Fb_Sact; Description - Siemens SIMATIC PCS 7 Function Manual

The following associated values are used:
Associated value
SD_1
SD_2
SD_3
SD_4
SD_5
SD_6
SD_7
SD_8
SD_9
SD_10
5.2

FB_SACT

5.2.1

Description

Object properties
The following table shows the object properties of FB_SACT:
FB_SACT
Area of application
The "FB_SACT" (storage process values) block performs rapid updates of up to 10 actual
values for up to 25 "FB_STOR" blocks. It is adapted to the "FB_STOR.pdl" process picture
and can update all 25 storage locations displayed in the picture, along with their parameters,
in one single operation.
The block has the following functions:
● Collecting actual values of storage locations (max. of 25) requested by the OS
● Processing data and transferring data to the OS in a job with the "FB_UA_WM" block
● Monitoring data communication (generation of alarms)
Startup characteristics
The "FB_SACT" 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.
Advanced Process Functions (APF)
Function Manual, 07/2016, A5E38719883-AA
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Name Number
FB1783
Format
BA_NA
STEP_NO
BA_ID
ID
REC_ID
NAME part 1
NAME part 2
Family
APF
Storage location management
5.2 FB_SACT
Value
Module
Storage location man‐
agement
75