Mitsubishi Electric MELSECQ Series User Manual page 106

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
7
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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
PPCVRD1 PPCVRD1
Completion Completion
device status
indication
device
Periodic pulse
count start
command
Overflow
status
storage
7.2 Program Example when GX Configurator-CT is not Used
7.2.1 Program example when dedicated instructions are used
search engine
\
CH1 Present
Present value
value A storage
Coincidence
confirmation
LED signal
CH1
Coincidence
signal reset
command
CH1
Coincidence
signal reset
command
CH1 Preset
command
PPCVRD1 PPCVRD1
System area Completion
device
Set only when the
periodic pulse
counter function
is used.
PPCVRD1 Previous
Previous periodic
periodic pulse pulse count
count value value storage
CH1 Periodic
pulse counter
start command
\
Set only when the
CH1 Overflow
linear counter
Overflow status
function is used.
detection flag storage
Overflow
occurrence
confirmation
LED signal