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6-2 Options for Pump Setup
The ramp time represents the amount of time it takes for the
vacuum blower to come up to full speed once it has been
turned on. The ramp down time represents the amount of
time it takes the blower to stop once it has been turned off.
The ramp up time lets the blower reach full speed unloaded.
When the ramp up time is reached, the vent valve will open
and allow the pump to draw a vacuum on the main vacuum
line. This in turn will open the receiver sequence valve
connected to the main vacuum line and allow material to be
drawn into the vacuum receiver.
The ramp down time allows the vacuum blower to come to a
full stop before it can be started again. This prevents the
blower motor from becoming a generator and blowing fuses.
Name Description Default
Pump Settings
Idle
(IDLE)
Length of time the pump continues to run unloaded without
demand from any station. After this time has elapsed, the pump
shuts down to save power and to prevent wear on the pump.
Adjust this setting to fit the needs of your facility in trading off the
savings against the costs associated with waiting for a pump to
start up when there is a demand for material.
45 sec.
Ramp Up This feature specifies the time (in seconds) allowed for the pump
motor to reach operating speed.
5 sec.
Ramp Down
(Ramp Dn)
This feature specifies the time (in seconds) allowed for the pump
motor to come to a complete stop.
5 sec.
When this option is enabled, the controller periodically sends
compressed air backward through the pump’s air filter to dislodge
accumulated dust and debris.
Enable this option if and only if the pump has the equipment for
compressed-air filter cleaning. Set to Ø to Disable Blowback.
enabled
Conveys Before
Blowback
(CNV>BB)
Number of conveying cycles to stations between filter cleanings.
Adjust this setting based on experience. The more dust and
debris in your material line, the smaller this number needs to be.
5
Pulse On Time
(BB ON)
Tenths of seconds that the air pulse remains on for each cleaning
pulse during filter cleaning.
If blow-back is not working as desired, the Sterling service may
ask you to change this setting.
1.6 sec.
Pulse Off time
(BB OFF)
Tenths of seconds between air pulses during filter cleaning.
If blow-back is not working as desired, the Sterling service may ask you
to change this setting.
0.8 sec.
Numbler of cleaning
pulses (No. Pulses)
(BB CYC)
Number of pulses of compressed air sent through the pump’s
filter during cleaning.
If blow-back is not working as desired, the Sterling service may
ask you to change this setting. Set to Ø to Disable Blowback.
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