Maguire Products GRAVIMETRIC AUGER FEEDER MGF-ST, Инструкция по эксплуатации

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M A G U I R E P R O D U C T S , I N C .
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G R A V I M E T R I C A U G E R F E E D E R
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RATE ADJ: 0.8145
We begin all metering rate calculations using certain assumptions. We do not know the bulk density of the color being metered,
and we do not know the exact flow characteristics of the pellets which, together, will change the gram weight metered per
revolution of the auger. We start with a standard formula that assumes certain base numbers for the these values. In the formula
we also have a factor, a multiplier, that starts with a value of 1.0000. At this value, it has no effect. As we learn of an error in our
dispense rate, we adjust this factor. In this example, we have adjusted it from 1.0000 downward to 0.8145, which tells us that
either the bulk density is higher then our standard assumption, or the pellets flow better then our standard assumption. In any
case, the software uses this number to keep the metering rate exactly correct, based on actual dispense rate learned from the
loss-in-weight load cell readings over time. This is the number that you will see adjust as the unit learns the exactly correct
metering rate.
ACC. WT: 17.89
The accumulated weight since the last correction, or the last hopper refill.
ACC. CT: 6
The cycle count since the last correction, or the last hopper refill. These two values, (accumulated) WEIGHT and CYCLE Count,
are used to check on how close we are to our target. The ERROR is based on these numbers as compared to what we would
expect if we run at a Perfect rate. TARGET per cycle times CYCLE CT is compared to (accumulated) WEIGHT, and the difference
is the ERROR.
TOT. WT:
The total weight dispensed since the last time this value was cleared to zero. This can be used to track total usage in your plant.
TOT. CT:
The total cycle count since last cleared to zero. This number also are useful for keeping print-out pages in order, and to reference
cycles by number when highlighting problems or questions. These last two numbers are for convenience only. They do not enter
into control calculations.
Print Cycle Options
Setup > System Configuration > Print Cycle Options
Print Cycle Diagnostics – When ON this sends a Cycle-by-Cycle printout after each full
dispense cycle to a USB drive inserted into the controller. When ON and with a USB Flash Drive
in the USB port, four lines of information about the dispense cycle that just occurred will be sent to
a file named PRINTER.TXT. The information in this file includes dispense weight and percentage
of each component, the internal rate numbers used by the computer to determine dispense time,
and the actual dispense time of each component. This is excellent information to track the
accuracy of each dispense cycle and the accuracy of the entire system over an extended period
of time. Can be printed as fixed width plain text file or as a CSV file with or without the column
headers (titles).
Print Cycle History –
Prints diagnostic data of the last 250 cycles to USB. Can be printed as
fixed width plain text file or as a CSV file with or without the column headers (titles).
Print Totals Interval - Enables automatic print of totals to USB at a specified interval (see PRT
parameter).