DIGISPENSE 3020 CONTROLLER MODULE
Page 3-52
7 April, 2011
IVEK Corp.
P03L011B
Dispense Screen Description -
The Dispense screen displays the current Dispense parameters and provides control
of the dispense operations. A user with Supervisor permission is able to change the parameters. The current
permission level determines which push-buttons are available as shown.
The Start and Stop push-buttons control Dispensing operation while this screen is visible.
Status -
The status indicates the operational state of the system. Refer to section 3.3.9 for an explanation of each
status type.
Total Volume -
Total Volume is the total amount of liquid dispensed in Dispense and Meter Modes. The total volume
counter will roll over after the maximum value is reached. The counter can be reset to 0 using the Clear Totalizer
screen.
Total Cycles -
Total Cycles is the total number of dispenses in Dispense and Meter modes. The total cycles counter
will go up to a maximum of 3,999,999,999 before restarting at 0. The counter can be reset to 0 using the Clear
Totalizer screen.
Recipe -
The Recipe line shows the current recipe selected in the Recipe screen. "0" indicates values changed since
last "Get Recipe".
Pump -
The Pump line shows the current pump size selected in the Setup C screen. The pump size can be either 4A,
3A, 2A, 1A, B, C, D or NONE.
Direction -
The Direction is the direction of liquid flow through the Pump Module for Dispense and Meter modes. The
direction is either Forward or Reverse.
Dispense Volume -
The Dispense Volume is the amount of liquid dispensed in micro liters during a dispense cycle.
The range is based on the pump size as shown in the Pump Minimum/Maximum Chart. The increment is equal to the
minimum volume for the selected pump size.
Dispense/Meter Rate -
The Dispense/Meter Rate is the rate of the pump in micro liters per second during the
dispense operation. The range is based on the pump size as shown in the Pump Minimum/Maximum Chart. The
increment is equal to 20% of the minimum rate for the selected pump size.
Load Rate -
The Load Rate is the rate the pump will operate during a load operation in micro liters per second. The
range is based on the pump size as shown in the Pump Minimum/Maximum Chart. The increment is equal to 20% of
the minimum rate for the selected pump size.
Load Threshold -
A load will be required/initiated when
the volume dispensed is greater than or equal to this
volume.
Drawback -
Refer to Section 3.3.8.13.
To change a value;
1. Press the Arrow push-buttons to highlight the
parameter.
2. Press the Enter push-button to bring up either the
Select New Value or Enter New Value screen.
3. In the Select New Value screen use the up and down
arrow push-buttons to select the value. In the Enter
New Value screen press the Minimum or Maximum
push-buttons to select the desired value or use the
left and right arrow push-buttons to select the digit
and the up and down arrow push-buttons to change
the digit's value.
4. Press the Enter push-button.
Dispense Mode Minimum/Maximum Chart
Pump Minimum Maximum
Minimum Maximum
Size
Volume
Volume
Rate
Rate
µl
µl
µl/Sec
µl/Sec
4A
0.002
20
0.010
40
3A
0.005
50
0.025
100
2A
0.01
100
0.05
200
1A
0.02
200
0.10
400
B
0.04
400
0.20
800
C
0.10
1000
0.50
2000
D
0.20
2000
1.00
4000
