Festo CMMO-ST-C5-1-LKP Manual De Uso página 27

4 Modbus TCP
Orden Significado
Modbus
Read device Lectura de los datos del equipo
identification
Read device identification request (0x2B)
Campo
Function code
MEI type
Read device ID code
Object ID
Read device identification response (0x2B)
Campo
Function code
MEI Type
Read device ID code
Conformity level
More follows
Next object ID
No of objects
Object 1
...
Object n
Read device identification exception (0xAB)
Campo
Error Code
Exception code
Tab. 4.3 Cuadro general de códigos de función de Modbus
Festo – GDCP-CMMO-ST-LK-C-HP-ES – 2017-05b – Español
Bytes Valores
1 0x2B
1 0x0E
1 0x01: basic device identification
0x02: regular device identification
1 0x00: (first object to be transferred) 11
Bytes Valores
1 0x2B
1 0x0E
1 Same as request field
1 0x01: basic device identification
0x02: regular device identification
1 0x00: no more objects
1 0x00
1 Number of objects in this message
è Sección 4.3.3, Tab. 4.4
1
...
1
Bytes Valores
1 0xAB
1 0x01: illegal function
0x02: illegal data address
0x03: illegal data value
0x04: server device failure
N.º de
byte
8
9
10
N.º de
byte
8
9
10
11
12
13
14
15 ...
N.º de
byte
8
9
27