OMICRON 37
CT Analyzer test cards for MR Test mode
8.2 MR-Config. card for MR Test mode
Use the MR-Config. card to configure the multi-ratio test. In this card, set
â–º the number of taps available on the CT,
â–º the "tap in use", i.e., the tap combination (ratio) actually used and connected to the operating burden
during operation of the CT,
â–º the nominal CT ratios for the tap combinations,
â–º and select the tap combinations you want to test during the multi-ratio CT test.
If necessary, use the cursor keys to scroll the table.
Figure 8-2: MR-Config. card for MR Test mode
8.2.1 Available soft keys
The following soft keys are available if the MR-Config. card is selected but not in edit mode (the card’s
tab is highlighted as shown in Figure 8-2):
Table 8-2: Soft keys available in the MR-Config. card
Soft key Description
Using the Common Tap to X# soft key you can select the common tap (e.g. tap X5
instead of default tap X1). The common tap is the tap that is used as reference for all
tap combinations (e.g. X1-X2, X1-X3, X1-X4 etc. if the common tap is X1).
If the highest tap (e.g. X5) is selected as common tap, the soft key changes to
Common Tap to X1.
The default common tap can be selected using the Select Startup Mode option in the
Setting Menu, see chapter 7 on page 32.
Use the Show Inter Taps soft key to display the intertap combinations instead of the
tap combinations. If the intertap combinations are displayed, the soft key is labeled
Show Taps.
Examples of tap combinations: X1-X2, X1-X3, X1-X4, etc.
Examples of intertap combinations: X2-X3, X2-X4, X3-X4, etc.
Fields underlined by dotted lines can be edited.
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