Siemens SINUMERIK 840 Planning Manual page 61

3 Interface Modules
3.4.2 Transparent data exchange
PROTID
COMCLS
Serial transfer
MODFR 1
not used
ROSCTR
Job with acknowledgement
TACTID
not used
AP 1.0
Header
SINUMERIK
Messagefra
me
Message frame structure for job PDU
3–32
Job PDU
MPXADR
00
Hex not used
04 COMCOD
Hex
Transparent data exchange
MODFR 2
00
Hex
not used
01
SGSQNR
Hex
no segmenting
00 TASQNR
Hex
not used
SPARE
PDUREF
PDUID
PDULG
Length of PDU in bytes
PARLG
not used
DATLG
Length of message frame data in bytes
Identification
Error numbers
Useful data
(max. 244 bytes, with
connection to SIEMENS FMS
systems max. 224 bytes)
© Siemens AG 1989 All Rights Reserved
08.89
00
Hex
02
Hex
00
Hex
00
Hex
00
Hex
0000
Hex
xx
xx
xx
0000
Hex
xx
6FC5 197-0AB20-0BP0
SINUMERIK 840/880 (PJ)