Carlisle Ransburg DynaFlow 77376, Руководство по обслуживанию, Страница: 34 / 96

Display Mode
This parameter has three possible values: RATIO
TOLERANCE, MIXED VOLUME, and POT LIFE. It indicates
what type of bar-graph will be displayed on the main screen
immediately to the left of the flow rate bar-graph for each gun.
- Ratio Tolerance
This indicates the instantaneous ratio of the material being
fed into the static mix tube at any instant in time.
- Mixed Volume
This indicates how much of the mixed volume (the material
between the static mix tube and the applicator) has ratio
material in it.
- Pot Life
This bar-graph indicates how old the oldest mixed material
is. (This is the material in the applicator.)
EDIT JOB (F4)
JOB parameters may be edited at any time. However, if a
JOB is edited while active, the changes made to CHANNEL
related parameters will not take effect until the GUN has
been halted and requested to be active again. Changes
made to GUN related parameters take effect immediately
after being saved to the Interface Module.
When a GUN is configured for two-component operation
and the Ratio is 99.0:1, or greater, the GUN is said to be
operating in pseudo single-component mode. In this case,
the slave (catalyst)
CHANNEL is NOT set to MVR LOW when the GUN is
placed in either Run or Load modes. However, if the slave
(catalyst) CHANNEL is specified as a clean CHANNEL, it
will be turned on to MVR HIGH in Clean mode.
When a 2K manual GUN is placed in single-component
operation, the master (resin) CHANNEL simply turns on to
the MVR HIGH output pressure when the GUN is placed in
Run mode. All fluid flow is accounted for in the JOB totals.
When a 2K automatic GUN is placed in single-component
operation, the master (resin) CHANNEL will control fluid
per the set point parameter in the JOB when the GUN is
placed in Run mode and a trigger signal is supplied. All
fluid flow is accounted for in the JOB totals.
Master Percentage
Refer to "Mix Ratio" information.
Slave Percentage
Refer to "Mix Ratio" information.
Flow Rate Set Point
This parameter has several functions depending on the
mode in which the GUN is configured.
- Manual Mode
If the GUN is configured as a manual GUN, this value is
the total desired flow rate (cc’s/min) when the GUN is put
in Load Mode (See "Load Mode" in the "Operation" section
of this manual).
- Automatic Mode without Analog Control
If the GUN is configured as an automatic GUN and external
analog control of the flow rate is not being used, this is the
total flow rate of the mixed material desired at the spray GUN.
Mix Ratio
Ratio is expressed as parts of Master CHANNEL to parts
of Slaved CHANNEL in the form of XX:1. The Master
CHANNEL is typically the resin and the slave CHANNEL
is typically the catalyst. If the desired mix ratio is supplied
as a percentage of catalyst to the total volume. Use the
Master and Slave Percentage boxes instead.
NOTE
†
Any modifications to the JOB Parameters screen
data are saved only when the operator presses the
"Store Data" key (F5), otherwise the modifications
will be lost when the screen is exited with the escape
(ESC) key.
- Automatic Mode with Analog Control
(Dynamic Control)
If the GUN is configured as an automatic GUN and ex-
ternal analog control of the flow rate is being used, the
setpoint value is only active if there is no analog signal.
Analog control is active anytime that the input signal is
greater than 0.25 VDC (4.63 ma).
- Automatic Mode with RIO Control
(Dynamic Control)
If the GUN is configured as an automatic GUN and RIO
control of the flow rate is being used, the set point value
has no meaning unless the RIO commanded set point is
zero. In that case, the JOB set point is used as the GUN
flow rate set point.
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OPERATION