Our customer has a tank supported on a load cell and requires to dispense measured amounts of product from the tank. Texmate installed a Tiger 320 Series DI-50E meter calibrated to indicate the product weight in the appropriate engineering units. The meter is installed with two remote push-button switches configured as TARE and TARE CLEAR. All non-application codes are blanked out. Relay 1 is connected to the tank outlet valve. The amount of product required is programmed into the meter at setpoint 1. Setpoint 1 is programmed with initial startup inhibit and relay latch OFF. i for full details.)[/i]
[color=red][b]When the TARE button is pressed:[/color][/b] [color=red][b]1.[/color][/b] The display tares to 0.0 [color=red][b]2.[/color][/b] Relay latch off is removed and the relay energizes. [color=red][b]3.[/color][/b] The valve opens until the setpoint value is reached and then closes as relay latch off operates again. [color=red][b]4.[/color][/b] Pressing the TARE CLEAR button returns the meter to the operational display, indicating the weight of product remaining in the tank. Note: The product weight reduces during dispensing, therefore the setpoint value is negative for the product taken.
APPLICATION VARIATIONS [ul] [*]The meter can be programmed to read in kilograms or pounds, liters or gallons. []A Texmate 320 Series DI-60AT alphanumeric meter can be used to customize the display text to suit the application. []A program sequence macro can be installed and run on any Tiger 320 Series "T" type meter for batching applications. [/ul]
[ul] [*]Up to six relays are available for batch control operations. []A front panel button can be programmed to display the weight of the tank and product in pounds or kilograms. []With the serial output module installed, the meter can be setup to print the dispensed product amount. [/ul]
- Download PDF » (438.0 KB)
Related Topics
(top)