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Function block library<br />
5.1.12.2 Example<br />
5.1.13 Latching relay<br />
48<br />
Output Q is set by input S. Input R resets output Q. See type conversion 17<br />
how numbers are<br />
converted to bool.<br />
Inputs Type Defau<br />
lt<br />
Description<br />
S bool false If S is true Q becomes true.<br />
R bool false If R is true Q is reset to false. R overrules S.<br />
Par bool false Remanence:<br />
false: No remanence<br />
true: The current status is saved to remanent memory (independent of S<br />
or R).<br />
Outputs<br />
Q bool Q is switched to true by S and remains true until R becomes true.<br />
Timingdiagramm<br />
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