Sewhacnm SI 460A User Manual
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Sewhacnm SI 460A User Manual

Digital weighing indicator
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Digital Weighing Indicator
SI 460A
User Manual
2014.06.13
- 1 -

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Summary of Contents for Sewhacnm SI 460A

  • Page 1 Digital Weighing Indicator SI 460A User Manual 2014.06.13 - 1 -...

  • Page 2: Table Of Contents

    SI 460A DIN SIZE WEIGHING INDICATOR CONTENTS 1. Before Installation ------------------------- 3 Page 2. Introduction ------------------------- 4 Page 3. Specification ------------------------- 5 Page 3-1. Specification ------------------------- 5 Page 3-2. Front Panel ------------------------- 6 Page 3-3. Rear Panel ------------------------- 8 Page 4.

  • Page 3: Before Installation

    SI 460A DIN SIZE WEIGHING INDICATOR 1. BEFORE INSTALLATION Caution / Warning Marks This mark warns the possibility to arrive death or serious injury in case of wrongly used. This mark cautions the possibility to arrive serious human body injury or product lose in case of wrongly used.

  • Page 4: Introduction

    7. Item’s performance will be up-dated continuously base on previous version’s performance. 2-3. Features 1. SI 460A model is the square DIN SIZE and compact enough, so it is easy to install. 2. Front panel is covered with Polycarbonate film, strong against dust and water.

  • Page 5: Specification

    SI 460A DIN SIZE WEIGHING INDICATOR 3. SPECIFICATION 3-1 Specification Content Specification External Resolution 1/20,000 Internal Resolution 1/2,000,000 (±1,000,000) Input Sensitivity Min 0.1µV/V Max Signal Input Voltage 3.0mV/V Load cell Excitation DC +5V Performance A/D Conversion Method Sigma-Delta Decimal Point 0, 0.0, 0.00, 0.000...

  • Page 6: Front Panel

    SI 460A DIN SIZE WEIGHING INDICATOR 3-2. Front Panel 3-2-1 Front Panel (Display / Key Pad) 3-2-2. State Lamp STEADY When the weight is stable, ON. ZERO When the current weight is under zero range, ON. TARE When “TARE” function is set, ON.
  • Page 7 3.Test Mode 1 : Standard serial interface test mode 4. Set-up Mode : Set point setting Mode. ●Setup Mode :It is a mode can SET-UP the calibration, Function of SI 460A .(refer to CH5. SET- 3-2-4. Hot key (with F key) Continuous “TARE”...

  • Page 8: Rear Panel

    SI 460A DIN SIZE WEIGHING INDICATOR 3-3 Rear Panel 1. Power DC IN: 24V (Power: 24V 1A recommended) 2. External Input terminal: Refer F-Function 231~234 to select each function. 3. Serial Interface terminal TX+ Terminal TX- Terminal RX+ Terminal RX- Terminal Communication Method RS –...

  • Page 9: Installation

    SI 460A DIN SIZE WEIGHING INDICATOR 4. INSTALLATION 4-1. External Dimension & Cutting Size External Dimension (Unit : mm) Cutting Size (Unit : mm) 4-2. Installation Components SI 460A User Manual - 9 -...

  • Page 10: Load Cell Installation

    SI 460A DIN SIZE WEIGHING INDICATOR 4-3 Load cell Installation Load Cell Wire Connection (In case of SEWHACNM’s Load cell) It depends on the manufacturer of load cell, please check the specification. -----Sewhacnm Co.,ltd. Load cell & wire color---- ※ Load cell wire color can be changed without prior notice.

  • Page 11: Set-Up

    SI 460A DIN SIZE WEIGHING INDICATOR 5. SET-UP 5-1. SET-UP Mode 5-1-1. Enter to SET-UP Mode If “SETUP” is displayed, SET-UP mode is ON. Press key 4 times.  Shortcut F-function Mode Press key 4 times  Analog Variation Value Press key 4 times ...

  • Page 12: Test Weight Calibration Mode

    SI 460A DIN SIZE WEIGHING INDICATOR 5-2. Test Weight Calibration Mode 5-2-1. 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 Calibrate process once again.
  • Page 13 SI 460A DIN SIZE WEIGHING INDICATOR 5-2-3. Setting “Capacity of weighing Scale” After displaying “CAPA”, input max capacity with keys & Press key to save & move to next step. If you want to set Max capacity as 1,000kg and the division is 0.1 (100g), then just input “1000”.
  • Page 14 SI 460A DIN SIZE WEIGHING INDICATOR 5-2-4. “Decimal Point” and “Digit / Division” Value After “DIVI” is displayed select Decimal point with key. Whenever pressing key , decimal point will be changed. Please stop at the optimal position. And select Division optimal division with key.
  • Page 15 SI 460A DIN SIZE WEIGHING INDICATOR Indicator will search “DEAE weight” during 10~20 secs automatically to find the best condition. ※ Over than 1/10,000 resolution setting, To guarantee the preciseness, DEAD weight calculation (CAL00~CAL09) will be operated twice. In this step, if there is unstable condition such as some forces or Vibration on the scale part, “ErrorA”...
  • Page 16 SI 460A DIN SIZE WEIGHING INDICATOR If “UP” is displayed, please load “Test Weight” on the scale part and press key. ※ Over than 1/10,000 resolution setting, To guarantee the preciseness, Span calculation will be operated twice. After calculation, span value will be displayed on the display.

  • Page 17: Simulating Calibration Mode

    SI 460A DIN SIZE WEIGHING INDICATOR 5-3. Simulation Calibration Mode(Calibrate without Test weight) With this “Simulation Calibration Mode” you can make simple calibration without any “TEST weight” This calibration mode uses “Load cells’ max capacity” and “Max Output Rate(mV)”, so the weight adjustment degree might be less than “Test weight Calibration”.
  • Page 18 SI 460A DIN SIZE WEIGHING INDICATOR 5-3-2. Setting “Capacity of Load Cell” After “CAPA” displayed, Check Max Capacity of Load cell. (refer the load cell label, or Test Report) Input the Max Capacity of Load cell. And press key. In case of multiple pieces of load cells are installed, Please make sum of each load cell’s capacity and make setting with Max Capacity.
  • Page 19 SI 460A DIN SIZE WEIGHING INDICATOR 5-3-3. Setting “Digit / Division” value After “DIVI” is displayed select Decimal point with key. Whenever pressing key, decimal point will be changed. Please stop at the optimal position. And select Division optimal division with key.
  • Page 20 SI 460A DIN SIZE WEIGHING INDICATOR It takes 10secs or 20secs to find the best condition. Over than 1/10,000 resolution setting, To guarantee the preciseness, dead weight calculation will be operated twice. 5-3-5. Inputting Max Output ( Rated Output Voltage / mV) Input the output value of load cell.
  • Page 21 SI 460A DIN SIZE WEIGHING INDICATOR If input wrong value, there will display “Err-01”, Setting “Capacity of Load please go back to Cell”. After recheck the label of load cell and retry the process. After displaying “mV”, input Load cell Rated Output (mV), referring the load cell label.

  • Page 22: F-Function Setting

    SI 460A DIN SIZE WEIGHING INDICATOR 5-4. F-FUNCTION Setting ■ Starting F-FUNCTION Mode kye 4 times  When “SETUP” is displayed, press key. Press Enter the function No. that you want to move And Press key. Whenever press key, function No. is increased.
  • Page 23 SI 460A DIN SIZE WEIGHING INDICATOR ■ F-Function List General Function Setting (“●” Factory default set value) F-LIST Subject Default Contents 01~99 Equipment No. setting – ID No.setting 00:Normal mode Weight–Back up Mode 01: Weight Back up Mode(Zero) 02: Weight Back up Mode(Zero&Tare) 00: Manual: Whenever “Print”...
  • Page 24 SI 460A DIN SIZE WEIGHING INDICATOR Auto Zero function under Tare state 00:Disuse, 01:Use Tare Delay Time 00:Disuse, 01 ~ 10:Use (Unit:1sec.) 00:Manual (Tare key) Tare Removal Time 01:Auto (Under near zero range) 02:Auto (At the steady condition) 00 : Disuse...
  • Page 25 SI 460A DIN SIZE WEIGHING INDICATOR 00:Databit 8, Stopbit 1, Paritybit Non 01:Databit 8, Stopbit 1, Paritybit Odd Parity / Stop bit 02:Databit 8, Stopbit 1, Paritybit Even 03:Databit 7, Stopbit 1, Paritybit Odd 04:Databit 7, Stopbit 1, Paritybit Even...
  • Page 26 SI 460A DIN SIZE WEIGHING INDICATOR 00:Simplex / Stream Mode Data transmission mode (Option Port) 01:Duplex / Command Mode 02:Print Mode “Check-Sum” detection selection under 00: Disuse, 01: Use command mode (Option Port) Data Format under Stream Mode 00:Format1, 01:Format2, 02:Format3...
  • Page 27 SI 460A DIN SIZE WEIGHING INDICATOR Equipment No. setting 01 ~ 99 ID No. setting with No. key. (01~99 selectable) Weighing Data Save Method selection Normal mode Weight Back up Mode(Zero) ● Weight Back up Mode(Zero&Tare) Weighing Data Save Method ●...
  • Page 28 SI 460A DIN SIZE WEIGHING INDICATOR Steady Range During the set time period, estimate weighing part’s 01 ~ 99 “STEADY” condition and display. (Unit: 0.25 gradation) “STEADY” condition check time During the set time period, estimate weighing part’s “STEADY” condition and display. If you set small value, indicator will 01 ~ 99 take “STEADY”...
  • Page 29 SI 460A DIN SIZE WEIGHING INDICATOR Tare Delay Time 00: Disuse 00 ~ 10 01 ~ 10: Use(Unit: 1 sec) Auto tare set when weighing starts ● Disuse Tare Removal Timing ● Manual Auto at empty range Auto at steady condition...
  • Page 30 SI 460A DIN SIZE WEIGHING INDICATOR External Input 1 Setting Disuse Hold ● Zero Hold/Hold removal Tare Hold/Hold removal Tare removal Print Tare/Tare removal Subtotal print External Input 2 Setting Disuse Hold Zero Hold/Hold removal Tare Hold/Hold removal Tare removal Print ●...
  • Page 31 SI 460A DIN SIZE WEIGHING INDICATOR Serial Communication Speed selection 2,400bps 28,800bps 4,800bps 38,400bps ● 9,600bps 57,600bps 14,400bps 76,800bps 19,200bps 115,200bps DATA transference Method selection ● Simplex Mode / Stream Mode Duplex Mode / Command Mode Print Mode MODBUS(RTU) Command mode “Check Sum” detection selection (F303-01) ●...
  • Page 32 SI 460A DIN SIZE WEIGHING INDICATOR Serial Communication Speed selection 2,400bps 28,800bps 4,800bps 38,400bps ● 9,600bps 57,600bps 14,400bps 76,800bps 19,200bps 115,200bps DATA transference Method selection (Option Port) ● Simplex Mode / Stream Mode Duplex Mode / Command Mode Print Mode MODBUS(RTU) Command mode “Check Sum”...
  • Page 33 SI 460A DIN SIZE WEIGHING INDICATOR Analog Output Standard Setting ● Capacity CAPACITY (Gross weight under Tare) ■Hidden Option : How to enter Hidden function setting mode : Press F Key during 4sec and input your password. Default password is 1111. Press Enter key after input your password.
  • Page 34 SI 460A DIN SIZE WEIGHING INDICATOR Weighing Data Saving time point and print ◆ Print input Weighing Data Save Method (Key, Printing out data Saving Data (F-function 103) Communication, External input) Current ○ Current weight weight Manual Ⅹ Ⅹ Ⅹ...
  • Page 35 SI 460A DIN SIZE WEIGHING INDICATOR 5-5. Test Mode Before starting the TEST mode, please remove operating devices. Press 4times  When “SETUP” is displayed ● Press key to enter Test mode 1 ● Press key to enter Test mode 2 ●...
  • Page 36 SI 460A DIN SIZE WEIGHING INDICATOR 5-5-1. Analog Deviation Check Mode You can check the deviation of analog value. Display current Display from Display from analog value to ‘0’ 1 million unit ten million unit 5-5-2. Display Check Mode Test FND and LED Blink FND and LED by 1 Segment gradually.
  • Page 37 SI 460A DIN SIZE WEIGHING INDICATOR 5-5-4. External Input Check Mode Connect external input on the screen show “1”, “2”, “3”, “4”. 5-5-5. Analog Output (4~20mA, 0~10V) Check Mode Analog output simulation : 0(4mV,0V)~20(20mV,10V) Whenever you press key, display will be switched minimum or maximum value.
  • Page 38 SI 460A DIN SIZE WEIGHING INDICATOR 5-5-7. Serial I/F Check Mode (Additional Port) Connect with PC or other devices through serial interface and check the transference and receipt. At the normal operation, LED will blink one time. If you press any key except “F”, testing protocol will be transferred.
  • Page 39 SI 460A DIN SIZE WEIGHING INDICATOR INTERFACE 6-1. Serial Interface 6-1-1. RS – 422 32 pcs of Indicators are connectable. 6-1-2. RS – 485 32 pcs of Indicators are connectable. - 39 -...
  • Page 40 SI 460A DIN SIZE WEIGHING INDICATOR 6-1-3. RS – 232 (상단 옵션단자) Serial communication interface is sensitive to electric noise. Install isolated place from Power cable or other electric cables and wires, and please use shielded cable for better performance.
  • Page 41 SI 460A DIN SIZE WEIGHING INDICATOR 6-1-4. Data Format 1. Data Format1 : ID Number is not be transferred. (Refer F-function 305-00) -19byte Header1 Header2 OL : OVER LOAD NT : NET-WEIGHT(Tare is not set) ST : STEADY GS : when setting TARE US : UNSTEADY 2.
  • Page 42 SI 460A DIN SIZE WEIGHING INDICATOR 3. Data Format3 : ID Number + State (Refer F-function 101, 305-02) -17byte Fixed byte Fixed byte Header1 Header2 O : OVER G : Gross weight S : STEADY N : Net weight U : UNSTABLE 4.
  • Page 43 SI 460A DIN SIZE WEIGHING INDICATOR 6-1-5. Command Mode (F32-01 setting) Under “Command Mode”, Indicator will recognize the receipt of Order based on 02h(STX) and 03h(ETX) signal, and transfers 06h(ACK), 15h(NAK). Error Code 1 (31h) Check-Sum Error 4 (34h) Excess of write data’s...
  • Page 44 SI 460A DIN SIZE WEIGHING INDICATOR 6-1-8. Read Command Detail Current Weight ASCII : STX ID(2byte) RCWT ETX HEX : 02 30 31 52 43 57 54 03 STX ID RCWT State1(1byte) State2(1byte) P decimal point(1byte) +/- (1byte) Current weight(7byte) Weight unit(2byte) ETX...
  • Page 45 SI 460A DIN SIZE WEIGHING INDICATOR Grand Total data ASCII : STX ID(2byte) RGRD ETX HEX : 02 30 31 52 47 52 44 03 STX ID RGRD P decimal point(1byte) the no. of weighing (6byte) Response Accumulated weight(10byte) unit(2byte) ETX Ex) the no.
  • Page 46 SI 460A DIN SIZE WEIGHING INDICATOR 6-1-9. Write Command Detail Zero (same as “ZERO” key) ASCII : STX ID(2byte) WZER ETX HEX : 02 30 31 57 5A 45 52 03 Response Normal : STX ID ACK ETX Error : STX ID NAK ETX...
  • Page 47 SI 460A DIN SIZE WEIGHING INDICATOR Time Setting ASCII : STX ID(2byte) WTIM time(6byte) ETX 예)12:00:00 Response Normal : STX ID ACK ETX Error : STX ID NAK ETX How to Calculate Check sum Sum the value from “STX” to “ETX” and converts to ASCII(2byte) and transfer.
  • Page 48 SI 460A DIN SIZE WEIGHING INDICATOR 6-1-10. Modbus Memory Map - RO : Read Only - RW : Read Write - Each P/N’s set point can’t over max capacity of Indicator. ex)35.00kg = 3,500 (0xDAC) - When you input date and time, it should be 6digit.
  • Page 49 6-1-11. Modbus Memory Register (1) Digital Input Register (Address : 17, Length : 2) Digital input data is indicated by 16bit. INPUT_1 INPUT_2 INPUT_3 INPUT_4 (2) Lamp Register (Address : 19, Length : 2) Lamp data is indicated by 32bit. Steady Zero Tare...
  • Page 50 SI 460A DIN SIZE WEIGHING CONTROLER 6-2. Analogue I-Output Interface : 4~20mA (Option) This output card converts weight value to Analog output signal (4~20mA) and transfers to external devices(Recorder, P.L.C), controlled by voltage output. 6-2-1. Specification Output Current Output Range :2~22㎃ (Default : 4~20㎃)
  • Page 51 SI 460A DIN SIZE WEIGHING CONTROLER 6-3. Analog V-Output Interface :0~10V (Option) This output card converts weight value to Analog output signal (0~10V) and transfers to external devices(Recorder, P.L.C), controlled by voltage output. 6-3-1. Specification Output Voltage 0~10V DC output...
  • Page 52 SI 460A DIN SIZE WEIGHING CONTROLER 6-4 Serial Print (F-function 303 or 310-02 setting) – RS-232 Serial Interface. It can be connected with all kinds of Serial interface printer, but the printing format is already programmed and fixed with SE7200/7300 model.
  • Page 53 SI 460A DIN SIZE WEIGHING CONTROLER 7. Error & Treatment 7-1. Load Cell Installation Error Cause Treatment Remarks 1) Load cell broken 1. Input Resistance of 2) Load cell isolation 1) Measure “EXC+” and “EXC-“ is resistance error input/output resistance about 400Ω...
  • Page 54 SI 460A DIN SIZE WEIGHING CONTROLER 7-2. Calibration Process Display Cause Treatment Re-input the Max Capacity, less than When Max capacity/digit value is over Eerr01 20.00 20,000 (Max Capacity / Digit) Standard weight value is over than Max Re-input Standard weight value with...
  • Page 55 SI 460A DIN SIZE WEIGHING CONTROLER 7-3. Digital Weighing Indicator Display Cause Treatment 1. Under “TEST” mode 1, check analogue 1. Load cell Error value. If you cannot get any analogue 2. Load cell cable Error value or there is no change although 3.Load cell connection Error...
  • Page 56 SI 460A DIN SIZE WEIGHING CONTROLER 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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