User's Manual

Doc.: HD0389-00-Manuale_TL_GWCxxxx_r.0.1_EN.doc-00 17/04/2011 Page 17 of 49
2.2.4. CAN Bus – DeviceNet Interface
Introduction CAN Bus interface allows a multipoint connection according to ISO
11898 standard.
The interface is insulated and it is powered by an on board
insulated DC/DC converter, so no external power source is
needed.
Please refer to section 5 for information about the available
controller.
Please refer to software manual for information related to how
CAN Bus interface operates.
CANbus network connection
Network parameters
Value
Parameters
Symbol in
figure
Unit
Min. Nom. Max.
Conditions
Bus length
L M 0 40
Branch length
I M 0 0.3
Bit rate:
1Mbit/sec
Distance between
adjacent nodes
D M 0.1 40
Cable length Baudrate [kbit/s]
< 25m
1000
< 50m
800
< 100m
500
< 250m
250
< 500m
125
< 1000m
50
< 2500m
20
GWC00
Node
Node Node
Node
1
2 3 n-1
n
L
d
I
i