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User Manual
PROFINET Master / Ethernet
Document code: MN67B84_ENG Revision 1.000 Page 21 of 27
ETHERNET PROTOCOL:
In order to read and write the data from PROFINET side, it is enough to send some simple commands over TCP or UDP.
Reading data by PROFINET slave: this command allows to read all the data from a specific PROFINET slave.
Request:
Byte Number
Description
1
‘R’ (0x52)
2
‘.’ (0x2E)
3÷5
PROFINET slave to read (000÷009) (decimal) (*)
Response:
Byte Number
Description
1
‘D’ (0x44)
2
‘:’ (0x3A)
3÷n+2
Output byte of PROFINET slave (two chars for each
byte)
*n=number of Output bytes of the slave
(*) The number of PROFINET slave depends on the order with which they are defined in the “PROFINET Access” section of SW67B84.
