9 Operation
Maschinenfabrik Reinhausen GmbH 2022
145
8595017/00 EN
TAPCON
®
250
4. Press the
Accept
button to save the modified parameter.
U switching direction
You can use this parameter to set the switching direction for voltage regula-
tion. You can use this to adjust the behavior of the device based on how
your on-load tap-changer and motor-drive unit are configured. You can se-
lect the following options:
Setting
Meaning
Standard
The device issues a signal via the
Raise
output to increase the
voltage.
The device issues a signal via the
Lower
output to reduce the
voltage.
Swapped
The device issues a signal via the
Lower
output to increase
the voltage.
The device issues a signal via the
Raise
output to reduce the
voltage.
Table 42: Behavior
Switching direction monitoring
You can use this parameter to set the switching direction monitoring. This
function monitors whether a tap-change operation in the wrong direction has
been undertaken (e.g. due to a wiring mistake).
If a tap-change operation in the wrong direction is detected, the device is-
sues the event message
Switching direction monitoring
and blocks auto-
matic regulation. Automatic regulation is blocked until you acknowledge the
event.
Switching direction monitoring is not active if you control the motor-drive unit
with a continuous pulse [
Also refer to
2
Setting the switching pulse for controlling the motor-drive unit [
9.5.2 Setting the switching pulse for controlling the motor-drive unit
You can use the parameters Switching pulse type, Switching pulse time and
Switching pulse pause to adapt the device switching pulse to the require-
ments of the motor-drive unit controller.
1. Go to
Settings > Parameters > Motor and control cabinet > Motor
control
.
2. Select the desired parameter.
3. Set the parameter.
Summary of Contents for TAPCON 250
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