Serial Protocol - ADF Web HD67601-232-A1 User Manual

Industrial Electronic Devices

SERIAL PROTOCOL:

To send/receive PROFINET data from a master device, it is necessary to follow these instructions:
Master PROFINET  HD67601-xxx-A1
Byte 0 Byte 1 Byte 2
YY ZZ Data...
In the byte ZZ and the less significant bit of YY the length of data that follow must be written; the most significant bit of YY must be
toggled every time a new message must be sent on serial.
Bit 7 Bit 6 Bit 5
0 0
Toggle between 0 and 1
0...498 (number of bytes to send on serial)
0 "0" must be written
Examples:
- Send on serial 4 bytes: 00 04 01 02 03 04
- Send again the same 4 bytes: 80 04 01 02 03 04
- Send 8 bytes: 00 08 05 06 07 08 09 0A 0B 0C
ADFweb.com S.r.l.
Byte 3 Byte 4 Byte 5
... ... ...
Byte 0 (YY)
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 0 0 0
User Manual PROFINET / Serial
Document code: MN67601_ENG
Byte 6
...data
Byte 1 (ZZ)
Bit 7 Bit 6 Bit 5 Bit 4
Revision 1.004 Pagina 22 di 30
Bit 3 Bit 2 Bit 1 Bit 0