3.13.5 Input/Output Circuits
Item
RS-422
/RS-485
RS-232C
CPU
SEN_ON
DO
RD/WR
TxD0
RxD0
GND
CPU
RxD
TxD
GND
Table 3.13-7 Input/output circuits
96
Contents
+5V
PNP
RS-485/422
RS-232C
1
2
3
J4
4
SEN
3
GND
5
DOUT
6
GND
1
PSP/(AP)
2
PSN/(AN)
External device
外部機器
J3
Rx
Rx
Tx
Tx
GND
SG