Omega Engineering LVCN-302 User Manual

Page 6

Other Helpful Features of LVCN-302

Software Version Numbers

The version number of your LVCN-302 unit is
shown in the Actual Liquid Level display window
when you power up the unit. If your unit has
version 2.8, you will see in the window

LV 2.8

Programmed data cannot be lost

All the data and logic are written to a permanent
EEPROM, which will retain your data in the
event the power supply is disconnected. There
is no battery on the board to maintain the
data in the EEPROM.

Interrupted 4-20 mA Signal from Sensor

Whenever the 4-20 mA signal from the sensor device
is lost because of an open wire or device malfunction,
an

ERR3

message is displayed in the Actual Liquid

Level window. Additionally, the entire bar display will
flash red and green.

When the input sensor is sending a 4.0 mA signal, the
Actual Liquid Level display will show a \/ character in
the first digit of the display.

Over &/or Under 4-20 mA signal received

Process Signal

Input is 4.0 mA, but

not an open wire.

See above for open wire

00.0

Actual Liquid Level

00.0

Actual Liquid Level

Process Signal

Input is 20.0 mA