Siemens SINUMERIK 802D sl Function Manual page 187

The start signal must be set to logical 0 by the user once the ASUB has been completed or if
an error has occurred.
Note
The call of the ASUB PI service must have been completed before an ASUB may be started.
Initialization
The initialization is performed via the ASUB PI service, see also Section "Starting PI services
in the NCK area (A2)".
Starting an ASUB
The time sequence of an ASUB is shown in the following pulse diagram in the example of
PLCASUP1_SPF. You can see from the table which interface signals are of relevance for
PLCASUP2_SPF.
Table 10- 11 Assignment of the signals to the pulse diagram
Signal
Start
Being executed
Completed
Error
Interrupt no. not allocated
①
②
③
④
⑤
⑥
⑦
Figure 10-3
Turning, Milling, Nibbling
Function Manual, 11/2012, 6FC5397-1CP10-5BA0
Function activation via positive edge of Start
ASUB is being executed
Positive acknowledgment: ASUB ended
Reset function activation after receipt of acknowledgment
Signal change through PLC
not permitted. If function activation is reset prior to receipt of acknowledgment, the output
signals are not updated without the operational sequence of the activated function being
affected
Negative acknowledgment: Error has occurred
Pulse diagram for PLCASUP1_SPF
Operating Modes, Program Operation (K1)
Address - PLCASUP1_SPF
V3400 0000.0
V3400 1000.1
V3400 1000.0
V3400 1000.3
V3400 1000.2
10.3 Processing a part program
Address - PLCASUP2_SPF
V3400 0001.0
V3400 1001.1
V3400 1001.0
V3400 1001.3
V3400 1001.2
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