Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual Example 3 Modifying COM3 communication format

DVP - ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming

Example 3: Modifying COM3 communication format

1.Add the below instructions on top of the program to modify the communication format of COM3. When PLC switches from STOP to RUN, the program will detect whether M1136 is ON in the first scan. If M1136 is ON, the program will modify the communication settings of COM3 according to the value set in D1109

2.Modify COM3 communication format to ASCII mode, 9600bps, 7 data bits, even parity, 1 stop bits (9600, 7, E, 1).

M1002

MOV

H86

D1109

SET

M1136

Example 4: RTU mode setting of COM1、COM2、COM3

1.COM1, COM2 and COM3 support ASCII/RTU mode. COM1 is set by M1139, COM2 is set by M1143 and COM3 is set by M1320. Set the flags ON to enable RTU mode or OFF to enable ASCII mode.

2.Modify COM1/COM2/COM3 communication format to RTU mode, 9600bps, 8 data bits, even parity, 1 stop bits (9600, 8, E, 1).

COM1:

M1002

MOV

H87

D1036

SET

M1138

COM2:

M1002

COM3:

M1002

SET M1139

MOV	H87	D1120
SET	M1120
SET	M1143

MOV H87 D1109

SET

M1136

SET

M1320

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