7 Operation
Maschinenfabrik Reinhausen GmbH 2019 1335163667/06 EN ETOS
®
IM
7.5 Measurement
7.5.1 Setting UI measuring channels
If you are measuring the voltage and current with the 3-phase UI 3 measur-
ing module, you can use this parameter to set the measurement channels in
use:
Option Description
1-ph. measurement: Channel 1 The device uses 1 channel each for measure-
ment of voltage and current.
3-ph. measurement: Channel 1,
2, 3
The device uses 3 channels each for measure-
ment of voltage and current.
3-ph. voltage, 1-ph. current The device uses 3 channels for voltage measure-
ment and 1 channel for current measurement.
Table40: UI measuring channels
To set the UI measuring channels, proceed as follows:
1. Go to Settings > Parameters > Measurement > UI measuring chan-
nels.
2. Select the option you want.
3. Press the Accept button to save the modified parameter.
7.5.2 Control variable
If you are measuring the voltage and current with the 3-phase UI 3 measur-
ing module and using the "single-phase" regulation mode, this parameter
can be used to select the phase used for voltage regulation. You can select
the following options:
▪ L1/N or L1/L2
▪ L2/N or L2/L3
▪ L3/N or L3/L1
To set the control variable, proceed as follows:
1. Go to Settings > Parameters > Measurement > Control variable.
2. Select the option you want.
3. Press the Accept button to save the modified parameter.
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