LA 404-2 Pattern Controller Manual.pdf - 第40页

LA 404-2 Patt ern Control Sys tem 34 P/N 7 1 19995A 2006 Nordson Corporation LA 4 04- 2 Is sued 12/06 Purge Pressure This m enu is used to configure the run-up pressures w hen purge is activated. In addition, the user ca…

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LA 404-2 Pattern Control System
33
P/N 7119995A
2006 Nordson Corporation
LA 404-2
Issued 12/06
Pressure 1 Settings
Speed 1 0 P1 0 %
Speed 2 100 P2 80 %
Min 0 % Max 100 %
O668
1. To set Speed 1
a. Press the or button for the cursor to appear beside the numeric
value.
b. Press the or button to set the desired speed value from 0 - 599
m/min.
2. To set P1
a. Press the or button for the cursor to appear beside P1’s
numeric percentage value.
b. Press the button to set P1 from 0 - 100 %.
3. To set Speed2
a. Press the or button for the cursor to appear beside the numeric
value.
b. Press the or button to set the desired speed value from 1 - 599
m/min.
4. To set P2
a. Press the or button for the cursor to appear beside P2’s
numeric percentage value.
b. Press the button to set P2 from 0 - 100 %.
5. To set minimum and maximum pressure:
a. Press the or button for the cursor to appear beside either Min
or Max.
b. When the cursor appears beside Min, press the or button to
set the desired percentage value from 0 - 99%.
c. When the cursor appears beside Max, press the or button to
set the desired percentage value from 1 - 99%.
6. Press the top SETUP button to open the Pressure 2 settings menu and
then repeat steps 1 - 5.
LA 404-2 Pattern Control System
34
P/N 7119995A
2006 Nordson Corporation
LA 404-2
Issued 12/06
Purge Pressure
This menu is used to configure the run-up pressures when purge is
activated. In addition, the user can configure the Flush mode of the Purge
button on the front panel. When set to Purge, the gun outputs remain open
as long as the button is pressed. When set to Flush, pressing the button
activates the gun channel output, and pressing the button again deactivates
the gun channel output. This function is used for flushing systems using
cold liquid adhesive.
Purge Pressure
Run−up 1 10 %
Run−up 2 10 %
Purge Mode Purge
O669
1. To set Run−up 1:
a. Press the or button for the cursor to appear beside the
percentage value.
b. Press the or button to set the desired value from 0 - 100%.
2. To set Run−up 2:
a. Press the or button for the cursor to appear beside the
percentage value.
b. Press the or button to set the desired value from 0 - 100%.
3. To set Purge mode
a. Press the or button for the cursor to appear beside Purge.
b. Press the or button to set Flush or Purge.
NOTE: Flush mode stops automatically after 5 minutes if the user does not
press the PURGE button again.
Remote Purge
Each of the 4 channels is equipped with a contact at the remote purge input
for triggering remote purging. If the switch of the corresponding channel is
closed at the input, purging is activated for the selected channel.
LA 404-2 Pattern Control System
35
P/N 7119995A
2006 Nordson Corporation
LA 404-2
Issued 12/06
Channel Driver Setup
Each of the four channels has a programmable voltage-controlled gun
driver. The user may program the spike time duration and hold voltage for
each channel.
NOTE: The spike voltage is displayed and cannot be changed.
Chan 1 Driver Setup
Spike voltage 32 V
Spike time 1.8 ms
Hold voltage 5 V
O670
1. To select channels 1 - 4, press the CHANNEL SELECT button on the
front panel of the pattern controller.
2. To set Spike time
a. Press the or button for the cursor to appear beside the numeric
value.
b. Press the or button to set the desired value from 0.0 - 5.0 ms.
3. To set hold voltage
a. Press the or button for the cursor to appear beside the numeric
value.
b. Press the or button to set to 5 V, 10 V, or 24 V.
NOTE: On selecting a hold voltage of 5 V, the period of the overvoltage
is 0.1 - 5.0 ms. On selecting a hold voltage of 10 V, the period of the
overvoltage is 0.1 - 15 ms. On selecting a hold voltage of 24 V, the
period of the overvoltage is 0.1 - 15 ms.
Guns Supported By Pattern Controller Driver Boards
Electric guns:
LA 820, recommended settings:
Spike time: 1.8 ms/Hold voltage: 5 V
LA 844, recommended settings:
Spike time: 2 ms/Hold voltage: 5 V
LA 822, recommended settings:
Spike time: 2.5 ms/Hold voltage: 10 V
The pattern controller supports 24 V
DC
pneumatic guns, recommended
settings: Spike time: 0 ms/Hold voltage: 24 V