Service Manual for DS-781/782(RS)
Edition Month Year
1st Sep. 2008
2nd
3rd
4th
5th
SHANGHAI TERAOKA ELECTRONIC CO., LTD.
Ting Lin Industrial Development Zone, Jin Shan District, Shanghai P. R. China 201505
Tel: +86-21-5723-4888 Fax: +86-21-5723-4090 Web: www.digi-scale.com
Contents
1. General Layout ................................................................................................................................................................................................ 5
1.1. Bench Type ......................................................................................................................................................................................... 5
1.2. Pole Type ............................................................................................................................................................................................ 6
2. Purpose ............................................................................................................................................................................................................ 7
3. Features ........................................................................................................................................................................................................... 7
4. Operating Conditions ....................................................................................................................................................................................... 8
5. Analog Specification ....................................................................................................................................................................................... 8
6. Capacity/Minimum Graduation/Tare range ..................................................................................................................................................... 8
6.1. Single Interval ..................................................................................................................................................................................... 8
6.2. Multi-Interval ...................................................................................................................................................................................... 8
7. Display and Indicators ..................................................................................................................................................................................... 9
7.1. Display Specifications ......................................................................................................................................................................... 9
7.2. Indicators ............................................................................................................................................................................................ 9
8. Dimensions ...................................................................................................................................................................................................... 9
9. External Connectors ........................................................................................................................................................................................ 9
10. Main Components ......................................................................................................................................................................................... 9
11. Existing parts to be used ................................................................................................................................................................................ 9
12. Keysheet Layout ............................................................................................................................................................................................ 9
13. Key Functions .............................................................................................................................................................................................. 10
13.1. Type A (11 Preset keys) .................................................................................................................................................................. 10
13.2. Type B (15 Preset keys) .................................................................................................................................................................. 10
14. Block Diagram of Electrical Connection ..................................................................................................................................................... 11
15. Physical layout of Electrical Connection ..................................................................................................................................................... 13
16. Hardware Description .................................................................................................................................................................................. 14
16.1. Microcomputer ................................................................................................................................................................................ 14
16.2. Pin Assignment ............................................................................................................................................................................... 15
17. Maintenance Mode ..................................................................................................................................................................................... 16
17.1. SPAN Switch and Software Version Check ................................................................................................................................... 16
17.2. SPAN Adjustment ........................................................................................................................................................................... 16
17.2.1. Full capacity weight for SPAN Adjustment ....................................................................................................................... 16
17.2.2. Proportion of capacity weight for SPAN Adjustment ........................................................................................................ 17
17.3. Escape from Maintenance mode .................................................................................................................................................... 17
17.4. Specification Setting ....................................................................................................................................................................... 18
17.4.1. Specification Enter (141) ................................................................................................................................................... 18
17.4.2. Specification Enter (142) ..............................................................................................................................
..................... 18
17.5. Internal Count & A/D Count Display ............................................................................................................................................ 19
17.6. Tax Setting ...................................................................................................................................................................................... 19
17.7. Operational Specification List ......................................................................................................................................................... 19
18. Operations In Weighing Mode ................................................................................................................................................................... 25
18.1. ON/OFF .......................................................................................................................................................................................... 25
18.2. Tare Subtraction ............................................................................................................................................................................. 25
18.2.1. One Touch Tare Subtraction ............................................................................................................................................. 25
18.2.2. Digital Tare Subtraction .................................................................................................................................................... 25
18.3. Plural Operation ............................................................................................................................................................................. 26
18.3.1. Standard Version ................................................................................................................................................................ 26
18.3.2. Japan Type A Version ........................................................................................................................................................ 26
18.3.3. Japan Type B Version ........................................................................................................................................................ 26
18.4. Multiplication Operation ................................................................................................................................................................ 27
18.4.1. Standard Version ................................................................................................................................................................ 27
18.4.2. Japan Type A Version ........................................................................................................................................................ 27
18.4.3. Japan Type B Version ........................................................................................................................................................ 27
18.5. AMT/TEND Key Operation ............................................................................................................................................................ 28
18.5.1. Method A (Direct entry method: SPEC30.1 = 1) ............................................................................................................... 28
18.5.2. Method B (Indirect entry method: SPEC30.1 = 0) ............................................................................................................ 28
18.6. Correction Of Past Sales Data ....................................................................................................................................................... 28
18.7. Price Base Change By 100g/kg Key ............................................................................................................................................... 29
18.8. Auto Zero Operation ....................................................................................................................................................................... 29
18.9. kg and lb conversion by UNIT Key ................................................................................................................................................ 29
18.10. kg, decimal lb and kati conversion by UNIT Key ........................................................................................................................ 30
18.11. Currency Conversion by EURO Key ............................................................................................................................................ 30
18.11.1. Currency Conversion Operation Method 1 (SPEC4.32 = 01) ......................................................................................... 30
18.11.2. Currency Conversion Operation Method 2 (SPEC4.32 = 10) ......................................................................................... 30
19. Operations of Mode Set Key ....................................................................................................................................................................... 31
19.1. Mode Change Using Mode Set Key ................................................................................................................................................ 31
19.2. PLU Setting .................................................................................................................................................................................... 31
19.3. Preset Key Setting ........................................................................................................................................................................... 31
19.3.1. Preset Key Setting when PLU function is allowed. ........................................................................................................... 31
19.3.2. Preset Key Setting when PLU function is inhibited. ......................................................................................................... 32
19.4. Conversion Rate Setting ................................................................................................................................................................. 32
19.5. Invert Currency Conversion Function ........................................................................................................................................... 32
19.6. Cancel Currency Conversion Function ......................................................................................................................................... 33
20. RS-232C Interface ....................................................................................................................................................................................... 33
20.1. Specification .................................................................................................................................................................................... 33
20.2. Pin Assignment ............................................................................................................................................................................... 33
20.3. Control Code and Characters ........................................................................................................................................................... 33
20.4. Data Format ..................................................................................................................................................................................... 35
20.5 Communication Method ................................................................................................................................................................... 36
20.5.1 Type A (Standard Stream) .................................................................................................................................................... 37
20.5.2 Type W (Standard Manual) .................................................................................................................................................. 38
20.5.3 Type B (Standard Command) ..............................................................................................
................................................. 39
21. Error Massage List ...................................................................................................................................................................................... 39
Features of DS781/782:
Bottom Front
（
Pole Type）
Side
（
Pole Type）
①：Power Interface
②：Backup battery
③：Operator displays
④：Keyboard
⑤：Platter
⑥：Nameplate
⑦：Customer displays（Pole Type）
1. General Layout
1.1. Bench Type
1.2. Pole Type
2. Purpose
To develop a low power consumption digital price computing scale which caters OIML Standard.
3. Features
* Low power consumption LCD digital price computing scale.(DS781)
Low power consumption LCD with back-light digital price computing scale
.(DS782)
* Quick response to weight changes.
* Capacity : 3kg, 6kg, 15kg, 30kg, 6lb, 15lb, 30lb and 60lb.
* Resolution : Display Resolution 1/3000.
Internal Resolution 1/90000.
* Low power consumption :
- DS781: Battery(4 x C size dry battery) backup for more than 200 hours of continuou s usage.
- DS781RS: Battery(4 x C size dry battery) backup for more than 120 hours of continuous usage.
- DS782: Rechargeable Battery backup for more than 600 hours of continuous usage. (Back-light function is off)
- DS782RS: Rechargeable Battery backup for more than 380 hours of continuous usage. (Back-light function is off).
* Two-Point battery low detect
(DS781)
A. When battery is weak, the Battery indicator will light up.
B. When the power from battery becomes low such that the scale can not compute accurately,
all displays will shut off except the Battery indicator. The power is then shut off completely after 1minute.
* Intelligent power control
(DS782)
A. When AC power is available, scale will use AC power only whatever rechargeable battery is installed or not.
When AC power is shut off, scale will use battery automatically.
B. When scale works on rechargeable battery, if the battery is weak, the battery ind ictor will light up.
When the power from battery becomes low such that the scale can not compute accurately, all Displays
will shut off except the Battery indicator. The power is then shut off completely after 1 minute.
C. Scale detects rechargeable battery voltage and control battery charge process automatically.
The battery indicator blinks when rechargeable battery is being charged.
* Calibration by software.
* Water proof keyboard and splash proof housing.
* Customer and operator displays.
* 33 keys:
- ON/OFF key.
- 10 Numeric keys.
- 11/7 Operational keys.
- 11/15 Preset keys.
* High contrast LCD display.
(DS781)
* High contrast LCD display with back-light function.
(DS782)
* Flat platter.
* 99 codes(PLU) can be programmed with unit price and/or tare.
* RS-232C interface
(DS781RS ,DS782RS only).
4. Operating Conditions
DS781:
* Power Source : 4 x C size dry battery or AC/DC Adapter(DC 5V ~ 8V, 100mA).
* Operating Temperature : -10℃ ~ +40℃.
* Operating Humidity : 15 ~ 85% RH.
* Power Consumption : 0.24W when DC 6V..
: 0.12W when using dry battery.
DS782:
* Power Source : AC 240/230/220V, 117/100V.
: DC 6V 5Ah rechargeable battery (optional).
* Operating Temperature : -10℃ ~ +40℃.
* Operating Humidity : 15 ~ 85% RH.
* Power Consumption : 18W when using AC power.
: 1.2W when using rechargeable battery.
5. Analog Specification
* Input sensitivity : 1mV/V.
* Zero adjust range : 0 ± 3.3mV.
* Zero balance range : 0 ± 0.33mV.
* L/C applied voltage : DC 3.3V.
* Speed of A/D conversion : 10 times/sec.
* Internal Resolution : 90000.
6. Capacity/Minimum Graduation/Tare range
6.1. Single Interval
Capacity Minimum Graduation Tare Rang
3kg 1g (1e = 30IR) 0 - 1.499kg
6kg 2g (1e = 30IR) 0 - 2.998kg
15kg 5g (1e = 30IR) 0 - 7.495kg
30kg 10g (1e = 30IR) 0 - 14.99kg
6lb 0.002lb (1e = 30IR) 0 - 2.998lb
15lb 0.005lb (1e = 30IR) 0 - 7.495lb
30lb 0.01lb (1e = 30IR) 0 - 14.99lb
60lb 0.02lb (1e = 30IR) 0 - 29.98lb
6.2. Multi-Interval
Capacity Minimum Graduation Tare Rang
3kg 1g (1e = 10IR) 0 - 1.499kg
6kg (0-3kg)-1g (1e=15IR) (3-6kg)-2g (1e=30IR) 0 - 2.999kg
15kg (0-6kg)-2g (1e=12IR) (6-15kg)-5g (1e=30IR) 0 - 5.998kg
30kg (0-15kg)-5g (1e=15IR) (15-30kg)-10g (1e=30IR) 0 - 9.995kg
6lb (0-3lb)-0.001lb (1e=15IR) (3-6lb)-0.002lb (1e=30IR) 0 - 2.999lb
15lb (0-6lb)-0.002lb (1e=12IR) (6-15lb)-0.005lb (1e=30IR) 0 - 5.998lb
30lb (0-15lb)-0.005lb (1e=15IR) (15-30lb)-0.01lb (1e=30IR) 0 - 9.995lb
60lb (0-30lb)-0.01lb (1e=15IR) (15-30lb)-0.02lb (1e=30IR) 0 - 29.99lb
*NOTE : IR -> Internal Resolution, e -> Division(Minimum Increment).
Internal count(full capacity) = 90000IR.
7. Display and Indicators
Standard
7.1. Display Specifications
* Weight Display : 5 digits.
* Unit Price Display : 5 digits.
* Total Price Display : 6 digits.
7.2. Indicators
*
: On when zero point is adjusted and weight is stable.
* NET : On when tare subtraction is performed.
* FIX : On when tare or PLU/unit price is fixed.
* MEM : On when price is accumulating.
* : On when battery is weak and needs to change.
8. Dimensions
* Platter size : 300 x 225 mm.
* Overall size : 335.7(W) x 349.7(D) x 123.5(H) (Excluding Pole type customer side display).
9. External Connectors
* DC receptacle.
* RS-232C interface (DS781RS only).
* RS-232C interface (DS782RS only).
10. Main Components
* Microcomputer : R5F21255(16 bit, 24K ROM) / R5F21256(1 6 bit, 32K ROM) / R5F21257(16 bit, 48K ROM)
/ R5F21258(16 bit, 64K ROM).
* Display device : LCD.
* Loadcell : 1k resistance loadcell.
11. Existing parts to be used
* Platter (DS-685).
* J type Loadcell (DS-671).
12. Keysheet Layout
Type A
Type B
13. Key Functions
(The “mode”key is and th e “RE-ZERO”key is in the keyboard)
13.1. Type A (11 Preset keys)
ON/OFF : ON/OFF key. Turns the power ON or OFF.
MODE : MODE SET key. Switch into following modes: Program Mode, Grand Total Check Mode.
RE-ZERO : RE-ZERO key. Resets weight display to zero.
T : TARE key. Set or clears tare value.
C : CLEAR key. Clears numerical values.
0 to 9 : Numeric keys. Input numerical value.
CODE : CODE key. Enter PLU code.
FIX : FIX key. To fix tare weight or PLU/unit price.
* : Data Setting key. Set up or clear mode.
Used as data send key for RS232C type.
+ : Accumulation key. Adds sum or accumulate sum.
- : Minus key. Correct operation on products.
x : Multiply key. Register the same non-weighing product multiple times.
AMT/TEND : Enters amount tendered. Two different types of AMT/TEND operation can be selected by SPEC.
to : PRESET keys. Set up or call either unit price.
13.2. Type B (15 Preset keys)
ON/OFF : ON/OFF key. Turns the power ON or OFF.
MODE : MODE SET key. Switch into following modes: Program Mode, Grand Total Check Mode.
RE-ZERO : RE-ZERO key. Resets weight display to zero.
T : TARE key. Set or clears tare value.
C : CLEAR key. Clears numerical values.
0 to 9 : Numeric keys. Input numerical value.
CODE : CODE key. Enter PLU code.
FIX : FIX key. To fix tare weight or PLU/unit price.
* : Data Setting key. Set up or clear mode.
to : PRESET keys. Set up or call either unit price.
1 11
1 15
14. Block Diagram of Electrical Connection
DS-781
DS-782
15. Physical layout of Electrical Connection
S
C
W
-
D
1
4
4
(STB-2119)
DS781 MAIN BOARD
CUSTOMER DISPLAY BOARD
LOAD CELL
STB-2121
(STB-2120)
A/D (RFI)
CN2
DC JACK
CN1
40P
CN6
CN1
5P
2P
S
C
W
-
D
1
9
0
S
C
W
-
D
1
9
2
CN1
KEYBOARD
4 C SIZE
S
C
W
-
D
1
9
1
CN7
(40P)
2P
CN4
5P
RS232 I/F
S
C
W
-
D
1
9
5
DRY BATTERY
DS-781
TRANSFOMER
SC
W
-
D
1
9
5
RECHARGEABLE
BATTERY ( 6V)
CN1
40P
STB-2121
KEYBOARD
5P
CN4
CN2
2P
2P
CN1
CN7
5P
CN1
CN6
(40P)
(STB-2125)
DS782 MAIN BOARD
A/D ( RFI)
S
C
W
-
D
1
4
4
(STB-2120)
RS232 I/F
S
C
W
-
D
1
9
2
CUSTOMER DISPLAY BOARD
RECEPTABLE
LOAD CELL
S
C
W
-
D
1
5
2
DS-782
16. Hardware Description
16.1. Microcomputer
The R5F21255 / R5F21256 / R5F21257 / R5F21258 Microcomputer was chosen for the following reasons:
* Cheaper.
* Low voltage low power consumption.
* On-chip oscillator.
* On-chip power-on reset circuit and voltage detection circuit.
* Flash programming and erasure endurance: 1000 times for progra m ROM and 10000 times data flash.
* 20 interrupt sources and efficient interrupt processing.
* 4 versatile timers.
* 12 channels 10-bit A/D converter.
* Pin compatibility of similar package with difference ROM sizes.
* Good support.
16.2. Pin Assignment
Pin I/O Assignment Device Remark
P00/AN7 I DCVOLT
(DS-781)
ACVOLT
(DS-782)
DC Power
(DS-781)
AC Power
(DS-782)
Detects DC Power
(DS-781)
Detects AC Power
(DS-782)
P01/AN6 O BTVOLT
*DS-782only
Battery
*DS-782only
Detects Battery Voltage
*DS-782only
P02/AN5 O - - NC
P03/AN4 O - - NC
P04/AN3 O - - NC
P05/AN2 O - - NC
P06/AN1 O - - NC
P07/AN0 O
EEPCS 93C46
EEPROM CS (Reserved)
P10/K10/AN8 O
CBUZZ
Buzzer Buzzer Sounder
P11/K11/AN9 O
EEPSK 93C46 EEPROM Serial Clock (Reserved)
P12/K12/AN10 O
EEPDO 93C46 EEPROM Serial Data Out (Reserved)
P13/K13/AN11 I
EEPDI 93C46 EEPROM Serial Data In (Reserved)
P14/TXD0 O
CTXD0 3232E RS-232C TXD
P15/RXD0 I
CRXD0
3232E RS-232C RXD
P16/CLK0 O
CRTS0
3232E RS-232C RTS
P17/TRAIO/INT1 I
CCTS0
3232E RS-232C CTS
P20/TRDIOA0 O
T1 Keyboard Key Scanning Line
P21/TRDIOB0 O
T2 Keyboard Key Scanning Line
P22/TRDIOC0 O
T3 Keyboard Key Scanning Line
P23/TRDIOD0 O
T4 Keyboard Key Scanning Line
P24/TRDIOA1 O
T5 Keyboard Key Scanning Line
P25/TRDIOB1 O
T6 Keyboard Key Scanning Line
P26/TRDIOC1 O - - NC
P27/TRDIOD1 O - - NC
P30/TRAO O BTPW BATT-PW Controls battery power
P31/TRBO O BTCHG
*DS-782only
BATT-CHARGER
*DS-782only
Controls battery charger
*DS-782only
P33/SSI O CBKL
*DS-782only
Back-light Controller
*DS-782only
Controls Back-light
*DS-782only
P34/SDA/SCS O SDA BU9792FUV LCD Controller/Driver Serial Clock
P35/SCL/SSCK O SCL BU9792FUV LCD Controller/Driver Serial Data
P37/SSO O - - NC
P42/VREF I - - A/D Reference Voltage
P43/XCIN O ADPOWN TI1232 Power Down and Reset
P44/XCOUT O ADCLK TI1232 Serial Clock
P45/INT0 I ADDO TI1232 Serial Data
P46/XIN I - - Conn ect to VCC via resistor
P47/XOUT I - - Connect to VCC via resistor
P60/TREO I K1 Keyboard Key Return Line
P61 I K2 Keyboard Key Return Line
P62 I K3 Keyboard Key Return Line
Pin I/O Assignment Device Remark
P63 I K4 Keyboard Key Return Line
P64 I K5 Keyboard Key Return Line
P65/CLK1 I K6 Keyboard Key Return Line
P66/INT2/TXD1 O - - NC
P67/INT3/RXD1 I
K_ON/OFF Keyboard Key Return Line
VCC/AVCC I - - Power Supply / Analog Power Supply
VSS/AVSS I - - Power Supply / Analog Power Supply
MODE I - - Mode Input
RESET I - - Reset Input
17. Maintenance Mode
17.1. SPAN Switch and Software Version Check
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 0 0 0. 0 0 0.0 0 Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 2 8 4 while pressing
[RE-ZERO] + [2] [8] [4] S t E 2 8
(*DS-781)
S t E 2 9
(*DS-782)
V r x. x x S - O N [RE-ZERO].
Display software ID code in weight column,
version in unit price column. Display S-ON in
total price column when SPAN switch is set to
enable, Can access to 142 and calibration
mode.
S t E 2 8
(*DS-781)
S t E 2 9
(*DS-782)
V r x. x x S - O F F Display S-OFF when SPAN switch is set to
disable. Can not access to 142 and calibration
mode.
0.0 0 0 0.0 0 0.0 0 Goes back to Weighing mode after 3 seconds
display.
17.2. SPAN Adjustment
NOTE: It can work only when SPAN SWITCH is on (Enable).
17.2.1. Full capacity weight for SPAN Adjustment
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 0 0 0. 0 0 0.0 0 Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 8 7 1 5 while pressing
[RE-ZERO] + [8] [7] [1] [5] C A L 0 0 RE-ZERO.
Ensure no weight on platter, [*] - - - - - Calibrating zero point.
C A L S P Displays “CALSP”
Put full capacity weight on platter 1 5.0 0 0 and full capacity(e.g. 15kg) alternately.
(e.g. 15kg), [*] - - - - - Calibrating Span.
After calibration 1 5.0 0 0 0.0 0 0.0 0 Goes back to Weighing mode.
17.2.2. Proportion of capacity weight for SPAN Adjustment
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 0 0 0. 0 0 0.0 0 Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 8 7 1 5 while pressing
[RE-ZERO] + [8] [7] [1] [5] C A L 0 0 RE-ZERO.
Ensure no weight on platter, [*] - - - - - Calibrating zero point.
Place weight to be calibrated on the C A L S P Displays “CALSP”
Platter (e.g. 6kg) 1 5.0 0 0 and full capacity(e.g. 15kg) alternately.
[C] 1 3.5 0 0 [C] key to set weight used for calibration.
[C] 1 2.0 0 0 Decreased at 10% of capacity rate.
:
:
[C] 6.0 0 0 Set to 6kg.
[*] - - - - - Calibrating Span.
After calibration 6.0 0 0 0.0 0 0.0 0 Goes back to Weighing mode.
Put 15kg weight on platter 1 5.0 0 0 0.0 0 0.0 0
17.3. Escape from Maintenance mode
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 0 0 0. 0 0 0.0 0 Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 8 7 1 5 while pressing
[RE-ZERO] + [8] [7] [1] [5] C A L 0 0 RE-ZERO.
[T] 0.0 0 0 0. 0 0 0.0 0 Escape to Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 8 7 1 5 while pressing
[RE-ZERO] + [8] [7] [1] [5] C A L 0 0 RE-ZERO.
Ensure no weight on platter, [*] - - - - - Calibrating zero point.
:
:
C A L S P
[T] 0.0 0 0 0. 0 0 0.0 0 Escape to Weighing mode.
17.4. Specification Setting
17.4.1. Specification Enter (141)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 1 4 1 while depressing
[RE-ZERO] + [1] [4] [1] XXXX XXXX S P E C 0 0 RE-ZERO.
[+] XXXX XXXX S P E C 0 1 + key only increase Specification.
[-] XXXX XXXX S P E C 0 0 - key only decrease Specification.
[8] XXXX 0 0 0 8 S P E C 0 0 (00 ~ 19 is enabled)
[X] XXXX XXXX S P E C 0 8 Goes to a designed Specification count.
[0] [1] [0] [1] XXXX 0 1 0 1 S P E C 0 8 Only 1 & 0 are valid Specification data.
[*] XXXX XXXX S P E C 0 9 * key to update Specification, increase
[1] [1] [0] [0] XXXX 1 1 0 0 S P E C 0 9 Specification count.
[C] XXXX 0 0 0 0 S P E C 0 9 Clears entered data.
[-] 0 1 0 1 0 1 0 1 S P E C 0 8 SPEC08 has been updated.
[T] 0.0 0 0 0.0 0 0.0 0 Store SPECS to EEPROM & escape to
Weighing mode.
17.4.2. Specification Enter (142)
NOTE: It can work only when SPAN SWITCH is on (Enable).
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 0 0 0. 0 0 0.0 0 Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 1 4 2 while depressing
[RE-ZERO] + [1] [4] [2] XXXX XXXX S P E C 2 0 RE-ZERO.
[+] XXXX XXXX S P E C 2 1 + key only increase Specification.
[-] XXXX XXXX S P E C 2 0 - key only decrease Specification.
[2] [9] XXXX 0 0 2 9 S P E C 2 0 (20 ~ 47 is enabled)
[X] XXXX XXXX S P E C 2 9 Goes to a designed Specification count.
[0] [1] [0] [1] XXXX 0 1 0 1 S P E C 2 9 Only 1 & 0 are valid Specification data.
[*] XXXX XXXX S P E C 3 0 * key to update Specification, increase
[1] [1] [0] [0] XXXX 1 1 0 0 S P E C 3 0 Specification count.
[C] XXXX 0 0 0 0 S P E C 3 0 Clears entered data.
[-] 0 1 0 1 0 1 0 1 S P E C 2 9 SPEC29 has been updated.
[T] 0.0 0 0 0.0 0 0.0 0 Store SPECS to EEPROM & escape to
Weighing mode.
17.5. Internal Count & A/D Count Display
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 0 0 9 while depressing
[RE-ZERO] + [0] [0] [9] 5 1 8 9 9 2 0 RE-ZERO.
Weight and Unit Price column display A/D
Count, Total Price column Display Internal
Count.
[T] 0.0 0 0 0.0 0 0.0 0 T key to go back Weighing mode.
17.6. Tax Setting
(Available when SPEC21.BIT2 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 0 0 0.0 0 0.0 0
Weighing mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 9 9 9 while pressing
[RE-ZERO] + [9] [9] [9] t A 0.0 0 0.0 0 RE-ZERO.
[3] [0] [0] t A 0.0 0 3.0 0 Enter Tax Rate, e.g. 3.00%.
[RE-ZERO] r d 4 5 3.0 0 0.0 0 RE-ZERO to store specification.
[C] C U t O F 3.0 0 0.0 0 Depress ‘C’ to select Cut Off
[C] r d 4 5 3.0 0 0.0 0 Or Rounding.
[T] 0.0 0 0 0.0 0 0.0 0 Store Tax Rate to EEPROM & return to
Weighing mode.
17.7. Operational Specification List
For The Customer - (1 4 1)
SPEC NO. BIT 3 BIT 2 BIT 1 BIT 0
0
Auto Power-off function
0000 - Disable 0100 - 1 hour
0001 - 3 minute 0101 - 3 hours
0010 - 10 minutes 0110 ~ 1111 - Not used
0011 - 30 minutes
1
Buzzer
0 - On
1 - Off
Error alarm
0 - On
1 - Off
Weight sensitivity
00 - Low 10 - High Middle
01 - Middle 11 - High
2
Tare override
0 - Allow
1 - Inhibit
Unit price override
0 - Allow
1 - Inhibit
Zero unit price
override
0 - Allow
1 - Inhibit
3
Back-light function
*DS-782 only
00 - Auto 10 - Always off
01 - Always on 11 - Not used
Auto back-light interval
*DS-782 only
(Effective only if SPEC01.32 set to 00)
00 - 6s 10 - Not used
01 - 15s 11 - Not used
4
Currency conversion operation method
00 - Inhibit currency conversion operation
01 - Method 1
10 - Method 2
11 - Not used
5
Decimal point position on currency conversion rate
000 - 7th digit (0.XXXXXX) 100 - 3rd digit (XXXX.XX)
001 - 6th digit (X.XXXXX) 101 - 2nd digit (XXXXX.X)
010 - 5th digit (XX.XXXX) 110 - No decimal point (XXXXXX)
011 - 4th digit (XXX.XXX) 111 - Not used
6
RTS/CTS handshaking
of RS-232C
*RS type only
0 - On
1 - Off
Baud rate of RS-232C
*RS type only
000 - 1200 bps 100 - 19200 bps
001 - 2400 bps 101 - 38400 bps
010 - 4800 bps 110 - Not used
011 - 9600 bps 111 - Not used
7
Stop bit of RS-232C
*RS type only
0 - 1 bit
1 - 2 bit
Data length of
RS-232C
*RS type
only
0 - 7 bit
1 - 8 bit
Parity of RS-232C
*RS type only
00 - None 10 - Even
01 - Odd 11 - Not used
8
Interval of time out error of RS-232C
*RS type only
00 - 1 second 10 - 5 second
01 - 3 second 11 - 10 second
Transmission
condition of RS-232C
*RS type only
0 - Weight stable
1 - Unconditional
Additional parity code
in text of RS-232C
*RS type only
0 - No
1 - Yes
9
Tare Weight in text of
RS-232C
*RS type only
0 - No
1 - Yes
Unit Price in text of
RS-232C
*RS type only
0 - No
1 - Yes
Total Price Weight in
text of RS-232C
*RS type only
0 - No
1 - Yes
SPEC NO. BIT 3 BIT 2 BIT 1 BIT 0
10
Data transfer protocol of RS-232C
*RS type only
00000 - Inhibit data transfer
00001 - Type A (Standard stream)
00010 - Type W (Standard manual)
00011 - Type B (Standard command)
00100 - Type C (QUQA TRADING)
00101 - Type D (IBM, HUGIN)
00110 - Type E (ICL OLD)
00111 - Type F (ICL PORTUAGAL)
01000 - Type G (ICL ACTUAL)
01001 - Type H (CAS)
01010 - Type I (CAS PORTUAGAL)
01011 - Type J (NIXDORF)
01100 - Type K (NCR)
01101 - Type L (MONS)
01110 - Type M (Checkout-Dialog 02/04)
01111 - Type N (DATECS MP50/500)
10000 - Type O (NCI4000)
10001 - Type P (Checkout-Dialog 06)
10010 - Type Q (UNIWELL, ICL OLD OMRON)
10011 - Type R (ICL ACTUAL OMRON)
10100 - Type S (ICL CS500)
10101 - Type T (DTS)
10110 - Type U (SHARP UP-600/700, American Version)
10111 - Type V (NCI-ECR, Metrologic)
11000 - Type X (WTN) (sending key)
10111 ~ 11111 - Not used
11
Data transfer protocol
of RS-232C
BIT4 of Data transfer
protocol of RS-232C
12
Calculate and check
validity of CS, KW
(for Checkout-Dialog 06 only)
0 - No
1 - Yes
Key operation for tare
in Pos-Weigh-Mode
(for
Checkout-Dialog 02/04 and 06
only)
0 - Allow
1 - Inhibit
Number of status bytes
(for NCI-ECR only)
0 - 2 bytes
1 - 4 bytes
13 - 19
For Weight & Measure - (1 4 2)
NOTE: It can work only when the SPAN Switch is on (Enable)
SPEC NO. BIT 3 BIT 2 BIT 1 BIT 0
20
Version display when
power on
0 - Allow
1 - Inhibit
Selection of
segment-check style
0 - Fast
1 - Standard
Start range
00 - ±10% F.S. 10 - ±3% F.S.
01 - ±5% F.S. 11 - ±2% F.S.
21
Price Base
00 - $ / kg 10 - $ / lb
01 - $ / 100g 11 - $ /
1/4
lb
Re-zero range
00 - ±2% F.S. 10 - Not used
01 - ±3% F.S. 11 - Not used
22
Decimal point position on weight display
00 - No decimal point
01 - 2nd digit (0000.0)
10 - 3rd digit (000.00)
11 - 4th digit (00.000)
Decimal point position on unit and total price
display
00 - No decimal point for Unit & Total Price
01 - 2nd digit (0000.0) for Unit,
2nd digit (00000.0) for Total Price
10 - 3rd digit (000.00) for Unit,
3rd digit (0000.00) for Total Price
11 - Not used
23
Minimum display
00 - 1 10 - 5
01 - 2 11 - 10
Selection of resolution
00 - 1/3000 10 - 1/7500
01 - 1/6000 11 - Not used
24
Weight single interval
or multi-interval
0 - Single interval
1 - Multi-interval
Net / Gross
Multi-interval
0 - Gross
1 - Net
Negative weight display mask
00 - Minus gross > 9e
01 - Minus gross weight
10 ~ 11 - Not used
25
Rounding for total price
00 - Rounding 10 - Cut up
01 - Truncation 11 - Not used
Re-zero function
0 - Allow
1 - Inhibit
Fix function
0 - Allow
1 - Inhibit
26
Additional rounding for total price
000 - No additional rounding
001 - 1/4 rounding (25 step)
010 - Special rounding (5 step)
011 - 5 floor rounding (0-4 -> 0, 5-9 -> 5)
100 - Rounding for 1
st
digit
101 - Truncate 1
st
digit
110 - Cut up 1
st
digit
111 - Not used
Additional rounding
for kati display
0 - Allow
1 - Inhibit
SPEC NO. BIT 3 BIT 2 BIT 1 BIT 0
27
Manual tare
cancellation
0 - Allow
1 - Inhibit
Tare subtraction
0 - Allow
1 - Inhibit
Tare accumulation
0 - Allow
1 - Inhibit
Auto tare clear when
rezero
0 - Allow
1 - Inhibit
28
Digital tare
0 - Allow
1 - Inhibit
PLU tare / Preset tare
0 - Allow
1 - Inhibit
Accumulation when
tare
0 - Allow
1 - Inhibit
Zero tracking when
tare
0 - Allow
1 - Inhibit
29
Weight reset when tare
0 - Allow
1 - Inhibit
Tare auto clear
0 - Allow
1 - Inhibit
Unit price auto clear
0 - Allow
1 - Inhibit
Price Base auto clear
0 - Allow
(For UK)
1 - Inhibit
30
Auto clear condition
0 - >= Gross 21e
& >= Net 5e
1 - >=Net 1e & price
not 0
Tax
0 - Allow
1 - Inhibit
Change operation
Method
0 - Indirect (method B)
1 - Direct (method A)
WT data
synchronization (+ key
only)
0 - Allow
1 - Inhibit
31
Accumulation number
display
0 - Allow
1 - Inhibit
Accumulation
display style
0 - Standard (“total”)
1 - Japan (“Add”)
Price accumulation
without removing
weight
0 - Allow
1 - Inhibit
Price accumulation
without change weight
(for >= ±10e)
0 - Allow
1 - Inhibit
32
Exit from
accumulation mode
after 15 sec time out
0 - Allow
1 - Inhibit
Exit from
accumulation mode
when weight change
0 - Allow
1 - Inhibit
IR mode protected by
SPAN SW
0 - No
1 - Yes
Password setting
0 - Allow
1 - Inhibit
33
Non-weigh item
accumulation
0 - Allow
1 - Inhibit
Weight range of
Non-weigh item
0 - Always
1 - Net 0d
Weight stability condition
00 - Loose 10 - Tight
01 - Normal 11 - Stringent
34
Decimal point position on price display in
secondary currency
00 - No decimal point for Unit & Total Price
01 - 2nd digit (0000.0) for Unit,
2nd digit (00000.0) for Total Price
10 - 3rd digit (000.00) for Unit,
3rd digit (0000.00) for Total Price
11 - Not used
Rounding for currency conversion
00 - Rounding
01 - Truncation
10 - Cut up
11 - Not used
35
Exit from secondary
currency mode when
weight change (for >
±
2e)
0 - Allow
1 - Inhibit
Currency symbol for
secondary currency
0 - No symbol
1 - ‘EURO’
Indicator for
secondary currency
0 - Allow
1 - Inhibit
Inverse currency
conversion function
0 - Allow
1 - Inhibit
36
Accumulation
0 - Allow
1 - Inhibit
Subtraction
0 - Allow
1 - Inhibit
Multiplication
0 - Allow
1 - Inhibit
PLU function
0 - Allow
1 - Inhibit
37
Price Base change
key(100g/kg,
1/4
lb/lb)
0 - Allow
(For UK)
1 - Inhibit
Currency conversion
function
0 - Allow
1 - Inhibit
UNIT function
00 - Inhibit
01 - kg and lb conversion
10 - kg, decimal lb and kati conversion
(for HK)
11 - Not used
38
Change function
0 - Allow
1 - Inhibit
Display hold
0 - Allow
1 - Inhibit
Auto Zero function
0 - Allow
(for Japan)
1 - Inhibit
39
Weight range of data
output
*RS type only
0 - Always
1 - Over 20e
Permission of Weight
change or remove
check for data output
(for NCI-ECR only)
0 - Allow
1 - Inhibit
Weight change or
remove check of data
output
*RS type only
0 - Change
1 - Remove
40
Division for weight change check
0000 - 1e
0001 - 2e
0010 - 3e
0011 - 4e
0100 - 5e
0101 - 6e
0110 - 7e
0111 - 8e
*RS type only
1000 - 9e
1001 - 10e
1010 - 20e
1011 - 30e
1100 - 40e
1101 - 50e
1110 - 60e
1111 - 70e
SPEC NO. BIT 3 BIT 2 BIT 1 BIT 0
41 - 47
18. Operations In Weighing Mode
18.1. ON/OFF
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[ON/OFF] 8.8.8.8.8. 8.8.8.8.8. 8.8.8.8.8.8. Display for 1 seconds.
*Note1
Blank for 1 seconds.
8.8.8.8.8. 8.8.8.8.8. 8.8.8.8.8.8. Display for 1 seconds.
Blank for 1 seconds.
8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
Ready to operate 0.0 0 0 0.0 0 0.0 0 Weighing mode.
[ON/OFF] OFF.
* Note1: Power On Segment Check Style can be selected by setting SPEC20.2. In this example assume SPEC20.2 = 0.
18.2. Tare Subtraction
18.2.1. One Touch Tare Subtraction
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
0.0 3 0 0.0 0 0.0 0 Put tare (e.g 30 g) on platter.
[T] 0.0 0 0 0.0 0 0.0 0 Subtract the tare weight.
Remove the tare weight - 0.0 3 0 0.0 0 0.0 0
[T] 0.0 0 0 0.0 0 0.0 0 Clear the tare weight.
18.2.2. Digital Tare Subtraction
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[5] 0.0 0 0 0.0 5 0.0 0 Key in the tare weight (e.g 5g).
[T] - 0.0 0 5 0.0 0 0.0 0 Subtract the tare weight (Assume 15kg).
[T] 0.0 0 0 0.0 0 0.0 0 Clear the tare weight.
18.3. Plural Operation
18.3.1. Standard Version
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [0] [0] [0] 0.0 0 0 1 0.0 0 0.0 0 Enter unit price.
Put product on platter. 0.5 0 0 1 0.0 0 5.0 0
[+] t O t A L 1 5.0 0 Accumulation the data.
Remove product from platter. t O t A L 1 5.0 0
[1] [5] [0] [0] 0.0 0 0 1 5.0 0 0.0 0 Enter unit price.
[+] t O t A L 2 2 0.0 0 Fixed price accumulation.
[C] 0.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
[+] t O t A L 2 2 0.0 0 Enter accumulation mode.
[+] t O t A L 2 2 0.0 0 Nothing happen.
[*] 0.0 0 0 0.0 0 0.0 0 Clear current total & return to weighing mode.
18.3.2. Japan Type A Version
(When SPEC31.2 = 1 and SPEC31.3 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [0] [0] [0] 0.0 0 0 1 0.0 0 0.0 0 Enter unit price.
Put product on platter. 0.5 0 0 1 0.0 0 5.0 0
[+] A d d 1 ] 5.1 5 Accumulation the data(assume tax rate = 3%).
Remove product from platter. A d d 1 ] 5.1 5
[1] [5] [0] [0] 0.0 0 0 1 5.0 0 0.0 0 Enter unit price.
[+] A d d 2 ] 2 0.6 0 Fixed price accumulation.
[*] 0.0 0 0 0.0 0 0.0 0 Clear current total & return to weighing mode.
18.3.3. Japan Type B Version
(When SPEC31.2 = 1 and SPEC31.3 = 1)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [0] [0] [0] 0.0 0 0 1 0.0 0 0.0 0 Enter unit price.
Put product on platter. 0.5 0 0 1 0.0 0 5.0 0
[+] A d d 5.0 0 5.1 5 Accumulation the data (tax rate = 3%).
Remove product from platter. A d d 5.0 0 5.1 5
[1] [5] [0] [0] 0.0 0 0 1 5.0 0 0.0 0 Enter unit price.
[+] A d d 2 0.0 0 2 0.6 0 Fixed price accumulation.
[*] 0.0 0 0 0.0 0 0.0 0 Clear current total & return to weighing mode.
18.4. Multiplication Operation
18.4.1. Standard Version
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [2] [3] [4] 0.0 0 0 1 2.3 4 0.0 0 Enter unit price.
0.4 1 2 1 2.3 4 5.0 8 Put product on platter.
[+] t O t A L 1 5.0 8 Accumulation the data.
[5] [0] [0] 0.0 0 0 5.0 0 0.0 0 Enter unit price.
[x] P C S 0 5.0 0 0.0 0 Depress multiply key.
[2] [0] P C S 2 0 5.0 0 1 0 0.0 0 multiply the data by 20.
[+] t O t A L 2 1 1 0 5.0 8 Accumulation the data.
[*] 0.0 0 0 0.0 0 0.0 0 Clear current total & return to weighing mode.
18.4.2. Japan Type A Version
(When SPEC31.2 = 1 and SPEC31.3 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [2] [3] [4] 0.0 0 0 1 2.3 4 0.0 0 Enter unit price.
0.4 1 2 1 2.3 4 5.0 8 Put product on platter.
[+] A d d 1 ] 5.2 3 Accumulation the data (assume tax rate = 3%)
[5] [0] [0] 0.0 0 0 5.0 0 0.0 0 Enter unit price.
[x] 0 ] 5.0 0 0.0 0 Depress multiply key.
[2] [0] 2 0 ] 5.0 0 1 0 0.0 0 multiply the data by 20.
[+] A d d 2 1] 1 0 8.2 3 Accumulation the data.
[*] 0.0 0 0 0.0 0 0.0 0 Clear current total & return to weighing mode.
18.4.3. Japan Type B Version
(When SPEC31.2 = 1 and SPEC31.3 = 1)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [2] [3] [4] 0.0 0 0 1 2.3 4 0.0 0 Enter unit price.
0.4 1 2 1 2.3 4 5.0 8 Put product on platter
[+] A d d 5.0 8 5.2 3 Accumulation the data (assume tax rate = 3%)
[5] [0] [0] 0.0 0 0 5.0 0 0.0 0 Enter unit price.
[x] 0 ] 5.0 0 0.0 0 Depress multiply key
[2] [0] 2 0 ] 5.0 0 1 0 0.0 0 multiply the data by 20
[+] A d d 1 0 5.0 8 1 0 8.2 3 Accumulation the data
[*] 0.0 0 0 0.0 0 0.0 0 Clear current total & return to weighing mode.
18.5. AMT/TEND Key Operation
18.5.1. Method A (Direct entry method: SPEC30.1 = 1)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [2] [5] [0] 0.0 0 0 1 2.5 0 0.0 0 Enter unit price.
Put product on platter. 0.4 2 0 1 2.5 0 5.2 5
[+] t O t A L 1 5.2 5 Accumulation the data.
Remove product from platter. t O t A L 1 5.2 5
[6] [0] [0] 0.0 0 0 6.0 0 0.0 0 Enter the amount tendered.
[AMT/TEND] C H G 0.7 5 Compute change & clear current total.
[C] 0.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
[+] t O t A L 0 0.0 0 Check total data.
[C] 0.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
18.5.2. Method B (Indirect entry method: SPEC30.1 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [2] [5] [0] 0.0 0 0 1 2.5 0 0.0 0 Enter unit price.
Put product on platter. 0.4 2 0 1 2.5 0 5.2 5
[+] t O t A L 1 5.2 5 Accumulation the data.
Remove product from platter. t O t A L 1 5.2 5
[AMT/TEND] t n d 5.2 5 Prepare to compute change.
[6] [0] [0] t n d 6.0 0 Enter the amount tendered.
[*] C H G 0.7 5 Compute change & clear current total.
[C] 0.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
[+] t O t A L 0 0.0 0 Check total data.
[C] 0.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
18.6. Correction Of Past Sales Data
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
[1] [2] [3] [4] 0.0 0 0 1 2.3 4 0.0 0 Enter unit price.
Put product on platter. 2.0 0 0 1 2.3 4 2 4.6 8
[+] t O t A L 1 2 4.6 8 Accumulation the data.
Remove product from platter. t O t A L 1 2 4.6 8
[5] [0] [0] 0.0 0 0 5.0 0 0.0 0 Enter unit price.
[+] t O t A L 2 2 9.6 8 Accumulation the data .
[1] [2] [3] [4] 0.0 0 0 1 2.3 4 0.0 0 Enter unit price.
Put product on platter. 2.0 0 0 1 2.3 4 2 4.68
[-] C o r r 1 5.0 0 Perform past sale data correction.
[C] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
18.7. Price Base Change By 100g/kg Key
(Available when SPEC37.3 = 0)
1 - ZERO 2 - NET 3 - kg 4 - 100g 5 - MEMORY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 5 REMARKS
[1] [0] [0] 0.0 0 0 1.0 0 0.0 0 Key in unit price.
[100g/kg] 0.0 0 0 1.0 0 0.0 0 Change price base to $/100g.
Put product on platter. 1.0 0 0 1.0 0 1 0.0 0
[C] 1.0 0 0 0.0 0 0.0 0 C key clear unit price and price base.
[100g/kg] 1.0 0 0 0.0 0 0.0 0 Change price base to $/100g.
[2] [0] [0] 1.0 0 0 2.0 0 2 0.0 0 Key in unit price.
[100g/kg] 1.0 0 0 2.0 0 2.0 0 Change price base to $/kg.
Remove product, [C] 0.0 0 0 0.0 0 0.0 0
18.8. Auto Zero Operation
(Available when SPEC38.1 = 0)
1 - ZERO 2 - NET 3 – AUTOZERO 4 - MEMORY 5 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 5 REMARKS
0.0 0 0 0.0 0 0.0 0 Weighing mode.
Put 5g on platter. 0.0 0 5 0.0 0 0.0 0 Auto Zero function is ineffective.
[AUTO ZERO] 0.0 0 0 0.0 0 0.0 0 Auto Zero function is effective.
Add 20g on platter. 0.0 2 5 0.0 0 0.0 0 Exceed Auto Zero range (<5e).
Remove 20g from platter. 0.0 0 0 0.0 0 0.0 0
[AUTO ZERO] 0.0 0 5 0.0 0 0.0 0 Auto Zero function is cancelled.
18.9. kg and lb conversion by UNIT Key
(Available when SPEC37.10 = 01)
1 - ZERO 2 - NET 3 - $/kg 4 - $/lb 5 - MEMORY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 5 REMARKS
Put product on platter. 0.5 0 0 0.0 0 0.0 0 Weight in kg.
[2] [0] [0] 0.5 0 0 2.0 0 1.0 0 Key in unit price in $/kg.
Remove product, [C] 0.0 0 0 0.0 0 0.0 0
[UNIT] 0.0 0 0 0.0 0 0.0 0 Change to lb.
Put product on platter. 1.1 0 0 0.0 0 0.0 0 Weight in lb.
[2] [0] [0] 1.1 0 0 2.0 0 2.2 0 Key in unit price in $/lb.
[UNIT] 0.5 0 0 2.0 0 1.0 0 Change to kg.
Remove product, [C] 0.0 0 0 0.0 0 0.0 0
18.10. kg, decimal lb and kati conversion by UNIT Key
(Available when SPEC37.10 = 10)
1 - ZERO 2 - NET 3 - $/lb 4 - $/kati 5 - MEMORY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 5 REMARKS
Put product on platter. 0.5 0 0 0.0 0 0.0 0 Weight in kg.
[2] [0] [0] 0.5 0 0 2.0 0 1.0 0 Key in unit price in $/kg.
Remove product, [C] 0.0 0 0 0.0 0 0.0 0
[UNIT] 0. 0.0 0.0 0 0.0 0 Change to decimal lb.
Put product on platter. 1. 1.6 0.0 0 0.0 0 Weight in decimal lb.
[2] [0] [0] 1. 1.6 2.0 0 2.2 0 Key in unit price in $/lb.
Remove product, [C] 0.0 0 0 0.0 0 0.0 0
[UNIT] 0. 0.0 0.0 0 0.0 0 Change to kati.
Put product on platter. 0.1 3.2 0.0 0 0.0 0 Weight in kati.
[2] [0] [0] 0.1 3.2 2.0 0 1.6 5 Key in unit price in $/kati.
[UNIT] 0.5 0 0 2.0 0 1.0 0 Change to kg.
Remove product, [C] 0.0 0 0 0.0 0 0.0 0
18.11. Currency Conversion by EURO Key
(Available when SPEC37.2 = 0)
18.11.1. Currency Conversion Operation Method 1 (SPEC4.32 = 01)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
Put product on platter. 0.5 0 0 0.0 0 0.0 0
[2] [0] [0] 0.5 0 0 2.0 0 1.0 0 Key in unit price.
[EURO] E U R O 2.2 0 Display re-calculated total price in secondary
currency. Assume SPEC26.3 = 1, conversion
rate is 2.20.
[EURO] 0.5 0 0 2.0 0 1.0 0 Return to Weighing Mode.
18.11.2. Currency Conversion Operation Method 2 (SPEC4.32 = 10)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
Put product on platter. 0.5 0 0 0.0 0 0.0 0
[2] [0] [0] 0.5 0 0 2.0 0 1.0 0 Key in unit price.
[EURO] E U R O 4.4 0 2.2 0 Display re-calculated unit price & total price
in secondary currency. Assume SPEC26.3 =
1, conversion rate is 2.20.
[EURO] 0.5 0 0 2.0 0 1.0 0 Return to Weighing Mode.
19. Operations of Mode Set Key
19.1. Mode Change Using Mode Set Key
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2kg on the platter 2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P L U 0 C o d E Depress [M] key twice within 3 seconds, enter
PLU setting mode.
[M] P.S E t Preset key setting mode.
[M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
19.2. PLU Setting
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P L U 0 C o d E PLU setting mode.
[1] [0] P L U 1 0 C o d E Enter plu code.
*Note1
[*] P L U 0.0 0 U P Display current unit price in PLU.
[1] [5] [0] P L U 1.5 0 U P Enter unit price.
[*] P L U 0.0 0 0 t A r E Display current tare in PLU.
*Note2
[1] [0] [0] P L U 0.1 0 0 t A r E Enter tare.
*Note2
[*] P L U 0 C o d E Store PLU.
[M] [M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
[1] [0] [CODE] 1.9 0 0 1.5 0 2.8 5 Call up PLU.
[C] 2.0 0 0 0.0 0 0.0 0 Clear PLU.
*Note1: Valid code number is 1 - 99.
*Note2: When PLU tare is allowed by SPEC28.2 = 0.
19.3. Preset Key Setting
19.3.1. Preset Key Setting when PLU function is allowed.
(When SPEC36.0 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P L U 0 C o d E PLU setting mode.
[M] P.S E t Preset key setting mode.
[PRESET 1] P.S E t P L U 2 0 Display current PLU code in PRESET.
[C] P.S E t 0 Clear PRESET.
[1] [0] P.S E t 1 0 Enter PLU code.
[*] P.S E t Store PRE SE T.
[M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
[PRESET 1] 1.9 0 0 1.5 0 2.8 5 Call up PLU set in PRESET 1.
[C] 2.0 0 0 0.0 0 0.0 0 Clear PLU.
19.3.2. Preset Key Setting when PLU function is inhibited.
(When SPEC36.0 = 1)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P.S E t 0.0 0 Preset key setting mode.
[1] [5] [0] P.S E t 1.5 0 Enter unit price.
[PRESET 1] P.S E t 0.0 0 Store unit price to PRESET1.
[T] P.S E t 0.0 0 0 t A r E Change to set tare mode.
*Note1
[1] [0] [0] P.S E t 0.1 0 0 t A r E Enter tare.
*Note1
[PRESET 2] P.S E t 0.0 0 Store tare to PRESET2.
*Note1
[M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
[PRESET 2] 1.9 0 0 0.0 0 0.0 0 Call up tare set in PRESET 2.
[PRESET 1] 1.9 0 0 1.5 0 2.8 5 Call up unit price set in PRESET 1.
[C] 1.9 0 0 0.0 0 0.0 0 Clear unit price.
Remove product from platter - 0.1 0 0 0.0 0 0.0 0
[T] 0.0 0 0 0.0 0 0.0 0 Clear tare.
*Note1: When Preset tare is allowed by SPEC28.2 = 0.
19.4. Conversion Rate Setting
(Available when SPEC37.2 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P L U 0 C o d E PLU setting mode.
[M] P.S E t Preset key setting mode.
[M] E U R O r A t E 0 Enter into conversion rate setting mode.
[2] [2] [0] E U R O r A t E 2. 2 0 Set conversion rate to 2.20.
[M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
19.5. Invert Currency Conversion Function
(Available when SPEC37.2 = 0 and SPEC35.0 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P L U 0 C o d E PLU setting mode.
[M] P.S E t Preset key setting mode.
[M] E U R O R A t E 0 Enter into conversion rate setting mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 2 0 0 1 while pressing RE-ZERO.
[RE-ZERO] + [2] [0] [0] [1] E U R O InvErt EURO conversion function is inverted.
[M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
*Note: When Invert Currency Conversion Function operation is performed, following change will be made internally:
1) The data set in SPEC22.10 and SPEC34.32 is exchanged.
2) Set SPEC35.2 = 0; SPEC35.1 = 0; SPEC35.0 = 1.
19.6. Cancel Currency Conversion Function
(Available when SPEC37.2 = 0)
1 - ZERO 2 - NET 3 - MEMORY 4 - BATTERY
OPERATION WEIGHT U.PRICE T.PRICE 1 2 3 4 REMARKS
2.0 0 0 0.0 0 0.0 0 Weighing mode.
[M] [M] P L U 0 C o d E PLU setting mode.
[M] P.S E t Preset key setting mode.
[M] E U R O RA t E 0 Enter into conversion rate setting mode.
[RE-ZERO] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 2 0 0 2 while pressing RE-ZERO.
[RE-ZERO] + [2] [0] [0] [2] E U R O CAnCEL EURO conversion function is cancelled.
[M] 2.0 0 0 0.0 0 0.0 0 Return to Weighing mode.
*Note: When Cancel Currency Conversion Function operation is performed, SPEC37.2 is set to 1 internally:
20. RS-232C Interface
20.1. Specification
Baud Rate : 1200 / 2400 / 4800 / 9600 / 19200 / 38400 BPS.
Start Bit : 1 Bit.
Stop Bit : 1 / 2 Bit.
Date Bit : 7 / 8 Bits.
Parity Bit : Even / Odd / None.
20.2. Pin Assignment
DS-781 PC SIDE
CN6(5pins) DIN 9 pins
1 RXD 2 RXD TXD
RXD
GND
2 RTS 7 RTS
3 TXD 3 TXD
4 CTS 8 CTS
5 GND 5 GND
*Note: RTS/CTS handshaking function is effective only when SPEC3.3 = 0.
20.3. Control Code and Characters
Termination Code CR The end of data 0x0d
LF The end of Text 0x0a
Date
‘0’ ~ ‘9’ Numeric date 0x30 ~ 0x39
‘-‘ (Minus) Minus sign 0x2d
‘.’ (Decimal) Decimal 0x2e
‘ ’(Space) Data error or empty 0x20
OF Overflow 0x4f 0x46
UF Underflow 0x55 0x46
Header Code
‘0’ Net Weight 0x30
‘4’ Tare Weight 0x34
‘U’ Unit Price 0x55
‘T’ Total Price 0x54
ENQ Enquiry 0x05
Command ACK Acknowledge 0x06
NAK Not Acknowledge 0x15
20.4. Data Format
A) Without additional parity (Total 37 Bytes )
Status
Flag
Weight Condition
Flag
CR Header
Code
Net
Weight
CR Header
Code
Tare
Weight
1 Byte 1 Byte 1 Byte 1 Byte 6 Bytes 1 Byte 1 Byte 6 Bytes
CR Header
Code
Unit
Price
CR Header
Code
Total
Price
CR LF
1 Byte 1 Byte 6 Bytes 1 Byte 1 Byte 7 Bytes 1 Byte 1 Byte
B) With additional parity (Total 38 Bytes )
Status
Flag
Weight Condition
Flag
CR Header
Code
Net
Weight
CR Header
Code
Tare
Weight
1 Byte 1 Byte 1 Byte 1 Byte 6 Bytes 1 Byte Byte 6 Bytes
CR Header
Code
Unit
Price
CR Header
Code
Total
Price
CR Additional
Parity
LF
1 Byte 1 Byte 6 Bytes 1 Byte 1 Byte 7 Bytes 1 Byte 1 Byte 1 Byte
*Note: If the additional parity is 0x0d, 0x0a or 0x00, it will be changed to 0x1d, 0x1a or 0x10 respectively.
Status Flag:
Not
Used
Fixed
to 1
Not
used
Price
Base
Price
Base
Total Price
Overflow
Net Additional
Parity
Bit 7 : Not used. Always 0;.
Bit 6 : Fixed to 1.
Bit 5 : Not used.
Bit 4 and Bit 3 : Price Base. 00 - $/kg, 01 - $/100g, 10 - $/1b, 11 - $/1/41b.
Bit 2 : Total Price Overflow. Set to 1 when total price overflow, 0 when not.
Bit 1 : Net. Set to 1 When tare subtraction is performed, 0 when not.
Bit 0 : Additional parity flag. Set to 1 when additional parity code is added in text, 0 when not.
Weight Condition Flag:
Not
Used
Fixed
to 1
Not
used
Weight
UF
Weight
OF
Negative
Net Weight
Weight
Stable
Zero
Sign
Bit 7 : Not used. Always set 0.
Bit 6 : Fixed to 1.
Bit 5 : Not used.
Bit 4 : Weight UF. Set to 1 when weight underflow, 0 when not.
Bit 3 : Weight OF. Set to 1 when weight overflow, 0 when not.
Bit 2 : Negative Net Weight. Set to 1 when net weight is negative, 0 when not.
Bit 1 : Weight Stable. Set to 1 when weight is stable. 0 when not.
Bit 0 : Zero Sign. Set to 1 when weight zero sign is set. 0 when not.
Example1: Transmit all data.
Net weight = 3.456 Tare weight = 1.200 Unit Price = 1.500 ( $/kg)
Total Price = 5.184 Weight status : stable
Status Flag: 0x42
0 1 0 0 0 0 1 0
Weight Condition Flag: 0x42
0 1 0 0 0 0 1 0
By ASCII Code:
0x42 0x42 0x0d 0x30 0x30 0x33 0x2e 0x34 0x35 0x36 0x0d
0x34 0x30 0x31 0x2e 0x32 0x30 0x30 0x0d
0x55 0x30 0x31 0x2e 0x35 0x30 0x30 0x0d
0x54 0x30 0x30 0x35 0x2e 0x31 0x38 0x34 0x0d 0x0a
Example2: Only transmit Net weight and Total Price.
0x42 0x42 0x0d 0x30 0x30 0x33 0x2e 0x34 0x35 0x36 0x0d
0x54 0x30 0x30 0x35 0x2e 0x31 0x38 0x34 0x0d 0x0a
Example3: When weight is overflow, the following data is output.
0x42 0x48 0x0d 0x30 0x20 0x20 0x20 0x20 0x4f 0x46 0x0d
0x34 0x30 0x31 0x2e 0x32 0x30 0x30 0x0d
0x55 0x30 0x31 0x2e 0x35 0x30 0x30 0x0d
0x54 0x20 0x20 0x20 0x20 0x20 0x20 0x20 0x0d 0x0a
20.5 Communication Method
The data communication method can be selected from Stream(continuous), Manual,
and Command by specification settings.
20.5.1 Type A (Standard Stream)
Data is transmitted to PC side continuously.
Note: Weight stable check depends on SPEC setting.
SCALEPC
Ready ?
Yes
No
[Text String]
PC SIDE SCALE
20.5.2 Type W (Standard Manual)
Data is output by pressing Manual key(+ key). User may select to transmit the data right away or
hold the command until weight become stable by specification setting.
Note: Weight stable check depends on SPEC setting.
Key Press
Ready ?
No
X Second ?
No
End Immediately
[ENQ]
[NAK]
Yes
No Responds
Normal End
PC SIDE SCALE
PC
Time Out (3 Sec)
SCALE
[ACK]
PC
[Text String]
[NAK]
20.5.3 Type B (Standard Command)
The data transmission starts by receiving the command from external (Ex. PC side).
*Note: Weight stable check depends on SPEC setting.
21. Error Massage List
The following error message will appear when an incorrect operation is performed.
Message Remarks Appropriate Operation
8 8 8 8 8 8
When scale is not steady when power on. Place scale on firm, flat base.
O F
When weight exceeds capacity+9d, or something is on the
platter when power on.
Remove the item on the platter.
U F
When negative weight exceeds display limit. REZERO or ON/OFF again.
TotAl
FULL
When current Total overflow. Clear current Total.
E r r o r
When error occurs in maintenance mode. Repeat operation.
E R R 01
When A/D error. Contact dealer.
E R R 02
When data flash erase error. Contact dealer.
E R R 03
When data flash program error. Contact dealer.
PC
Weighing Mode ?
Yes
No
Ready ?
X Second ?
No
NoYes
[ENQ]
[NAK]
Yes
[Text String}
Normal End
[NAK]
PC SIDE SCALE
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