T Parameter (Centralised?)

Hi.

I am a little new to PLCs.

I have a program running.  I have 5 on-delays which are all set to 25 minutes.  This is working fine.  It would however be nice if when accessing directly via the control panel, you could choose a single parameter to change which would change all the on-delays.  Is this possible?  I can see you can set the T parameter from another function, but these are all variables, not fixed values?

Also, these time delays are currently nested inside a UDF, which I don't believe you can access the parameters from the control panel?

Thanks.

Great, thanks.

I can get that working in a demo, but I cannot get the parameter P1 of the A Mux to appear as a parameter that is adjustable on the device menu itself?

I also cannot work out how to have the A Mux in the parent logic, and pass to the child UDF?  Actually, now I think, I didn't declare the parameter in the UDF settings, so assume this is why it didn't appear in the menu of the device itself?  Will try tomorrow.

Thanks.

Sorry, you used a Mathematical Instruction.  I used a Mux in my demo.

Is it possible to place Mathematical Instruction and have the analogue output from it feed into a UDF? That is where my timers are (well in two separate UDFs).  Ideally I would place the Mathematical Instruction in the parent main pane, and feed this into the two UDFs where it would feed to the timers T parameter.

I can't drag lines from UDF input to the timers as I do digital inputs?