Hi,
I'm using IFM CR0401 controller.
Can enyone explain me why my retain timer (TON), is set to true after power loss (doesn't hold old value, ET = PT).
I tried with very simple piece of test code.
Seems that test variable and counter hold their old values, but not the timer.
VAR RETAIN
test_timer: TON;
test_counter: CTU;
test_variable: BOOL;
END_VAR
test_timer(IN:= TRUE, PT := T#300s);
test_counter (CU := test_variable, PV := 10);
I'm using IFM CR0401 controller.
Can enyone explain me why my retain timer (TON), is set to true after power loss (doesn't hold old value, ET = PT).
I tried with very simple piece of test code.
Seems that test variable and counter hold their old values, but not the timer.
VAR RETAIN
test_timer: TON;
test_counter: CTU;
test_variable: BOOL;
END_VAR
test_timer(IN:= TRUE, PT := T#300s);
test_counter (CU := test_variable, PV := 10);