En = 0: The function sets the AQ value to 0.
En = 1: The function outputs a value at AQ, depending on
the settings of Mode and S1.
If you do not select the checkbox "when En = 0, reset
Max/Min":
En = 0: The function holds the value of AQ at the current
value.
En = 1: The function outputs a value at AQ, depending on
the settings of Mode and S1.
Mode = 0: The function sets AQ to the minimum value
Mode = 1: The function sets AQ to the maximum value
Mode = 2 and S1 = 0: The function sets AQ to the
minimum value
Mode = 2 and S1 = 1: The function sets AQ to the
maximum value
Mode = 3 or a block value is referenced: The function
outputs actual analogue input value.
Max/Min block upper/lower function
In the dialogue box of Max/Min block, there is an
upper/lower limit setting, when the block output the AQ
value is less than the lower value, the AQ shall be equal
to the Lower value; While the block output the AQ value
is more than the upper value, the AQ shall be equal to the
upper value.
If someone wants to use the upper/lower limitation for
other function blocks. such upper/lower limit function can
be used, then this block can be referenced as other blocks
parameters when programming.
Here is an example:
Someone wants to use the panel key to change the on-
delay parameters for 1s—10s in the text message block, if
the value which user set exceeds such range, then it will
crush the machine, hence we must add the upper/lower
limitation in the program to avoid such trouble.
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