A22
Contents
1. below 5 3V 15 Operating temperature and humidity 0 40 C lt 90 RH 16 Storage temperature 25 55 C 1 Chapter 2 Display and keypad x 2 2 KEY FUNCTIONS ng m in weighi mode 2 2 2 in counting mode press this key to start to input the sample number 2 3 i 3 y A p N y NS N 2 3 1 A22 use 7 pin connector with 2 54mm pin distance to connect the load cell The configuration of each pin is described as below 2 3 2 Adopt 6 pin shield cable for long distance compensation function 2 3 3 A Indicator must be reliably connected to Load cell and shielded cable of load cell must be iS SS S T reliably connected to underground If indicator is powered on the user should not insert or withdraw the plug in order to protect the indicator and load cell 2 3 4 A Sensor and indicator are static sensitive devices you must adopt anti static measures The electric welding operation and other strong electric operation are prohibited In order to protect the operator indicator and relevant devices you should install lightning rod in the thunderstorm frequently happening area 7 pin connector configuration DB9M configuration of load cell red excitation V pin 1 black excitation V pin shield pin blue Output signal pin yellow Ex compensation pin 2 5 green Output signal pin 6 7 8 9 white Ex compensation pin Please note red pin and white pin black pin and yellow pin2. must be both short circuited if the long distance compensation function is not used otherwise the indicator will not be able to performed well Please refer to the indicator external sticker for any pin color modification 5 A Y he y d LC _ N N Chapter 3 Operation 3 1 POWER ON AND AUTO ZERO SETTING 3 1 1 The indicator will perform 999999 000000 to self check when turning on Then it will enter weighing mode 3 1 2 When power on if loading weight on the scale deviates from the zero point but still within zero set range the indicator will set zero automatically if out of range it is necessary to adjust the zero point or recalibrate or reset 3 2 MANUAL ZERO SETTING SEMI AUTO ZERO SETTING 3 2 1 In weighing mode when there is some error when unloaded press ZERO to make the indicator to be zero 3 2 2 If the displayed value deviates from zero point but still within zero range pressing ZERO key is available Otherwise ZERO key is invalid In this status please recalibrate or reset zero parameters 3 2 3 Only when stable annunciator is on zero operation can be available 3 3 TARE When Indicator at weighing status and displaying positive weight stable press TARE key indicator will deduct the displayed weight value as tare weight Then indicator displays net weight as 0 and Tare sign annunciator is on 3 4 COUNTING In weighing mode press FUNC to enter counting mode indicator wil
3. the indicator on Please ensure the weight on the scale is 0 when turning the indicator on 4 Err4 Single weight is below 0 25e when sampling in counting mode Please re input the sample number 5 UPDATA Inputted sample number is zero when sampling in counting mode Enter the counting mode after the UPDATA displayed for 1 second operate according to the previous sampling result do not input 0 as the sample number again e i i At Lo Low voltage for the battery please recharge 10 f APPENDIX I 1 Command format 02H Adr Command Nor V H_Nor V L 03H d communication address Bidirectional communication method initial character command character Nor Verify code H is half higher byte ASCII code L is half lower byte ASCII code terminate character 2 Calculation command character string 1 the communication address 1 24 of the indicator correspond with the capital letter A Z of in communication command sending e g 01 is set as the communication address then Adr A in communication command 2 XOR verify code calculation method 1 The data will get XOR character Nor V through Adr Command 2 Nor V H XOR character Nor V half higher byte 30H 3 Nor V L XOR character Nor V half lower byte 30H Command mode example e g send the zero setting command 0 30H to the indicator if the communication address is 1 confirm sending the command charac
4. XK3190 A22 DIGITAL WEIGHING INDICATOR USER MANUAL Version 2006 12 SHANGHAI YAOHUA WEIGHING SYSTEM CO e 7 D Chapter 1 Main Specification 1 Chapter 2 Display and keypad rrr 2 2 1 front back view and the interface part of the indicator 2 3 connect to load cell Chapter 3 Operation cip 6 3 1 power on and auto zero i 3 4 counting 3 5 accumulating function 3 5 parameter setup Chapter 4 Maintenance and safety instruction 9 Chapter 5 Error message s 10 Appendix ssaa 11 Appendix Il irreales 12 Dear users Please well read the user manual before use the indicator Chapter 1 Main specification di C e N N 1 Model Weighing Indicator XK3190 A22 2 Accuracy Grade III n 3000 3 A D conversion method A 9 4 Sampling speed 10 times second 5 Load cell sensitivity 1 5 3mV V 6 Nonlinearity lt 0 001 F S 7 Load Cell Excitation Voltage DC 5V 8 Full load temperature coefficient lt 2 5 PPM C 9 Division 1 2 5 10 20 50 optional 10 Maximum connection number of load cell 4 load cells at 3500 with long distance compensation 11 Keypad mild touch off keypad 5 function keys 12 Communication interface optional RS232C Baud rate 1200 2400 4800 9600 optional 13 Display 6 bits LED display 6 status indicating annunicator 14 Power supply rechargeable battery DC6V AAH bAt Lo will be showed as alarm when the voltage is
5. ay d 50 Display d 1 E g when show d 5 press key division was set to 5 and automatically to the decimal point setup status Display dc x press tare key to choose0 1 2 3 press key to confirm the indicator will automatically enter into the setup of next parameter press tare key to automatically step up Display dc 0 Display dc 0 0 Display dc 0 00 Display dc 0 000 Display dc 0 E g when show dc 0 000 press the decimal point was set by 0 000 then the indicator will automatically enter into the full capacity setup status 12 s SS x SS SS 2 Full capacity setup Display FULL press tare to enter into numeric inputting status Display 000000 press tare to move the signal right and select the numeric inputting position press zero key to automatically add 1 on the related position till you get your required number then press tare to move the e signal right to select the next numeric inputting position press zero key to automatically add 1 on the related position till you get the final full capacity Press to confirm it the indicator will automatically enter into the next parameter setup E g when show 02 50 0 0 press to confirm the indicator will automatically enter in to zero calibrate 3 Zero calibrate Display nOLOAD There is no weight onside the platform waiting for the stable signale coming and press the zero calibrate
6. cator can t be placed into the place where the vibration is serious 4 3 Load cell should connect with indicator reliably the system should be well connected into ground The indicator must be protected from high electrical field and high magnetic field and keep away from strong caustic flammable and explosive objects A Donotuse this device in an environment with flammable gas and steam Pressure vessel canned system is prohibited A The mounted lightning rod should be installed in order to assure the safety of the operator and avoid damage to the indicator and relevant devices in frequent thunderstorm environments A Load cell and indicator are electrostatic sensitive devices anti static measures must be performed during operation It is prohibited to perform electric welding and other strong electric field operations Reliable lightning protection measures should be performed to avoid damage to load cell and indicator and to assure the safety of the operator as well as the safe operation of the weighing device and other relevant devices 4 4 It is prohibited to clean the case of indicator with strong corrosive chemicals such as benzene and nitro oils 4 5 Do not pour liquid or other conducting particles into the indicator in order to avoid electric hazards or damage to the indicator 4 6 Power supply of the indicator and relevant devices must be turned off before plugging or unplugging the connecting line of indicator and peripheral
7. ccumulate function will only effect again after the displayed weight back to zero When the accumulated weight is displayed you can press FUNC to clear them in the memory press to return the weighing mode To check the accumulated weight of the memory keep the scale platform empty and press to display the accumulated weight 3 6 PARAMETER SETUP In weighing mode press FUNC to enter the user setting mode mode P it will display P SET there are 10 modes from PI to P10 press to select the mode and press TARE to select the parameter press to save and quit The parameter is described as following 1 PI X kg Lb switch x l Kg display x 2 Lb display 2 P2 x communication address x l 01 x 2 02 X DE x 23 23 x 24 24 3 P3 x baud rate setting x 9600 baud rate 9600bps x 4800 baud rate 4800bps x 2400 baud rate 2400bps x 1200 baud rate 1200bps please refer to appendix for bidirectional communication method 4 P4 X digital filter intensity x 1 highest x 2 higher x 3 high x 4 low x 5 lower x 6 lowest 5 PS x RS232 output mode option x 1 no transmission RS232 stop x 2 continuous transmission 7 x 3 continu nsmissi x 4 command mode backlight setting xX 0n di Chapter 4 Maintenance and safety instruction 4 1 To guarantee indicator clarity and using life the indicator shouldn t be placed directly under sunshine and should be set in the plain space 4 2 The indi
8. devices A Power supply of the indicator must be turned off before plugging or unplugging the connecting line of the load cell 4 7 Please note please check the indicator before any usage YAOHUA is only responsible for the indicator quality and any compensation will be within 2 times price of the indicator any systematic problem with the indicator will not be under YAOHUA s responsibility 4 8 Indicator interfaces should be connected strictly according to the user manual please do not connect in any inappropriate way When any trouble occurs please pull out the plug immediately and send to the professional factory for repair Non weighing instrument manufacturer please do not repair without permission in order to avoid a worse situation 4 9 From invoice date the indicator has a one year free repair period If any non artificially obstacle about the indicator happens under correct using conditions within this period the user is allowed to send the product with its guarantee card of the correct number back to our corporation for free repair 9 SS N Chapter 5 Error message Error message and measures for mis operation 1 Er AD value is too small when calibrating please select the load cell with proper capacity 2 Inputted weight data is 0 when full load calibrating in calibrating mode Please input the correct weight data of the weights on the platform 3 Zero position exceeds the setting range when turning
9. l display count press then it will display C00000 press TARE to select the triangle sign position Press ZERO key The triangle sign will increase 1 input the sample number and place the sample on the platform press after the stable annunicator on to enter the counting mode it will display 0 and the triangle sign correspond to the counting mode will be on Press to return the weighing mode The indicator will display count after entering the counting mode press twice it will display updata and directly enter the counting mode the indicator will calculate and display through the last sampling result During the process if ERR4 is showed then the sampling result is lt 0 25e sampling failed the indicator will save the last sampling result Or no sampling record is available last sampling result is 0 Press to quit the counting mode 3 5 ACCUMULATING FUNCTION In weighing mode when the displayed weight is positive and stable press to accumulate the current weight and display the accumulated weight if the accumulated weight is gt 999999 then the buzzer will alarm and display the last accumulated weight the accumulate annunicator will be on press to return the weighing mode the indicator will also automatically return to the weighing mode when accumulated weight displayed for 3 4 seconds accumulate sign will be off 6 y n Y N y NS N iS SS S VIN The a
10. ter string The communication address is 1 then the sending communication address command character is A 41H the XOR character is Nor V 41H 30H 71H Jl Nor V H 7H 30H 37H Nor V L 1H 30H 31H at this time so the final transmitting command character string is 00H 41H 30H 37H 31H 03H Zero setting command 30H 0 Tare command 0x54 T read Command 0x52 or 0x72 R or r 3 data returning format The data will be transmitted out in ASCII code when the instrument is in serial transmitting mode 9 bytes include decimal point for each data frame Data transmitting is from lower byte to higher byte 0 is positive sign 1 is negative sign as list separator between each data frame transmitting data content is same with the displayed content on the screen 11 Data returning format DATA sign weight data nr sign positio list separator e g the screen displays 31 900 then the indicator will continuously send 009 1300 009 1300 APPENDEX Il CALIBRATION Press when indicator start initialization It will enter into the calibration 1 Division setup Display d x Press tare key to choose1 2 5 10 20 50 for the division press to confirm and the indicator will automatically enter into the next parameters setup Press tare key to automatically step up Display d 1 Display d 2 Display d 5 Display d 10 Display d 20 Displ
11. was finished the indicator will enter into the load weight calibrate status 4 Load weight calibrate Display AdLOAD Put the weight onside the platform and press tare to enter into the inputting status Display 000000 press tare to move the e signal right and select the numeric inputting position press zero key to automatically add 1 on the related position till you get your required number then press tare to move the signal right to select the next numeric inputting position press zero key to automatically add 1 on the related position till you get the exact weight of what you have puton Press 4 to confirm it the indicator will automatically enter into the next parameter setup Display End 5 Press SPAN inside the calibration span indicator will save all the parameters and back to weighing mode 13
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