Controls And Indicators - Mettler Toledo LV12 Referenzhandbuch

3 Design and Function
3.1 Function description
The LV12 is an automatic feeder for capsules, tablets or small electronic and mechanical components. Large
weighing series are radically simplified. The LV12 is therefore especially suitable for statistical quality control
(SQC). Usually the LV12 is remotely controlled by commands over a serial interface (RS232 or USB), but the
system can also be controlled manually using push buttons. The LV12 delivers a single part to the balance
and then stops automatically. After receiving the appropriate command from the weighing instrument, the LV12
delivers the next part. This process can be stopped at any time by a command. At the end of a sample, the
feeder plate can be emptied or the feeder waits for the command for a further sample.

3.2 Controls and indicators

See also
Finding the optimal feed rate Page 15
Adjusting the feed rate Page 14
Starting/stopping feeding Page 14
Discharging Page 14
Configuring the part size Page 15
3.2.1 Buttons
Button
Start / Stop /
Discharge
Feed rate / Test
3.2.2 LED indicators
LED
Ready
Feed
Automatic Feeder
Action
Press once
Press and hold until the level indicating
LEDs flash
Press once
Press and hold until the LED Ready flashes Activate the test mode to find the optimal
Press and hold together with the Start /
Stop / Discharge button
State
Green LED lit up
Green LED flashes
Orange LED lit up
Orange LED flashes
Function
Start/stop feeding, see [Starting/stopping
feeding Page 14].
Start discharging, see [Discharging
Page 14].
Adjust the feed rate by one step, see
[Adjusting the feed rate Page 14].
feed rate, see [Finding the optimal feed
rate Page 15].
Activate of the part size, see [Configuring
the part size Page 15].
Meaning
Instrument is switched on and ready for
operation
Instrument is in test mode
Feeding action is switched on and the
feeder plate vibrates
Light barrier is interrupted, dirty or faulty
Design and Function​ ​ 7