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24-Pump, 128-Station Controller Chapter 2: Functional Description 10
Implosion Filter Cleaning. When this feature is enabled, the controller periodically pulls a
vacuum on the filter chamber and then releases it to dislodge accumulated dust and debris.
Grinder Empty. This feature allows a station to receive material from a grinder bin. The
level of material in the bin is monitored to assure there is enough material to convey.
Material Sharing. This feature allows multiple pumps (6 max.) to be connected to a
material source. The controller will let one pump at a time draw from the material source.
Electrical Features
• 115/1/60 or 220/1/50 supply voltage
• 24 VDC control voltage
• Lockable ON/OFF switch
• Branch circuit fusing
• Fully accessible NEMA 12-style electrical control enclosure
Controller Features
• Allen-Bradley Compact Logix programmable controller with 10” color touch screen
operator interface
• Diagnostics, operating instructions and parts information are built into the interface
• Controls up to one hundred twenty-eight (128) stations and up to twenty-four (24)
Vacuum Power Units.
• Controls up to three central alarms
• Allows operator to transfer stations to a standby pump when a pump fails
• Electronic time delay between pump startups to prevent an excessive power demand at
your facility
2-4 Optional Features
Noise Filter/Surge Suppressor. Provides protection to electronic devices in the control
panel from power surges and electrical noise.
Closed-Loop Conveying. This feature allows material to be conveyed and processed
without being contaminated by outside influences (such as dust, other materials, etc.).
Additional audible/visual alarm with silence button. Alarm light and horn assembly that
can be remote mounted and wired into the controller to indicate an alarm condition.
Remote Interface. (4 max.)
2-5 Safety Devices and Interlocks
This section includes information on safety devices and procedures that are inherent to the
Controller. This manual is not intended to supersede or alter safety standards established by
the user of this equipment. Instead, the material contained in this section is recommended to
supplement these procedures in order to provide a safer working environment.
At the completion of this section, the operator and maintenance personnel will be able to do
the following: