Festo EXCM-30 PF Serie Manual De Uso página 65

Funcionamiento
Lectura de los datos de aparato (Read device identification)
Campo
Read device identification request (0x2B)
Function code
MEI type
Read device ID code
Object ID
Read device identification response (0x2B)
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)
Error code
Exception code
Tab. 55 Lectura de los datos de aparato
Festo — EXCM-30/-40-...-PF — 2018-08b
Bytes Valores
1 0x2B
1 0x0E
1 0x01: basic device identification
0x02: regular device identification
1 0x00: (first object to be transferred)
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: no more objects
1 Number of objects in this message
1 8.5.6 Objetos de datos con
è
comando Modbus "Read Device
...
Identification"
1
1 0xAB
1 0x01: illegal function
0x02: illegal data address
0x03: illegal data value
0x04: server device failure
N.º de by-
te
8
9
10
11
8
9
10
11
12
13
14
15
...
8
9
65