Tabla de contenido
Publicidad
Idiomas disponibles
Idiomas disponibles
6.2 MODBUS TCP
The following tables show some writing examples in MODBUS TCP.
Values contained in Command, Query and Response messages are in hex format.
WIRING MODE SETUP
Command example: 01000000000B0110203C00020400000003
Example Byte Description
01
-
Transaction ID
00
High
00
Low
Protocol ID
00
High
00
Low
0B
-
11 data bytes
01
-
Unit ID
10
-
Function code
20
High
Starting register
3C
Low
00
High
2 words to be written
02
Low
04
-
4 bytes to be written
00
High
00
Low
Set 1 phase wiring mode
00
High
03
Low
Response example: 0100000000060110203C0001
Example Byte Description
01
-
Transaction ID
00
High
00
Low
Protocol ID
00
High
00
Low
06
-
6 data bytes
01
-
Unit ID
10
-
Function code
20
High
Starting register
3C
Low
00
High
Command successfully sent
01
Low
98
MODBUS RTU/ASCII, TCP
Publicidad
Capítulos
Tabla de contenido
