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- Page 1 DIGITAL INDICATOR USER’S MANUAL DN-300 (VER 1.0) DACELL CO.,LTD. Address : 37-9 Cheoksan 5gil ,Nami - Myeon , Seowon-Gu, Cheongju-city , Chung-Buk,Korea TEL :82-43-260-2242 FAX : 82-43-260-2245 http://www.dacell.com E-Mail : info@dacell.com...
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Page 2: Table Of Contents
CONTENTS 1. Features ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 2 1-1. Calibration Method ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 2 1-2. Comparison Output⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 2 1-3. Data Back-up ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 2 ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 2 1-4. Watch dog 2. Precautions ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 3 2-1. Precautions for Installation⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 3 2-2. Precautions for Use ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 3 3. Specification ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ 4 4. -
Page 3: Features
1. Features Thanks for using our product. Please refer to this manual or contact us if any problem occurs during the use of this product. This product is an indicator that amplifies the micro voltage signal from various sensors to display them digitally. It is mainly used to measure physical quantities of objects using a strain gage such as load cells, pressure sensors, displacement sensors, torque sensors, etc. -
Page 4: Precautions
2. Precautions Make sure to read and observe the following precautions to ensure the performance and safe use of this product. It is strictly forbidden to use this product for any other purpose of use or to attempt to make any alteration to this product. 2-1. -
Page 5: Specification
3. Specification Spec. model DN-300 1 ~ 3mV/V SIGNAL DC 0 ~ ±10V, (4 ~ 20mA option) ANALOG OUT EXCITATION Available Strain gauge type sensor (bridge 120Ω, 350Ω, 700Ω) Sensors -19999 ~ +99999 Max. Indication 24bit 1000 times/sec A/D Converter... -
Page 6: Front Panel
4. Front Panel ① Sum (A+B): Displays the sum of A, B side. (CH3) ② CH1 readings: Displays the measured value of A side. ③ CH2 readings: Displays the measured value of B side. ④ Relay status: This LED illuminates when the measured value exceeds the setting. -
Page 7: Rear Panel
5. Rear Panel To connect the wiring, check for the position and use of terminals and insert the cable completely into the lower hole of the terminal block while the upper button is being pressed. Check if any cable is missing by pulling the cable slightly. (The recommended length of cable is Φ... - Page 8 ⑪ IN2: N/A ⑫ IN3: B side External ZERO input terminal ⑬ IN4: N/A ⑭ COM: RELAY Output common terminal ⑮ RY1: CH1, LO output terminal ○ RY2: CH1, HI output terminal ○ RY3: CH2, LO output terminal ○ RY4: CH2, HI output terminal ○...
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Page 9: Wiring Diagram
6. Wiring Diagram < Wiring Diagram > < Example of External Input PLC Connection >... -
Page 10: How To Use Comparison Output Function
7. How to Use Comparison Output Function In comparison output function, there are 3 different modes such as Decision, High limit, and Low limit. It displays each setup value (comparison output) at the Relay of the rear panel. In High limit and Low limit modes, Hysteresis can be used. To set the upper limit (High) and lower limit (Low), please use the key on the front panel. -
Page 11: Setting Modes
8. Setting Modes 8-1. Type and Use of Setting Mode In Setting mode, there are 4 different types of modes such as Function mode, Digital calibration mode, Actual load calibration mode, and SPAN constant calibration mode. Measuring Mode While pressed, press key. -
Page 12: How To Set Function
8-2. Function mode (Function Setting) CH1: LOAD CELL CH2: LOAD CELL 1) How to Set Function Measuring Mode While key is pressed, press key. -
Page 13: How To Set Relay Output Value
1) How to set RELAY Output Value key: Output setting key Comparison Measuring Mode Press Low …………….. setting CH1 LO setting CH1 HI … … … … … setting CH3 HI... - Page 14 # Function mode list # Name Function Setting Default F-01 Decimal point 0, 1, 2, 3 F-02 Division 1, 2, 5, 10, 20, 50 F-03 Display filter 0.1, 0.5, 1.0, 1.5, 2.0 F-05 Comparison mode Decision, High limit, Low limit F-06 Hysteresis 0 ~ 99 F-07 CH3 DISPLAY...
- Page 15 F-02. Division (Minimum display unit setting) (Default: 1) Display data Setting Remark Displayed in 1 (0, 1, 2, 3, 4 …….) Displayed in 2 (0, 2, 4, 6, 8 …….) Setting at CH1 Displayed in 5 (0, 5, 10, 15 …….) Only applicable Displayed in 10...
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Page 16: D I G I T A L C A L I B R A T I O
CH1 - CH2 = CH3 value display Individual setting F-08. DAC capacity (Analog output value setting) (Default: 10000) Display data Setting Remark -19999 To set-up the rated capacity of analog output <Example of setting value and output> Voltage output Current Output (4 +99999 Setting (±10V) - Page 17 F-13. Force unit (Conversion Unit setting) (Default: 0) Display data Setting Remark kg.f kg/㎠ kgf × 9.8 Setting ℓb kgf × 2.2 kg/㎠ × 0.98 kg/㎠ × 0.098 NOTE) Always set up the unit you want after calibrating it into the unit of Kg. F-14.
- Page 18 8-3. Digital calibration (Calibration by sensor output value) At the time of purchasing the sensor, the rated capacity (R.C) and rated output (R.O) declared on the calibration sheet can be used for easier calibration. Measuring Mode While key is pressed, press key.
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Page 19: Actual Load Calibration
8-4. Actual load calibration This is a calibration method that applies actual load . Standard load is required. Measuring While key is pressed, press key. Displays Function mode state Displays whether sensor output is calibrated Displays actual load calibration state Displays whether CHANNEL is selected Displays rated output value input state key to enter the rated output value and then press... - Page 20 8-5. SPAN constant calibration (by S.CAL value) This is a calibration method that uses the SPAN constant calibration value recorded at the actual load calibration. It requires no standard gradation. Measuring Mode While key is pressed, press key. Displays Function mode state. Displays whether sensor output is calibrated Displays actual load calibration state Displays whether S.CAL value is calibrated...
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Page 21: Data Back-Up & Restore
8-6. DATA BACK-UP & RESTORE You can save all the set-up values of the device and then restore them to the current set-up state as per your need. ◦ DATA BACK-UP : Save the current set-up state. ◦ RESTORE : Restore the current set-up state. 1) DATA BACK-UP Measuring mode While... -
Page 22: Lock Set-Up
8-7. Lock Set-up You can prevent any accidental operation due to the unnecessary key control by Lock set-up. After finishing calibration, it is recommended to set the Lock. At the first stage, please start while the power is OFF. Related Function when Lock is set : Function related to calibration Power off While key is being press,... -
Page 23: Product Inspection
9. Product Inspection Symptom Cause Action Remark Load cell is damaged. Load cell input, output. Insulation When Display Load cell insulation Check resistance resistance trembles. resistance. Check load cell’s (Cable & Case > Indirect occurrence insulation resistance. 1000 Mohm) Check load cell’s Loadcell faulty insulation resistance. -
Page 24: Option 02 (Rs232C)
10. OPTION #Option-02 (RS232C) Since RS232C Interface is very sensitive of electric noise. So please do the wiring from AC Power and electric wires separately. Also you must use the shield calbe always Indicator Host PC TX(Transmission Data), No.3 Pin RXD(Receive Datea), No.2 Pin RX(Receive Data), No.2 Pin TXD(Transmission Data), No.3 Pin... - Page 25 6) BYTE16 : LINE FEED 8. Command mode OP-03 : Refer to RS485...
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Page 26: Option 03 (Rs485)
Option-03 (RS485) Since RS485 Interface is very sensitive of electric noise. So please do the wiring from AC Power and electric wires separately. Also you must use the shield calbe always. 1. TYPE : RS485 2. Method : Half-duplex, asynchronous method. 3. - Page 27 9. Transmission DATA form (INDICATOR -> PC) CODE BYTE1 BYTE2 BYTE3 BYTE4 BYTE5 BYTE6 BYTE7 BYTE8 ASCII CODE BYTE9 BYTE10 BYTE11 BYTE12 BYTE13 BYTE14 BYTE15 BYTE16 ASCII 1) BYTE1, BYTE2 : Fixed character (ID) 2) BYTE3 ~ BYTE5 : Device number (1 ~ 32) 3) BYTE6 : Fixed character (,) 4) BYTE7~BYTE14 : DATA 8byte (including +/-)
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