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Machine-Side Hopper Loaders
5-2 Functional description
5.1. Sequence of operation
The sequence of operation is as follows:
1. Plug in the machine and move the on/off switch to the “on” position
2. All LEDs on the controller blink, and the software version is displayed on the screen.
3. A 2-second blowback pulse cleans the filter. During blowback, the screen displays
“A2.”
4. The motor starts, and conveying begins. The screen displays a countdown of the
conveying time. Conveying time can be set for 1-99 seconds.
5. If the optional purge valve is installed, line purging begins, and the screen displays a
countdown of purge time. Purge time can be set for 0-99 seconds.
6. The motor shuts off for 8 seconds while material dumps. The screen displays “L8.”
The 8-second dump time is a fixed setting and is not adjustable.
7. The controller checks for demand, and if material is needed, the cycle starts over
from step 3.
5.2. Controller
3 LEDs indicate the respective modes of operation: blowback, conveying, purging, and
dumping.
Change-over Key
Arrow Key
Purging Icon
Conveying Icon
Blowback Icon
Figure 11: Controller
Blowback
Conveyin
g
Purging
Dumping