Tabla de contenido
Publicidad
Idiomas disponibles
Idiomas disponibles
chapter 4). Values contained both in Command and Response messages are in hex format.
Slave address
Function code
Starting register
Words to be written
Data bytes
Programming data to be written
CRC
Command example: 0110203C000204000000032E29
Slave address
Function code
Starting register
Written words
CRC
Response example: 0110203C0002048A
2.2 MODBUS TCP
In this section, the tables describe the reading command structure (Query) and the writing command structure.
Both commands are followed by a response sent by slave.
These tables refer to a master-slave communication in MODBUS TCP.
MODBUS RTU/ASCII, TCP
01
-
10
-
20
High
3C
Low
00
High
02
Low
04
-
00
High
00
Low
00
High
03
Low
2E
High
29
Low
01
-
10
-
20
High
3C
Low
00
High
02
Low
04
High
8A
Low
53
Publicidad
Capítulos
Tabla de contenido
