CTC Logic Question

Hi Guys,

I have an project where the client has the ability to press a button and this kicks off a 30 minute count down clock.

This all works well as long as the count down does not cross days... i.e. if the clock starts at 11:45pm the clock will stop counting down at mid night.

Can someone point me in the direction of where to look at resolving this issue ?

 

How are you doing the count-down clock? There are many ways of doing this.

 

Hi Darren,

The function is done in the following way:

When the a specific group is set to 100% an integer value representing an amount of time say 30 mins is assigned to a system IO variable. Then logic timer starts and at each 1 sec increment of the logic timer, we subtract 1 sec from our system IO variable. When the system IO variable reaches 0 then it is at the end of the count and the group is set to 0%

Incidentally, when we test this on a PC running PICED and set the pc time to 11:45pm it does not seem to experience the same problem, it is only when the file is loaded onto the touch screen do we have this issue.

Your prompt advice would be greatly appreciated.