Once-Only Counting - Siemens SIMATIC ET 200S Operating Instructions Manual

2.6.3

Once-Only Counting

Definition
In this mode, the 1Count24V counts once only, depending on the assigned main count
direction ("Main count direction" parameter).
● When there is no main count direction:
● When the main count direction is up:
● When the count direction is down:
Technological Functions
Operating Instructions, 06/2010, A5E00124867-07
– Counts starting from the load value.
– Counts up or down.
– The count limits are fixed at the maximum count range.
– If the high or low counting limit is violated, the gate is closed automatically, and the
counter jumps to the respective counting limit.
– Counts starting from the load value.
– Counts up or down.
– When the high count limit is reached, the counter jumps to the load value and the gate
is closed.
– The high count limit can be assigned parameters, and the load value has RESET state
of 0 and can be changed.
– Counts starting from the load value.
– Counts up or down.
– When the low counting limit is reached, the 1Count24V jumps to the load value and
the gate is closed.
– The low count limit is fixed at 0, and the load value can be assigned parameters
(parameter: high count limit) and can be changed.
1Count24V
2.6 Count Modes
23