Digi DI-28SS User manual
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User Guide
DI-28SS
WEIGHING INDICATOR
Teraoka Seiko Co., Ltd.
<Head office >
13-12 Kugahara 5-chome, Ohta-Ku, Tokyo 146-8580 Japan TEL: +81-3-3752-
2131,FAX: +81-3-3752-2801
<Ohsaki office >
2-3-13 Ohsaki, Shinagawa-Ku, Tokyo 141-8566 Japan TEL: +81-3-5496-7600,FAX:
+81-3-5496-7620 http://www.digisystem.com email:[email protected]
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Contents
Overview --------------------------------------------------------------------------------------------- 2
Features ---------------------------------------------------------------------------------------------- 2
Description of display ----------------------------------------------------------------------------- 4
Key switch function -------------------------------------------------------------------------------- 4
Function setting------------------------------------------------------------------------------------- 5
Error messages------------------------------------------------------------------------------------- 6
Operation mode ------------------------------------------------------------------------------------ 6
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Overview
DI-28SS is a microprocessor chip good for all kinds of weighing application for Bench
Scale , Floor Scale and Platform Scale . It is very high accuracy and use re-charge
battery operate up to 120hrs . It is a new design for weighing indicator with build-in
series output RS-232c.
Features :
1. Accuracy class C-III.
2. A/D conversion speed 20 times/second.
3. Internal resolution 1/ 300,000.
4. Display resolution 1/1000 1/30,000 division.
5. Non linearity 0.016 F.S.
6. Rated Output 0~20mV.
7. Excitation Voltage _DC5V Analog (up to 4 x 350Ωload cell) .
8. Power supply DC6V/4Ah re-charge battery or AC230V power supply.
9. Display 6 digits LED display and height 25mm LED.
10. LED indicate G.W., N.W., tare, zero, ct, oz, lb, kg.
11. Powerconsumption 1W.
12. Operating temperature 0 ~ 40 .
13. Humidity < 85 .
14. Dimension 230mm x 145mm x 98mm.
15. Weight 1.5 kg.
Front view Diagram
BAT STB GROSS NET TARE ZERO
Ct
Oz
Lb
Kg
I
T
O
M
↑
→
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Description of display
LED
Name
Description
BAT
Low battery sign
Battery Voltage is low
STB
Stable sign
Display show weight is stable
GROSS
Gross weight
Display the gross weight
NET
Net weight
Display value show net weight after deduct the
container from the platter
TARE
Tare weight
Tare weight is after deduct container weight
ZERO
Zero
Display weight is zero
Kg
Unit kg
Displayed weight is in Kilogram (kg)
LB
Unit lb
Displayed weight is in Pounds (lb)
Oz
Unit oz
Displayed weight is in Ounce (oz)
Ct
Unit ct
Displayed weight is in carat (ct)
Negative
Negative weight
Displayed weight is (-) negative
Charge
Charged battery
1. When turn to Red LED show battery is LOW
2. When turn to Green LED show battery is full
HI
Over limit
The weight is over the preset value
OK
Pass limit
The weight I between HI & LO preset value
LQ
Low limit
The weight is under the preset value
Switch bottom function :
1. Switches Power On / Off.
i. Press Ionce, the display show a self-test and come to Zero on the screen.
Each LED will display 0 to 9 in sequence during the self-test.
ii. Press and hold Ifor 3.0 second, the display will shut down automatically.
2. T Place the container on the platter .Press Tthe weight of the container will be
subtracted and “ NET “ & “ 0 “ will appear .
3. O Re-zero the weight and display show zero.
4. M Press M to choose the unit weight and display will show: Kg, lb, oz and ct.
5. Press →- the display shown number of times weighed in “ n x x ” and after to
print out accumulated total.
i. To clear or reset the accumulated total , press O once. Press ↑ to print
current weight and the weight will be added to the accumulated total.
ii. To clear or reset the accumulated totals, press O .
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Print format:
When printing , pressing ↑ each time will print out the current sequence of the
current weight. Upon pressing →the accumulated total will be print out.
Example : print out format is as follow: -
Function Setting :
Put the Cal JP "OFF" position ( Short jumper off ) :
1. Press T 1.5 seconds, the display show " OFF x x ", mean is auto power off
function : 3 minute - 30 minute and 0 (always ON) . Press ↑to choose 3,10,15 and 30,
for automatically power off .
2. Press M the display show : " bp On " or " bp OFF. Press ↑ to
choose On or OFF for buzzer sound or not sound.
3. Press M the display show : " L XX. X " .Press → ↑ to select a
new value for weight under the limit ( LO ).
4. Press M the display show " 0 XX. X " . Press → ↑ to select a new
value for weight between the HI & LO limit ( OK ).
5. Press M the display show " H XX. X " . Press → ↑ to select a new
value for weight over the limit ( HI ).
6. Press M the display show " 08.09.10". Mean is year / month / day.
08 = year , 09 = month , 10 = day . Press → ↑ to select the value.
7. Press M the display show " 12.34.56 ". Mean ishour / minute / second.
12 = hours , 34 = minutes , 56 = second. Press → ↑ to select the value.
8. Press M return to normal display weight
Ns
weight
1
1.200
kg
2
2.300
kg
3
3.400
kg
4
4.500
kg
5
5.500
kg
AHrl
■
16.90
kg
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Error Messages
Display
Possible Cause
Solution
Press “POWER” no display
The 230V/AC power supply
not working or Re-
chargeable battery voltage
Check the power supply or
battery and power switch
One section of LED display
no light
The LED display is not good
in condition
To replace LED display
The display reading not
stable
To check the flatform
structure
To open the platform
structure and clean the
structure
The scale can not do
calibration
To check the calibration
jumper (put to “ON” position)
To open casing and palce
the cal jumper ON position
The scale is not accurate
The Loadcell is not good in
condition
To replace the new Loadcell
Operation Mode
Open the casing , switch the jumper ( JP1 ) to “ OFF ” position.
The function will be as follow:
Press “T” and
hold for 1.5
seconds
CAL
Press M
OFF
Press M
Press M
Press M
Press M
Press M
BP
LO
OK
HI
EXIT
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