Detailed description
2.12 Block descriptions
Power Line Basic PLC Program (P3)
2-228 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Only individual variables or arrays can be supported directly by the semaphore technique.
Structure transfers must be subdivided into individual jobs. The user must ensure data
consistency of this structure by programming a semaphore system.
If IVAR2 = -1, data are transferred without a semaphore.
Data exchange with semaphore in PLC (schematic of FC 21)
6HPDSKRUH
6HPDSKRUH
6HPDSKRUH "
6HPDSKRUH "
(UU&RGH
(UURU
(UU&RGH
(UURU
)XQFW
(UU&RGH
(UURU
(UU&RGH
(UURU
)XQFW
M
Q
M
Q
ZULWH
7UDQVIHU
GDWDIURP
3/&WR1&
7UDQVIHU
GDWDIURP
1&WR3/&
UHDG
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