Structuring Mode Fpos (Position Functions) - Siemens SIPART DR22 Manual

Manual 3 Operation
3.3 Configuring level (parameterization and structuring mode)
3.3.9

Structuring mode FPoS (position functions)

3.3.9 Structuring mode FPoS (position functions)
In the FPos mode (only appears when S4 = 1) the chronological order for processing the functions
defined by YES in FdEF is determined. This chronolgical processing of the freely connectable range
is inserted in the processing cycle of the controller at the right time.
The position numbers 1 to 31 are called as questions and the positioning is established by assigning
to a function (answer).
Only defined functions appear in the answer cycle, already positioned functions are automatically
deleted from the answer cycle.
For positioning, the guideline applies that the input variables of a function have already been calcu-
lated before they have been processed. Since this requirement cannot be met, it must be taken into
account that values from the previous cycle are used for operation in the case of feedbacks.
If a positioned function is defined by no in FdEF, this function is deleted from the positioning list.
The order for processing the other functions remains unchanged. The gap is closed automatically
by shiting them together.
Existing positioning sequences can be corrected with inSt, dElt and nPos (in the answer cycle).
D Function inSt (insert)
To insert a not yet positioned function in an existing positioning sequence.
Set the position with ±∆y-keys (13) in place of which the not yet positioned function block is to be
inserted. Set inSt with ±∆w-keys (6) inSt, the Enter-LED flashes and indicates the effectiveness of
the Enter key.
On pressing the Enter key (9), the set position number no** is defined by nPoS and the Enter LED
goes out.
The previous positioning series from no** is shifted up one position, the nr** can now be overwritten
with the still free function. If the end of the positioning sequence is reached by the inSt function (posi-
tion number >31), the function cannot be executed (Enter LED does not go out).
D Function dELt (delete)
To close nPoS- gaps within a positioning sequence. Set the position number which is to be deleted
with ±∆y-keys (13). Set dELt with the±∆w-keys (6), the Enter LED flashes and indicates the effecti-
veness of the Enter key (9). On pressing the Enter key the set position number nr** is defined by
the function of the following position numbers. The previous positioning sequence is moved down
one position number from no**.
D Function nPoS (not positioned)
To exchange function blocks within a positioning sequence. Select the position numbers to be chan-
ged with the±∆y-keys and mark respectively with nPoS. Then the functions overwritten with nPoS
are available again in the answer cycle. They can be assigned to the position numbers occupied
with nPoS.
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SIPART DR22 6DR2210
C79000-G7476-C154-03