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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
13 High-Speed Processing – FNC 50 to FNC 59
13.6 FNC 55 – HSZ / High-Speed Counter Zone Compare
Timing chart
In the part [1] in the timing chart, Y010 remains OFF if the current value of a high-speed counter (C235 in the example
below) is "0" when restoring the power.
1) For initializing Y010, the current value of C235 is compared with K1000 and K1200, and Y010 is driven using the
DZCPP instruction (for general zone comparison) as pulse operation only upon startup.
2) The comparison result in Y010 is latched until an input pulse is input and the comparison output is driven by the
DHSZ instruction.
3) According to the current value of the counter, the DHSZ instruction drives the output (A), (B) or (C).
(input pulse for
C235)
X000
(smaller than
zone)
X010
(inside zone)
Y010
(larger than zone)
Y011
(present value of counter)
0
1000
1200
Y012
(Start)
A
B
C
[1]