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1.
Button to return to previous function block.
2.
Number of function block and type of logic oforations
run.
3.
Name of function block. You can insert an optional
descriptive name of the function block.
4.
Button to go to next function block.
5.
Output value when result of function oforations is true.
6.
Graph of DELAY TIMER.
7.
Name of output. You can insert an optional descriptive
name of the output.
8.
Type or variable of activated output.
9.
Duration of ON delay.
10. Duration of OFF delay.
11. Unità di misura dei tempi di ritardo (secondi o minuti).
12. Type or variable of input evaluated for input d.
The Input d box is used to insert an optional descriptive
name of input d.
13. Type or variable of input evaluated for input c.
The Input d box is used to insert an optional descriptive
name of input c.
14. Type or variable of input evaluated for input b.
The Input d box is used to insert an optional descriptive
name of input b.
15. Type or variable of input evaluated for input a.
The Input a box is used to insert an optional descriptive
name of input a.
16. Graph of logic oforation run. The input boxes also show
the value that the input must assume in order to be
considered "true".
17. Selection of logic function applied to function block.
18. Button to print Logic Function Block in use.
19. Button for initialising Logical Functional Blocks (as upon
controller power-on).
20. Button for showing an overview of the function blocks
enabled.
21. Button for showing the function block shown in the box.
22. Display current status of input a (only if controller is
connected).
23. Display current status of input b (only if controller is
connected).
24. Display current status of input c (only if controller is
connected).
25. Display current status of input d (only if controller is
connected).
26. Display current status of output (only if controller is
connected).
27. Display current status of ON (only if controller is connected).
28. Display current status of OFF(only if controller is
connected).
80209C_MHW_850-1650-1850_01-2020_ENG_pag. 229
5.16.3.2. Enabling logic function block and selecting
the type of logic function
The logic function block page is enabled automatically as
soon as you select a type of logic function.
If Disabled is selected, the page is not deleted. The configu-
ration of inputs, outputs and delay times remains stored in
the software program.
When you select the type of logic function assigned to the
logic function block, its symbol changes as well, as shown
in the figures below.
TYPE 1 - (a AND b) OR (c AND d)
TYPE 2 - (a OR c) AND (b OR d)
TYPE 3 - a OR b OR c OR d
TYPE 4 - a AND b AND c AND d
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