User’s & Technical Manual –
LEVEL TRANSMITTER LTR7000
GELEC
Industrial Electronics
PAGE
25
IMPORTANT CALIBRATION NOTES
In order to begin the calibration procedure, LTR7000 must be at its
final installation
position with all connections completed
.
Ensure that you have a proper electrical layout.
Refer to the LTR7000 manual and
confirm that every part and connection of the electrical layout meets the recommended
requirements.
The two levels can be separately calibrated
. You don’t have to calibrate both levels
,
each time a change at one of them is needed. The device automatically reconfigures its
output linearization.
Use Calibration Button carefully
and avoid any contact with the LTR7000 board and
components. Short-circuits, or electrostatic discharge may permanently damage the
device.
After any calibration procedure connect properly a multimeter,
to confirm the
desired output behavior.
RESET TO DEFAULT SETTINGS
The default factory calibration settings can be restored with the following procedure.
Turn off the power supply of LTR7000 (STATUS LED is OFF).
Press and hold CALIBRATION BUTTON when power supply is off.
While still pressing, turn on power and wait until the LED starts flashing GREEN/RED.
Flashing GREEN/RED means that settings are reset. Release the button.
✓
Settings are reset to default. LTR7000 returns in Normal Operation (STATUS LED
constant GREEN).
