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6.2.5.2: Configuring CT Setting
The CT Setting has three parts: Ct-n (numerator), Ct-d (denominator), and Ct-S (scaling).
1. Press the Enter button when Ct is in the A window.
The Ct-n screen appears. You can either:
• Change the value for the CT numerator.
• Access one of the other CT screens by pressing the Enter button: press Enter once to access the Ct-d
screen, twice to access the Ct-S screen.
NOTE: The Ct-d screen is preset to a 5 amp or 1 amp value at the factory and cannot be changed.
a. To change the value for the CT numerator
From the Ct-n screen:
• Use the Down button to select the number value for a digit.
• Use the Right button to move to the next digit.
b. To change the value for CT scaling
From the Ct-S screen:
Use the Right button or the Down button to choose the scaling you want. The Ct-S setting can be 1, 10, or 100.
NOTE: If you are prompted to enter a password, refer to Section 6.2.4 for instructions on doing so.
2. When the new setting is entered, press the Menu button twice.
3. The Store ALL YES screen appears. Press Enter to save the new CT setting.
Example CT Settings:
200/5 Amps:
800/5 Amps:
2,000/5 Amps:
10,000/5 Amps:
NOTES:
• The value for Amps is a product of the Ct-n value and the Ct-S value.
• Ct-n and Ct-S are dictated by primary current; Ct-d is secondary current.
Press Enter
e
Electro Industries/Gauge Tech
Set the Ct-n value for 200 and the Ct-S value for 1.
Set the Ct-n value for 800 and the Ct-S value for 1.
Set the Ct-n value for 2000 and the Ct-S value for 1.
Set the Ct-n value for 1000 and the Ct-S value for 10.
Use buttons to set Ct-n value
Doc# E149701
The Ct-d cannot be changed
Use buttons to select scaling
6-7
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