Status: Status of a variable, you have to click on the
corresponding “Set” button.
Changing the state of a variable:
Variable I:
You can’t change the status of variable I.
Variable Q:
When the input pin of output block Q is not connected,
you can change the status of variable Q.
If the input pin of output block Q is already connected
with other blocks, you can’t change the status of variable
Q anymore.
Variable AI:
You can’t change the value of variable AI.
Variable AQ:
When the input pin of analogue output block AQ is not
connected, you can change the value of the variable AQ.
If the input pin of analogue output block AQ is already
connected with other blocks, you can’t change the value
of that variable anymore.
Variable F:
When the input pin of digital flag variable F is not
connected, you can change the status of variable F.
If the input pin of the digital flag block F is already
connected with other blocks, you can’t change the status
of that variable anymore.
Variable AF:
When the input pin of analogue flag block AF is not
connected, you can change the value of variable AF.
If the input pin of analogue flag block AF is already
connected with other blocks, you can’t change the value
of that variable anymore.
Variable HEG:
Cannot be set, can only be read.
Variable M:
You can’t change the status of a variable M; it can only be
read.