Lenze L-force I/O System 1000 - Manual (Page 53)

2.0 EN - 11/2010
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53
L-force Controls | I/O System 1000
Parameter setting
Electronic modules - counters
6.6.6 Counting only once: Main counting direction - counting down
Function:
 The counter starts counting down from the start value.
 If the counter reaches the final value +1 in the negative direction, it jumps to the start
value with the next count pulse and the counter will stop automatically.
 After a restart, the counter starts counting from the start value.
 The counter is able to continue counting above the upper counting limit value.
[6.5] Example of "Counting only once" with main counting direction - counting down
Limits Counting range
Final value -2 147 483 646 (-2 31 +1) … +2 147 483 646 (-2 31 -1)
Upper counting limit +2 147 483 646 (-2 31 -1)