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24-Pump, 128-Station Controller Chapter 6: Configurable Settings 64
Chapter 6: Configurable Settings
This section describes the proper setup of the 24-pump 128-station control system
parameters. These parameters are operator changeable; however, these items should require
setup only during the initial installation. Only authorized personnel should change them.
Many of the variables and setup parameters have been preset at the factory and do not need to
be changed. However, this section of the manual will address all of the setup parameters that
were available at the time of printing. The purpose of this is to familiarize the reader with all
the setup parameters and their usage.
6-1 Memory Module Considerations
The operator interface and the PLC central processing unit use memory modules to store the
operating program and user settings. The module is installed in the front of the PLC CPU
card.
The memory module returns the controller to the factory default settings if an electrical fault
occurs, or if the hardware is replaced. Keep in mind that this condition is extremely rare.
You will then need to restore saved settings or set up the controller once again with the
settings you programmed in this chapter.
6-2 Options for Station Setup
Name Description Options Default
Conveying Options
Convey time Length of time the station’s vacuum valve
remains open to allow material to be drawn in.
(For a volume-fill station, the valve closes when
material covers the station’s volume-fill
proximity sensor or this time elapses, whichever
comes first.)
Adjust this value to match the actual time
needed to fill the station.
0–999.9 sec. 30 sec.
(Last convey time) Display only. Length of time the station’s
vacuum valve was open for receiving material
during the most recent convey. This information
is displayed for your reference when adjusting
convey time and dump delay.
— —
Dump delay Length of time allowed for material to drain from
the station into the receiver. The controller will
not attempt to deliver more material to the
station until this time has elapsed.
Adjust this value to match the actual time
needed to drain the station. If it is set too short,
the controller may attempt to refill the station
before it is empty, causing material to back up
and/or underusing the station’s capacity. If it is
set too long, the system may be unable to keep
up with your equipment’s demand for material.
3–99 sec. 10 sec.