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User Manual
EtherNet/IP Master/ Ethernet
Document code: MN67668_ENG Revision 1.000 Page 21 of 25
Writing data to EtherNet/IP slaves: this command allows to write the data to a specific EtherNet/IP slave.
Request:
Byte Number
Description
1
‘W’ (0x57)
2
‘.’ (0x2E)
3÷5
EtherNet/IP slave to read (000÷009) (decimal) (*)
6
‘.’ (0x2E)
7÷9
Starting output byte to write (decimal)
10
‘.’ (0x2E)
11÷13
Number of bytes to write (decimal)
14
‘=’ (0x3D)
15÷n+15
Data to write (hex)
*n=number of bytes defined in bytes 11-12-13 of the command
Response:
Byte Number
Description
1
‘D’ (0x44)
2
‘:’ (0x3A)
3÷n+2
Output byte of EtherNet/IP (two chars for each byte)
*n=number of Input bytes of the slave
(*) The number of EtherNet/IP slave depends on the order with which they are defined in the “EtherNet/IP Access” section of SW67668.
Note:
It is possible to write up to 512 bytes with a single command.
