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14_Bag Filling Machine using Load Cell Input


Our customer manufactures machines for loading produce into bags at preset weights. A conveyor carries the produce to the bag. The conveyor speed controller slows the conveyor when the bag nears the required weight. The bag is hung from a load cell which feeds the weight to the Tiger 320 meter controller. When the bag is near the required weight, a setpoint in the meter slows the conveyor. When the bag reaches the required weight, the meter automatically compensates for produce inertia and determines when to stop the conveyor and close the conveyor feed gate. The display flashes between "BAGFUL" and "WEIGHT". The operator unclamps the bag, and the meter counts and totalizes the bag number from the bag clamp microswitch pulse. The operator fits a new bag and the clamp closes after a 1 second delay to stabalize the load cell.

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17_DC Amps and Amp / Hr Controller


The customer has an application that requires to: 1. Display Amps from a DC shunt. 2. Display and control from dual totalized amp/hrs. The amp/hrs from totalizer 1 operate Setpoint 1. At programmed amp/hr intervals, a pump starts for a programmed On-time to pump replenishment chemicals to the plating tank. When Setpoint 1 energizes, totalizer 1 resets to 0, the pump cycle starts, and the amp/hrs totalizer 1 restarts.

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20_Watt / Hour Appliance Test Meter


Our customer requires a quality control test for watt/hour rating of electrical appliances. The test is carried out over 5 minutes. A Texmate DI-50E meter with a watt input module is installed. The meter is programmed to totalize the watt/hours when the start button is pressed. The meter totalizes the watts for 5 minutes and the watt/hour rating is held on the display.

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21_Cut to Length Controller


Our customer operates an automatic cut-to-length guillotine. A Texmate 320 Series programmable meter controller has been installed and programmed to measure length from an encoder input. Setpoint 1 is programmed to operate at the required cut-off length. A clutch and a clamp operate to stop the metal feed motor.

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22_Weigh and Ratio Batching Application


Our customer requires varying amounts of primary and secondary chemicals to be mixed by ratio. To improve mixing, accuracy and save time, the ratio calculation is automatically performed by a macro. A container is placed on a weighing platform and the platform is tared to 0. The primary product is poured into the container. The operator enters the required mix ratio and presses the start button.

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27_Boiler Energy Calculation Macro


Our customer supplies hot water from a heat exchanger to other users and charges them for kilowatt hours (kW.h) used. The customer supplied calculation to compile the macro was: The difference between water temperature out and water temperature returned x a factor x flow in liters per second. For flow rate in liters/min -> kW - Flowrate (1/m) / 60 x dT (C) x 4.190 -> kW - Flowrate (1/m) x dT (C) x 0.06983333

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28_Gas Cylinder Filling System


Our customer operates a gas dispenser that fills gas cylinders of unknown volume and calculates the cost in dollars. The meter automates the control process through a macro. In the diagram below, both valves 1 and 2 are CLOSED at the beginning of the process (the default position). When the hose connects to the gas cylinder, the safety switch triggers the macro. Valve 1 OPENS, pressurizing the small reference cylinder of known capacity, and the meter stores the pressure data measured from the pressure transducer.

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31_DC Watt Hours or Kilowatt Hours Measurement and Control with Data Logging


Our client has multiple customers on a DC power supply system and needs to know the watt hours (W.hr) or kilowatt hours (kW.hr) used by each customer. Texmate installed a Tiger 320 Series DI-50E meter to measure the DC volts from the power supply on Channel 1 and the DC amps from a DC shunt on Channel 2. The meter records the result of Channel 1 x Channel 2 as W.hr or kW.hr and continually displays this on the operational display.

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34_Single Phase Measurement and Control


It is no longer necessary to use combinations of transducers to achieve a power measurement and control system. A Texmate Tiger 320 Series DI-503 meter, installed with a single-phase power input module, calculates and displays volts, amps, Hz, watts, watt hours, and power factor from a single-phase 2 or 3-wire voltage and current input.

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36_Smart Rain Monitor and Irrigation Controller


Outdoor growers in intermittent or low rainfall areas require irrigation controllers. The controller input is usually from a tipping bucket rain gauge or a flow sensor. Control requirements: If more than X amount of rain falls within a programmed time, the irrigation cycle is interrupted. If Y amount more rain falls within the programmed Off-time, the irrigation cycle is interrupted for a longer time.

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38_Dual Tank Level Annunciator Controller


A bakery customer has two tanks containing a release agent that is sprayed into the baking trays. If the release agent runs out, the bread sticks to the trays. Two release agent drums, TANK 1 and TANK 2 are placed onto two independent load-cell platforms and both load cell outputs are connected to a dual load-cell input module installed in a DI-60AT controller. 1. On start up, TANK 1 valve is open. 2. When TANK 1 low level (set-point 1) operates, TANK 1 valve closes and TANK 2 valve opens. 3. The system is now operating from TANK 2. 4. TANK 1 is replaced, TANK 1 low level alarm is now OFF. 5. When TANK 2 low level alarm operates, TANK 2 valve is closed and TANK 1 valve is opened. 6. The sequence is repeated.

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39_Irrigation Scheduling Controller


Our customer requires water balance studies of water resource allocation for crop management to maximize crop yeild and reduce irrigation costs. A weather station with a Tiger 320 Series controller is set up in a vineyard to measure solar radiation, wind speed, rainfall, and air temperature. A macro installed in the meter and generated by the Texmate Development Software program calculates daily evapotranspiration.

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44_Peak Demand


Demand and peak demand are important measurements for large consumers of electricity. This is because the price utilities charge for electricity is related to the peak usage of the consumer over the billing period. The **Electronic Demand Meter** from Texmate is ideal as a submetering system that can measure and track demand and peak demand in different parts of the factory. This information can then be used to manage the overall peak demand strategy of the factory. If the real-time clock option is installed in the **electronic demand meter**, the meter can log or print the time the peak demand occured. The 6 setpoints can be used for load switching or alarms. If an IWO2 watt input module is installed, the amps, volts, frequency kW, and kWh power factor readings can be viewed by using the UP and DOWN buttons.

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45_Flow Rate and Total Flow Measurement


Paddlewheel and turbine flow sensors are similar in operation as they rely on the energy in the flow stream to spin the rotor. The spinning rotor generates either a sinusoidal or square wave output.

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49_Bubbler System Level Measurement


Bubbler systems are ideal for level measurement of open channel run off systems or duct and tank situations where debris, foam, steam, or surface turbulance makes standard methods of level measurement impractical.

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50_Resin to Roving Ratio and Progress Monitoring System for the Composite Industry


Our customer requires the amount of resin and roving used during their manufacturing operation to be calculated, monitored, and recorded on a job-by-job basis, providing them with accurate costing and stock information. Texmate installed a Tiger 320 Series controller and connected it to the resin feedline flow transducer and the roving weighing platform pressure transducer.

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