ABB EV3 - AUTO and ALT Mode Value Display; Fatal Error Indication; LCD Backlight Functionality

20/21
8.2.2 AUTO Mode and ALT Mode
In the AUTO Mode and ALT Mode all values which may be used for energy are displayed. This
part of the display list can’t be changed by the user with any interface of the meter.
The display lists can be expanded with additional values by the user via the RS485 interface
and a parameter setting program. Each list can have 32 entries.
The different values are displayed with the following formats and units:
Type of value
Format
unit
Energy
x.xx
kWh
Power
x.xx
W
Voltage
x.x
V
Current
x.xx
A
Power Factor
x.xxx
---
Frequency
x.xx
---
Firmware Version
---
Checksum
---
Tab. 7: Format/Unit Displayed Values
In the AUTO Mode the next value of the defined list is displayed automatically with a settable
time period.
In the ALT Mode the next value is displayed after a user button was pressed.
8.3 Fatal Error
The meter has implemented a self-monitoring system. If the meter recognizes improper op-
eration so that billing relevant values may not be used anymore it displays “--FF--” This status
will be indicated with current display items flashing (1Hz).
8.4 Backlight EV3
Backlight will be on after pressing button, it’s useful to read meter through LCD when it in
dark environment. Light on time is configurable from 5s to 60 seconds.
The back light will be turned off unconditionally if the voltage is less than 0.8Un.