MELSEC-A
9. SELECTING AND EXECUTING THE COUNTER FUNCTION
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1) ...... The counter's present value 0 is stored into the periodic pulse count present
value storage area {addresses RWrn+4 to 5 (RWrn+C to D)} (hereinafter
called the present value storage area).
2) ...... The counter's present value 200 is stored into the present value storage area.
The count value 0 stored until then is stored into the periodic pulse count
previous value storage area {addresses RWrn+2 to 3 (RWrn+A to B)}
(hereinafter called the previous value storage area).
3) ...... The counter's present value 20 is stored into the present value storage area.
The count value 200 stored until then is stored into the previous value storage
area.
4) ...... The counter's present value 100 is stored into the present value storage area.
The count value 20 stored until then is stored into the previous value storage
area.
5) ...... The counter's present value 50 is stored into the present value remote register.
The count value 100 stored until then is stored into the previous value storage
area.
6) ...... The periodic pulse counter function is executed independently of whether the
count enable command {RY(n+1)4 (RY(n+1)B)} is on or off.
7) ...... While the periodic pulse counter function is being executed, the following value
is stored into the sampling/periodic counter flag storage area.
Operating Status
During Execution
at CH1 Only
During Execution
at CH2 Only
During Execution
at CH1 and CH2
Remote register
address (RWrn+6)
K1 K2 K3
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