VISION TECH SHOP TPD Interface Scale

1. INTRODUCTION
   • The TPD series interface scale that amplifies signals from a load cell, converts it to digital data and displays it as a mass value
   • It is suitable for general weighing applications
   • 15 mm LCD with white LED back light display
   • Standard RS232 port can be connected to computer, ECR or POS
   • Capacity 6 kg to 30 kg (12 lb to 60 lb)
2. INSTALLATION
   1. Installation
      • Remove transport lock from bottom of the scale base
      • Place the scale on a level surface
      • Install the stainless steel pan on top of the plastic pan
      • Insert the pole (1) to pole bracket (3)
      • Fixing the pole(1) with screw (2)

Leveling

• The scale is equipped with a level indicator located back side of device.
• Use the adjustable leveling feet located on the bottom of the scale until the bubble appears in the center of the indicator.

Power Connection

• Connect the adaptor pin into the indicator adaptor jack.
  Adaptor jack is locating below the left side of the scale.
• Adaptor connects into your AC power socket. Plugable equipment must be installed near an easily accessible socket outlet with a protective ground/ earth contact.

Rechargeable battery operation
Note: Please charge the battery before using the scale for the first time.

• The symbol BATT on the weight display indicates that the battery is getting low. it’s time to charge the battery with the AC power. If scale goes on being used without proper charging, <BAT-LO> words will flicker on the display.
• Approximately 1 hours of instrument usage are left; afterwards it will shut off automatically.
• Please use the supplied battery charger for charging the battery immediately,or scale cannot be used.

Charging the battery

• Before the first use, the battery should be charged by connecting it to the mains power supply for at least 10 hours.
• When the scale is plugged into the mains power the internal battery will be recharged.
• Verify that the AC power socket outlet is properly protected.
• Right side of the weight display there is an charging LED to indicate the status of battery charging
• Charge status of rechargeable battery is indicated by the LED display.
  Red: Charging storage battery
  Green: Rechargeable battery is completely charged

Battery maintenance

• Do not use any other type of power adaptor than the one supplied with the scale.
• Recharge battery should be charged in every three months when not in use.
• If the scale is not used for an extended period of time, remove the battery from the battery compartment to avoid leakage.
• Store the battery in a sealed bag or box in a dry, temperate environment.

KEYS DESCRIPTION

DISPLAY SYMBOLS

OPERATION

Switching on/off

• Switch on the scale by pressing key, Display will be show the scale version and then come to normal weighing mode.
• To switched off the scale, press key

Zeroing

Environmental conditions can lead to the balance exactly zero in spite of the platform not taking any strain. However, you can set the display of your balance to zero any time by pressing  key and therefore ensure that the weighing starts at zero.

Using Tare

To enable Tare function, it’s required to enter parameters to select f4 tare >ON, Before access to the parameter, it need to press the calibration switch that is locating below the scale.

The weight of any container can be tared by pressing  button so that with subsequent weighing the net weight of the object being weighed is always displayed.

Taring a container

• Load weight on the
• Press Zero is displayed, and tare is subtracted. The [q] indicator above Net indicator appears.
• Remove weight on the Tared weight is displayed. It can set only one tare value. It will be shown with a minus value.

Clearing tare

• To clear the tare value, remove the load from the platform
• Press Zero is displayed, The [q] indicator above Net indicator disappears ,tare weight is cleared.

Select Weighing Units

By pressing  key in turn in normal weighing mode, it can convert the weighing units (kg/lb/oz),the relative symbol will turn on in the display.

Back light Setting

 It allows choosing the back light operation.

• Press key during that start up ,display will be show “F0 BL”
• Press key to
• Press key to change the settings back light display mode to Auto/Off/On.
• Press key to

Note: If battery is getting low, the backlight function will not available

• Power auto off
• Press key during that start up ,display will be show “F0 BL”.
• Press key to select the menu until display show “F1 OFF”.
• Press key to
• Press key to select the

Bluetooth Operation (Optional)

• Bluetooth Testing Tool Installation
  Note: The following steps used for testing communication (only BLE Utility available for testing )
• Turn on the BLE Utility software in your phone, it can be download from AppGallery.
• Scale should be in the allowed limits of the distance to connect.

CON1 Communication Protocol Testing

• Turn on the scale.
• Press key during that start up ,display will be show “F0 BL”.
• Press key until display show “F2 COM”.
• Press key to confirm, display will be show “BT”
• Press key to enter, display will be show “CON1”
• Press key to confirm ,display show “F2 COM”.
• Press key to select “BACK”..
• Press key to confirm and back to normal weighing mode.

Testing steps in the mobile phone

• Tab the connect button in your mobile phone to connect the Bluetooth module.
• Select the Unknown Service the last but one.
• Tab it and turn on the icon, Once set it successfully ,The [q] indicator above[ ] Bluetooth indicator in the scale appears.
• Tab logs ,the weighing data will be show.

CON2 Communication Protocol Testing

• Turn on the scale.
• Press key during that start up ,display will be show “F0 BL”
• Press key until display show “F2 COM”
• Press key to confirm,display will be show “BT”

10  Press  key to confirm and back to normal weighing mode.

Testing steps in the mobile phone

• Tab the connect button in your phone to connect the Bluetooth module.
• Select the Unknown Service the last but one .
• Tab it and turn on the icon, Once set it successfully ,The [q] indicator above ] Bluetooth indicator in the scale appears .
• Tab logs ,the weighing data will be show.

ASK Command Testing

• Turn on the
• Press key during that start up ,display will be show “F0 BL”.
• Press key until display show “F2 COM ”.
• Press key to confirm, display will be show “BT”
• Press key to enter, display will be show “CON1”
• Press key until display show “ask”
• Press key to confirm, display show “F2 COM”.
• Press key to select “BACK”
• Press key to confirm and back to normal weighing

Testing steps in the mobile phone

• Tab the connect button in your phone to connect the Bluetooth module
• Select the Unknown Service the last but one
• Tab it and turn on the icon, Once set it successfully ,The [q] indicator above[] Bluetooth indicator in the scale appears.
• Tab logs and Entered the Command to receive the corresponding data
  Command W: read data
  Command TARE: Tare
  Command ZERO: Zero

POS/ECR protocol selection

• Turn on the scale.
• Press key during that start up ,display will be show “F0 BL”
• Press key until display show “F2 COM”
• Press key to confirm, display will be show “BT”
• Press key to select “port” option
• Press key to confirm, display show “off”
• Press key until display show “ cas 2”
• Press key to confirm
• If necessary, Press key to select protocol from type 0 ~ type 6 (TYPE 0,2,4,5,6)
• Press key to confirm, display show “F2 COM”
• Press key to select “BACK” option
• Press   key to confirm and back to normal weighing mode.

PARAMETER SETTING

Enter into the Menu

• Press key during that start up ,display will be shown “F0 BL”

Enter to Selected Menu

• Press , it can confirm which will be shown displayed.

Select the Menu

• Press key to choose menu block one by one.

Return to Weighing Mode

• Press key to select “BACK” option in parameters to escape from the menu and back to normal weighing mode.

To access the technical parameters F4 TARE & TECH, it’s required to press the calibration switch, switch is locating below the scale.

MENU BLOCK

Note: To calibrate in “kg” or “lb” unit, capacity will be show in kg or lb values.
Default setting is marked by *

DIAGRAM: Serial interface

9pin D Connector:
Scale Computer
Pin 2 Pin 3
Pin 3 Pin 2
Pin 5 Pin 5

SPECIFICATION

DIMMENSIONS(inch/mm)

ERROR MESSAGE

www.VisionTechShop.com

100 Temple Ave. Hackensack, NJ 07601
Tel:+ 1-201-679-7793

Documents / Resources

VISION TECH SHOP TPD Interface Scale [pdf] User Manual TPD, Interface Scale, TPD Interface Scale, Scale

References

• User Manual