variable sustitution

[ndingle]

I need to be able to enter an expression at run time that will be used for calibration. This expression can take on many forms so I can not set it up at design time. Example I may need to just add an offset, or add a multiplier, or some other function. Is this possible in lookout?

[Khalid]

You can use a Pot for this either directly or in an Expression.

So, for instance you want to add something to a value read from your PLC and make the result the new SetPoint, you will have the following Expression:

Exp1 = Modbus1.40001 + Pot1

Hope this helps. If what you're trying to accomplish is not this, please write back with more details.

Regards,

Khalid