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Function
high
middle
low
closed
DI 1
DI 2
Operating mode 3
3 .5 .3 2-stage operation with one or two digital inputs
Operating mode 3
In idle state (DI 1 and DI 2 with no signal), the actua-
tor is in "low" position ("low" position may also be 0° =
"closed" position).
Control via two digital inputs
If digital input DI 2 is activated, the actuator moves
from "low" position to "middle" position within running
time t
.
1
If, in addition, digital input DI 1 is activated, the actuator
approaches "high" position within running time t
When the signal at DI 1 drops, the actuator moves back
to "middle" position within running time t
the control element to "low" position within running
IC 40 · Edition 07.18
t
t
1
2
.
2
and closes
3
t
t
3
4
time t
if the signal is also disconnected from DI 2.
4
The actuator operates in high/middle/low (high/mid-
dle/closed) intermittent mode.
DI 1
DI 2
Off
Off
On
Off
Off
On
On
On
In this operating mode, digital input DI 1 has priority
and its signal always leads to opening of the actuator to
"high" position.
▼
t
t
1
2
t [s]
t [s]
Position
low/closed
high (DI 1 has priority)
middle
high
17
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