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5. INSTRUCTION TO USE 

The W75 series are equipped with user friendly functions, including preset tare, manual tare, auto 
tare, automatic continuous tare, simple counting and memory plus functions. It also comes with 
interfaces including RS-232 and RS-485 for data output and 4 channel relay output for controlling 
purpose. (Optional) Furthermore, the gravity compensation in the internal function also allows user 
to calibrate the weighing result correctly without involving actual mass.  
Before start weighing: 
a. Make sure load cell cable is connected to indicator  
b. The scale is placed on a solid surface 
c. Use adjustable feet and referring to the bubble level to make sure scale is in a level position  
d. Power on the scale and wait for the counting down 
e. Scale is in zero weight status and display showing zero indicator and stable indicator  
f. If Zero indicator is not on, press 

ZERO

 to set the display to zero  

g. If zero weight status cannot be obtained, re-install the platter again 
h. If stable indicator is not on, check the environment and relocate the scale in a stable 

environment 

 

5.1

WEIGHING UNIT SELECTION 

Press 

MODE

 to switch between metric, imperial and piece counting mode.  

 

5.2

TARE FUNCTION SETTING  

This indicator equips with auto tare, continuous tare (please refer to 

F9

 of internal setting) and 

manual tare.  
a. If auto tare function is enabled, the first weight being placed on platter will be automatically 

tared  

b. If continuous tare function is enabled, each weight being placed on platter will be automatically 

tared 

c. If manual tare is needed, place the load/container on the platter first and press 

TARE

 to tare off 

the weight. After weight is tared, 

NET

 indicator will appear indicating the weight showing on 

display is net weight 

d. If preset tare is needed, press and hold 

TARE

 and display will show 

PrE.Tr

 and enter preset tare 

value setup 

e. Use 

TARE

 to shift the flashing cursor and

 ZERO 

for increment to adjust the preset tare value 

f. When desire value is entered, press 

MODE

 to confirm and save the change 

g. Scale will exit the function and return to normal weighing mode while 

NET

 indicator and 

PT 

indicator appears 

h. The 

ZERO

 indicator points out the negative value shown means the platter is at zero weight 

status 

i.

When the goods is placed on the platter with a positive value shown, this indicates the actual 
weight of the goods 
 

How To Clear Tare Function (auto tare, automatic continuous tare, manual tare, preset tare) 
a. To clear auto tare, remove the initial weight/load from the platter and 

NET

 indicator will turn 

off. Press 

ZERO

 to return to zero weight status if 

ZERO

 indicator does not appear 

b. To clear continuous tare, remove all loads from platter and 

NET

 indicator will switch off. Press 

ZERO

 to return to zero weight status if 

ZERO

 indicator does not appear 

c. To clear manual tare, remove everything from platter and press 

TARE

, the 

NET

 indicator will 

turn off. Press 

ZERO

 to return to zero weight status if 

ZERO

 indicator does not appear 

Summary of Contents for W75 Series

Page 1: ...W75 Series Digital Weighing Scale Operation Manual Universal Weight Electronics January 2018 V1 X0W75030000 ...

Page 2: ...CONTENT 1 BEFORE USE FOR THE FIRST TIME 2 INTRODUCTION 3 PANEL AND KEYBOARD 4 INTERNAL FUNCTIONS 5 INSTRUCTION TO USE 6 DAILY CARE AND MAINTENANCE APPENDIX ERROR CODES COMPUTER COMMAND DISPLAY SEGMENT DEFINITION ...

Page 3: ...il the charging indicator turns green to ensure the best battery performance Always use factory supplied power adaptor for charging purpose an unapproved power adaptor may shorten the battery life and further damages the electronic components Warm up the scale for 15 minutes before use for the first time Make sure the capacity and division setup on the display when switching on is the same as the ...

Page 4: ...pe Δ Σ Delta Sigma 24 bits A D Internal Resolution 1 000 000 Counts A D Conversion Rate 10 times second External Resolution Legal Approved 1 10000 Non approved 1 30000 Recommended Power on Zero Range 10 of Max Zero Range 2 of Max Tare Range Full Range Tare Weighing Units Kg g lb PCS Power Source External AC Adaptor AC100 240V DC9V 0 6A Built in Rechargeable Battery W75 W75 6V 4Ah Operating Environ...

Page 5: ... at its equilibrium status 5 WEIGHING UNIT This indicates the weight unit which the scale is currently measuring A metric unit of kg or g can be set An imperial unit of lb can be set 6 PIECE COUNTING FUNCTION This sign appears when scale is in piece counting mode 7 PRESET TARE INDICATOR This sign appears when a preset tare value is entered and engaged 8 W1 This indicates the scale is set with dual...

Page 6: ...ower is supplied and charging is in process Green light indicates charging completed KEYBOARD Press this key to turn on the scale or press and hold this key to turn off the scale 1 1 Press this key to manually set the display value to zero please refer to specification for manual zero range 2 Press this key to increase the value under internal setup mode 1 1 Press this key to tare the weight off f...

Page 7: ...t Open F 2 1 LCD segment check and software version information 2 Adjusting backlight brightness Open F 3 Scale configuration setup Dealer only when LOCKED F 4 Auto power off Dealer only when LOCKED F 5 Transmission protocol for RS 232 RS 485 Open F 6 1 Digital motion filter 2 Animal weighing Open F 7 transmission mode data format for RS 232 RS 485 Open F 9 Auto tare Open F 16 Turning on off real ...

Page 8: ...ion properly Press ZERO to adjust the backlight brightness There are five settings press MODE to confirm setting Backlight brightness also has 5 level selections for optimal viewing Auto Power Off F4 Under this function user can select auto power off timing among 5 minutes 10 minutes 15 minutes and 20 minutes or disable the function There are 5 settings the numerical digit means the minutes to pow...

Page 9: ...manually pressing keypad press M to send one data press MC to clear memory and send total value When format is set at Ser 1 Press M to send single data as Ser 1 ForMt and will not print total value ST NT 100 01kg ST NT 100 01kg When format is set at Ser 2 Press M to send single data press MC to send total value as Ser 2 format S N WEIGHT UT 1 100 02 kg press M to print single data 2 99 01 kg 3 121...

Page 10: ...r 2 format S N WEIGHT UT 1 100 02 kg automatically send one weighing result when display stables 2 99 01 kg 3 1210 05kg 4 10 12 kg Sum 9876 10kg print total result when MC is pressed When Real Time Clock function is enabled When indicator is set at rtC on date and time information will be included in the RS 232 data stream When F7 is set at Ser 1 2015 04 25 10 30 21 ST NT 100 01kg 2015 04 25 10 30...

Page 11: ...ARE to change flashing digit and press MODE to confirm and entering the next setting d Display shows d XX press ZERO for increasing and TARE to change flashing digit and press MODE to confirm and entering the next setting e Display shows H XX press ZERO for increasing and TARE to change flashing digit and press MODE to confirm and entering the next setting f Display show M XX press ZERO for increa...

Page 12: ...n platter will be automatically tared b If continuous tare function is enabled each weight being placed on platter will be automatically tared c If manual tare is needed place the load container on the platter first and press TARE to tare off the weight After weight is tared NET indicator will appear indicating the weight showing on display is net weight d If preset tare is needed press and hold T...

Page 13: ...eturn to the previous screen How To Clear Weighing Result From Memory Follow the below steps to clear saved data from memory after all transactions completed a Press MR first to recall the total saved result from memory the MR indicator will appear b Press MC immediately to clear the memory and M indicator will off indicating there is no data in the memory 5 4 PIECE COUNTING FUNCTION This indicato...

Page 14: ...ting digits Press MODE to confirm and entering low limit setting d Display shows LoW press ZERO for value increment and TARE for shifting digits Press MODE again to confirm and entering alarm setting e Display shows bEEP first and then showing bb no press ZERO for options bb Go bb H L bb Hi and bb Lo Display Description bb no No alarm for any weighing result bb Go Alarm activates when weighing res...

Page 15: ... sub 9 pin female connector Refer to F5 and F7 in Internal Function to setup transmission protocol Indicator end Pin 7 8 Shorted internally Pin Assignment PC end Pin Assignment 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 NC ...

Page 16: ...5 7 HOW TO CONNECT RS 485 D sub 9 pin male connector Pin Assignment 1 A 2 B 3 4 5 6 7 8 9 NOTE when connect with multiple devices parallel a 120ohm resistor in the last device ...

Page 17: ... level indicator starts flashing to avoid permanent damage to the rechargeable battery Do not put anything on the platter after weighing completes to avoid causing damage to the load cell If cleaning is needed use damp cloth to clean the surface If cleaning agent is needed please use mild detergent and avoid excessive water Do not use any chemical or alcohol for cleaning purpose If you are uncerta...

Page 18: ...mory accessing error Change MCU contact dealer for assistance Err 1 A D accessing error Check A D contact dealer for assistance Err 2 Load cell wiring error Check load cell wiring pin assignment No load cell signal load cell reading error Check load cell and connection ...

Page 19: ... Indicator executing zero command 3 PC TARE command T A R E CR LF 54H 41H 52H 45H 0DH 0AH Indicator executing tare command 4 PC NTGS command N T G S CR LF 4EH 54H 47H 53H 0DH 0AH Indicator executing net weight gross weight switching 5 PC MODE command M O D E CR LF 4DH 4FH 44H 45H 0DH 0AH Indicator executing weighing mode switching Data Format Ser 1 strictly only weighing result such as ST NT 100 0...

Page 20: ...ess M to print single data 2 99 01 kg 3 1210 05 kg 4 10 12 kg Sum 9876 10 kg press MC to print total value NOTE weighing unit on print result reflects the weighing unit been engaged in operation 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 16 1 7 1 8 1 9 S N W E I G H T U T CR LF 1 1 0 0 0 2 k g G 2 9 9 0 1 k g L 3 1 2 1 0 0 5 k g H 4 1 0 1 2 k g ...

Page 21: ...DISPLAY SEGMENT DEFINITION ...

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