Graco BDS Instructions-Parts List Manual page 10

System Fine Tuning
The actual volume of fluid dispensed in each batch can
vary slightly from the calculated targets. However, the
controller monitors this variance and reports an error if
the desired tolerance is not maintained.
In order to minimize this variance, the controllers
minimum flow, maximum flow and drop time parame-
ters must be set for automatic valves and adjusted for
each particular fluid and its delivery system. The
automatic valve parameters are edited in Setup mode.
Minimum Flow Setting: adjusts the slow flow rate
for material during a dispense. The lower the number,
the slower the flow of fluid when it gets near the set-
point.
Maximum Flow Setting: adjusts the fast flow rate
for material during a dispense. This is the rate at which
the fast pour is done. The higher the number, the faster
the flow of fluid when it gets near the setpoint.
Drop Time Setpoint: adjusts the amount of time
the valve is open when the dispense amount is very
close to the setpoint, but a little more material is need-
ed. The higher the number, the longer the valve will
stay open.
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Introduction
Edit Existing Recipe
Edit Valve Parameters
Select a Valve Name or Valve Number to Edit Parameters
Valve #:
Valve Name:
Valve #:
Valve Type:
Unit of Measure:
Specific Gravity:
Dispense Tolerance%:
VOC Content lbs/Gal:
Drop Time (milliseconds):
Circulate Interval (minutes):
Circulate Duration (minutes):
Minimum Flow Rate:
Maximum Flow Rate:
Main Menu
Add Recipe
Add Valve
Reports System Setup
Exit
2
Valve Name:
Green
1
Automatic
Pounds
0.959
5
5.23
7
5
2
10
25
Add New Return to Main Menu
Green