YASKAWA VIPA System MICRO M13-CCF0000 Manual page 106

Deployment I/O periphery
Counting > Counter operating modes
5.6.5.2.2 Main counting direction forward
106
n The counter counts forward starting with the load value.
n When the counter reaches the End value -1 in positive direction, it jumps to the load
value at the next count pulse and the gate is automatically closed. If enabled addition-
ally a hardware interrupt is triggered.
To restart the count process, you have to generate an edge 0-1 at the gate
n
5.6.6.2 'Gate function' on page 111. The counter counts starting with the load value.
n You may exceed the lower count limit.
Limits
End value
Lower count limit
Valid range of values
31
-2 147 483 647 (-2 +1)
up to +2 147 483 647 (2
-2 147 483 648 (-2 31 )
HB400 | CPU | M13-CCF0000 | en | 16-47
VIPA System MICRO
Ä Chapter
31 -1)