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dacell DN-711A Instruction Manual
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dacell DN-711A Instruction Manual

Digital weighing indicator
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Digital Weighing Indicator
Instruction Manual
Model : DN-711A
DN-711P
DACELL CO.,LTD
TEL : +82-43-260-2242
FAX : +82-43-260-2242
WEBSITE: http://www.dacell.com
EMAIL : info@dacell.com

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Summary of Contents for dacell DN-711A

  • Page 1 Digital Weighing Indicator Instruction Manual Model : DN-711A DN-711P DACELL CO.,LTD TEL : +82-43-260-2242 FAX : +82-43-260-2242 WEBSITE: http://www.dacell.com EMAIL : info@dacell.com...

  • Page 2: Table Of Contents

    CONTENTS 1. Before Installation ---------------------------------- 2 Page 2. Introduction ---------------------------------- 3 Page 3. Specification ---------------------------------- 4 Page 4. Installation ---------------------------------- 11 Page 5. Set-Up ---------------------------------- 13 Page 6. Interface ---------------------------------- 32 Page 7. Error and Treatment ---------------------------------- 44 Page 1 / 47...

  • Page 3: Before Installation

    1-3. Copy Rights 1). All Right and Authority for this Manual is belonged to DACELL Co., Ltd. 2). Any kinds of copy or distribution without DACELL Co., Ltd’s permission will be prohibited. 1-4. Inquiries If you have any kinds of inquiries for this model, please contact with your local agent or Head Office.

  • Page 4: Introduction

    2. INTRODUCTION 2-1. Introduction Thank you for your choice, this “DN-711A & DN-711P” Industrial Digital Weighing Indictor. This “DN-711 Series” model is simple application usage Digital Weighing Indicator, with powerful communication performance. With serial 1port communication and High Speed A/D conversion performance will lead you to precise weighing process.

  • Page 5: Specification

    Display Resolution(External) 1/90,000 3-2. Digital Part Display Parts Specification 7Segments, 6digits 1.0 inch Red color FND DN-711A Size : 25.4(H) × 14.4(W)mm Main Display 7Segments, 6digits 1.0 inch Red color FND DN-711P Size : 14.1(H) × 8.1(W)mm Display Min. Division ×1, ×2, ×5, ×10, ×20, ×50...
  • Page 6 3-3. General Specification Power Supply DC 12V / 2A Operating Temperature Range -10℃ ~ 40℃ Operating Humidity Range Under 85% Rh (non-condensing) 230mm(W)ｘ130mm(H)ｘ97mm(L) External Dimension Net Weight(kg) About 1.0kg Gross Weight(kg) About 2.0kg 3-4. Option Card Option No.1 Serial Interface : RS422 / RS485 Option No.2 Analogue Output (4~20mA or 0~10V) Option No.3...
  • Page 7 Front Panel (Display & Key pad) – DN 711P 3-5-1. Common Status Lamp (ANNUNCIATORS) : Green Color Lamp is “ON”. Steady When the weight is Steady, Lamp is turn on. When the current weight is Zero, Lamp is turn on. Zero (Displayed weight is Zero, Lamp is turn on.) When Tare function is set, Lamp is turn on.
  • Page 8 3-5-2. Common Key Pad Function Make Weight value as Zero. Under F08, you can set the Zero key operation range, as 2%, 5%, 10%, 20% or 100% of Max. Capacity. ※ Under “Tare” key input, Zero key will not be activate within operation range.
  • Page 9 Calibration mode - Digit setting Whenever pressing “0”key, digit will be change 1, 2, 5, 10, and 50. 1. Modify the set value during setting process. 2. Calibration mode - Move back to previous step. 3. F-function setting mode - Change F-function No. F-function no.(number key) + Clear ...
  • Page 10 ※ Function Keys (Combined Key functions : key + other keys) For combined key function, you should press “CLEAR” or “ENTER” + other key within 2 sec. Time set value check or Change Date set value check or Change Sub-total Date Delete Grand-total Data Delete Key Tare function activated.
  • Page 11 3-6. Rear Panel ① POWER -Power : DC 12V / 2A Adaptor -EXC + (+5V) PIN 1 (RED) ② LOAD CELL -EXC - (-5V) PIN 2 (WHITE) -SIG+ PIN 3 (BLUE or Black) CONNECTOR -SIG- PIN 4 (GREEN) (N-16) -SHIELD PIN 5 (SHEILD) (RXD), (TXD),...

  • Page 12: Installation

    4. INSTALLATION 4-1. External Dimension & Cutting Size (External Dimension) (unit : mm) Cutting Size 11 / 47...
  • Page 13 4-2. Formula to plan the precise weighing system This “DN-711 Series” weighing controller’s Max. input sensitivity is 0.45㎶ / 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 Cautions 1digit.

  • Page 14: Set-Up

    Chapter 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. Test Weight Calibration (span Calibration) – Mode 1. Prepare at least 10% of Max.
  • Page 15 2-3. Under display, if press a keypad No. 2, it will be change the section 2. And, if press a keypad No. 3 or 4 or 1, it will be change the section 3 or 4 or 1. Then press key, and move to next step.”...
  • Page 16 Input Capacity and press key, and move to next step. ※ Caution (Max. capacity value / division value) cannot be over 90,000(as Indicator resolution is 1/90,000). CAL _0_ Step 5. Zero Balance setting ( display) Make empty the scale part, and press key.
  • Page 17 5-3. Simulation Calibration Mode (Without Test Weight) – Mode 2. - This calibration Method will be useful to make calibration more than 10ton capacity setting. - Guaranteed resolution will be 1/5,000 and if you need higher resolution, please make calibration with Test weight. Step 1.
  • Page 18 CAPA XXXXXX Step 3. Max. Capacity of Load cell (  display) Input Max. Capacity of Scale with No. keys. - Under this step, input Total sum of each load cell’s Max. Capacity. (Not weighing Scale) - The Max. Capacity of load cell is stated on “Test report” or “Label”. - If you installed 4 load cells, and each load cell’s Max.
  • Page 19 Step 5. Input Max. Output Rate (mV/V) value of load cell Input Max. Output Rate(mV/V) value of load cell with No. keys. - Under this step, input Max. Output rate(mV) of load cell. - If you installed a few pieces of load cells, the connection will be parallel, so the rated output of a few load cells are as same as single load cell’s rated output.
  • Page 20 5-4. Function Setting – Mode 1. To make more accuracy performance of Digital Weighing Indicator, through this Function setting. Step 1. Enter to Function setting mode. TEST  Pressing + pressing display SET-CAL key  Press display Press key to start “F-function Mode”. 19 / 47...
  • Page 21 Step 2. Change the F-Function No. To change the F-function No., press key. whenever pressing key, Function No. will be changed If you want to move certain function No. directly, press function No. with keypad and press key. Step 3. Change the Set value. Input new set value with keypad, and press key to save new setting.
  • Page 22 5-4. Common Function List Function Contents Remark Decimal point setting Setting range : 0~3 Back up mode selection Setting range : 0, 1 Motion Band setting Setting range : 0~9 Zero Tracking setting Setting range : 0~9 Auto Zero Range setting Setting range : 00~99 Digital Filter setting Setting range : 00~49...
  • Page 23 UART2 Transferred Data Format Setting range : 0~2 (RS-422/485 Option) UART2 Data Transference count setting Setting range : 0~6 (RS-422/485 Option) Weight Unit Selection (Printer) Setting range : 0~2 When Automatically print, Data output selection Setting range : 0, 1 Positive or Negative number Printing Select Setting range : 0~2 Print format selection...
  • Page 24 5-5. Function List detailed information. Decimal Point Setting ● No Decimal point place under Zero (0.0) place under Zero (0.00) place under Zero (0.000) Back up mode selection ● Normal mode Back up mode Motion Band Range setting This is set “Steady” acceptable range of weighing part. If there is vibration on weighing part, you can set this function and reduce the vibration effect on weighing process.
  • Page 25 Zero /Tare key Operation mode selection ● Activate when “Steady” condition, only Always activated 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 100% of Max.
  • Page 26 Code Grand-Total Delete Enter to Set. Cal Front F2 Function Key setting ● Hold Serial No. Zero Print Tare Time setting Tare Reset Date setting Part No. Sub-Total Delete Code Grand-Total Delete Enter to Set. Cal Front F3 Function Key setting ●...
  • Page 27 Serial I/F Communication Speed selection - UART 1(RS-232C Standard) 115,200 bps 76,800 bps 57,600 bps 38,400 bps 28,800 bps 19,200 bps 14,400 bps ● 9,600 bps 4,800 bps 2,400 bps Serial I/F Communication Mode setting (Under F33-00 setting, only) - UART 1(RS-232C Standard) ●...
  • Page 28 Data Transference Count setting - UART 1(RS-232C Standard) About 40times/sec About 30times/sec About 20times/sec ● About 15times/sec About 10times/sec About 5times/sec About 3times/sec Parity Bit selection Mode – UART 2(RS-422/485 Option) ● No Parity Odd Parity Even Parity Serial Communication Speed selection – UART 2(RS-422/485 Option) 115,200bps 76,800bps 57,600bps...
  • Page 29 Not Use LCD Mode Not Use Not Use Transferred Data Format– UART 2(RS-422/485 Option) ● Format 1. Format 2. (Format 1 + time) Format 3. Data Transference count setting – UART 2(RS-422/485 Option) About 40times/sec About 30times/sec About 20times/sec ● About 15times/sec About 10times/sec About 5times/sec...
  • Page 30 Serial Printer Setting Weight Unit selection (Printer) ● When Automatically print, Data output selection When weight reached Empty Range(F80 set value), Automatically ● print. - Check Empty Range Over than Empty Range, Steady Lamp is “ON”, Automatically Print. - Will not check Empty Range When Automatically print, Data output selection When weight reached Empty Range(F80 set value), Automatically ●...
  • Page 31 Printing Language Selection ● KOREAN ENGLISH Print Delay time Setting 00 : No Delay time ∫ 0.1~9.9 : 9.9sec later, print output Steady LED Status Lamp Delay time setting 00 setting : No delay for the Steady LED lamp ∫ 0.1~9.9 setting : Delay during 9.9sec, and LED lamp will be ON.
  • Page 32 Other Setting EMPTY Range setting You can set “EMPTY” Range. Within set range, indicator will not display current weight and just display “Zero”. X.X.X.X.X.X. (0.0.0.0.1.0) “0.000” setting : When Net Zero, “Zero” status lamp and Near Zero relay will be output. “0.190”...
  • Page 33 Chapter 6. Interface 1. Rs-232C (Standard Installed) 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. 1-1. Connection Pin2(RXD) ----------------- Pin3 TXD Pin3(TXD) ----------------- Pin2 RXD Pin5(GND) ---------------- Pin5 GND DN-711 Series Indicator PC(D-Sub 9Pin)
  • Page 34 1-3. Data Protocol (Data Format 1. – Total 18byte) Header1 Header2 Data(8) unit ▶ Header 1 - OL : OVER LOAD or UNDER LOAD - ST : Weight Stable - US : Weight Unstable ▶ Header 2 - NT : Net Weight (Without TARE Weight) - GS : Gross Weight (With TARE Weight) ▶...
  • Page 35 2. Current Loop Interface (Standard installed) “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). 2-1. Connection Pin6(C/L) --------------------- RXD Pin7(C/L) --------------------- GND DN-711 Series Indicator Remote Display 2-2.
  • Page 36 3. Rs-422 Serial Interface (Option) 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 37 ▶ COMMAND MODE 1. READ COMMAND [Start(STX ), End(ETX ), Succeed(ACK ), Failed(NAK RxD & TxD Transfer & Response display Command PCIndicator (ASCII) Format (HEX) Date Data Response (ASCII) from (HEX) Indicator PCIndicator (ASCII) Format (HEX) Time Data Response (ASCII) from (HEX) Indicator...
  • Page 38 PCIndicator (ASCII) Format (HEX) Response (ASCII) from Current Indicator Weight value (HEX) Remark STX(1) ID(2) Command(4) Status1(2) Status2(2) Symbol(1) Weight (Include decimal point)(7) Unit(2) ACK(1) ETX(1) = Total 23 BYTE PCIndicator (ASCII) Format (HEX) Response (ASCII) Sub-Total from (HEX) Data Indicator Remark STX(1) ID(2) Command(4) P/N(2) Code(6) Sub-Total times(6)
  • Page 39 WRITE COMMAND [Start(STX ), End(ETX ), Succeed(ACK ), Failed(NAK RxD & TxD Transfer & Response display Command PCIndicator (ASCII) Format (HEX) TARE input Response (ASCII) from (HEX) Indicator PCIndicator (ASCII) Format (HEX) TARE RESET Response (ASCII) from (HEX) Indicator PCIndicator (ASCII) (HEX) Format...
  • Page 40 PCIndicator (ASCII) Format (HEX) Remark STX(1) ID(2) Command(4) Time(6) ETX(1) Time setting Response (ASCII) from (HEX) Indicator PCIndicator (ASCII) Format (HEX) Serial No. Remark STX(1) ID(2) Command(4) S/N(6) ETX(1) Change Response (ASCII) from (HEX) Indicator PCIndicator (ASCII) Format (HEX) Part No. Remark STX(1) ID(2) Command(4) P/N (2) ETX(1) Change...
  • Page 41 4. Analogue Output (0~10V / Option) 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. 4-1. Specification - Output Valtage : 0~10V DC output - Accuracy : More than 1/1,000 ※As we convert Digital signal(1/30,000 accuracy) to Analogue, so the accuracy will be lower than Digital signal 4-2.
  • Page 42 5. Analogue Output (4~20mA / Option) This Option card converts weight value to Analog Voltage output(4~20mA) and transfers to external devices(Recorder, P.L.C), controlled by voltage output. 5-1. Specification - Output Voltage : 4~20mA output (Max.2~22mA) - Accuracy : More than 1/1,000 - Temperature Coefficient : 0.01%/℃...
  • Page 43 6. Serial Printer Interface (Standard). This interface can be connected all kinds of serial interface installed printer devices. But, programmed print format is specialized with our serial printer only. So, if you use different model, the format can be changed or not printed. 8-1.
  • Page 44 7. Serial Print Format Single Continuous Print Print Format Format Sub-Total Print Format Grand Total Print Format 43 / 47...
  • Page 45 Chapter 7. Error and Treatment 1. TEST Mode TEST Mode No. Contents Detail information TEST 1. Analogue TEST mode This mode is Analogue testing This mode is Keypad testing or Analogue Option Card Test (4~20mA or 0~10v) Keypad TEST mode - No.1 key : 4mA / 0V output TEST 2.
  • Page 46 2. Error and Treatment 2-1. Load Cell Installation Error Cause Treatment Remark 1).Input Resistance 1). Load cell broken of “EX+” and “EX- Measure Load cell “ about input/output resistance 350Ω~450Ω. isolation of Load cell. resistance error 3). Weighing part Output Weight Value is 2).
  • Page 47 2-2. Calibration Process Error Cause Treatment When Max. capacity/digit Re-input the Max. Capacity, less than 30,000 Err 01 value is over 90,000 (Max. Capacity / Digit) Standard weight value is Re-input Standard weight value with Number Err 04 over than Max. Capacity keys, under Max.

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