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AND AD-4530 Instruction Manual

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AD-4530
Digital Indicator
INSTRUCTION MANUAL
1WMPD4002282B

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  • Page 1 AD-4530 Digital Indicator INSTRUCTION MANUAL 1WMPD4002282B...
  • Page 2 No part of this publication may be reproduced, transmitted, transcribed, or translated into any language in any form by any means without the written permission of A&D Company, Limited. The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice.

  • Page 3: Table Of Contents

    Operation mode ........................11 REAR PANEL........................12 5.1. Connector function......................12 5.2. Equivalent circuit figure of control input section ..............14 5.3. Attaching the connector ...................... 15 COMPONENTS AND FUNCTIONS................16 6.1. Flowchart ..........................16 6.2. Descriptions of functions..................... 17 CALIBRATION.........................18 7.1. Calibration Modes....................... 18 7.2.
  • Page 4 11. LATCH ..........................33 12. COMPARATOR FUNCTION ..................34 12.1. Detailed description of the comparator mode ..............34 12.2. Setting the upper and lower limit value ................34 12.3. Example of the comparator mode..................35 12.4. Hysteresis ........................... 35 13. ANALOG OUTPUT ......................39 13.1.

  • Page 5: Introduction

    1. INTRODUCTION Thank you for purchasing the AD-4530 Digital Indicator. This manual describes how the AD-4530 works and how to get the most out of it in terms of performance. Please read this manual completely before using the AD-4530. 1.1. Features The AD-4530 has the following features.

  • Page 6: Before Use

    When connecting long cables to the sensors, keep the cables away from power cables and other sources of electrical noise. Do not connect the AD-4530 to the power supply before installation is completed. The AD-4530 has no switch to disconnect the power supply.
  • Page 7 To avoid electrical shock, do not touch the internal part of the instrument within ten seconds after switching the power off. Be sure to fasten all the screws completely. Loose screws may come off during operation and a short circuit may occur or measurement errors may occur due to noise.

  • Page 8: Specifications

    3. SPECIFICATIONS 3.1. General specifications Number of measurement points Sensor type Strain gauge sensors (Output resistance: 10k or less) Voltage requirement 100 VAC to 240 VAC +10%, -15% (50/60 Hz) Power requirement Approx. 10 VA Sensor power supply DC5V±5%, 50 mA 120 ...

  • Page 9: Functions

    ￭ Hold function Select from sample hold, peak hold, bottom hold, or bipolar peak hold. ￭ Latch function Perform latching of the display value, comparator output, analog output and serial output using the external LATCH input. ￭ Relay output function Provides contact output of the HI, OK or LO signals.

  • Page 10: Options

    Analog output AD-4530-237: Relay output, RS-485, Analog output AD-4530-247: Relay output, RS-232C, Analog output Note: Only one option can be installed in the AD-4530 at a time. 3.3.2. Option specifications ￭ Relay output HI, OK, LO AD4530-200 AC250V or DC30V 3A (Total current 5A)
  • Page 11 3.3.3. Installing an option 1. Remove the two screws that secure the guide rail, and then remove the guide rail. 2. Remove the two screws that secure the case. 3. Pull the case out from the front panel (holding it as shown).

  • Page 12: Front Panel

    Turns on when the measured value is greater than the upper limit (HI). Turns on when the measured value is equal to or greater than the lower limit and equal to or less than the upper limit. Turns on when the measured value is less than the lower limit (LO).

  • Page 13: Keys

    4.4. Operation mode - Upper / lower limit setting mode Use this mode to set the upper and lower limit of the comparator. - Calibration mode Use this mode to perform zero and span calibration with an actual load.

  • Page 14: Rear Panel

    Load cell / Control input Confirm the terminal numbers when making connections. When making connections, confirm the terminal numbers printed on the side of the terminal block and on the top of the indicator casing. 5.1. Connector function 5.1.1 AC input connector (1) AC Connect the AC power cord.
  • Page 15 (3) SG Signal ground terminal (4) B B terminal (5) A A terminal * Each of the A and B connections has two terminals. These terminals are connected internally and can be used for a terminating resistor or multi-drop connection.

  • Page 16: Equivalent Circuit Figure Of Control Input Section

    AD-4530 inner side Keep each ON and OFF time for 100 ms or more TTL open collector output * The circuits of (8) HOLD and (9) ZERO are the same as the circuit of (7) LATCH. CAUTION ！ When connecting the input terminal: Select a switching element of the non-voltage input type, such as a mechanical contact or semiconductor switch.

  • Page 17: Attaching The Connector

    5.3. Attaching the connector Wire size 12 to 24 (AWG) Stripping length 6 to 7 mm Tightening torque 0.5 to 0.6 Nm Connector Flat-head screwdriver...

  • Page 18: Components And Functions

    6. COMPONENTS AND FUNCTIONS The following flowchart shows how the functions of the AD-4530 are executed. 6.1. Flowchart Input from sensor A/D conversion Key operation External input Digital filter Measured value Control Hold Latch Serial input and output D/A conversion...

  • Page 19: Descriptions Of Functions

    Select a hold mode in the function mode (f003). 6.2.4. Latch function The AD-4530 can latch the value or output, set by the function (f004), by the ON/OFF timing of the external LATCH input. The latch operation occurs after processing of the hold operation.

  • Page 20: Calibration

    The decimal point (Cf01), minimum scale value (Cf02) and rated capacity (Cf03) are set using the function mode. The zero point input voltage (Cf04), the span input voltage (Cf05) and the display value for the span input voltage (Cf06) are set using the calibration mode.
  • Page 21 Perform span calibration, and proceed to the storing mode. Cancel span calibration, and proceed to the storing mode. * After span calibration, the AD-4530 displays the mV/V value of span calibration for 3 seconds, and then proceeds to the storing mode.

  • Page 22: Calibration Errors

    7.2. Calibration Errors Display Cause Remedy Voltage at zero point calibration was Confirm the rating and connection C?e2 too far in the positive direction. of the load cell. Voltage at zero point calibration was C?e3 too far in the negative direction.

  • Page 23: Function Mode

    8. FUNCTION MODE Use the function mode to set various functions and data. The set values are saved in non-volatile memory and are maintained even if the power is switched off. 8.1. Structure of Functions The first 2 characters of the Function No. are the function group. The last 2 characters of the Function No.
  • Page 24 8.2.2. Setting changing mode (Two methods) Ｐ Parameter selection method (All digits blinking) Change the parameter. Enter the setting and return to the function selection mode. Cancel the setting and return to the function selection mode. Ｄ Digital input method (Change the blinking digit only) Move the digit to be changed to the right.

  • Page 25: Function Items

    2: Use state when the power was turned off 1: On with 2: On with Cf11 Zero operation 1 to 3 3: On by pressing and holding more than 1 second * In all settings: When it is on, off with Cf12 Zero of the 1: On / Off depends on the I/O input.
  • Page 26 *If you want to confirm the measured value when setting the digital filter (f002), press the key. When the measured value is displayed, the LED blinks and the display can be set to zero by pressing the key. Press the...
  • Page 27 8.3.3. Comparator Function No. Default value Function Description Setting range Setting type f101 0000 Upper limit Upper limit value of comparator. -9999 to value Decimal point position depends on Cf01. 9999 f102 0000 Lower limit Lower limit value of comparator. -9999 to value Decimal point position depends on Cf01.
  • Page 28 If the initialization does not clear the error, repair is required. Cale Calibration data error. Perform calibration. C e* Calibration error. Refer to “7.2.Calibration Errors”. A setting value is out of range. Check setting values and correct if dt?e necessary.
  • Page 29 8.3.7. ASCII code (20h～7Fh) Hexadecimal 00 09 0A 0B 0C 0D 0E " & < > ＼ 20 SP is space 7F DL is DEL...

  • Page 30: Digital Zero (Dz)

    LED turns on. 9.1. Operating by key When the key is pressed, the display is set to zero, and the DZ function is turned on. If you want to turn the DZ function off, press the keys. * The operating procedure depends on the setting of (Cf11).

  • Page 31: Power On Zero

    9.4. Power On Zero Select the digital zero for when the power is turned on. (Cf10) 0: Digital zero off Measurement is based on the zero point of the calibration. Use with the measurement of an absolute value such as force measurement. 1: Perform digital zero again Measurement is based on the zero point when the power is turned on.

  • Page 32: Hold Function

    10. HOLD FUNCTION The AD-4530 has four hold modes: sample hold, peak hold, bottom hold and bipolar peak hold. A hold mode can be selected in the function mode (f003). 10.1. Basic function Start the hold function by pressing the key, setting the hold terminal of the external input to on, or a serial communication command.

  • Page 33: Hold Modes

    10.5. Hold Modes 10.5.1. Sample hold mode Holds the display and output when receiving a hold input. Sensor input Displayed value ＨＯＬＤ key During the holding operation, ＨＯＬＤ turns on. External hold input 10.5.2. Peak hold mode Holds the peak value when receiving a hold input.
  • Page 34 10.5.3. Bottom hold mode Holds the bottom value when receiving a hold input. Sensor input Displayed value ＨＯＬＤ key External hold input During the holding operation, ＨＯＬＤ turns on. 10.5.4. Bipolar peak hold mode Holds the absolute peak value when receiving a hold input. Sensor input Displayed value ＨＯＬＤ...

  • Page 35: Latch

    11. LATCH The AD-4530 can latch the value and output that are set by the function (f004) in response to the external latch input. With regard to the output, first the hold operation is processed, then the latch operation. Sensor input Output value During the latching operation.

  • Page 36: Comparator Function

    Upper limit and lower limit values can be negative. For example, if the upper limit value is -1000 and the lower limit value is -2000, HI is output for the measured value of -500 and LO is output for the measured value of -2500.

  • Page 37: Example Of The Comparator Mode

    OK output LO output 12.4. Hysteresis A hysteresis width and time is provided for the output relay on/off timing to prevent the output terminals from chattering. When the measured value exceeds the set value, the relay is turned on. If the measured value falls below the set value and it is further reduced by the hysteresis width, or if the hysteresis time has elapsed, the relay is turned off.
  • Page 38 12.4.1. Hysteresis upward 2-level judgment (f105=1) Relation between HI and OK When the measured value exceeds the set upper limit value, HI is output immediately. Even if the measured value falls below the upper limit value, OK is not output immediately. OK will be output when the measured value falls below the hysteresis width, or when the hysteresis time has been exceeded.
  • Page 39 12.4.2. Hysteresis upper/lower limit judgment (f105=2) Relation between HI and OK When the measured value exceeds the set upper limit value, HI is output immediately. Even if the measured value falls below the upper limit value, OK is not output immediately. OK will be output when the measured value falls below the hysteresis width, or when the hysteresis time has been exceeded.
  • Page 40 12.4.3. Hysteresis downward 2-level judgment (f105=3) Relation between HI and OK When the measured value falls below the set upper limit value, OK is output immediately. Even if the measured value exceeds the upper limit value, HI is not output immediately.

  • Page 41: Analog Output

    13. ANALOG OUTPUT The analog output outputs data by converting the measured value to an analog voltage DAV (0V to 10V) or an analog current DAI (4mA to 20mA). (f201 to f204) 13.1. Analog voltage DAV (0V to 10V) Output voltage ｂ...

  • Page 42: Serial Input And Output

    14. SERIAL INPUT AND OUTPUT 14.1. Data output format Normal measured value WT, ±12.34 No decimal point WT, ±01234 When over limit OL, ±99.99 When adding the instrument number @NNWT, ±12.34 (NN is the number set with f307) When adding the unit WT, ±12.34UUUUU...
  • Page 43 The query “?” function number is four characters. Command example ?F123 Response example F123,±4567 14.2.8. Function setting command Change the function setting. The function number is four characters and the polarity and setting value is four characters. Command example F123,±4567 Response example F123,±4567...

  • Page 44: Maintenance

    Cale Calibration data error. Perform calibration. C e* Calibration error. Refer to “7.2.Calibration Errors”. A setting value is out of range. Check setting values and correct if dt?e necessary. Display Cause Remedy Voltage at zero point calibration was Confirm the rating and connection of C?e2 too far in the positive direction.

  • Page 45: Checking Operation

    15.2. Checking operation To confirm the operation of the display, key switch and external input and output. Use the check mode. * The decimal point blinks to indicate that a number is being displayed, not a measured value. 15.2.1. Entering check mode (Selection mode)
  • Page 46 15.2.4. Checking A/D conversion (mV/V) Check by displaying the input voltage as mV/V. Set the display to zero. Proceed to the selection mode. (Refer to “15.2.1”) Selection mode 15.2.5. Checking DAV voltage Check the D/A output voltage in 1V steps. Increase the output voltage in 1V steps.
  • Page 47 * Fine adjustment mode The available adjustment unit is 0.001V for DAV voltage and 0.001mA for DAI current. When adjusting the 0V or 4mA, the LED blinks. When adjusting the 10V or 20mA, the LED blinks. Select the adjustment range. (The digit of the range to be adjusted blinks.)
  • Page 48 Setting value Output setting is displayed. display While this key is pressed, the data bit length, parity, stop bit and terminator of the setting is displayed. Output the data. Selection mode Proceed to the selection mode. (Refer to “15.2.1”) 15.2.9. Checking the keys Check the state of each key.
  • Page 49 15.2.11. Initialization Initialize each setting value. Functions initialized: “inif” Initialize the F functions. “iniC” Initialize the F functions and CF functions. “inia” Initialize the F functions and CF functions. Initialize DAV and DAI data.

  • Page 50: Setting List

    2: Use state when the power was turned off Zero operation: 1: On with 2: On with Cf11 1 to 3 3: On by pressing and holding more than 1 second * In all settings: When it is on, off with Zero of the I/O input: Cf12 1: On / Off depends on the I/O input.

  • Page 51: Basic Functions

    16.2. Basic Functions Function No. Description Default value User setting Setting range Disable keys: f001 0000 0: Enabled (Binary) 0000 to 1111 1: Disabled Digital filter: 0: Off 6:0.5 Hz 1:2.5 Hz 7:0.35 Hz f002 2:2.0 Hz 8:0.25 Hz 0 to 11 3:1.5 Hz 9:0.20 Hz 4:1.0 Hz...

  • Page 52: Analog

    16.4. Analog Function No. Description Default value User setting Setting range f201 0000 DAV 0V output -9999 to 9999 f202 DAV 10V output 1000 -9999 to 9999 f203 0000 DAI 4 mA output -9999 to 9999 f204 1000 DAI 20 mA output -9999 to 9999 16.5.

  • Page 53: External Dimensions

    17. EXTERNAL DIMENSIONS 94.8 44.6 A D - 4 530 ZERO HOLD PRINT HOLD MIN. 120 +0.8 Panel cutout dimensions / Separation *Maintain the intervals above when installing UNIT: mm...
  • Page 54 MEMO...
  • Page 56 3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JAPAN Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-6148 A&D ENGINEERING, INC. 1756 Automation Parkway, San Jose, California 95131, U.S.A. Telephone: [1] (408) 263-5333 Fax: [1] (408)263-0119 A&D INSTRUMENTS LIMITED Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United Kingdo Telephone: [44] (1235) 550420 Fax: [44] (1235) 550485 A&D AUSTRALASIA PTY LTD...

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