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08.89
Acknowledgement PDU:
COMCLS=
00
(Command Class)
Hex
00
means acknowledgement without data
Hex
COMCOD
(Command Code)
With AP acknowledgements, the COMCOD line describes the result of a job
processing.
00
=
job executed properly
Hex
01
=
job executed properly, requested information is transferred with
Hex
response job.
02
=
job executed properly, special conditions have occurred during
Hex
execution. Additional information in the cells ERRCLS and ERRCOD.
Entries greater than or equal to 10
ERRCLS
(Error Class)
ERRCOD
(Error Code)
When errors occur, correspondingly coded entries are made in these cells. For
entries in ERRCLS, ERRCOD see appendix (Section 9.3, XON/XOFF procedure))
ROSCTR=
02
(Remote Operating Service Control)
Hex
02
stands for acknowledgement without additional field, only with AP header.
Hex
PDULG
This length defines the total length of the PDU.
PROTID
00
Hex
COMCLS
00
Hex
Acknowledgement with data
ERRCLS
xx
ROSCTR
02
Hex
Acknowledgement without data
TACTID
00
Hex
Not used
Message frame structure of acknowledgement PDU
© Siemens AG 1989 All Rights Reserved
SINUMERIK 840/880 (PJ)
MPXADR
00Hex
Not used
COMCOD
xx
Result code
ERRCCOD
xx
SGSQNR
00
Hex
No segmenting
TASQNR
00
Hex
Not used
SPARE
0000
PDUREF
xx
PDUID
xx
PDULG
xx
Length of PDU in bytes
PARLG
0000
Not used
DATLG
0000
6FC5 197-0AB20-0BP0
3 Interface Modules
3.4.2 Transparent data exchange
indicate error.
Hex
Hex
Hex
Hex
3–33
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