Excuse me HW function is HW function off: memory, such as $HW=$W10 and $W10=2, the number 2 is the label number, is not if $HW is not equal to $W10, so $W10 is not equal to 2 after a power failure.
Re: Time:2016-5-9 11:03:00
$HW is poo HW function maintain, HW function it is under no outside use and power outages remained.