Error result in simple ST 'IF Else' result

2021-07-31T15:55:03.652000Z

take a look in your Program Modbus

IF  GVL.AC_Running := TRUE THEN
    AC_PWR_Use := GVL.AC_Watts;
END_IF

you wanted to check GVL.AC_Running = TRUE but you set it to true.

to avoid such mistakes simply use statements like

IF xRunning THEN
    ...;
END_IF

IF NOT xRunning THEN
    ...;
END_IF

Error result in simple ST 'IF Else' result

2021-07-31T11:41:40.034000Z

project please. and simulation mode or downloaded to plc? which ide version?

Error result in simple ST 'IF Else' result

2021-07-31T11:24:48.171000Z

Hi, The result of a simple IF Else command is incorrect. I know this seems impossible but seeing is believing. Image attached. The variables have been set correctly; one WORD 'GVL.AC_Watts' and one BOOL 'GVL.AC_Running'. Why is the BOOL showing 'TRUE' when clearly 71 > 100 is 'FALSE'

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