Nordson VersaBlue VB Series - Calibrating; Prerequisites

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Repair
7-25
P/N 7105144G
 2008 Nordson Corporation
VersaBlue_NW
Calibrating
CAUTION: When calibrating, keep hands or conducting tools away from
coaxial connections (10, 11, Fig. 7-38) to prevent distortion of the signal.
Prerequisites
 Level sensor is installed, fastened mechanically and connected
electrically (observe color of sensor cable)
 Tank is empty
 Level sensor is clean
 Operating voltage applied (LED Operating voltage (1, Fig. 7-38) lit).
1. Plug jumper Calibration (4) into position 1.
2. With potentiometer 1 (2), find the switching point of the LED Calibration
(3) (LED just lights up).
Turn clockwise: LED on
Turn counterclockwise: LED off
3. Plug jumper Calibration (4) into position 2.
4. With potentiometer 2 (5), find the switching point of the LED Calibration
(3) (LED just lights up).
Turn clockwise: LED on
Turn counterclockwise: LED off
5. Plug jumper Calibration (4) into position 3 (center) to switch off the LED
Calibration.
Fig. 7-39
The evaluator is now ready for operation.
NOTE: The LED Reference section (9, Fig. 7-38) lights up as soon as the
reference section (area between the lower inactive section and the sensor
measuring range) is covered with material.