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Siemens SIMATIC S7-GRAPH User Manual

Siemens SIMATIC S7-GRAPH
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Instance DB
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
15-13
"Individual structures" Option
If you selected the "Individual structures" option, the structures of the steps are
entered in the instance DB as separate sections, as follows:
Structure Name Length in Bytes
<Step1> 32
...
<Stepn> 32
Internal access uses the step number or the step name followed by the name of
the structure element.
This means that the following access is possible in conditions or actions:
S003.X
S017.T
DRY.X
External access uses only the step name (structure name) followed by the name of
the structure element, as follows:
DRY.X
DRY.T
15.12 Sequencer Status
The sequencer status area consists of several components (arrays or structures)
containing information about the status of the sequencer, as follows:
Permanent Instructions Component
Index Arrays Component
Mode Component (Mode of Operation, MOP)
Activation Time Component
Group Bits Component
The sequencer status area starts at the address: a = FB parameter length +
transition array length(s)+step array length(s).

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Siemens SIMATIC S7-GRAPH Specifications

General IconGeneral
BrandSiemens
ModelSIMATIC S7-GRAPH
CategoryIndustrial Equipment
LanguageEnglish

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