7 Applied Instructions
7.6 High Speed Processing
292
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
8. Reset operation by an external terminal
→ Refer to caution 5 in "Common cautions on using instructions for high speed counter" which is
described in Section 7.6.4.
9. Number of occupied devices
1) The comparison value occupies two devices from or respectively.
2) The output occupies three devices from .
Program in which comparison result is set to ON when power is turned ON [ZCP]
instruction
DHSZ instruction outputs the comparison result only when a counting pulse is input. Even if the current value
of C235 is "0", Y010 remains OFF at the time of startup.
For initializing Y010, compare the current value of C235 with K1000 and K1200 and drive Y010 by DZCPP
instruction (for general zone comparison) as pulse operation only at the time of startup.
Refer to the program example shown below.
Explanation of operation
The outputs Y010 to Y012 are as shown below.
Y010 = ON Y011 = ON Y012 = ON
1,000 1,200
Current value of C235
0
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