Generation - Siemens SIMATIC PCS 7 Function Manual

Storage location management
5.2 FB_SACT
Program execution starts once the "RUNUPCYC" cycles have elapsed.
During startup, the output "QRUN_UP" = 1.
Time characteristics
The block must be called from a cyclic interrupt OB.
Communication
Data exchange with the "FB_UA_WM" communication block on the AS level is performed via
the "UDT_UA_W_REQ_S" (request) and "UDT_UA_W_ST" (feedback) structures.
Operator control and monitoring tags are used to coordinate the data communication between
the AS and OS.
The "ALARM_8P" structure is used to implement data communication with the OS message
system.
5.2.2

Generation

The "FB_SACT" block is not generated by the APF Engineering Tool. It is part of the library
supplied with APF.
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Advanced Process Functions (APF)
Function Manual, 07/2016, A5E38719883-AA