Chapter 4 CPU modules MASTER-K
4-24
M1904 : RTC data change bit
When the M1904 bit is switched on, the new data in D4990 ~ D4993 (K1000S :
D9990 ~ D9993) will be moved to F53 ~ F56. After data is moved, M1904 has to be
switched off immediately because current data will be updated every scan while
M1904 is on.
<Example program for K200S / K300S>
[ MOV h9901 D4990 ]
[ MOV h1711 D4991 ]
[ MOV h5324 D4992 ]
[ MOV h1900 D4993 ]
[ D M1904 ]
Start switch
P000
Other Program
:1999 January
:17th 11 o’clock
:53min 24sec
:1999, Sunday
:Changing enable