Sewha SI 4200 Instruction Manual
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Sewha SI 4200 Instruction Manual

Digital weighing controller
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Digital Weighing Controller
SI 4200
Instruction Manual
Ver. 3.15 May 2011

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Summary of Contents for Sewha SI 4200

  • Page 1 Digital Weighing Controller SI 4200 Instruction Manual Ver. 3.15 May 2011...
  • Page 2 Digital Weighing Indicator SI 4200 CONTENTS 1. Before Installation --------------- 3 page --------------- 2. Introduction 4 page 3. Specification --------------- 5 page --------------- 4. Installation 11 page 4-1. External Dimension & Cutting Size --------------- 11 page 4-2. Load Cell Installation...

  • Page 3: Before Installation

    Digital Weighing Indicator SI 4200 1. BEFORE INSTALLATION 1-1. Caution / Warning Marks Warning This mark warns the possibility to arrive death or serious injury in case of wrongly used. Caution This mark cautions the possibility to arrive serious human body injury or product lose in case of wrongly used.
  • Page 4 This “SI 4200” model is advanced model for “Quantity Control application”, with 2ports serial port interfaces and precise weighing control system, you can upgrade your weighing process. This “SI 4200” Weighing Controller is suitable for any kinds of Weight Capacity with Counting by “Unit Weight Calibration”.

  • Page 5: Analog Input & A/D Conversion

    Digital Weighing Indicator SI 4200 3. SPECIFICATION 3-1. Analog Input & A/D Conversion Input Sensitivity 0.2㎶ / Digit DC 10V ( - 5V ~ + 5V ) Load Cell Excitation Max. Input Signal Max.3.2mV/V [Zero] ±16PPM/℃ Temperature Coefficient [Span] ±3.5PPM/℃...

  • Page 6: Option Card

    Digital Weighing Indicator SI 4200 3-4. Option Card Option No.1 Printer Interface : Centronics Parallel Analog Output (0~10V or 0~5V) Option No.2 Option No.3 Analog Output (4~20mA) Serial Interface : RS-232C / 422 / 485 Option No.4 BCD INPUT (P/N change purpose) Option No.5...
  • Page 7 Digital Weighing Indicator SI 4200 3-5-2. Key Operation Make Weight value as Zero. Under F08, you can set the Zero key operation range, as 2%, or 5%, or 10%, or 20% of Max. Capacity. ※ Under “Tare” key input, Zero key will not be activated.
  • Page 8 Digital Weighing Indicator SI 4200 You can set FREE FALL value through this key. 1. Manual Print (F38-00 setting, under F35-01) 2. Manual weighing Data save for accumulated weighing count and weight. (F01-00 / 02 setting) 3. Calibration mode - Digit setting Whenever pressing “0”key, digit will be change 1, 2, 5, 10, and 50.
  • Page 9 Digital Weighing Indicator SI 4200 ※ “Function Keys”(Combined Key Function) Enter “Unit Weight Calibration” mode. - Please refer “5-4. Unit Calibration”. Print all P/Ns’ accumulated weighing count and weight. (Grand-Total Print) High Range value setting (N.G Relay). Under Range value setting(N.G Relay) Print current P/N’s accumulated weighing count and weight.

  • Page 10: Rear Panel

    Digital Weighing Indicator SI 4200 3-6. Rear Panel ② ○ ○ ○ ○ ○ ○ ○ ○ POWER AC IN - Power switch : Power on/off switch. Warning - Fuse : AC250V / 0.5A , φ5.25 , 20mm. - AC IN : Available Input AC 110V / 220V.

  • Page 11: External Dimension & Cutting Size

    Digital Weighing Indicator SI 4200 4. INSTALLATION 4-1. External Dimension & Cutting Size (External Dimension) (unit : mm) 162.0 (Cutting Size) (unit : mm) 4-2. Installation Components Power Cable Communication Connector(D-SUB 9P) Load-cell Cable - 11 -...
  • Page 12 Digital Weighing Indicator SI 4200 4-3. Load Cell Connector Specification 4-3-1. Load Cell Connector Specification White Green Blue Shield 4-3-2. Load Cell Installation 1) You can connect Max. 8pcs of same capacity Load cells at once. (350Ω) 2) You have to make horizontal balance on the ground.
  • Page 13 SI 4200 4-2-4. Formula to plan the precise weighing system This “SI 4200” weighing controller’s Max. input sensitivity is 0.1㎶ / 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.
  • Page 14 Digital Weighing Indicator SI 4200 5. SET-UP 5-1. Calibration Adjust weight balance between “Real weight” on the load cell(Weight Part) and “Displayed weight of Indicator”. When you replace LOAD CELL or Indicator, you have to do Calibration process once again 5-2.
  • Page 15 Digital Weighing Indicator SI 4200 p 20. 0 00 6. Press key to save and move to next step. 7. Define the optimal Digit/Division value of weighing measurement. Whenever pressing key, the Digit/Division value will be changed like 1->2->5->10->20->50. Ex) Load cell CAPA : 20kg, division : 0.001 Input division “1”...
  • Page 16 Digital Weighing Indicator SI 4200 l 2. 0 00 12. Input “Test weight” capacity. And press key. Ex) Load Cell CAPA : 20kg, division 0.001  Use test weight(at least 2kg) which is 10% of max CAPA(20kg)  input test weight 2.000 13.
  • Page 17 Digital Weighing Indicator SI 4200 5-3. Simulation Calibration Mode (Calibrate without Test weight) Through this “Simulation Calibration Mode” you can make simple calibration without Test weight. This calibration mode uses “Load cells’ max. capacity” and “Max. Output Rate(mV)”, the weight adjustment degree might be less than “Test weight Calibration”.
  • Page 18 Digital Weighing Indicator SI 4200 6. define the optimal position or Decimal point p 15000 Whenever pressing key, Decimal point will be changed. p 1500. 0 7. Press key to save Digit /Decimal point and move to next step. Ex) Load cell CAPA : 1500kg, division : 0.5  Input 1500.0 8.
  • Page 19 Digital Weighing Indicator SI 4200 Cell0Ut 12. At this step input Max. Output rate(mV) of load cell. o1. 4 5800 13. Input Load cell Output Rate(mV/V) (refer the load cell label) Ex)Load cell output rate : 1.458 mV/V ※ Caution : Due to some variation between “State output rate” and “Real Output rate” of load cell, there might be some weight difference after finishing calibration.
  • Page 20 Digital Weighing Indicator SI 4200 5-4. Unit Weight Calibration “Unit Calibration” means make standard of sample weight to calculate No. of bulk quantity. To make accuracy quantity count conversion, please load more than 10pcs sample at once. The sample no, is increased, the quantity accuracy is also increased.
  • Page 21 Digital Weighing Indicator SI 4200 Step 2. Sample Weight check and Unit weight Calculation key, and Enter to “Unit Calibration” Mode. Press key and Load “Sample” on the Scale and input Number of samples. After load and input, press and save these values.
  • Page 22 Digital Weighing Indicator SI 4200 5-5. Set-up Set-up means set the F-function and make SI 4200 weighing controller will perform more accuracy. (Considering external / internal environmental condition) 5-5-1. Enter the Set-up Mode key for 4sec. Then you can enter “F-Test” mode. Under this mode, press 1).
  • Page 23 Digital Weighing Indicator SI 4200 5-6.F-Function ■ General Function Setting (● Factory default set value) Weighing Data Save Method Selection (Apply on Accumulated weighing count/weight) ● Manual Save Mode (Save when “Print” key input) Automatic Save Mode (Save when “Finish Relay output”) Weight-Back up selection ●...
  • Page 24 Digital Weighing Indicator SI 4200 Zero key Operation Range selection Activated within 2% of Max. Capacity Activated within 5% of Max. Capacity ● Activated within 10% of Max. Capacity Activated within 20% of Max. Capacity Activated within 50% of Max. Capacity Activated within 100% of Max.
  • Page 25 Equipment No. setting 1~99 Equipment No. setting with No. key. ■ Relay Output Mode Setting ※ All Relay output mode of SI 4200 model is basis on Quantity, not Weight. Weighing Mode selection ● LIMIT Mode PACKER Mode CHECKER Mode...
  • Page 26 Digital Weighing Indicator SI 4200 ◆ Weighing Mode 1. – Limit Mode (F21-01 setting) – Checker mode will be operated basis on Quantity, not Weight value. - This Flow Chart is based on High”/”Low” range is Zero Weight FINISH Empty...
  • Page 27 Digital Weighing Indicator SI 4200 ◆ Weighing Mode 2 – Packer Mode (F21-02 setting) FINISH Weight Over Pass Fall Under Empty TARE START OUT 1 OUT 2 FINISH OUT 3 UNDER OUT 4 OVER OUT 5 EMPTY OUT 6 1. Each Set value setting : SP1, SP2, Free Fall : (SP1 ≤ SP2 – Free Fall) ※...
  • Page 28 Digital Weighing Indicator SI 4200 ◆ Weighing Mode 3 – Checker Mode (F21-03 setting) – This Checker mode will be operated basis on Quantity, not Weight Weight Over Over Limit Pass Under Limit Under Empty Output 1 Under Output 3...
  • Page 29 Digital Weighing Indicator SI 4200 “FINISH / Judgment Relay” delay time(t1) setting After current weight is reached to FINAL, you can set some delay time of “FINISH relay ON time. Steady point ∫ FINISH Relay Com-Out4 “00” setting : At Steady point, FINISH relay output “20”...
  • Page 30 Digital Weighing Indicator SI 4200 Rounding Off Selection (Counting) ● Rounding Off Use Rounding Off Not use ■ Communication Mode setting (Serial Port 1. - Standard installed port) Parity Bit selection Mode ● No Parity Odd Parity Even Parity Serial Communication Speed selection...
  • Page 31 Digital Weighing Indicator SI 4200 Manual Mode : When “Print” key input, 1 time transferred. DATA Transference Format selection(Under F32-00, F35-00 setting, only) ● Format 1. Format 2. (Format 1 + ID No.) CAS Format AND Format Print Mode selection (Under F32-00, F35-01 setting, only) ●...
  • Page 32 Digital Weighing Indicator SI 4200 Whenever set value increased, 1line will be added. Paper Withdraw Rate setting (After Continuous/Single Print) Whenever set value increased, 1line will be added. Printing Language Selection (If you install on Standard Serial Port) ● KOREAN...
  • Page 33 Digital Weighing Indicator SI 4200 ■ Other Setting ※ Under “Other setting mode”, you can not move to other function directly. EMPTY Range setting You can set “EMPTY” Range. Within set range, indicator will not display current weight and just display “Zero”.
  • Page 34 Digital Weighing Indicator SI 4200 14,400bps 19,200bps 28,800bps 38,400bps 57,600bps 76,800bps 115,200bps DATA Transference Method selection ● Simplex Mode / Stream Mode Duplex Mode / Command Mode Print port selection (Under F62-01 setting, only) ● Same port as using for Command Mode.

  • Page 35: Serial Interface (Rs-232C)

    Digital Weighing Indicator SI 4200 6. INTERFACE 6-1. Serial Interface (RS-232C) RS-232C Serial Interface is sensitive/weak for electric Noise. So, please isolate with AC power cable and use shield cable to reduce the electric noise effect. 6-1-1. Communication with PC(Personal Computer) or Other devices...
  • Page 36 Digital Weighing Indicator SI 4200 Start Bit Data Bit Parity Bit Stop Bit 6-1-4 Data Format(1) : ID Number will not be transferred. (Refer “F-function 37”) Including Decimal point Header 1. Header 2. Data Byte ( 7 or 8 byte )
  • Page 37 Digital Weighing Indicator SI 4200 ② Header 2. : NT : Net-Weight GS : Net-Weight, under TARE. ③ Data Bit(Number) 2B(H) : “+” Plus 2D(H) : “-“ Minus 2D(H) : “ “ Space 2E(H) : “.” Decimal Point ④ Unit : kg, g, t 6-1-6 Data Format(3) : CAS “CI5101A”...
  • Page 38 Digital Weighing Indicator SI 4200 6-1-7. Data Format : AD – 4321 Data Transference) – AD – 4321 18byte Format +,- / Including Decimal point 8byte Header 2 Header 1 Data(8) Weight Unit ① Header 1. : OL : Over Load, Under Load ST : Display “Steady”...

  • Page 39: Current Loop Interface

    Digital Weighing Indicator SI 4200 6-2. Current Loop Interface “Current Loop” Interface is stronger for Electric Noise than “RS-232C” interface. So, it can be used for long distance communication.(About 100m long distance). ※ Current Loop Interface supports, up to 9,600 Communication Speed, only.
  • Page 40 Digital Weighing Indicator SI 4200 6-3. Print Interface (Option 01 : Centronics Parallel Interface) This Print Interface Option is based on “Centronics Parallel Interface”, so this print interface can be connected other printers using this communication method. But, the print format is programmed based on our “SE7300”, and “SE7320” Industrial Printers, so you had better to use these printer for convenience.
  • Page 41 Digital Weighing Indicator SI 4200 6-3-5. Print Format (English) Single Print Continuous Print DATE : 2006-10-15 DATE : 2006-10-15 TIME : 10:20:30 TIME : 10:20:30 ID_N PART SERIAL U-WEIGHT ID_N PART SERIAL U-WEIGHT 0.01 kg 0.01 kg 1.00kg 100EA 1.00kg...
  • Page 42 Digital Weighing Indicator SI 4200 6-4. Analog Output Interface (Option 02 : 0~10V Output) This Option card converts weight value to Analog Voltage output(0~10V) and transfers to external devices(Recorder, P.L.C), controlled by voltage output. 6-4-1. Specification ①. Output Voltage : 0~10V DC output ②.
  • Page 43 Digital Weighing Indicator SI 4200 6-5. Analog Output Interface (Option 03 : 4~20mA Output) This Option card converts weight value to Analog Electric Current output(4~20mA) and transfers to external devices(Recorder, P.L.C), controlled by electric current output. 6-5-1. Specification ①. Output Current : 4~20mA (Output Range : 2~22mA) ②.
  • Page 44 Digital Weighing Indicator SI 4200 6-6. Serial Interface (option 04 : RS-232C/422/485) RS-422/485 serial interface is more stable for electric noise effect compare with other communication method, using electric current difference. But, install isolated place from Power cable or other electric cables and wires, and please use shielded cable for better performance.
  • Page 45 Digital Weighing Indicator SI 4200 6-7. BCD Input ( Option 05) – Input for Part No. selection. This “BCD interface” option card can be applied on PLC (Programmable Logic Controller), or Score Board applications. Each Input circuit is isolated with “Photo-Coupler”, from external devices electrically.
  • Page 46 Digital Weighing Indicator SI 4200 6-8. BCD Output Interface( Option 06) This “BCD interface” option card can be applied on PLC (Programmable Logic Controller), or Score Board applications. Each Input circuit is isolated with “Photo-Coupler”, from external devices electrically. - 46 -...

  • Page 47: Command Mode

    Under “Command Mode”, Indicator will recognize the receipt of Order based on 02h(Header) and 03h(END) signal, and transfers ACK(06)/ NAK(15). 6-9-1. Read Command (Standard Serial Port and Optional Port is same.) P.C ->> SI 4200 Command SI 4200 Response Current Weight Data (Including Decimal Point) STX ID NO.
  • Page 48 Current Unit Weight (8byte) STX ID NO. RUWT ETX Unit Weight -STX ID NO. RUWT Current Unit Weight EXT 6-9-2. Write Command P.C ->> SI 4200 Command SI 4200 Response STX ID NO. WZER ETX Make ZERO ACK or NAK STX ID NO.

  • Page 49: Load Cell Installation

    Digital Weighing Indicator SI 4200 7. Error & Treatment 7-1. Load Cell Installation Error Cause Treatment Remark 1.Input Resistance of 1.Load cell broken 1. Measure “EX+” and “EX-“ is 2. Load cell isolation input/output resistance about 350Ω~450Ω. resistance error of Load cell.
  • Page 50 Digital Weighing Indicator SI 4200 7-3. Digital Weighing Indicator Error No. Display Cause Treatment 1. Under “TEST” mode 1, check analogue value. If you can not get any analogue 1. Load cell Error value or there is no change although “CELL-...

  • Page 51: Indicator Test Mode

    Digital Weighing Indicator SI 4200 7-4. Indicator Test mode Through this “Test Mode”, you can check basic conditions of Indicator. This Test consists with total 7 tests. 7-4-1. Enter “Test Mode” key for 4sec, then display will show “F-Test”. Press Under this display, press No.2 key and enter the “Test Mode”.
  • Page 52 Digital Weighing Indicator SI 4200 WARRANTEE CETIFICATION This product is passed “Sewhacnm”s strict quality test. If there is defect of manufacturing or abnormal detection within warrantee period, please contact our Agent or Distributor with this Warrantee certificate. Then, we will repair or replace free of charge.

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