Configuring toroid settings for RCM using the display
- Navigate to .
- Enter the setup passcode (default is “0”), then press OK.
- Navigate to .
-
Select Edit.
or , then press NOTE: The default toroid turns setting for I5 and I6 is 1000. Theand can be set from 300 to 3000.
-
Modify the parameters as required, then press OK.
Toroid turns setting example
Toroid Turns
Residual current measurement starts at
(mA)Measured residual current meets specified accuracy
Primary current through sensor not to exceed
(1.5 X Toroid turns) (mA)From
(0.005 X Toroid turns)* (mA)To
(1.2 X Toroid turns) (mA)300
3
5
360
450
600
5
720
900
1000 (Default)
5
1200
1500
1500
7.5
1800
2250
2500
12.5
3000
3750
3000
15
3600
4500
* For toroid sensors with turns less than 1000, the formula is not applicable - measured residual current meets specified accuracy starting from 5 mA.