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Channel CT Menu

 Page 15

*Balanced Load

A 240V load is considered balanced when it connects to “Line1” and “Line2” of a 120V/240V

panel but has no connection to the panel “Neutral”. With this type of load, the current flowing

through “Line1” is identical to that flowing through “Line2” giving it the term “balanced”. Rather

than using two CTs to sense the exact same current twice, one CT is used and the GEM is

configured with the “Multiplier” setting to double its signal. This is the same as having two CTs

on a balanced load.

The “Channel CT” menu section (Figure 9) is used to configure each GEM channel to match the current

transformers (CT) connected to each channel.

Set all channels CTs

To speed up the CT setup process, all channels may be configured to the most common CT used.

Figure 10

Refer to Figure 10.

1. Check the “Set all channels to selected CT” option (1)

2. Select the desired CT model from the “Select CT” drop-down list (2). This automatically assigns

the proper “CT Type” and “CT Range” required for the selected model

3. Click “Save” (3)

This will caused all channels to be configured for this CT model.

Set all other CTs

Set the remaining CT settings using the procedure below and referring to Figure 11.

1. Make sure the “Set all channels” box is un-selected (1)

2. Enter the channel number (2)

3. Select the CT model of the CT connected to this channel (3). The CT type and range will

automatically be assigned. If using a CT model which is not in the list, then set the drop-down

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Brultech Greeneye Monitor Manual de usuario Pagina 16