720i® Programmable HMI Indicator/Controller
Operator Card |
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your distributor or service technician. |
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WARNING |
Do not open the indicator enclosure! |
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Refer all repairs and modifications to |
Front Panel Display and Keypad
The 720i universal model front panel, shown in Figure 1, consists of a 22-button keypad with an LCD display. The keys are grouped as four configurable softkeys, four scale function/navigation keys, MENU and PRINT/Enter keys, and numeric entry keys. The panel mount front panel is shown in Figure 2.
LCD display contrast can be adjusted selecting the Contrast Adj function from the system menu.
Figure 1. 720i Universal Front Panel
Figure 2. 720i Panel Mount Front Panel
June 2013
Indicator Operations
Basic 720i operations are summarized below:
Display Menu
Press the MENU key to show the system menu, then use the Up or Down navigation keys to select an item from the list. The menu provides access to:
•Audit Trail
•Configuration
•Test Operations
•Contrast Adjustment
NOTE: Configuration should be performed by qualified service personnel only.
Toggle Gross/Net Mode
Press the GROSS/NET key to switch the display mode from gross to net, or from net to gross. If a tare value has been entered or acquired, the net value is the gross weight minus the tare. If no tare has been entered or acquired, the display remains in gross mode.
Gross mode is indicated by the letter G (gross) or, in OIML mode, B (brutto); net mode is indicated by the letter N.
Toggle Units
Press the UNITS key to switch between primary, secondary, and tertiary units.
Zero Scale
1.In gross mode, remove all weight from the scale and wait for the standstill annunciator (
).
2.Press the ZERO key. The center of zero (
0
) annunciator lights to indicate the scale is zeroed.
Acquire Tare
1.Place container on scale and wait for the standstill annunciator (
).
2.Press the TARE key to acquire the tare weight of the container.
3.Display shifts to net weight and shows the letter N on the display.
Enter Tare Value
For the universal model, use the numeric keypad to key in the tare value, then press the Tare softkey or press and hold the front panel TARE key to enter the tare.
For the panel mount model, do the following:
1.Press and hold the GROSS/NET key for about three seconds. When released, a zero appears.
2.Use the Up and Down navigation keys to adjust the value (0-9) and the R i g h t and L e f t navigation keys to select the digit.
3.Press the Tare softkey or press and hold the front panel TARE key for about three seconds, then release to enter the tare.
Remove Stored Tare Value
1.Remove all weight from the scale and wait for the standstill annunciator (
).
2.Press the TARE key (or, in OIML mode, the ZERO key). Display shifts to gross weight and shows the word Gross.
Print Ticket
1.Wait for the standstill annunciator (
).
2.Press the PRINT key to send data to the serial port.
Select Auxiliary Print Format
Any of the auxiliary print formats (1–20) can be selected for printed output while in weighing mode.
NOTE: Not available in Advance Truck Mode.
For the universal model, use the numeric keypad to key in the print format value, then press the Print softkey or the front panel PRINT key to print using the selected auxiliary format.
For the panel mount model, do the following:
1.Press and hold the GROSS/NET key for about three seconds. When released, a zero appears.
2.Use the Up and Down navigation keys to adjust the value (0-9) and the R i g h t and L e f t navigation keys to select the digit.
3.Press the Print softkey or the front panel PRINT key to print using the selected auxiliary format.
Accumulator Functions
The accumulator must be enabled before use. Once enabled, weight (net weight if a tare is in the system) is accumulated whenever a print operation is performed using the PRINT key, digital input, or serial command. The scale must return to zero (net zero if a tare is in the system) before the next accumulation.
The Display Accum softkey can be configured to display the current accumulator value. Printing while the accumulator is displayed uses the ACCFMT print format.
Press the CLEAR key twice to clear the accumulator.
2720i Operator Card
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