Vision Tech Shop TVD Series User manual

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

TVD Series Multifunction Scale Scale Technical Manual
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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
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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
1
2
3
4
5
6
7

TVD Series Multifunction Scale Scale Technical Manual
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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
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 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
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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
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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/
g
)
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
k
g
Kilogram Mode
lb
Pound
Mode
LED
Battery char
ging indicator

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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.

TVD Series Multifunction Scale Scale Technical Manual
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5.4 Select Weighing Units
Press key.It can select to kg/g/lb/oz in the weighing mode.
5.5 Percent Weighing
The scale can set a sample weight to be shown as 100%. Then any other
weights place on the scale, it will be displayed as a percentage of the original
sample.
Operation:
1 350g weight place on the scale and follow by press the key is pressed
the display will show 100.00%.
2 Remove the weight, and ensure display is zero
3 Place 300g weight on the platform, display will be show 85.71 % as per the
percentage of 350g (100%)
4 Press key to return the scale to weighing mode.
 The weighing may be amended on the basis of greater numbers of
samples, improves the accuracy of percentage large quantities.
5.6 Parts Counting
In the weighing mode, it can enable scale to enter parts counting mode.
Operation:
1 Place the parts ( pieces ) items on the pan, items must be placed according
to parts options.
2 Press the key . Display shows P 10
3 It can select the parts options by pressing key .
4 Parts options are P 10 / P 20 / P 50 / P 100 / P 200
Unit mark
Unit name
Conversion
（
g
）
1
g
gram
2
k
g
kilogram
=1000g
3
lb
lb
=453.59237g
4
oz
ounce
=28.349523125g

TVD Series Multifunction Scale Scale Technical Manual
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5 Press key when the displayed number matches the number of items
used in the sample.
6 Scale will store the pieces according to the items.
7 It can add more pieces on the pan, display will be show the pieces according
to the stored items.
8 Press key to display unit weight ( g / pcs) , Total weight (kg) and
quantity ( pcs).
9 Press key to return the scale to weighing mode.
5.7 Tolerance checking
The weighing scales allow weighing items according to a target quantity or target
weight or target percentage within specified tolerances. With this function one can
also check if the weighing good is within a defined tolerance range. Reaching target
quantity is indicated by an audio sound (if enabled in menu)
Note: Check weighing or counting available only when weight more than 20d
5.7.1 Limits setting for target weight
1 Press key to set the check weighing function in weighing mode.
2 Display will be show the indicator to set Hi-Limit and the first digit will be
active. 000.000 kg
3 Use and keys to shift location and press key to change the
limit value, and press key to confirm.
4 Scale will be confirmed the Hi-Limit and display will be show the indicator
to set Lo-Limit and the first digit will be active. 000.000 kg
5 Use and keys to shift location and press key to change the
limit value, and press key to confirm.
6 Limits setting completed and display will return to zero,Load the weight on
platter,the check weighing control will start .

TVD Series Multifunction Scale Scale Technical Manual
5.7.2 Limits setting for target quantity
1 Place the parts ( pieces ) items on the pan.
2 Press key to display P 10 option.
3 Press key to confirm and display will be come to counting mode.
4 Press key to set the check counting function.
5 Display will be show the indicator to set Hi-Limit and the first digit will be
active. 000000 pcs
6 Use and keys to shift location and press key to change the
limit value, and press key to confirm.
7 Scale will be confirmed the Hi-Limit and display will be show the indicator
to set Lo-Limit and the first digit will be active. 000000 pcs.
8 Use and keys to shift location and press key to change the
limit value, and press key to confirm.
9 Limits setting completed and display will return to zero,Load the weight on
platter,the check counting control will start .
5.7.3 Limits setting for target percentage
1 Place the items on the pan.
2 Press key ,it will display 100%
3 Remove the items,scale will be come to percentage mode.
4 Press key to set the check counting function.
5 Display will be show the indicator to set Hi-Limit and the first digit will be
active. 0000.00 %

TVD Series Multifunction Scale Scale Technical Manual
6 Use and keys to shift location and press key to change the
limit value, and press key to confirm.
7 Scale will be confirmed the Hi-Limit and display will be show the indicator
to set Lo-Limit and the first digit will be active. 0000.00 %.
8 Use and keys to shift location and press key to change the
limit value, and press key to confirm.
9 Limits setting completed and display will return to zero,Load the weight on
platter,the check percentage control will start .
5.7.4 To set beep mode
The beep sound depends on the settings made in menu block
Options:
Beep 0
Beep sound turned off
Beep 1
Beep sound will ring out when load is within tolerance range
Beep 2
Beep
sound will ring out when load is beyond tolerance range
When target quantity/target weight/target percentage is exceeds
maximum tolerance limit
When target quantity/target weight/target percentage is within
tolerance range
When target quantity/target weight/target percentage is below
minimum tolerance limit
5.7.5 To disable check weighing mode
1 Press the key to display current limits.
2 Press the key to enter zero into both limits when the current limits are
shown,
3 Press the key to store the zero values.
Notes
 Check weighing available only when weight more than 20d

TVD Series Multifunction Scale Scale Technical Manual
 The function is not valid when one enters a lower limit greater than
the upper limit.
 When lower limits are the same with upper limits,display only shows
one set value.
5.8 Accumulation
TVD can set to accumulate manually by pressing key or
automatically.Before operation scale should be stable and return to zero,
accumulation available only when weight more than 20d
To set the accumulation function to turn on, select the parameter ACC>ON
Note: Accumulation function can operate only in weighing mode.
5.8.1 Manual Accumulation
In the normal weighing mode, ensure display is zero and stable indicator is on.
1 Place the items on the platform and press key, when the display get
stable
2 Display will be show ACC 1 and will show the total of the accumulation
3 The data will be sent to printer or PC if connected with printer or computer
4 Remove the weight from the pan for to get display zero and stable for the
next accumulation.
5 Scale should be get stable and zero for the next accumulation.
It can continue 99 operations or until to reach the maximum value of display.
5.8.2 Recall Memory
Press key, when the display in the normal weighing mode, display will be
show the accumulation times and will show the total values. These display will be
show only two seconds.
5.8.3 Memory Clear
To clear the memory, press key to view and press key during the
accumulation displayed. Display will be show normal display , all accumulation
memory cleared from the memory

TVD Series Multifunction Scale Scale Technical Manual
5.8.4 Automatic Accumulation
To enable the automatic accumulation,please see parameter AU>ON
Scale will be do the accumulation automatically.
1 Place the items on the platform.
2 After stable, buzzer will be beep once.
3 Remove the weight from the pan .
4 Display will be show the accumulation times and total value, these display
will be show only two seconds.
5 Display should be come to zero and stable for the next operation.
5.9 Printing
The weighing data can be printed out by pressing keys when connected
with printer.To enable the printing function,please as per the following settings.
See detail parameters:
1.B9600
2.ACC ON
3.LP-50
5.10 Back Light Setting
1 Press and keys during that start up.
2 Press key until display show El au.
3 Press key to select the sub menu options.
4 Press key to confirm.
E
l au
To set auto option. When start to use back light will be
on and when stop the operation back light also will off.
E
l on
To set always on. After turn on the power, back light
also will be on.
E
l off
To set back light turn off. No back light in the
operations

TVD Series Multifunction Scale Scale Technical Manual
5.11 Power Auto Off
After scale operations, when scale is not in use, it can set to turn off
automatically
1 Press and keys during that start up.
2 Press key until display show Of 0
3 Press key to select the sub menu options.
4 Press key to confirm.
Of 0
Set to turn off the auto off function
Of 3
Set to turn off three minutes later with no weight
changes or
key presses.
Of 5
Set to turn off five minutes later with no weight changes
or
key presses.
Of 15
Set to turn off 15 minutes later with no weight changes
or
key presses.
Of 30
Set to turn off 30 later with no weight changes or key
presses.
5.12 Check Internal Counts
1 Turn on the scale and press and keys during the self test.
Display will be show internal counts.
2 Press key to return the scale to weighing mode.
5.13 Gravity Setting
1 Turn on the scale and press and keys during the self test.
Display will be show the current gravity.
2 Press key to shift right location and Press key to shift left location.
3 Press key to increase the value.

TVD Series Multifunction Scale Scale Technical Manual
4 Press key to confirm and back to normal weighing mode.
5.14 Capacity Settings
Select the *jump pins as per follow to set the scale capacity.
TVD
SERIES
3kg
(6lb)
Short K6
and K1
6 kg
(12lb)
Short K
6
1
2
kg
(30lb)
Short K1
30kg
(60lb)
No short
CAL
Short K
4

TVD Series Multifunction Scale Scale Technical Manual
6. PARAMETER
Enter the Parameter
 Turn on the scale. Press and keys during that start up.
Enter to Selected Menu
 Press , it can confirm which will be shown displayed.
Select the Menu
 Press or It can choose menu block one by one.
 Press key to choose sub-menu block one by one.
Escape from the settings
 Press , it can escape to the normal weighing mode.
Active Parameter
 Press CAL switch to active parameter
If want to change any parameter want to press CAL switch

TVD Series Multifunction Scale Scale Technical Manual
PARAMETER MENU BLOCK
Menu
Sub Menu
Description
R 3 000
R 3000
Set resolution
R 6000
R dual
El
au
El on
Set the back light display on, off and
automatic
El off
El au
Au off
P cont
Set RS 232 mode , sending data
continuously to PC
toledo
Protocol Type 1: Toledo
nciecr
Protocol Type 2: NCI
-
ECR
ncigen
Protocol Type 3: NCI
-
General
tec
Protocol Type 4: TEC
easy
Protocol Type 5: Easy Weigh
Au on
Data sending enable
Au off
Data sending disable
B 600
B 600
Set Baud rate
B 1200
B 2400
B 4800
B 9600
Tp
Tp
Press key to send data to TpuP
receipt
printer
Lp
-
50
LAB 0
Press key to send data to DLP
label printer
RFT 1
Press key to send data to DEP
receipt printer
RFT 2
Press key to send data to DEP
receipt printer
Acc of
Acc of
Set accumulat
ion function
o
ff
Acc on
Set accumulat
ion function
o
n
Beep 0
Beep 0
Beep sound off during the check
weighing
Beep 1
Beeper will be sounded with in the
check weighing limits
Beep 2
Beeper will be sounded above the
check weighing limits
Speed 15
Spd 7.5
Set the ADC speed
Spd 15