User`s guide

9300 Series User’s Guide Residual Current Calculation (I4)

Chapter 5 - Features and Applications Page 131

Changing the Meter Password

1. Select S

ECURITY from the Setup menu.

2. You will see that the screen displays 00000. Enter the current password. If you

have not previously changed your password, the default is 00000.

3. Choose M

ODIFY PASSWORD to alter your password (the FACTORY USE ONLY

option is for factory purposes and is not accessible).

4. Enter your new numeric password.

 To change the value of the highlighted digit use the Up and Down arrow

buttons.

 To change the position of the cursor one space to the left, hold the Up arrow

button for about one second.

 To change the position of the cursor one space to the right, hold the Down

arrow button for about one second.

5. Select Y

ES to accept your new password. You will be returned to the Setup

menu.

Residual Current Calculation (I4)

The Power Meter module provides an output register labeled “I4” which holds the

residual current value, derived from the three phase current measurements. As

such, I4 represents the ground fault current, or the current flow in the neutral or

ground conductor.

This quantity is only available when the meter's Volts Mode is set to 4-W

IRE WYE. If

the Power Meter module is set to any other Volts Mode, the I4 output will read N

VAILABLE.