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Setup Mode Scree
ns
System Screen
2
System screen 2 sets the following system operating
parameters.
Figure 29 System Screen 2, in Standby Mode
Mix Pressure Tolerance
The pressure of one component must be within
a percentage (±) of the pressure of the other
component during spray or mix. Set the desired Mix
Pressure Tolerance in this field. The default is 75%.
Stall Test Pressure
Set the minimum stall test pressure. The setting
should be approximately 50 psi (0.35 MPa, 3.5 bar)
higher than the highest inlet pressure.
Pump Stall Test
Set the duration for the pump stall test. See
Calibrate Screen 1, page 77.
Maximum Leak Rate
Enter the maximum allowable leak rate for a pump
stall test.
Mix Idle Timeout
The Gun Trigger Input signals that the device is
triggered. If you are not using a gun trigger signal,
the system does not know if the spray device is
spraying. If a pump failed you could spray pure resin
or catalyst without knowing. This should be caught
by the Mix No Flow Timeout; the default is 5 seconds.
The Mix Idle Timeout will trigger Idle mode, which
will run a pump stall test to check for leaks, then put
the pumps in Standby (holding their current position)
after the designated period of time. Enter the desired
Mix Idle Timeout in this field.
See Digital
Inputs, page 25.
Mix No Flow
Timeout
The Gun Tri
gger Input signals that the gun is
triggered
. If the Gun Trigger Input indicates that the
gun is tri
ggered, but there is no fluid flow through a
pump, you
could spray pure resin or catalyst without
knowing.
The Mix No Flow Timeout will cause the
system to
shutdown after the designated period of
time. The
default is 5 seconds. Enter the desired
shutdow
ntimeinthisfield.
See Digital Inputs, page 25.
Low Flow Tolerance
This field is active in systems set to Flow Control.
The system will detect if the flow rate falls below a
designated percentage of the target flow rate. Set
that percentage in this field. For example, you might
want the system to time out if it detects a flow rate
that is 10 percent of the target, rather than waiting
until a no flow timeout occurs.
Low Flow Timeout
The low flow timeout causes the system to shut down
after the designated period of time if the flow rate
continues to be at or below the low flow tolerance set
in the previous section. The default is 5 seconds.
Enter the desired shutdown time in this field.
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