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IC 40 function > Analogue operating modes 21 – 27
4.6.6 2-point operation with characteristic curve
switchover II
Operating mode 26
In idle state (DI 1 with no signal), the actuator is in “low”
position (“low” position may also be 0° = “closed”
position).
Each circuit combination of DI 1 and DI 2 determines
precisely one actuator position:
A change in the circuit combination directly triggers
approach to the new position.
“High” position may also be lower than the “analogue
chart” positions in this case. The opening speed is pre-set
via the running time t1 for the entire “low” to “high”
actuating travel. Accordingly, the closing speed is set
with t2 for the entire “high” to “low” actuating travel. The
speeds are independent of the digital inputs and the
analogue input in this case.
Two characteristic curves, each with 5 interpolation
points, are available, see page 57 (Inputs). 49
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