Vision Tech Shop TVD Series Manual de usuario

TVD

Multifunction Scale

Version 1.01b_1.11

7/9/2020

CONTENTS

1. PRECAUTIONS ....................................................................................................... - 1 -

2. INTRODUCTION ..................................................................................................... - 2 -

3. INSTALLATION ........................................................................................................ - 3 -

3.1 Unpacking ....................................................................................................... - 3 -

3.2 Installation ....................................................................................................... - 3 -

3.3 Leveling ........................................................................................................... - 3 -

3.4 Power Connection ......................................................................................... - 3 -

3.5 Rechargeable battery operation .................................................................. - 3 -

3.5.1 Charging the battery .......................................................................... - 4 -

3.5.2 Battery maintenance .......................................................................... - 4 -

4. KEYBOARD AND DISPLAY .................................................................................. - 5 -

5. OPERATION............................................................................................................. - 7 -

5.1 Power On/Off .................................................................................................. - 7 -

5.2 Zero .................................................................................................................. - 7 -

5.3 Tare .................................................................................................................. - 7 -

5.4 Select Weighing Units ................................................................................... - 8 -

5.5 Percent Weighing ......................................................................................... - 8 -

5.6 Parts Counting ............................................................................................... - 8 -

5.7 Tolerance checking ....................................................................................... - 9 -

5.7.1 Limits setting for target weight ......................................................... - 9 -

5.7.2 Limits setting for target quantity ..................................................... - 10 -

5.7.3 Limits setting for target percentage ............................................... - 10 -

5.8 Accumulation ................................................................................................ - 12 -

5.8.3 Memory Clear ................................................................................... - 12 -

5.8.4 Automatic Accumulation .................................................................. - 13 -

5.9 Printing .......................................................................................................... - 13 -

5.10 Back Light Setting ..................................................................................... - 13 -

5.11 Power Auto Off .......................................................................................... - 14 -

5.12 Check Internal Counts .............................................................................. - 14 -

5.13 Gravity Setting .......................................................................................... - 14 -

5.14 Capacity Settings ...................................................................................... - 15 -

6. PARAMETER ......................................................................................................... - 16 -

7. CALIBRATION ....................................................................................................... - 19 -

8. RS232 OUTPUT .................................................................................................... - 20 -

9. ERROR CODES .................................................................................................... - 23 -

10. SPECIFICATIONS............................................................................................... - 23 -

10.2 DIMMENSIONS(inch/mm) ............................................................................... - 25 -

TVD Series Multifunction Scale Scale Technical Manual

1. PRECAUTIONS

WARNING

DISCONNECT ALL POWER TO THIS UNIT

BEFORE INSTALLING, CLEANING, OR

SERVICING. FAILURE TO DO SO COULD

RESULT IN BODILY HARM OR DAMAGE THE

UNIT.

CAUTION

 Permit only qualified persons to service the instrument

 Before connecting or disconnecting any components, remove the

power.



Failure to observe these precautions bodily harm or damage to or

destruction of the equipment.

 Avoid installing the scale in direct sunlight, which may cause discoloration.

 Avoid overloading that could cause damage to the scale.

 If the scale is not to be used for a long period of time, remove battery from

the battery compartment to avoid leakage.

 Avoid stack materials on the scales, when scale is not in use.

 Avoid unsuitable tables. The tables or floor must be rigid and not vibrate.

Do not place near vibrating machinery.

 Avoid unstable power sources. Do not use near large users of electricity

such as welding equipment or large motors.

 Only use original adaptor, other could cause damage to the scale.

TVD Series Multifunction Scale Scale Technical Manual

2. INTRODUCTION

2.1 General

 The TVD series weighing scales are suitable for general weighing, check

weighing, simple parts counting, percent weighing ,accumulation and units

conversion.

 Capacities from 3kg to 30kg (6lb to 60lb).

 Rechargeable battery provide up to 70 hours of continues use (with out

backlight).

 Large 24mm LCD with white LED back light display.

 7 embossed membrane keys.

2.2 Over view

1. SST Pan

2. Weight Display

3. Key board

4. RS232 port

5. Power switch

6. AC adapter jack

7. Adjustable leveling Foot

TVD Series Multifunction Scale Scale Technical Manual

3. INSTALLATION

3.1 Unpacking

When you receive the scale, inspect it to make sure that it is not damaged and

that all are parts are included:

 Remove the scale from the carton.

 Remove the protective covering. Store the packaging and to use if you

need to transport the scale later.

 Inspect the scale for damage.

 Make sure all components are included.

1. Scale

2. Adaptor

3. Manual

4.Stainless steel pan

3.2 Installation

 Remove transport lock from bottom of the scale base

 Place the scale on a level surface

 Place the ABS plastic pan(2)on top of the scale base(3)

 Install the stainless steel pan(1)on top of the plastic pan(2)

3.3 Leveling

 The scale is equipped with a level indicator located left side of keyboard

 Use the adjustable leveling feet located on the

bottom of the scale until the bubble appears in

the center of the indicator.

3.4 Power Connection

 Connect the adaptor pin in to the indicator adaptor jack.

Adaptor jack is locating below the right 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.

3.5 Rechargeable battery operation

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

 The symbol on the weight display indicates that the battery is getting

low. It means that it’s time to charge the battery with the AC power. If

scale goes on being used without proper charging, <BAT-LO> words will

be showed on the display.

TVD Series Multifunction Scale Scale Technical Manual

 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.

3.5.1 Charging the battery

 Before the first use, the battery should be charged by connecting it to the

mains power supply for at least 12 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 display there is an LED to indicate the status of battery

charging. When the scale is plugged into the mains power the internal

battery will be recharged.

 If the LED is green, the battery has a full charge.

 If it is red, the battery is nearly discharged

3.5.2 Battery maintenance

 Do not use any other type of power adaptor than the one supplied with the

scale.

 Recharge battery should be changed 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.

TVD Series Multifunction Scale Scale Technical Manual

4. KEYBOARD AND DISPLAY

4.1 Keyboard

Keys Function Function in menu

Zero key

 Returns the display to zero

Confirm key

 To enter selected sub-menu

in settings

Tare key

 Used to perform a tare function,

Subtracts weights

Value increment key

 Used to change the selected

digit value

Scroll up key

 To change sub-menu in

parameter settings

Limit key

 Set the limits for tolerance

checking

Right arrow key

 Used to move the digit to the

right

 Scroll up menu in parameter

settings

Percent key

 Enters the percent weighing

function

 To show weight, unit weight

and counts when counting parts

Left arrow key

 Used to move the digit to the

left

 Scroll down menu in

parameter settings

Sampling key

 To switch from parts weighing

to parts counting

Clear key

 Used to reset parameters or

clear the total accumulated

values

Escape key

 To return to normal weighing

mode in other operating

mode or in parameter

settings

TVD Series Multifunction Scale Scale Technical Manual

Print key

 Used to send data to PC or

printer

Accumulation key

 To add the value to the

accumulation memory, if the

accumulation function is not

automatic

Memory recall key

 To show the stored values from

the memory

N.A

Units key

 Used to select weighing units

(kg/

)

N.A

4.2 Display Symbols

Battery indicator. When it’s

illuminated, battery should be

recharge

Indicate when the load above (HI),

load below (LO) and with in the

limits (OK) in check weighing

mode.

Gross

Gross Weight

Net

Net Weight

Ο Stable indicator. When it’s

illuminated, the scale is stable

Zero Zero indicator. When it’s

illuminated, the scale is in Zero

point

Kilogram Mode

Pound

Mode

LED

Battery char

ging indicator

TVD Series Multifunction Scale Scale Technical Manual

5. OPERATION

Initial Start-up

Warm-up time of 15 minutes stabilizes the measured values after switching on.

5.1 Power On/Off

Power switch is located below the right side of the scale.

1 Turn the scale ON; press the switch forward and hold. The scale will show

the capacity and enter a self-test mode and follow to enter the weighing

mode.

2 Turn the scale OFF, press the switch forward once again.

5.2 Zero

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.

5.3 Tare

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.

1 Load weight on the platform.

2 Press key. Zero is displayed, and tare is subtracted.

3 Remove weight on the platform. Tared weight is displayed. It can set only one

tare value. It will be shown with a minus value.

4 To clear the tare value, remove the load and press key. Zero is

displayed, tare weight is cleared.

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