5.6.7 Counter - Additional functions
5.6.7.1
Overview
The illustration shows how the additional functions influence the counting behavior. The
following pages describe these additional functions in detail:
5.6.7.2
Gate function
n
Starting, stopping and interrupting a count function of
counter 0
to
counter 2
exclu-
sively happens via the SW gate by setting the SW gate of
COUNT - Counter controlling’ on page 105
.
n
Starting, stopping and interrupting a count function of
counter 3
happens via the
internal gate (I gate). The i gate is the result of logic operation of HW gate and SW
gate. The HW gate evaluation of the connection
‘Gate 3’
may be deactivated by the
parametrization. With a de-activated HW gate evaluation the triggering exclusively
happens by setting the SW gate of
Chapter 5.6.4 ‘SFB 47 - COUNT - Counter con-
The parametrization defines if the gate interrupts or aborts the counter process.
n
At
abort function
the counter starts counting with the
load value
after gate restart.
Schematic structure
Function
Gate function abort and
interrupt
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Counting > Counter - Additional functions
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