LA 302 Pressure Controller Manual.pdf - 第20页
Description 2-4 P/N 71 19797A 2006 Nordson Corporation LA 302 Issued 06/06 Feat ures 4-digit, 7-segment display , 5 LEDs and 2 mode switches for operation and control Automatic machine speed-dependent pressure control 1 …
Description
2-3
P/N 7119797A
2006 Nordson Corporation
LA 302
Issued 06/06
1
2
3
4
12
14
13
10
5
7
9
8
6
11
15
Electrical Components
Compressed air
Adhesive
Fig. 2-1 Principle drawing
1 Compressed air supply with
maintenance unit
2 Proportional pressure control
valve
3 Pressure controller LA 302
4 Encoder
5 Power cable solenoid valve
6 Liquid adhesive gun
7 Adhesive pattern
8 Glue line
9 Substrate
10 Transport belt
11 Uncoated adhesive pattern
12 Adhesive pressure regulator
LA 380
13 Adhesive container
14 Adhesive pump LA 300
15 Compressed air hose
NOTE: Instead of the container pump with adhesive pressure regulator
shown here, a diaphragm pump, pressure container or similar could also be
connected.
Description
2-4
P/N 7119797A
2006 Nordson Corporation
LA 302
Issued 06/06
Features
4-digit, 7-segment display, 5 LEDs and 2 mode switches for operation
and control
Automatic machine speed-dependent pressure control
1 potentiometer for setting the minimum speed (1 m/min to 300 m/min)
at which pressure control should commence
Production speed display (max. 600 m/min)
Display of minimum and maximum outlet current for the proportional
pressure control valves (0 - 20 mA)
2 potentiometers each for setting the required current (0 - 20 mA) or
0 - 10 V
DC
for each proportional pressure control valve
1 LED to indicate that the speed has fallen below the minimum speed
1 LED to indicate both automatic and manual mode
1 LED to indicate fault/short-circuited electropneumatic adhesive guns
(at > 1.6 A)
1 LED each to indicate interrupted proportional valves or proportional
pressure control valves that are not connected
2 outputs for connecting two proportional pressure control valves
2 outputs for connecting electropneumatic adhesive guns
1 output for connecting an encoder
Integrated power supply with automatic line voltage adaptation between
100 V
AC
and 240 V
AC.
Description
2-5
P/N 7119797A
2006 Nordson Corporation
LA 302
Issued 06/06
Front
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3 8
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5
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22
21
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24
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29
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28 25
Fig. 2-2
1 Display (7-segment display)
2 Setting for pressure display,
proportional pressure control
valve 2
3 Setting for pressure display,
proportional pressure control
valve 1
4 Setting for minimum speed
display
5 Setting for production speed
display
6 Mode switch (A)
7 LED (1) for automatic and manual
mode
8 Symbol for automatic mode (left
switch position)
9 Switch automatic/manual mode
(B)
10 Central position (without function)
11 Symbol for manual mode (right
switch position)
12 Symbol for adhesive gun
13 Alarm LED (2) for adhesive gun
14 Alarm symbol for adhesive gun
15 Alarm symbol for proportional
pressure control valve 1
16 Alarm LED (4) for proportional
valve 1
17 Symbol for pressure setting of
proportional pressure control
valve 1 and 2
18 Alarm LED (5) for proportional
valve 2
19 Alarm symbol for proportional
pressure control valve 2
20 Symbol for maximum pressure
21 Potentiometer (G) for maximum
pressure (proportional pressure
control valve 2)
22 Potentiometer (D) for maximum
pressure (proportional pressure
control valve 1)
23 Symbol for pressure settings of
proportional pressure control
valve 1 and 2
24 Potentiometer (F) for minimum
pressure (proportional pressure
control valve 2)
25 Potentiometer (C) for minimum
pressure (proportional pressure
control valve 1)
26 Symbol for minimum pressure
27 Potentiometer (E) for minimum
speed
28 LED (3) to indicate that speed
has fallen below minimum speed
29 Symbol for minimum speed
setting
NOTE: Beginning here, mode switches and potentiometers on the front of
the pressure controller will be designated alphabetically as mode switch /
potentiometer (A), (B), (C), ... beginning at the top left and moving to the
right. The LEDs are designated LED (1), LED (2), ... beginning at the top
left and moving to the right.