Generation - Siemens SIMATIC PCS 7 Function Manual

Process control system, advanced process functions apf
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Storage location management
5.4 FB_STLOC
Startup characteristics
The "FB_STLOC" block is called from the startup OB upon CPU startup. This call is configured
during CFC configuration by the CFC editor. Internal data and outputs are reset upon startup.
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_RM" communication block on the AS level is performed via
the "UDT_UA_R_REQ_ST" (request) and "UDT_UA_R_ST" (feedback) structures.
For operator control and monitoring, signal exchange takes place between the AS and the OS
via the inputs/outputs of the "FB_STLOC" block.
Operator control and monitoring tags are used for data communication between the AS and
OS.
Corresponding scripts for the function block and its functionalities on the AS level are available
for handling on the OS level.
The "ALARM_8P" structure is used to implement data communication with the OS message
system.
5.4.2

Generation

The "FB_STLOC" block is not generated by the APF Engineering Tool. It is available in the
APF library.
94
Advanced Process Functions (APF)
Function Manual, 07/2016, A5E38719883-AA

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