Mitsubishi Electric MELSECQ Series User Manual page 109

7
PROGRAMMING
<Present value storage>
Module
READY
<Processing at count coincidence>
Module
READY
<Preset execution>
Module
READY
<Periodic pulse counter function>
Module
READY
<Overflow detection processing>
Module
READY
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Present value
read signal
CH1 CH1
Counter Coincidence
value signal reset
coincidence command
CH1 Coincidence
Counter LED clear
value signal
coincidence
CH1 CH1
Counter Coincidence
value signal reset
coincidence command
Preset
command
signal
Periodic
pulse
count data
read
command
Previous Judgment
periodic value for
pulse count updated
value periodic
storage pulse count
value
Periodic pulse
count start
command
Overflow
status
storage
7.2 Program Example when GX Configurator-CT is not Used
7.2.2 Program example when dedicated instructions are not used
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\
CH1 Present
Present value
value A storage
Coincidence
confirmation
LED signal
CH1
Coincidence
signal reset
command
CH1
Coincidence
signal reset
command
CH1 Preset
command
Previous
periodic
pulse count
value
storage
Set only when the
periodic pulse
counter function
Previous
periodic is used.
pulse count
value
storage
CH1 Periodic
pulse counter
start command
\
CH1 Overflow
Overflow status
Set only when the
detection flag storage
linear counter
function is used.
Overflow
occurrence
confirmation
LED signal
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