2. Programming Concepts
COM1:
MOV
D1036
SET M1138
M1002
SET M1139
H87
COM2:
MOV
H87 D1120
SET M1120
M10
02
SET M1143
COM3:
MOV
H87 D1109
SET M1136
M10
02
SET M1320
Note:
1. The modified communication format will not be changed when PLC state turns from RUN to
STOP.
2. If the PLC is powered OFF then ON again in STOP status, the modified communication format
on COM1~COM3 will be reset to default communication format (9600, 7, E, 1).
Definitions of the pins in COM1: (It is suggested that users should use the Delta communication
cable UC-MS030-01A.)
CN1 CN2
6
4
5
2
1
3
7
8
CN1
Unit mm:
3000 50±
31.0
8 PIN MINI DIN9 PIN D-SUB female
PC/HMI COM PLC COM1
Tx
Rx
3
2
GND 5
12
3
4
5
6
7
8
4
5
8
1,2
1
4
6
7
8
Rx
Tx
GND
5V