5. CHANGING SETTINGS
IM 2493AAA-1
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Changing the current Transformer (ct) ratio setting
When you reach the CT setting, the primary value will be displayed it the middle
row and the secondary value will be displayed in the bottom row. Press Set and
the first digit of the primary value will begin blinking. You can increment the
value of this digit by pressing Inc. Once a digit has reached 9 (nine) it will then
go to 0 (zero). To move to the next digit press Next. You can return to the first
digit by pressing Next while the last digit is blinking.
When you have the digits as you want them, press Set. The decimal point will
now be blinking. You can then move the decimal point to the right by pressing
Inc. Once it has reached the last position it will jump to the first position on the
next Inc.
Pressing Set again will bring you to the Multiplier (Kilo) setting. In the leftmost
digit you will see a blinking ‘ |- ‘ and if the multiplier light is on, it will also blink.
You can change the setting by pressing Inc.
If you have a 5 Amp unit, the next time you press Set the value of the secondary
will blink. To change the value, press Inc. There are only two choices: 1 or 5.
If you have a 1 Amp unit, or you have set the secondary on a 5 Amp unit,
pressing Set will now move you to the Confirm mode. All values will blink. If the
values are correct press Set one last time to save them and move on to the
Analog Output settings. Pressing Mode at this time or at any other step in the
process will restore the old CT settings.
The CT primary value can be set to any value between 1.000 and 25000 (5
Amps X 5000 ratio). If it is not in this range you get the error “ErrH” (Too High) or
