15
2018/09
6.1
Serial Interfaces/CAN Interface
6.1.1
RS232 (X4)
Fig.6:
RS232 interface
Pin
RS232
1
GND
COM 1
2
TxD
3
RxD
4
RTS
5
CTS
6
GND
COM 4
7
TxD
8
RxD
9
RTS
10
CTS
6.1.2
RS485/CAN (X2 and X3)
Fig.7:
RS485/CAN interface
Pin
RS485
CAN
Port
X2
1
n.c.
GND
CAN 0
2
Terminating resistor
3
CAN-H
4
CAN-L
5
Terminating resistor
6
Terminating resistor
n.c.
COM 2
7
GND
8
Terminating resistor
9
Y (TX+)
10
Z (TX-)
11
A (RX+)
12
B (RX-)