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IC 40 function
4.1 Operating modes
The operating mode is responsible for the setting properties of the
IC 40.
The running times and dwell positions of the actuator are stored in
the various operating modes but can be reprogrammed at any
time using BCSoft
®
(if mounted on BVA, BVG or BVH).
The actuator operates in continuous and intermittent mode with
various adjustment angles for the “open” position. The ad-
justment angles for the “open” position indicate the approach
position of the actuator in the case of intermittent operation. They
can be changed in BCSoft
®
.
The corresponding operating modes are displayed in BCSoft
®
as
flowcharts by way of example to visualize the opening/ closing
behaviour of the actuator.
4.2 Standard and analogue operating modes
In the standard operating modes, two digital inputs (DI 1 and DI
2) of the actuator are pre -assigned at the works as universal
inputs. If a voltage of 24 V DC or 100 – 230 V AC is applied to the
input, this is recognized as “On” signal (positive logic) . It is not
necessary to set or readjust the voltage magnitude or voltage
type.
In the analogue operating modes, an additional input (AI) is
assigned for the actuator. If an actuator IC 40..A with 4 – 20 mA
analogue input is connected (option), further operating modes
are available in addition to the standard operating modes. The
actuator can approach corresponding intermediate positions via
a current signal to the additional input, see page 58 (Priority and
running time in operating modes 1 – 10).
4.3 Closed, low-fire rate, intermediate and open
position
Depending on the set operating mode, there are 4 posi-tions
which the actuator can approach: Closed = 0° = 0%,
Low = low-fire rate position,
Middle = intermediate position,
High = open position.
The positions not used by the operating mode are barred in this
case.
The “closed position” is always the calibrated zero position of the
device and cannot be readjusted. The other positions can be
defined on site.
Basically, the following parameter limits must be noted.
Ascending sequence of positions:
0% = closed –>
low –>
middle –>
high ≤ 100%
The “high position” may not be selected less than 10%.
If the positions have been changed in the software, BCSoft
®
checks the new values for compliance with the limits and adapts
the positions.
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