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MELSEC-Q
3   SPECIFICATIONS 
 
Device 
No. 
Signal name  Details 
Initial 
value 
*1 
X10 CH1 
X11 CH2 
X12 CH3 
X13 CH4 
X14 CH5 
X15 CH6 
X16 CH7 
X17 CH8 
Accumulating 
counter 
comparison 
flag 
OFF: Accumulating 
count value 
 
Comparison 
output setting 
value 
ON :  Accumulating 
count value 
 
Comparison 
output setting 
value 
•  This signal turns ON if the "accumulating count value" 
reaches or exceeds the "comparison output setting value". 
The "accumulating count value" is stored into the buffer 
memory for each channel. Set the "comparison output 
setting value" to the buffer memory for each channel. 
(Refer to Section 3.4.2 for details.) 
•  This signal remains ON until the comparison signal reset 
request (Y10 to Y17) turns ON. 
•  Once turned OFF, this signal does not turn ON until the 
accumulating count value reaches the comparison output 
setting value again after it has been reset. 
Accumulating count value
OFF
ON
ON
Executed by QD60P8-G
OFF
Count cycle
setting value
Comparison output
setting value
ccumulating counter
comparison flag
(X10 to X17)
Comparison signal 
reset request
(Y10 to Y17)
Executed by sequence program
 
OFF 
 
*1: Initial value set at power-on or when the programmable controller CPU is reset.