Manual

Chapter 6 Device Control and Upgrading
Master Reset (Clearing Billing Data)
EM920 Power Quality and Revenue Meter 141
Master Reset (Clearing Billing Data)
The EM920 permits the clearing billing data via the Master
Reset menu. This menu also allows you to reset the meter
configuration setups to their factory defaults.
The Master Reset menu is secured by the jumper located on
the backside of the display board under the TEST button. To
enter the Master Reset menu, remove the security jumper
and then select Master Reset from the main menu.
See Viewing and Changing Setup Options
in Chapter 3 for
information on navigating in menus.
Available menu entries are described in the following table.
Reset Entry Menu Function
Accumulators Clears all engineering and billing energy and
maximum demand registers, present billing period
data, general counters and power quality counters
Files Clears all billing period data and log files including
billing profile data files
Configuration Resets the meter configuration setups to the defaults
To clear billing data or meter configuration:
1. Use the SCROLL button to scroll through the menu
entries until a required reset entry appears in the
window.
2. Press briefly SELECT/ENTER button to highlight the
“Do” entry.
3. Press and hold the SELECT/ENTER button for more
than 5 seconds until the “Do” entry is replaced with
“Done” indicating that the operation is complete.
4. Release the button.
Remote Relay Control
From PAS, you can send a command to any relay in your
meter or to release a latched relay, except of the relays that
are linked to the internal pulse sources. Such relays cannot
be operated outside of the device.
To enter the dialog box, select Device Control from the
Monitor menu, and then click on the Remote Relay Control
tab.
To send a remote command to the relay:
1. From the “Relay Command” box for the relay, select
the desired command.
2. Click on Send.
The dialog shows you the present relay status and whether it
is latched by a remote command or locally from a setpoint.