.timercountms Property
| Function: | Returns the amount of time (in milliseconds) elapsed since the device powered up. | 
| Type: | Dword | 
| Value Range: | 0-4294967295 | 
| See Also: | on_sys_timer, sys.timercount, sys.timercount32, sys.timercountmse | 
Details
Once the value of this timer reaches 4294967295, it rolls over to 0.
Care should be exercised, because this property is not read-only. For the read-only variant, see sys.timercountmse.