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3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Timer and Counter Instructions
3
TMUH/TMUHX
• When TIMU(541)/TIMUX(556) is in a program section between IL(002) and ILC(003) and the
program section is interlocked, the PV will be reset to the SV and the Completion Flag will be turned
OFF.
• TIMUH(544)/TIMUHX(557) timers may not time accurately when used in a program section jumped
by the JMP(004), CJMP(510), CJPN(511), and JME(005) instructions.
• When a TIMU(541)/TIMUX(556) timer is forced set, its Completion Flag will be turned ON. When a
TIMU(541)/TIMUX(556) timer is forced reset, its Completion Flag will be turned OFF.
•
If online editing is used to overwrite a timer instruction, always reset the Completion Flag. The timer
will not operate properly unless the Completion Flag is r
eset.
Example Programming
When timer input CIO 0.00 goes from OFF to
ON in this example, the timer PV will begin
counting down. The Timer Completion Flag,
T0000, will be turned ON after 1.23 ms.
When CIO 0.00 goes OFF, the Timer
Completion Flag, T0000, will be turned OFF.
or
TMUH
#0123
&0123
TMUHX
0.00
0.00
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