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Sewhacnm SI 460A User Manual

Digital indicator
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SI 460A
DIGITAL INDICATOR
USER MANUAL
MANUAL Ver 3.02
PROGRAM Ver 3.01
1
ED. 3.00DT180115

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Summary of Contents for Sewhacnm SI 460A

  • Page 1 SI 460A DIGITAL INDICATOR USER MANUAL MANUAL Ver 3.02 PROGRAM Ver 3.01 ED. 3.00DT180115...
  • Page 2 CONTENTS 1. Before Installation ........................... 3 2. Introduction ............................. 4 2-1. Introduction............................4 2-2. Feature..............................4 2-3. Components ............................4 3. Specification ............................. 5 3-1. Specification ............................5 3-2. Front ..............................6 3-3. Rear Panel ............................. 8 4. INSTALLATION ............................9 4-1.

  • Page 3: Before Installation

    This manual may be changed as the version is upgraded, without previous notice. 1-3. Inquiries If you have any kinds of inquiries for this model, please contact your local agent or Head Office. 1) Head office : SEWHACNM CO., LTD. 2) Website : http://www.sewhacnm.co.kr 3) Email : sales@sewhacnm.co.kr 4) Tel: +82 32 624 0060 ED.
  • Page 4 “SI460A” weighing indicator. 2-2. Feature 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. 3) RS422, RS485 serial interface and Modbus(RTU) is standard installed.

  • Page 5: Specification

    3. Specification 3-1. Specification Content Specification Display Resolution 1/20,000 Internal Resolution 1/2,000,000 (±1,000,000) Input Sensitivity Min 0.1µV/V Load cell Max Signal Input Voltage Max 3.2mV/V input Analog Load cell Excitation DC +5V signal A/D Conversion Method Sigma-Delta Decimal Point 0, 0.0, 0.00, 0.000 Digital Zero 10PPM/℃...
  • Page 6 3-2. Front 3-2-1. Display and key pad ① ① Display 1 : Number/word display 6 digits red FND ② Condition(lamp) STEADY : When the weight is stable, ON. ZERO : When the current weight is zero, ON. TARE : When the “TARE” function is set, ON. HOLD : When the “Hold”...

  • Page 7: Key Operation

    3-2-2. Key operation - Make weight value to Zero. - Cancel the value or Undo - Set the TARE Function 1st input : “TARE”, 2nd input : “TARE Reset” (When “HOLD” or weight value is ZERO, then this key doesn’t work.) - Moving the cursor to left.

  • Page 8: Rear Panel

    3-3. Rear Panel ① ② ③ ④ ① DC / AC(option) Power Input : +(DC12~24V), -(GND), E(EARTH) ② External Input : Zero Voltage Point ③ Serial Interface Terminal (RS422/485) ④ Load Cell Terminal Please check the Comm. and other specification in the label, attached on the cover plate first, and make connection according to that information.

  • Page 9: Installation

    4. INSTALLATION 4-1. External Dimension (Unit: mm) 4-2. Cutting Size (Unit: mm) ED. 3.00DT180115...

  • Page 10: Load Cell Installation

    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.) EXC+ EXC- SIG+ Blue SIG- Yellw SHELD 1. Under Set-up the Load cell, if EXC+ and EXC- have a short circuit, It may cause damage in the indicator.

  • Page 11: External Output

    4-4. External Output Each output relay function can be changed on Function number 233~236. Connected with zero voltage point Terminal component - Top, Bottom - COM : Input common terminal(V+ : 12V DC) - Ⅰ1~Ⅰ4 : Input signal(Output relay: zero voltage point –relay or switch signal) 4-5.
  • Page 12 4-5-2. RS485 RS485 interface is strong for electrical noise, and it is available for below 1km distance. The RS485 is half-duplex communication, it has slower speed than RS422. But, RS485 can connect to external equipment such as PC, PLC, printer or etc with multiple use.
  • Page 13 5. SET UP 5-1. Calibration Calibration is the process of adjusting weight balance between "Real Weight" on the Load Cell and "Displayed weight of Indicator". When you replace Load Cell or Indicator, you have to do Calibration process once again. When entering calibration mode, Tare, Hold or Printer are reset.
  • Page 14 STEP 2. Setting “Capacity of weighing Scale” After displaying , it flickers. keys are to move. Press to set the capacity of weight. Press to move to the next. is for cancel or undo. c.f. : If user makes 50.00kg capacity (division 0.01kg), enter “50”. STEP 3.
  • Page 15 STEP 4. Measuring the “DEAD” weight of weighing scale When displayed , take away all stuff on the scale. Press key and start calibration After displayed , the indicator will calculate dead weight of scale for 10 seconds on itself. If “Er-009”...
  • Page 16 5-2 Simulation Calibration Mode(Calibrating 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 may adjust less than “Test weight Calibration”. 1/30,000 of “Simulation Calibration” is guaranteed.
  • Page 17 STEP 3. Decimal point and division setting When display shows and changes to Numbers, Make the decimal point with key. Press to set. Press to move to the next. is for cancel or undo. - Enable to set up decimal point up to 3, and set up division value out of (1, 2, 5, 10, 20, 50).
  • Page 18 STEP 6. Max. Capacity of Load Cells (Rated Output Voltage/mV) MODEL: xxxxx When displayed CAPA: 15kg Enter the max. capacity output of Load Cell (mV/V) or R.O: 1.429mV/V the value stated on report with arrow-buttons. S/N : xxxxxxx After saved with , formatted-value is shown.

  • Page 19: F-Function Setting

    5-3. F-FUNCTION Setting This function helps conditions to work in appropriate methods for any situation. 5-3-1. Starting F-FUNCTION Mode 1) Press 4 times within 3secs. 2) When displayed , press ① Enter ‘Function Code’ with arrow buttons, and press to move. ②...

  • Page 20: F-Function List

    5-3-2. F-Function List Subject Default Content Equipment No. setting 01~99 (ID No.) Weight–back up mode 00 : Normal mode 01 : Weight back up mode(Zero) 02 : Weight back up mode(Zero & Tare) Weighing data save method 00 : Manual: Whenever “Print” key input 01 : Auto: At every steady states 02 : Auto: At the first steady states (Under empty range)
  • Page 21 Subject Default Content Display Up-Date Speed 01: 1 time/seconds 02: 2 time/seconds 03: 3 time/seconds 04:6 time/seconds 05:10 time/seconds 06: 15 time/seconds 07: 20 time/seconds 08: 30 time/seconds 09: 60 time/seconds Buzzer sound 00:Buzzer sound (External input detection) 01:No Buzzer sound Weight unit 00: kg 01: g...
  • Page 22 Subject Default Content Tare Delay Time 00: Disuse 01~10:Use (Unit:1sec.) Tare Removal Timing 00: Manual 01: Auto at empty range 02: Auto at steady condition Auto Tare Removal Time 00 : Disuse 01~09 : Use (Unit : 1 sec) Hold Mode 00: Sample Hold 01: Peak Hold, 02: Average Hold...
  • Page 23 Subject Default Content Serial communication 00: 2,400bps 05: 28,800bps speed 01: 4,800bps 06: 38,400bps 02: 9,600bps 07: 57,600bps 03: 14,400bps 08: 76,800bps 04: 19,200bps 09: 115,200bps Communication mode 00: Simplex / Stream Mode 01: Duplex / Command Mode 02:Print Mode 03:Modbus(RTU) Port 1 “Check-Sum”...

  • Page 24: Hidden Function

    5-3-3. Hidden function ※ How to enter hidden function mode ① Press Key during 4sec and input. ② When is displayed, input password. (Default password : 1111( ③ When display shows, press key. ④ Cancel or move to previous step by key.

  • Page 25: Test Mode

    5-4. Test mode Disconnected all indicator and equipment when do the test mode. Press the key 4 times sequentially. Display shows Enter the test mode 1, press key. Enter the test mode 2, press key. Display shows it entered test mode.. How to enter User can check indicators conditions use the below keys.
  • Page 26 5-4-1. Deviation of Load cell input value check mode Press the key in the test mode 1, then displayed actual converted digital value. In this condition, press key then adjusted the digital value as put some load on the loadcell, loaded value is displayed. This test mode is that check deviation of actual converted digital value.
  • Page 27 5-4-4. External Input Check Mode In test mode 2, press , display shows Connected with external input terminal(Ⅰ1 or Ⅰ2) and common terminal(ⅠC), the correct external input value shows. Press , back to 5-4-5. Interface check mode 1) In test mode 2, press key, display shows.

  • Page 28: Communication Data Format

    6. Communication Data Format 6-1. Simplex (Stream mode) 6-1-1. Format 1 (Excluding ID number) – 18 byte Classification Contents Header1 (2Byte) OL : Current weight is over than max capacity weight. ST : Stable weight US : Unstable weight Header2 (2Byte) NT : NET-WEIGHT(Real weight which is excluded tare weight) GS : GROSS-WEIGHT (Under tare set, it is included real weight and tare weight.)
  • Page 29 6-1-2. Format 2 (Including ID number) – 21 byte Classification Contents ID Number (2Byte) ID Number Header1 (2Byte) OL : Current weight is over than max capacity weight. ST : Stable weight US : Unstable weight Header2 (2Byte) NT : NET-WEIGHT(Real weight which is excluded tare weight) GS : GROSS-WEIGHT (Under tare set, it is included real weight and tare weight.) Sign (1Btye)
  • Page 30 6-1-3. Format 3 (Including ID number) – 17 byte Classification Contents STX (1Byte) Start of Text ID Number (2Byte) ID Number Header1 (1Byte) OL : Current weight is over than max capacity weight. ST : Stable weight US : Unstable weight Header2 (1Byte) NT : NET-WEIGHT(Real weight which is excluded tare weight) GS : GROSS-WEIGHT...
  • Page 31 6-1-4. Format 4 (Including ID number) – 22 byte Classification Contents Header1 (2Byte) OL : Current weight is over than max capacity weight. ST : Stable weight US : Unstable weight Header2 (2Byte) NT : NET-WEIGHT(Real weight which is excluded tare weight) GS : GROSS-WEIGHT (Under tare set, it is included real weight and tare weight) ID Number (1Byte)

  • Page 32: Command Mode

    6-2. Command Mode Under “Command Mode”, Indicator will recognize the receipt of Order based on 02h(STX) and 03h(ETX) signal, and transfers 06h(ACK), 15h(NAK). 6-2-1. Read command Subject Command Length of transmission data Current Weight STX ID RCWT ETX 22 byte Current data STX ID RCWD ETX 46 byte...
  • Page 33 6-2-3. 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 Response State1 : O(Over Load) , S(Steady), U(Unsteady) State2 : N(Net weight), G(Gross weight) Ex) Steady(S), TARE not used(N), 0.000kg Indicator memory data...
  • Page 34 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. of weighing : 10 , Accumulated Weight : 10.000kg Current Time data ASCII : STX ID(2byte) RTIM ETX HEX : 02 30 31 52 54 49 4D 03...
  • Page 35 6-2-4. 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 Tare ASCII : STX ID(2Byte) WTAR ETX HEX : 02 30 31 57 54 41 52 03 Response Normal : STX ID ACK ETX Error : STX ID NAK ETX...
  • Page 36 Time setting ASCII : STX ID(2byte) WTIM time(6byte) ETX Ex) Time: 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. Convert the Sum value(HEX) to ASCII and transmit(28byte) .

  • Page 37: Modbus Memory Map

    6-3. 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. ex) 1st January 2014 = 140101 (0x22345) 15(H) : 50(M) : 17(S) = 155017 (0x25D89) - Refer the memory register for regarding Lamp, Error, Digital Input,...

  • Page 38: Digital Input Register

    6-3-2. Digital input register 1bit 2bit 3bit 4bit 5bit 6bit 7bit 8bit IN 1 IN 2 6-3-3. Lamp register 1bit 2bit 3bit 4bit 5bit 6bit 7bit 8bit Steady Zero Tare Hold 6-3-4. Error register 1bit 2bit 3bit 4bit 5bit 6bit 7bit 8bit Loadcell...

  • Page 39: Print Format

    6-4. Print format It can be connected with all kinds of Serial interface printer, but the print format is already programed and fixed with SE7200/7300 model (30column). So, you can get the right print form by connecting and using that printer. Korean (111-00) English (111-01) Continuous...

  • Page 40: Error & Treatment

    7. Error & treatment 7-1. Error & treatment during Loadcell installation Error Causing Treatment Remark 1) Load cell broken 1) Input Resistance of 2) Load cell isolation 1) Measure “EXC+” and “EXC-“ is resistance error input/output about 400Ω ±30 Weight Value is 3) Weighing part touches resistance of Load 2) Output Resistance of...

  • Page 41: Error Code

    7-2. Error code Display Cause Err-01 When Max capacity/digit value is over 20,000 Err-04 Standard weight value is over than Max Capacity Err-05 Standard weight value is less than 10% of Max Capacity Err-06 When Calibration, it is excess than maximum A/D converting value Err-07...
  • Page 42 7-3. Error and treatment Below error table show causing of error and treatment, when weighing process is not working or it cannot measure weighing due to indicator error. Display Cause Treatment 1. Under “TEST” mode 1, check 1. Load cell Error analogue value.

  • Page 43: Warranty Certification

    Warranty certification This product is passed “SEWHACNM Co., Ltd.’s strict quality test. If there is defect of manufacturing or abnormal detection within warranty period, please contact our Agent or Distributor with this Warranty certificate. Then, we will repair or replace free of charge.

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