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A&D HV-200KGL-WP, Instruction Manual

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A&D HV-200KGL-WP Instruction Manual Download Page 63

HVG-WP Series 

Page 61 

An example of connection 

The polarities (A,B) of the 
host computer signal 
depends on the computer 
model.

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

17.3.2.

 

Communication Format 

 

  Commands consist of an address and the same command as for the RS-232C. 
  Commands return the same command when there is no data transmitted.  
  If the address is 23, the replay is as follows: 

 

 Normal 

response 

 

 
 
 
 

 

Response of impossible command 

 
 
 
 
 

 

Undefined command response 

 
 
 

Bit format 

 
 
 
 
 
 
 
 
 
Command List 

Summary of Contents for HV-200KGL-WP

Page 1: ...Waterproof Digital Platform Scale HV 60KGL WP HV 60KGV WP HV 200KGL WP HV 200KGV WP ADM HVG WP ...

Page 2: ...ubject to change without notice at any time to improve the product No part of this manual may be photocopied reproduced or translated into another language without the prior written consent of the A D Company Product specifications are subject to change without any obligation on the part of the manufacture ...

Page 3: ...f and Weighing 16 7 1 1 Type V or Type L with AC Adapter 16 7 1 2 Type L with Rechargeable batteries 17 Tare And Net Display 18 7 1 3 Manual Tare 18 7 1 4 Preset Tare 18 7 2 Weighing Range for the HVG WP series 19 7 3 Mode Key Changing Unit and Mode 20 8 Counting Mode 22 8 1 Storing a Unit Mass 22 8 2 Counting the number of articles 23 9 Percentage Mode 24 9 1 Storing a 100 Mass 24 9 2 Reading per...

Page 4: ...ble 44 15 1 The Procedure for Setting Parameters 44 15 2 Parameter List 45 16 RS 232C Serial Interface 48 16 1 Data Format 49 16 2 Stream Mode 51 16 2 1 Preparation and Performance Examples 51 16 3 Command mode 52 16 3 1 Command List 52 16 3 2 Example of Setting Parameters 55 17 Options 56 17 1 Extension cable OP 02 56 17 2 RS 232C Relay output Buzzer OP 03 57 17 2 1 Installing the OP 03 58 17 3 R...

Page 5: ... eliminate the interference FCC Federal Communications Commission in the U S A 1 1 2 Classification of protection provided by enclosures This equipment is designed to comply with the IP Code of IEC 529 The IP 65 code is explained as follows IP International Protection 6 Against ingress of solid foreign objects Dust tight No ingress of dust 5 Against ingress of water with harmful effects Protected ...

Page 6: ...ber of items The comparator function compares the display value with the upper limit value HI lower limit value LO and displays the result The result can be output if option OP 03 is installed The simple batch function or full dribble batch function can be used for batching to a target mass value The status of a weighing value can be output if option OP 03 or OP 04 is installed The outputs are zer...

Page 7: ...n of accessories is according to the product Please confirm that AC adapter type is correct for your local voltage and receptacle type TB 300 AC Adapter 6mm allen wrench Instruction Manual Please conform that the Main power type or AC adapter type is correct for your local voltage and receptacle type Do not remove the rechargeable batteries from the indicator type L Products HV 60KGL WP HV 60KGV W...

Page 8: ...L WP HV 200KGL WP TB 300 AC adapter 6mm Allen wrench Instruction manual Warranty card Options List Order code or option name Accessories OP 02 5m extension loadcell cable Tapping screw M4x10 OP 03 RS 232C interface Relay output Buzzer Connector JA TCP0586 OP 04 RS 422 485 interface with relay output Connector TM BLA9 AC adapter OP 13 Roller conveyor for HV 200KGV WP OP 14 Roller conveyor for HV 60...

Page 9: ...ectricity or where the relative humidity is lower than 45 RH Plastic and isolators are apt to be charged with static electricity Do not use an unstable power source 4 2 Precautions for Operating the Scale Periodically ensure that the weighing value is correct Calibrate the scale before using and after moving it to another location Do not place anything on the weighing pan which is heavier than the...

Page 10: ...fix the column to the bracket using two 6mm Allen screws Step 5 Select the place for installing the scale Also consider 4 Caution on page 7 Step 6 Adjust the level of the base unit by using the Bubble spirit level and Leveling foot Step 7 Ground the scale using the earth terminal Caution Please confirm that the local voltage and the receptacle type are correct for your scale Step 8 Adjust the angl...

Page 11: ...pter from the Power Jack Type L Step 2 Open the rear cover of indicator unit Disconnect the loadcell cable connector gently perpendicularly do not pull to the side Step 3 Remove the ferrite core and cable clamp from the loadcell cable Step 4 Loosen the knobs to remove the indicator unit Step 5 Remove four 6mm screws from the bottom of the column Step 6 Carefully remove the cable from the pole and ...

Page 12: ... the cable to the rear cover using the cable clamp Step 10 Connect the cable to the connnector Close the rear cover Step 11 Confirm the accuracy of the scale 6 Names Loadcell cable Cable clamp Ferrite core Wind up 2 times Screw and O ring Connector Base Unit Display Unit Knob for angle adjstment Pole Pan Weighing Pan Leveling Foot ...

Page 13: ...ET ZERO HI OK LO Max 15 30 60kg d 5 10 20g CAP Bubble spirit level Leveling foot OK NG Weighing condition Display Units Weighing data Indicator of function Keys Knob for angle adjustment Load cell cable Inside of rear panel Rear of Indicator Unit LCD Cable clamp for adapter Rechargeable batteries pack Cable clamp for option Earth terminal RS 232C DIN connector Please Confirm that the local voltage...

Page 14: ...zero band Blinking The start or end of the full dribble batch process above the zero band A A A A A A The comparator indicator Using the comparator function and comparing a weighing value with the upper and lower limits the result is indicated Using the full dribble batch function the full flow gate indicator is OK the dribble flow gate indicator is HI and the zero band indicator is LO A A A A A A...

Page 15: ...tem key Selecting the parameter of an item ENTER key Storing new parameters A A A A A Example Preset tare Entering tare with digital input key Selecting a figure key Selecting a number ENTER key Storing a new tare A A A A Fixed value Example Hold display The hold display is set using f12 of the function table When the value is nearly zero or changes more than 25 30 digits the hold is canceled A A ...

Page 16: ...value A A Comparator function display is a lower limit Full dribble batch function the display is the zero band A A CAP MAX 15 30 60kg d 5 10 20g Description of the weighing unit weighing range and measurable minimum mass A A 6 2 Keys Display and Symbols Meaning A Display ON OFF key Note Standby status when power is connected A A A Zero key When there is nothing on the weighing pan and the ZERO ke...

Page 17: ...key For the preset tare and selecting a calibration mass it is used to select a figure A A A A A A A A Mode key Changing the current unit While setting modes this key is used for storing a parameter and proceeding to the next step A A A A F key Full dribble batch function it is used to finish the process Refer to f10 Hold key Refer to f12 Setting a preset tare selects polarity A A A A A Used to en...

Page 18: ...pan gently Step 8 Wait for the stability mark to be displayed Read the weight Step 9 Remove the article from the weighing pan Step 10 Turn the scale off using the ON OFF key Memo With the power cord connected type V is in standby status after the scale is turned off using the ON OFF key To shut down the power completely disconnect the power cord With the AC adapter connected the power is off at th...

Page 19: ...p 5 Turn on the scale using the ON OFF key Step 6 Check the accuracy of weighing Allow 30 minutes warming up before calibration Step 7 With nothing on the pan press the ZERO key to display zero Step 8 Place an article on the weighing pan gently Step 9 Wait for the stability mark to be displayed Read the weight Step 10 Remove the article from the weighing pan Step 11 Turn the scale off using the ON...

Page 20: ...nd to read its net display Step 4 Once weighing with tare is complete remove all items from pan and press ZERO key to return to true zero 7 1 4 Preset Tare Step 1 Press and hold the SET key and press the TARE key The blank or stored tare value is displayed A blank display means that the tare value is zero reset value and or blinks Step 2 Set the preset tare value by using the following keys key Ad...

Page 21: ...point mark is displayed it changes to the minimum range automatically Press the ZERO key to change to the minimum range when there is nothing on the weighing pan and the zero point mark is not displayed due to net display or zero error A A A A A A A A A F2 1 Manual range Press the RANGE key to expand the range Press the RANGE key to change to the minimum range when there is nothing on the weighing...

Page 22: ...Page 20 HVG WP Series 7 3 Mode Key Changing Unit and Mode Pressing the MODE key the display changes as follows Refer to function table f3 for units Usable units are according to the factory settings ...

Page 23: ...re stored in the same memory Therefore the functions can not be used at the same time If you use each function it will be necessary to reselect the function from the function table and to set the parameters of HI OK and LO for each application Memory address Indicator and Output HI OK LO Upper Lower Comparator Function f6 0 7 Upper limit Lower limit Simple Batch Function f6 8 Final value Prelimina...

Page 24: ...the quantity of samples the greater the accuracy of the count 5pieces 10pieces 20pieces 50pieces 100pieces Step 4 Put a container item on the weighing pan Press the TARE key Step 5 Put in the number of samples as selected at step 3 Press the ENTER key to store the value after the stability mark is displayed Then the count is displayed Caution When the sample is too light and it is not possible to ...

Page 25: ...DE key to display the unit Step 2 Store the articles unit mass Refer to 8 1 Storing a Unit Mass Step 3 Place the container item only on the weighing pan Press the TARE key Step 5 Put articles in the container item and read the count Step 6 Remove all things from the weighing pan ...

Page 26: ...the mode that stores a 100 mass Step 3 With nothing on the weighing pan press the ZERO key to display zero Step 4 Place the 100 mass on the weighing pan gently Press the ENTER key to store the 100 mass after the stability mark is displayed Then the percentage is displayed Caution When the sample is too light and it is not possible to calculate a 100 mass the scale displays lo and returns to step 3...

Page 27: ...isplay the unit Step 2 Store the unit mass of the article Refer to 9 1 Storing a 100 Mass Step 3 If a container is needed place the tare item only on the weighing pan and press the TARE key Step 4 It is now possible to put something on the weighing pan and read the percentage ...

Page 28: ...Word Definition The near zero is within 4 digits from the zero point in the unit of kg The digit a unit of display is equivalent to the minimum measurable mass The zero point is the fundamental starting point to weigh anything Function table Meaning and purpose A f8 0 Accumulation function not used A f8 1 The scale accumulates the data if the F key is pressed when the display is a positive stable ...

Page 29: ...lly Use Packaging articles like a powder it is used for recording the bag number and total mass A A A 10 1 Preparation Setting Parameters Step 1 Turn off the display Press the ON OFF key while the ZERO key is pressed and held The function table is displayed Step 2 Press the ENTER key to repeately until F8 is displayed Step 3 Select a parameter for the accumulation function f8 1 f8 4 with the key S...

Page 30: ...cles using step 4 Step 6 Press the MODE key to display the number of articles and total mass with Example 2 This example accumulates the articles that were removed from the weighing pan The function parameter is set to f8 4 Step 1 Enter into the kg mode using the MODE key Put all articles on the weighing pan and press the TARE key Step 2 Press the MODE key to display Step 3 Press the ZERO key to r...

Page 31: ...nition The term near zero is within 4 digits from the zero point in the unit of kg The term digit a unit of display and is equivalent to the minimum measurable mass The term zero point is the fundamental starting point to weigh anything Function table Meaning and purpose A F6 0 Pressing the SET key activates the comparator which compares all values A A F6 1 The comparator is permanently activated ...

Page 32: ...The upper lower comparator function the simple batch function and the full dribble batch function can not be used at the same time because these parameters use common memory 11 1 Preparation Setting Parameters Step 1 Turn off the display Press the ON OFF key while the ZERO key is pressed and held F1 is displayed Step 2 Press the ENTER key repeatedly until F6 is displayed Step 3 Select a parameter ...

Page 33: ...sing the following keys key Adjusts the value of a figure key Selects a figure F key Selects polarity Step 9 Press the ENTER key to store the new parameter and display the blinking LO Step 10 Set the lower limit value by using the following keys key Adjusts the value of a figure key Selects a figure F key Selects polarity Step 11 Press the ENTER key to store the new parameters and return to the we...

Page 34: ...6 500kg to 7 000kg OK is displayed When the current value is greater than 7 000kg HI is displayed Example 2 This example is set as follows Function table f6 4 The comparator can be activated and deactivated by pressing the SET key which provides the weight display is stable Upper limit value HI 2 000kg Lower limit value LO 1 000kg Performance Pressing the SET key the comparison is performed after ...

Page 35: ...zero band Install option OP 03 or OP 04 to use the relay output of the full dribble batch function The functionality and performance of this function are as follows Zero band indicator LO relay output Preliminary value indicator OK relay output Final value indicator HI relay output A A A Gross Zero band ZerodetectionLevel ON Make OFF Break OFF Break A Net Final Preliminary OFF Break ON Make ON Mak...

Page 36: ...value where the tare value is not subtracted The term net is a measurement value with the tare value subtracted from the gross The term zero band is the zero detection level The term zero point is the fundamental starting point to weigh anything Comparator Function table Meaning and purpose A f6 9 Full dribble batch function A Full dribble batch sub function Function table Meaning and purpose A f1...

Page 37: ... repeatedly until F6 is displayed Step 3 Select a parameter setting F9 with the key Step 4 Press the ENTER key to store the new parameter and display F10 Step 5 Select a parameter of the full dribble batch sub function F10 0 3 with the key Step 6 Press the ENTER key to store the new parameter Step 7 Press the F key and the ENTER key to exit from the function table The scale returns to the weighing...

Page 38: ...reliminary value Step 11 Set the preliminary value using the following keys key Adjusts the value of the flashing of a figure key Selects a different flashing figure Step 12 Press the ENTER key to store the new parameter and display the blinking LO of zero band Step 13 Set a zero band which is greater than the tare value using the following keys key Adjusts the value of the flashing of a figure ke...

Page 39: ...3 or OP 04 to use the relay output of the comparison Install option OP 03 to use the buzzer output of the comparator Comparison Condition Gross Zero band LO is displayed and output Final Preliminary Net OK is displayed and output Final Net OK HI is displayed and output Parameter List and Word Definition The term gross is a total measurement value where the tare value is not subtracted The term net...

Page 40: ...ot be used at the same time because these parameters use common memory 13 1 Preparation Setting Parameters Step 1 Turn off the display Press the ON OFF key while the ZERO key is pressed and held F1 is displayed Step 2 Press the ENTER key repeatedly to display F6 Step 3 Select a parameter of 8 for the simple batch function with the key Step 4 Press the ENTER key to store the new parameter Step 5 Pr...

Page 41: ...key Adjusts the value of a figure key Selects a figure Step 10 Press the ENTER key to store the new parameter and display the blinking LO of zero band Step 11 Set the zero band using the following keys key Adjusts the value of a figure key Selects a figure Step 12 Press the ENTER key to store the new parameter and return to the weighing mode 13 2 Operation and Performance Examples Step 1 Select th...

Page 42: ...e is nothing on the pan Comment The zero point is the fundamental starting point to weigh anything and influences the performance of scale Span Calibration The function to adjust the span with a calibrated mass so the scale can accurately weigh anything within the weighing capacity Comment Span means the range of weighing capacity Use a calibration mass heavier than two thirds of the weighing capa...

Page 43: ... m s2 Paris 9 809 m s2 Chicago 9 803 m s2 Rio de Janeiro 9 788 m s2 Copenhagen 9 815 m s2 Rome 9 803 m s2 Cyprus 9 797 m s2 San Francisco 9 800 m s2 Djakarta 9 781 m s2 Singapore 9 781 m s2 Frankfurt 9 810 m s2 Stockholm 9 818 m s2 Glasgow 9 816 m s2 Sydney 9 797 m s2 Havana 9 788 m s2 Taiwan 9 788 m s2 Helsinki 9 819 m s2 Taipei 9 790 m s2 Kuwait 9 793 m s2 Tokyo 9 798 m s2 Lisbon 9 801 m s2 Vanc...

Page 44: ...celeration using the following keys key Selecting the number of a figure key Selecting a figure Step 4 Press the ENTER key to store the new value Step 5 Press the CAL key again Then the scale returns to the normal weighing mode 14 2 2 Preparation Step 6 Confirm the environmental conditions as follows Maintain a constant temperature and stable power Install the scale on a solid floor where there is...

Page 45: ...f zero point is finished To exit the calibration mode proceed to step 14 14 2 4 Span Calibration Step 11 Set the value of the calibration mass using the following keys This initial value depends on the scale mode key Selecting the figure to be changeed key Change the number of the figure Step 12 Place the mass on the pan which was set at step 11 Wait for the stability mark to be displayed Press th...

Page 46: ...he ON OFF key Step 2 Set parameters for each item using the following keys key Selecting the parameter of an item Selecting the number of a figure at f16 key Selecting a figure at f16 F key Proceeding to the end of the table without storing the parameter ENTER key Storing a parameter for the current item and proceeding to the next item Returning to normal mode from the end of the table Step 3 Pres...

Page 47: ... pressed Ａ f5 3 Auto print When the display becomes a positive stable value and not nearly zero the scale outputs the data automatically Next output can be performed after the display becomes nearly zero or a negative value Ａ Ａ Ａ Ａ f5 4 Auto print When the display becomes a stable value and not nearly zero the scale outputs the data automatically Next output can be performed after the display beco...

Page 48: ... at OK and HI Ａ f7 7 The buzzer sounds at LO OK and HI Ａ Buzzer f7 8 The buzzer sounds at finishing the full dribble batch process Ａ The condition of the accumulation function Ａ f8 0 Accumulation function not used A f8 1 The scale accumulates the data if the F key is pressed when the display becomes a positive stable value and not nearly zero The next accumulation can be performed after the displa...

Page 49: ... Address f11 1 f11 99 Use addresses from 01 to 99 are available Scales are assigned unique addresses and are controlled by the computer RS 232C should be set to 00 Ａ Ａ Ａ Select the method to hold the current weight value When the weight value becomes nearly zero or changes more than more than 25 30 digits hold display is canceled Ａ Ａ Ａ f12 0 Not used Ａ f12 1 The hold function is ON or OFF alternat...

Page 50: ... function table in advance There are option cables as follows AX KO577A RS 232C cable D sub 25 pin 2m AX KO1786 200 RS 232C cable D sub 9 pin 2m Transmission system EIA RS 232C Transmission Asynchronous bi directional half duplex Data format Baud rate 2400 4800 9600 bps Data 7 bits Parity 1 bit Even Start bit 1 bit Stop bit 1 bit Code ASCII Terminator CR LF CR 0Dh LF 0Ah Pin connections Pin No Sig...

Page 51: ...of range Over The weighing data consists of 9 characters including decimal point and polarity The polarity is always output There are three units The unit is 3 characters In case of out of range numbers become all 9 s The terminator is always output as CR LF Data in the unit of kg Counting mode Percentage mode Out of range Definition of symbols CR carriage return LF line feed 0Dh 0Ah Space 20h ...

Page 52: ...ts of 7 characters in the counting mode The polarity is always output There are three units The unit is 2 characters In case of out of range numbers become all 9 s The terminator is always output as CR LF Caution When the data is longer than 7 characters in the counting precentage mode or accumulation function the overflow is ignored Data in the unit of kg Counting mode Percentage mode Out of rang...

Page 53: ... Stable value Approximately 4 times s A 16 2 1 Preparation and Performance Examples Step 1 Turn off the display Press and hold the ZERO key and press the ON OFF key The function table is displayed Step 2 Press the ENTER key to display f4 Baud rate Select a parameter of Baud rate with the keys Step 3 Press the ENTER key to display f5 output mode Select Stream mode f5 0 with the keys Step 4 Press th...

Page 54: ... as the MODE key Template U Command Reply The scale changes mode and unit Zero The current mass value is set to the zero point This is the same as the ZERO key Template Z Command Reply The mass value becomes zero and the zero point mark is displayed Tare With a tare container placed the current mass value is set to zero and the net is displayed This is the same as the TARE key Template T Command R...

Page 55: ...A lower limit value is stored Template LO parameter Command Reply The lower limit value is stored Caution The lower limit value must be less than the upper limit value Accumulation data output The accumulated data is output Template A Command Reply Accumulation count output The number of accumulated data is output Template N Command Reply Reset of Accumulation data and number The data and number o...

Page 56: ...ored Template S0 parameter Command Reply The value is stored Preliminary value The preliminary value is stored Template S1 parameter Command Reply The value is stored Zero band The zero band is stored Template S2 parameter Command Reply The value is stored ...

Page 57: ...ep 2 Select a parameter for the baud rate f4 using the ENTER and keys Step 3 Select command mode f5 1 for the output using the ENTER and keys Step 4 Select format 1 f15 0 for the format using the ENTER and keys Step 5 Press the ENTER key to store the new parameters Return to the normal weighing mode using the ENTER key Step 6 When the computer transmits a command the scale replies ...

Page 58: ...This cable is used for installing the indicator away from the base unit This loadcell cable is 5m long Refer to 5 1 Removing Pole for the way to remove the pole Caution Calibrate the scale after connecting this cable Do not connect more than two extension cables ...

Page 59: ...do not use the relay output Pin connections Pin No Signal name Direction Description A 1 HI Output Relay output of HI A 2 RXD Input Receive data A 3 TXD Output Transmit data A 4 LO Output Relay output of LO A 5 SG Signal ground RS 232C A 6 OK Output Relay output of OK A 7 DSR Output Data set ready A 8 COM Relay common terminal A Adaptable connector DIN 8pin JA TCP0586 of accessory Circuits Relay S...

Page 60: ...t pairs of screws and O rings from the indicator unit Open the rear panel of the unit Step 3 Remove the standard interface board from the indicator unit Install the option board at the same position Step 4 Connect the cable to the J1 connector on the option board Step 5 Connect the DIN plug to the option board Step 6 Close and secure the rear panel using the screws and O rings removed at step 2 ...

Page 61: ...duplex Data format Baud rate 2400 4800 9600 bps Data 7 bits Parity 1 bit Even Start bit 1 bit Stop bit 1 bit Code ASCII Terminator CR LF CR 0Dh LF 0Ah Address 01 99 Address parameter f11 of the function table Relay Solid state relay Maximum voltage DC50V Maximum current DC100mA Maximum resistance 8 Ω Adaptable connector TM BLA9 of accessory Pin connections Pin No Signal name Direction Description ...

Page 62: ...gs from the indicator unit Open the rear panel of the unit Step 2 Remove the standard interface board from the indicator unit Install the option board at the same position Step 3 Connect the cable to the J3 connector on the option board Step 4 Wire the connector for J1 and connect it to the option board Step 5 Connect a cable from the transformer to the J2 connector Step 6 Set a interface type wit...

Page 63: ...r model 17 3 2 Communication Format Commands consist of an address and the same command as for the RS 232C Commands return the same command when there is no data transmitted If the address is 23 the replay is as follows Normal response Response of impossible command Undefined command response Bit format Command List ...

Page 64: ...s value becomes zero after placing a tare receptacle case etc and the net is displayed This is the same as the TARE key Template T Command Reply The current mass value becomes zero and the net mark is displayed Cancel of tare The display value becomes the gross and the net mark is turned off The tare value becomes zero Template CT Command Reply Gross is displayed and the net mark is turned off Pre...

Page 65: ...data is output Template N Command Reply Reset of Accumulation data and number The data and number of accumulations become zero Template CA Command Reply The data and number of accumulations become zero Final value The final value is stored Template S0 parameter Command Reply The value is stored Preliminary value The preliminary value is stored Template S1 parameter Command Reply The value is store...

Page 66: ...3 OP 14 OP 13 This option can be used with the following products HV 200KGV WP HV 200KGL WP HW 100KGV WP HW 100KL WP HW 200KGV WP HW 200KGL WP OP 14 This option can be used with the following products HV 60KGV WP HV 60KGL WP HW 60KGV WP HW 60KGL WP ...

Page 67: ... g 5 10 20 20 50 100 Linearity g 5 10 20 20 50 100 Span drift 20ppm C typ 5 C 35 C Power rating VFD 230V AC 10 15 50 60Hz 20VA Fuse T200mA or 120V AC 10 15 50 60Hz 20VA Fuse T315mA HVGL WP TB 300 AC adaptor is used to run the HVGL WP and also to re charge the built in battery The built in rechargeable battery will provide up to 50 hours use if fully charged 16hours Battery will trickle charge when...

Page 68: ...Page 66 HVG WP Series Dimensions 390 743 530 110 150 70 440 9 6 60 45 45 300 ...

Page 69: ...does not turn on Is the AC power cord properly connected Is the AC power the correct voltage A A A A The scale does not display zero upon power on Check around the weighing pan Is there anything on the weighing pan A A 888888 is displayed and does not proceed The weighing value is unstable due to drift vibration or other Check around the weighing pan Check the load cell cable connection A A A A is...

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