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Page 30 Powder Hopper Loaders
To select a sequence:
1. Turn off and disconnect power to the unit.
2. Remove the controller box cover.
3. Move the DIP switches on the DIP switch array labeled
SW1 to one of the sixteen (16) available configurations as
shown in Figure 8.
4. Replace the controller box cover.
5. Reconnect power to the Series 1 controller and prepare the
unit for operation.
Note: Figure 7 contains two (2) different programs (12 and 14
blowback pulses).
5-5 Selecting the Most Efficient Loading Sequence
By selecting the best sequence, you can reduce vacuum motor
wear, save energy, and reduce your need to maintain filters.
1. Begin with a sequence time longer than what is required for
your process.
2. Start up the hopper loader with the Series One controller.
3. Observe the flex hose and the material in which you buried
the pickup probe. Listen to the vacuum motor and the sound
that the material makes as it enters the hopper loader.
4. When the hopper loader is full, the conveying rate drops off
sharply. You can observe this condition in the clear flex hose
and the material container in which you buried the pickup
probe. When the hopper loader is full, the vacuum motor and
material sounds also change.
5. Make a note of the elapsed time from the start of conveying
to the time the hopper loader is full.
6. See Figures 7 and 8; pick the next-shorter sequence. For
example, if the hopper is full by the 90-second point of the
conveying sequence, select the 80-second conveying sequence.