1 Description of the Modular PLCs XControl: XC-104-…, XC-204-…, XC-303-…
1.6 Functionality
28 Modular PLCs XControl: XC-104-…, XC-204-…, XC-303-… 01/23 MN050005EN Eaton.com
• XC-204-…: 5
Figure 11: S1 DIP switch setting for CAN1
To activate the bus termination resistors for CAN 2 on XC-303-…, switch the
S1 TC2 DIP switch to the ON position:
Figure 12: S1 DIP switch setting for CAN2
.
Figure 13: Activating the bus termination resistors for the CAN interfaces (CAN1 or CAN2)
CAN baud rates and cable lengths
• Use connection cables that conform to ISO 11898 only.
• The maximum cable length is determined by the baud rate.
Table 6 Max. cable lengths CAN
XC-303-… XC-204-…
TC1 5
ON OFF
S1
STOP
TRSa
TRSb
TC1
TC2
ON OFF
S1
STOP
TRSa
TRSb
TC1
TC2
S1 X4/X5
XC-303-...
GND
TC1/TC2
GND_L
CAN_H
S1 X4/X5
XC-303-...
GND
TC1/TC2
GND_L
CAN_H
S1 X4/X5
XC-303-...
TC1/TC2
RRR
CAN baud rates
[kbauds]
Maximum possible cable length
50
1000 m ²,³ ² Starting from a cable length of 200 m, we recom-
mend using optocouplers in the CAN stations
100 600 m ²
125 500 m ²