Installation
3-3
E
1
995 Nordson Corporation
All rights reserved
Level Controller
Issued
1
2/95
P/N 768606A
1
4. Adjust the sensitivity of the sensor using a small screwdriver.
NOTE:
The total movement of the controls are 270
_
, any excessive
force will cause damage.
1
5. The sensor LED will be showing GREEN, turn the timer fully
anti-clockwise to turn off the delay times.
1
6. With no material around the sensor, rotate the calibration range
control clockwise until the LED changes to RED. Slowly rotate the
calibration range control clockwise until the LED changes to GREEN.
Optimum setting is then usually achieved by rotating the control a
further
1
0
_
anti-clockwise.
1
7. The air supply to the powder pump can be turned up to the required
level for powder transfer.
1
8. Adjust the timer control to it’s mid-point position.
1
9. When the powder is detected, the GREEN LED will commence
flashing RED, indicating that the material has been sensed and the
time delay before stopping the transfer is now operating. When the
delay has elapsed, the LED will be RED.
20. As powder is used from the system, the sensor will detect the drop in
level, the LED will flash GREEN showing that the time delay before
activating the transfer is now operating. When the delay has elapsed,
the LED will be GREEN.
2
1
. Steps
1
8 and
1
9 are the normal cycle of operation.
22. Adjust the time delay as required for optimum operation, it is better to
have the longest possible on/off transfer periods for best operation.
23. Should, during the course of operation, the supply of virgin powder
run out and the level in the hopper has not been restored by a pre-set
time, the low level alarm will activate. This is an illuminated button on
the front panel and, if fitted, an external annunciator. The external
annunciator can be muted by pressing the illuminated button, the
button will extinguish as soon as there is the correct level of powder
in the hopper.
24. The time for activation of the low level alarm is adjusted by means of
a timer located inside the controller, it is factory-set to approximately
one (
1
) minute.
6. Setting up the Unit
(contd.)
Summary of Contents for 765104
Page 1: ...Level Controller Manual P N 768 606 A English NORDSON ENGINEERING D STOCKPORT D UK...
Page 8: ...O 2 Introduction E 2001 Nordson Corporation All rights reserved STOCKCONG_EN_A 1299...
Page 11: ...E 2001 Nordson Corporation All rights reserved S1EN 03 SF Powder 6 Section 1 Safety...
Page 12: ...Safety 1 0 E 2001 Nordson Corporation All rights reserved Issued 10 98 S1EN 03 SF Powder 6...