Siemens SINUMERIK 840 Planning Manual page 66

06.91
3964-R
Start of
procedure
1
(NAK)
STX DLE 00
Transmission to SINUMERIK 8X0
Transmission to other station (e.g. PLC)
AS 512 response message frame
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SINUMERIK 840/880 (PJ)
Protocol header
Identification E.no.
2 3 4
00 00 00
6FC5 197-0AB20-0BP0
3 Interface Modules
3.4.3 AS 512 protocol
3964-R
Procedure
termination
DLE ETX BCC
Hex code of error no.
(if no error: 00)
Identification of response message
frame
00 00 00 = Response message
frame
(NAK)
DLE
3–37