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6 Message Frames
6.5 Message frame overview
Function
Request by operator via screen form
Request to production control to receive NC data
Rejection by production control (negative acknowledgem.)
Rejection by CNC
Request to send next data block
Message: End of NC program transmission
Acknowledgement for end message: positive
Acknowledgement for end message: negaitive
Abort by CNC
Abort by production control
Notes:
aaa = MPF (Main Program File)
aaa = SPF (Sub Program File)
aaa = ZOA (Zero Offset Active)
aaa = RPA (R Parameter Active)
aaa = TE1, TE2, TE4 Machine Data
aaa = TOA Tool Offsets
aaa = SEA, SE4 Setting Data
If the transmission initiative is taken by the computer,
the complete scope of functions can be used.
Transmission of main programs (MPF) and subroutines
(SPF) can be requested by the production control computer
or by the operator.
NC erase program
Production control requests ready-to-receive state for erase
program
Rejection by CNC (negative acknowledgement)
CNC requests transmission of erase program
Rejection by production control
Transmission of erase program to CNC
End-of-transmission message for erase program
Abort by production control
Abort by CNC
Acknowledgement to NC erase program
NC erase program successfully executed
NC erase program not executed
6–12
RDaaa
RDaaaF
PTaaaF
TNaaa
RNaaa
RNaaaFE
REaaa
TNaaaF
RNaaaF
PRCLF
PRCLFF
TNCLF
TNCLFF
RNCLF
RNCLF
TNCLFF
RNCLFF
RNKOM
RNKOMF
© Siemens AG 1989 All Rights Reserved
Identific-
Prod. ctrl
Message
ation
CNC
fr. type
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E
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E
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6FC5 197-0AB20-0BP0
SINUMERIK 840/880 (PJ)
06.91
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
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