IC 40 · Edition 07.18
24
middle
t [s]
high
low
closed
DI 1
DI 2
t [s]
t
1
t
2
Function
Operating mode 7
The opening speed is preset via the running time t
1
for
the entire “low” to “high” setting travel. Accordingly, the
closing speed is set with t
2
for the entire “high” to “low”
setting travel. The speeds are retained when switching
with reduced capacity (signal at DI 2). The running time
is shortened in accordance with the reduced position.
Alternative function (2-stage operation with constant
speed):
DI 1
DI 2
Position
Off
Off
low/closed
On
Off
high
Off
On
low/closed (DI 1 has priority)
On
On
middle
For as long as a signal is applied to DI 1, DI 2 switches
to and fro between “high” and “middle” position. In this
case, it may be practical to invert the logic of digital in-
put DI 2, see page 48 (Switching logic).
This mode of operation ensures that the actuator al-
ways opens or closes at constant speed.
Possible parameter set for this operating mode:
P 68023, see page 45 (Parameter sets).