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4-3-4. Formula to plan the precise weighing system

This “SI 4300” weighing controller’s Max. input sensitivity is

0.2

㎶

/ Digit

And for precise weighing system, the following formula must be satisfied.

Caution

: “Input sensitivity” means Min. output voltage variation of weighing part to change 1digit.

So, please do not make large input voltage to make reliable weighing system.

≤

E B D

ⅹ ⅹ

0.2

㎶

Single Load cell use

≤

E B D

ⅹ ⅹ

0.2

㎶

Plural Load cells use

A N

ⅹ

A : Load cell capacity(kg)

B : Load cell Voltage(mV)

D : Digit

E : affirmation Voltage of Load cell

N : Number of Load cell

Example1.)

Number of Load cell : 1pcs

Load cell capacity : 500kg

Load cell Voltage : 2mV/V

Digit : 0.05kg

Affirmation Voltage of Load cell : 5,000mV

Max. Capacity of Weighing System : 300kg

Then, estimation result for this weighing system with formula,

5000 2 0.05

ⅹ ⅹ

500

= 1

≥

0.2

㎶

The calculated value is larger than 0.2

㎶

, so this

system has no problem.

Example2.)

Number of Load cell : 4pcs

Load cell capacity : 500kg

Load cell Voltage : 2mV/V

Digit : 0.10kg

Affirmation Voltage of Load cell : 5,000mV

Max. Capacity of Weighing System : 1,000kg

Then, estimation result for this weighing system with formula,

5000

ⅹ

0.10

500 4

ⅹ

= 0.5

≥

0.2

㎶

The calculated value is larger than 0.2

㎶

, so

this system has no problem.

Accordi

※

ng to “Resolution” or “Capacity”, it might not be calibrated like calculation.

Caution

Содержание SI 4300

Страница 1: ...Digital Weighing Indicator Model SI 4300 Operation Manual Version 1 17 2007 09...

Страница 2: ...Parts 3 3 General Specifications 3 4 Option Cards 3 5 Front Panel Display Key pad 3 6 Rear Panel 6 page 6 page 6 page 7 page 7 page 7 page 12 page 4 Installation 4 1 External Dimension Cutting Size 4...

Страница 3: ...utput Interface Option 03 4 20mA 6 6 Serial Interface Option 04 RS 232C 422 485 6 7 BCD INPUT Option 05 6 8 Command Mode 64 page 64 page 67 page 68 page 71 page 72 page 73 page 74 page 75 page 7 Error...

Страница 4: ...amage Please do not touch by hand Protective Ground Earth terminal Prohibition of Operation process 1 3 Copy Rights 1 All Right and Authority for this Manual is belonged to Sewhacnm Co Ltd 2 Any kinds...

Страница 5: ...nt of function or performance we can change item specification without prior notice or permission 7 Item s performance will be up dated continuously base on previous version s performance 2 3 Features...

Страница 6: ...s Sec Non Linearity 0 005 FS Display Resolution External 1 20 000 3 2 Digital Part Display Parts Specification Main Display 7Segments 7digits VFD green Color Size 12 7 H 7 0 W mm Sub Display 7Segments...

Страница 7: ...3 4 Option Card Option No 1 Printer Interface Centronics Parallel Option No 2 Analog Output 0 10V or 0 5V Option No 3 Analog Output 4 20mA Option No 4 Serial Interface RS 232C 422 485 Option No 5 BCD...

Страница 8: ...o print Lamp is turn on Comm When indicator transfers or receives data from other devices Lamp is turn on If the is off although there is some data transference please check communication settings 3 5...

Страница 9: ...Max 50 kinds of P N you can set And you can call certain P N with each set value Check the Accumulated weight and Count for current Part No or All Part No s Sub Total F15 00 setting Grand Total F15 0...

Страница 10: ...to next Function or move to certain function No Press function No and press F key 3 Function key Refer Function keys Enter Exit to Calibration mode ON Enter to Calibration Mode OFF Exit from Calibrat...

Страница 11: ...omatically deleted after Sub Total Print After Pressing key you have to input above function keys within 5sec After 5sec the key activation is loose If you set F51 01 you can check the key activation...

Страница 12: ...Card Connector installed for Optional Interface or Output Printer I F Analog out RS 422 485 or RS 232C two port LOAD CELL Connector N16 05 SERIAL I F RS 232C or CURRENT LOOP 9Pin D Type Female are bui...

Страница 13: ...13 4 INSTALLATION 4 1 External Dimension Cutting Size External Dimension unit mm Cutting Size unit mm 94 188 165 105 200 162 0 92 186...

Страница 14: ...14 4 2 Assembly...

Страница 15: ...adjust output signal difference as minimum It can make wrong weighing process caused by each load cell s variation 4 If there is some temperature difference around Load cell it can cause wrong weight...

Страница 16: ...Sewha CNM Red White Green Blue Black Bongshin CAS TMI AND Red White Green Blue Yellow Shield Daesung Red Black White Green Shield Power MNC Red White Green Black Shield Disocell Red Blue Green White B...

Страница 17: ...ample1 Number of Load cell 1pcs Load cell capacity 500kg Load cell Voltage 2mV V Digit 0 05kg Affirmation Voltage of Load cell 5 000mV Max Capacity of Weighing System 300kg Then estimation result for...

Страница 18: ...de Then you can enter the Calibration Mode with and start calibration mode with pressing key Remove the CAL Bolt Push the CAL S W Check the SET CAL Massage on display For the save the each step press...

Страница 19: ...Division value Set Digit Division with 0 key Press Enter and move the next step Press Enter and move the next step Press Enter and move the next step Under this step define the optimal Digit Division...

Страница 20: ...to next step Caution At this step if there some force or Vibration on Weighing scale and unstable condition will be continued ErrorA will be display and DEAD value will not be calculated Under this co...

Страница 21: ...please prepare Standard weight at least 20 of Max load cell capacity value or Max display capacity value and set This will be make more accuracy calibration setting If you set test weight value over m...

Страница 22: ...the Calibration Mode with and press key to enter Simulation Calibration Mode with and start calibration mode with pressing key Remove the CAL Bolt Push the CAL S W Press NO 1 key to enter the CELL Cal...

Страница 23: ...ss Enter to move next step Under this step define the optimal position or Decimal point Whenever pressing key Decimal point will be changed like XXX XX X X XX XXX The Max Decimal point will be third p...

Страница 24: ...EAD Weight is very important to make ZERO value of weighing scale so please make sure that the weighing scale is empty and free from other external variations When you press key the indicator start me...

Страница 25: ...to some variation between State output rate and Real Output rate of load cell there might be some weight difference after finishing calibration If you want to make more precise weighing process please...

Страница 26: ...F 01 If you move to certain function No press f function no with number key and press key Ex If you want to call F11 XX directly under F function mode Press and key and press key Then you can call F22...

Страница 27: ...teady condition check time setting 01 20 F13 Display up date rate setting 0 9 F14 Over Under set value apply selection 0 1 F15 SUB Total GRAND Total Display selection When S N key input 0 1 F16 Minus...

Страница 28: ...tion install on serial port 1 0 Continuous printing 1 Single printing F43 Printing Format selection Install on serial port 2 Option Port 0 Continuous printing 1 Single printing F44 Sub Grand Total Dat...

Страница 29: ...XX Option Optional Serial Port Port2 setting F60 Parity Bit selection Mode 0 1 2 F61 Serial Communication Speed selection 0 9 F62 DATA Transference Method selection 0 1 F63 Print Command data print p...

Страница 30: ...output mode When Weight Judgment Finish Relay output Print will be done automatically But weighing Judgment data will not be saved automatically If you want to save Weighing Judgment data you have to...

Страница 31: ...will be memorized and you can process weighing job Weight Back up Mode Under this mode SI 4410 memory Zero value of weighing part So when the power is recovered SI4410 can display material weight If y...

Страница 32: ...tor will estimate the weight difference is over the set range during fixed time period If there is large weight difference over set range within fixed time period the Zero is breaking and will find ne...

Страница 33: ...splay Zero automatically when the weight is within 0 30kg Set value weight unit and Steady Digital Filter setting F06 23 AB A Frequency Filter setting value 0 3 0 about 200Hz sec 3 about 500Hz sec B B...

Страница 34: ...within 100 of Max Capacity Key TARE Operation Selection 0 Key TARE Function Not Use F10 1 Key TARE Function Use Key TARE Function You can set TARE value with No keys without weight To input Key TARE v...

Страница 35: ...date rate selection 0 About 10ms 1 About 30ms 2 About 50ms 8 About 170ms F13 9 About 190ms OVER UNDER Range Set value apply selection 0 Apply only certain P N F14 1 Apply same set value to all P N Un...

Страница 36: ...splay value of Accumulated weight is 2 147 483 647 and over this value accumulated weight will be return to 0 000 000 000 Minus symbol display selection 0 Display symbol on the display F16 1 Not use N...

Страница 37: ...TO SENSOR INPUT MODE 2 HOLD KEY INPUT MODE F21 3 SIMPLE COMPARISON MODE 1 4 SIMPLE COMPARISON MODE 2 Each set value were pre set from Factory as Over 3000 Under 2000 Count 0000 Relay output Mode Each...

Страница 38: ...ight Judgment Relay ON time indicator will hold the weight display In case of OVER or UNDER Error relay will be output during the t5 time period after t6 delay time period 3 External input please set...

Страница 39: ...isplay F19 00 Sample HOLD t3 setting is not working and judge the weight at the input spot weight F19 01 Peak HOLD After input HOLD key tracking the Peak weight during t3 period and judge the weight a...

Страница 40: ...LD will be set automatically and start tracking Peak value during t3 period Auto HOLD Reset Input After finishing Weight judgment weigh will be lower than Empty Range HOLD will be reset automatically...

Страница 41: ...ady after t3 period indicator judges the weight Simple Weight Comparison Mode 3 Output Relay Output Contents Output Contents Under 1 Less than Under set ON N G 4 Under Over relay output ON Over 3 More...

Страница 42: ...dy Indicator will judge the Weight condition Limit Mode UNDER Empty Current Weight UNDER Range PASS UNDER Range Current Weight OVER Range OVER OVER Range Current Weight 3 Output Relay Output Contents...

Страница 43: ...relay during the set period Under 01 setting Judgment relay will out during 0 1sec Under 20 setting Judgment relay will out during 2 0sec Weight Mode Selection Absolute Weight Positive weight mode 0 A...

Страница 44: ...Parity 1 Odd Parity F30 2 Even Parity Serial Communication Speed selection 0 2 400bps 1 4 800bps 2 9 600bps 3 14 400bps 4 19 200bps 5 28 800bps 6 38 400bps 7 57 600bps 8 76 800bps F31 9 115 200bps Wh...

Страница 45: ...ata will be transfer through the other port option Port Com Port 2 If you set F33 01 but you just connect with another P C you can take print data with print format though the another P C In this case...

Страница 46: ...nder F37 02 setting CAS Format Transferring DATA byte is fixed as 7byte Under F37 00 01 setting Format 1 Format 2 you can selection 7 or 8byte Print Mode Setting These settings will be apply to Serial...

Страница 47: ...N key GRAND Total Delete Clear key S N key F44 1 Automatic Delete Mode After SUB GRAND Total Print Automatically Deleted Paper Withdraw Rate setting After SUB GRAND Total Print F45 3 0 9 Whenever set...

Страница 48: ...mal function on Parallel print device PrinT Er will be displayed Then please check the Parallel print device condition Function Clear key Activation display selection 0 Activation display not use F51...

Страница 49: ...et F52 00 EMPTY Checking selection 0 EMPTY check F56 1 EMPTY not check This function will work under F21 01 setting only Under F56 00 setting After having Sensor input indicator will check the EMPTY r...

Страница 50: ...e is larger than Max Capacity the Error will be displayed SPAN Calibration Value Check F89 X X X X X X Span Calibration Value Check Under F function mode enter key and press After checking the value a...

Страница 51: ...Mode setting Serial Port 2 Optional Serial port This setting will be activated only when Optional Serial Port is installed Parity Bit selection Mode 0 No Parity 1 Odd Parity F60 2 Even Parity Serial...

Страница 52: ...print port where indicator takes a Print Command from P C If you choose F63 00 the print data will be transfer to P C with print format If you choose the other port the print data will be transfer thr...

Страница 53: ...tput only 1 time transferred F66 2 Manual Mode When Print key input 1 time transferred DATA Transference Format selection Under F62 00 F65 00 setting only 0 Format 1 1 Format 2 Format 1 ID No F67 2 CA...

Страница 54: ...ing Apply only for Weight related data B Data Transference Mode P C Monitoring Standard Serial Port Setting F32 00 Simplex Mode setting F35 00 Data Transference Mode F36 00 01 02 00 Steam Mode 01 When...

Страница 55: ...E 1 Standard Serial Port Setting Command Mode F32 01 Command Mode F33 00 Nominate Printing port for PRINT COMMAND There is not installed print So Print data will be transfer to P C directly F34 00 01...

Страница 56: ...y F64 00 01 Check Sum selection Not use 00 setting Use 01 setting F40 00 01 Transferred Data Byte Setting Apply only for Weight related data B Command Mode External Display Mode SE 6005 SE6105 CASE 1...

Страница 57: ...e Serial Print Mode CASE 1 Standard Serial Port Setting Command Mode F32 01 Command Mode F33 00 Nominate Printing port for PRINT COMMAND There is not installed print So Print data will be transfer to...

Страница 58: ...Data Byte Setting Apply only for Weight related data Even if F38 01 Auto print mode finished data will not be automatically save when F01 00 Manual Save Mode D Data Transference Mode P C Monitoring Ex...

Страница 59: ...P C Monitoring Serial Print Mode CASE 1 Standard Serial Port Setting Data Transference Mode F32 00 Simplex Mode setting F35 00 Data Transference Mode F36 00 01 02 00 Steam Mode 01 When Judgment Relay...

Страница 60: ...7 02 setting F40 00 fix Even if F38 01 Auto print mode finished data will not be automatically save when F01 00 Manual Save Mode F External Display Mode SE6005 SE6105 Serial Print Mode CASE 1 Standard...

Страница 61: ...finished data will not be automatically save when F01 00 Manual Save Mode G Standard Serial Port Optional Serial Port COMMAND Mode Standard Serial Port setting Command mode F32 01 Command Mode F33 00...

Страница 62: ...mplex Mode setting F65 00 Data Transference Mode F66 00 01 02 00 Steam Mode 01 When Judgment Relay Output 1time transfer 02 When key input 1time transfer F67 00 01 02 Transferred Data format setting I...

Страница 63: ...t out 01 setting Auto Print Mode When Judgment Relay output 1time auto Print out Optional Serial Port Setting Serial Print Mode F62 00 Simplex Mode setting F65 01 Print Mode setting F68 00 01 00 setti...

Страница 64: ...Selectable on F function31 Data Bit 8 No Parity mode only Bit Refer F30 Stop Bit 1 Parity Bit Non Even Odd Selectable on F function 30 Refer F30 Code ASCII STX 02H ETX 03H CR 0DH LF 0AH Check Sum Erro...

Страница 65: ...on 34 35 CR LF ID Number Header 1 Header 2 Data 8 Unit Header 1 OL Over Load Under Load ST Display Steady US Display Un Steady Header 2 NT Net Weight GS Net Weight under TARE Data Bit Number 2B H Plus...

Страница 66: ...Off Data Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 1 Steady 1 Hold Print Gross Weight Tare Zero Data Bit Number 2B H Plus 2D H Minus 2D H Space 2E H Decimal Point Unit kg g t 6 1 5 Communication...

Страница 67: ...ance Current Loop Interface supports up to 9 600 Communication Speed only 6 2 1 Signal Format As same as RS 232C Interface 1 20mA 0 0mA Only this power part is different 6 2 2 Data Format As same as R...

Страница 68: ...2 DATA0 Data bit0 signal out 15 N C 3 DATA1 Data bit1 signal out 16 N C 4 DATA2 Data bit2 signal out 17 N C 5 DATA3 Data bit3 signal out 18 GND GROUND out 6 DATA4 Data bit4 signal out 19 GND GROUND ou...

Страница 69: ...69 6 3 4 Typical Interface Circuit Signal Name Circuit Sample Input BUSY ACK From Printer Output Data0 Data7 To Printer STROBE To Printer...

Страница 70: ...OVER 01 01 1 000 kg PASS 01 02 0 900kg PASS 01 03 0 910kg PASS 01 04 0 900kg UNDER 01 05 0 890kg OVER 01 06 1 000kg SUB TOTAL DATE 2006 10 15 TIME 10 30 30 ID_N 01 PART 10 T COUNT 2 OK COUNT 1 NG COU...

Страница 71: ...nt This output is adjusted as when the weight is Zero output is 0V and When the weight is Full capacity output is 10V If you need additional adjustment please adjust with VR1 Zero VR2 Span on the Anal...

Страница 72: ...l be output 6 5 2 Circuit LO terminal is not a GND so this LO terminal do not be connected with other GND terminal on other devices 6 5 3 Output Adjustment This output is adjusted as when the weight i...

Страница 73: ...ation distance is about 1 2km If you install additional RS 232C interface please refer 6 1 Serial Interface section 6 6 1 Signal Format Type RS 422 485 Format Baud Rate Refer F function 31 Data Bit 7...

Страница 74: ...n be applied on PLC Programmable Logic Controller or Score Board applications Each Input circuit is isolated with Photo Coupler from external devices electrically Wire Connection Diagram 100 X1 100 X2...

Страница 75: ...der Value Transfer Under Set value READ Including Decimal point 7 8byte STX ID NO RLOW UNDER Value 7 8byte ETX STX ID NO RPSN ETX Pass Weight Count Pass Count READ Including Decimal point 6byte STX ID...

Страница 76: ...EAD GRAND TOTAL DATA READ STX ID NO RGRD P N 2byte Serial No 6byte Accumulated Weight 11byte Weight unit 2byte ETX STX ID NO RFIN ETX FINISH weight READ FINISHED weight READ 7 8 byte including Decimal...

Страница 77: ...No Setting ACK or NAK STX ID NO WPNO 2byte ETX Part No Setting ACK or NAK STX ID NO WPSN 6byte ETX Pass Count Setting ACK or NAK STX ID NO WOSN 6byte ETX Over Count Setting ACK or NAK STX ID NO WUSN...

Страница 78: ...rmat STX ID NO RCWT ST NT 0001 000 kg ETX F40 01 8byte Data Transfer setting 02h 30h 31h 52h 43h 57h 54h 53h 54h 2Ch 4Eh 54h 2Eh 2Bh 30h 30h 30h 31h 2Eh 30h 30h 30h 6Bh 67h 03h Header ID No RCWT Curre...

Страница 79: ...and RCWT ID No 01 Current Weight 1 000kg Under BCC Check setting F34 01 P C Command Format STX ID NO RCWT ETX 02h 30h 31h 52h 43h 57h 54h 41h 36h 03h Header ID No RCWT BCC End Indicator Data Transfere...

Страница 80: ...mmand Format F40 00 7byte Data Transfer setting STX ID NO WHIG 000 600 ETX 02h 30h 31h 57h 48h 49h 47h 30h 30h 30h 2Eh 36h 30h 30h 45h 34h 03h Header ID No WHIG REQUEST DATA 7byte BCC End P C Command...

Страница 81: ...stance is more than 100 Weight Value is increased regular rate but not return to Zero 1 Load cell Error 2 Load cell connection Error 1 Check Load cell connection 2 Measure Load cell Resistance Weight...

Страница 82: ...is not loaded Check standard weight s weight with set value If there is difference between set value and real weight please re input the value set value is too small Err 07 1 Amp Gain is too small 2...

Страница 83: ...board error No 2 Un Pass 1 Power is ON when some materials are on weighing part Under Normal Mode if there are more than 20 loading of Max capacity Un Pass display will be appeared and indicator will...

Страница 84: ...press No 1 key and Enter TEST1 mode Under this mode you can check the A D value If the A D value is close to 520 000 or there is no change although pressing or loading some force on in weighing part...

Страница 85: ...Err will be displayed with 3times buzzer sound The communication is working properly 232Pass will be displayed with one time buzzer sound Test 6 Communication Test Com Port 2 Under TEST display press...

Страница 86: ...ermission Any kinds of Mal function Defection or External damage caused by operator Any kinds of Mal function Defection caused by using spare part from Non Authorized Distributor or Agent Any kinds of...

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