated. For this
the CAN terminating resitors in «Appendix B - Spare parts and accessories» on page
can be
used.
102
Instrution
Manual
b
maXX®
BM3400
from
206
Do
ument
No.:
5.07013.03
Baumueller
Kamenz
GmbH
Содержание b maXX BM3400 Series
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