Yaskawa MP2000 Series I/O Module User Manual - Manual (Page 114)

4.4 Details of Counter Functions
4.4.3 Coincidence Output and Coincidence Interrupt Functions
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4.4.3 Coincidence Output and Coincidence Interrupt Functions
The Coincidence Output and Coincidence Interrupt Functions output an external output signal (coincidence detection
signal) and output an interrupt signal to the MP2000 Series Machine Controller when the current counter value and a
preset output register value (Coincidence Detection Setting: OL
†††† +4) match.
• The Coincidence Output Request is enabled when “Use” is set to the counter fixed parameter No. 5 (Coincidence
Detection Function Use Selection).
• The Coincidence Interrupt Request is enabled if “Use” is set to the counter fixed parameter No. 6 (Coincidence
Interrupt Function Use Selection).
The following graph shows the number of occurrences from when coincidence detection request signal is output to
when the coincidence point is detected and DWG.I (interrupt drawing) starts execution.
* T: Time when the coincidence point is detected to when DWG.I (interrupt drawing) starts execution (approx. 60
to 440 μ s)
ΠDO-07 is used as a coincidence output signal.
When the counter fixed parameter No. 05 (Coincidence Detection Function Use Selection) is set to “Use,”
DO_07 will be masked. So, when setting a register, which is allocated to DO_07, using a ladder program to
ON or OFF, the setting of this register will not be valid because the other setting has priority.
ΠTo monitor the coincidence detection signal, use Coincidence Detection in the Status (Run Status).
ΠDisable coincidence detection request when using the Count Preset. If the Count Preset is being used with the
coincidence detection request enabled, coincidence point may be detected at the incorrect point because the
matching point before the coordinate system has been rebuilt will be used.
T
DWG.I
0
㧔㧗㧕
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Execute
Current
counter
value
Coincidence
detection request
signal
Coincidence
output signal
Interrupt request
signal
Time (s)
Coincidence detection
set value
Coincidence point