6 Functions and settings
Maschinenfabrik Reinhausen GmbH 2016
107
5163667/00 EN
TRAFOGUARD® ISM®
Setting motor runtime monitoring
The motor-drive unit's runtime can be monitored by the device. This function
is used to identify motor-drive unit malfunctions during the tap-change oper-
ation and to trigger any actions needed.
The motor-drive unit issues the
Motor-drive unit running
signal during the
tap-change operation. This signal is present until the tap-change operation is
complete. The device compares the duration of this signal with the set motor
runtime. If the set motor runtime is exceeded, the device triggers the follow-
ing actions:
1.
Motor runtime exceeded
event.
2.
Pulse signal via
Trigger motor protective switch
output relay
Note that motor-drive units with cycle settings or motor-drive units without
stepped switching behavior will run for longer under certain circumstances.
Set a longer motor runtime for such units.
The following parameters are available to configure the motor runtime moni-
toring:
▪
Motor runtime
▪
Motor runtime monitoring
Motor runtime
You can use this parameter to set the motor runtime. Proceed as follows:
1.
Go to
Settings > Parameters > Motor control > Motor runtime moni-
toring
.
2.
Enter motor runtime.
3.
Press the
Accept
button to save the modified parameter.
Motor runtime monitoring
You can use this parameter to activate or deactivate motor runtime monitor-
ing. Proceed as follows:
1.
Go to
Settings > Parameters > Motor control > Motor runtime moni-
toring
.
2.
Select the option you want.
3.
Press the
Accept
button to save the modified parameter.
Setting the switching direction
You can use this parameter to set the switching direction. This lets you ad-
just the behavior of the device based on how your on-load tap-changer and
motor-drive unit are configured. You can select the following options:
6.5.2
Behavior
6.5.3
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