MELSEC-A
6. EXECUTING THE COINCIDENCE OUTPUT FUNCTION
6 - 3
POINT
• For the coincidence output function, preset a coincidence output point and
reset coincidence output before turning on the coincidence signal enable
command.
If the coincidence signal enable command is turned on without the operation
above, coincidence output occurs since the coincidence output point and the
count value are the same in the initial state.
• If the following time is not satisfied for the execution of the point No.2
coincidence output reset command, the point No. 2 coincidence output reset
command will not switch on-off.
ON ON
*1
Point No. 2 coincidence
output reset command
{RY(n+2)1(RY(n+2)3)}
*1..... 10 link scans+2 sequence scan
As the point No. 2 coincidence output reset command is only valid on the
leading edge (OFF
ON) of the signal, always make sure that the point No. 2
signal is off before executing the command.
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