Festo Электроцилиндр - Manual (Page 111)

B Control via Ethernet (CVE)
Festo – GDCP-CMMO-ST-EA-SY-EN – 1301a – English 111
Request “Read CVE object”
Byte Function Data type Description
0x00 Service ID UINT08 0x10 = Read CVE object from controller
0x01
0x02
0x03
0x04
Message ID UINT32 Message ID freely assignable by the application.
It is always sent back unchanged in the response.
This enables a clear assignment of the request and
response. The message ID can be used but is not
mandatory.
0x05
0x06
0x07
0x08
Data length UINT32 Always 4 for this request
0x09 Acknowledge UINT08 This field always remains blank for the request
(initialise with 0).
0x0A
0x0B
0x0C
0x0D
Reserved UINT32 Placeholder (initialise with 0).
0x0E
0x0F
Object index UINT16 Index of the CVE object to be read.
0x10 Object subindex UINT08 Always 0
0x11 Reserved UINT08 Placeholder (initialise with 0).
Tab. B.2 Request “Read CVE object”