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Deployment I/O periphery
Counting > Counter operating modes
5.6.5.2.3
Main counting direction backward
138
n
The counter counts backward 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.
n
To restart the count process, you have to generate an edge 0-1 at the gate
5.6.6.2 'Gate function' page 142. The counter counts starting with the load value.
n
You may exceed the upper count limit.
Limits
End value
Upper count limit
Valid range of values
-2 147 483 648 (-2
31
)
up to +2 147 483 646 (2
+2 147 483 647 (2
31
-1)
HB300 | CPU | 013-CCF0R00 | en | 19-30
VIPA System SLIO
Ä Chap.
31
-2)
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