A&D AD-8923-BCD Instruction Manual
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A&D AD-8923-BCD Instruction Manual

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1WMPD4002137C

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Summary of Contents for A&D AD-8923-BCD

  • Page 1 1WMPD4002137C...
  • Page 2 © 2013 A&D Company Ltd. All rights reserved. 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 Ltd. 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

    2.1. Display ..............................6 2.2. Keys ..............................6 2.3. Connectors ............................6 CONNECTION ......................... 7 3.1. Setting the weighing instrument and the AD-8923-BCD ..............7 3.2. Connecting the cables ......................... 7 3.3. Turning the power on ........................... 8 3.4. Operation ............................10 3.5.

  • Page 4: Introduction

    1. INTRODUCTION This manual describes how the AD-8923-BCD remote controller works and how to get the most out of it in terms of performance. Read this manual thoroughly before using the AD-8923-BCD and keep it at hand for future reference.

  • Page 5: Description Of Each Part

    RS-232C connector (D-Sub 9-pin) Rear View AC adapter 1 pc. Note When the AD-8923-BCD is to be built into a weighing system, be sure to ground the FG AD adapter ID label terminal. Please confirm that the AC adapter type is...

  • Page 6: Display

    Displays the weight data received. When the unit is “g” (gram), the unit indicator turns on. If the balance outputs RS-232C weighing data that exceeds six digits, the AD-8923-BCD does not display the high- end digits (2 highest digits for an 8 digit display). The BCD data is output.

  • Page 7: Connection

    3. CONNECTION 3.1. Setting the weighing instrument and the AD-8923-BCD Set the following items so that the weighing instrument and the AD-8923-BCD have the same value for each item. Item Weighing instrument AD-8923-BCD Baud rate 600, 1200, 2400*, 4800, 9600, 19200 bps...

  • Page 8: Turning The Power On

    Compatible models: AD-4212C/D/F, FZ, FX, GX-A, GF-A, GX-M, GF-M, GX-L, GF-L, HR-AZ, HR-A When the external 24-VDC power supply is used Connect an external 24-VDC power supply to the DC input terminal located on the rear of the AD-8923-BCD. Precautions on using the external power supply CAUTION Use a power supply within the rated voltage range (24 VDC±10%).
  • Page 9 Cable connection CAUTION Before inserting the power line, make sure that the power to the AD-8923-BCD is turned off. DC input terminal (1) Inserting the power line Press down the release button on the DC AD-8923-BCD rear input terminal using a screwdriver and insert the power line.

  • Page 10: Operation

    3.4. Operation Displays the data transmitted by the weighing instrument connected. The keys on the AD-8923-BCD can control the weighing instrument. The key operation depends on the weighing instrument connected. For details, refer to “Table 2” of “8.1. Applicable Instruments”.
  • Page 11 Sensitivity adjustment procedure Performs sensitivity adjustment with the AD-4212C using the external weight. Operation 1. Warm up the AD-4212C for 30 minutes or more with nothing on the pan. RESPONSE STABLE FAST MID. SLOW Press 2. Press the CAL key. is displayed.

  • Page 12: Function Setting

    4. FUNCTION SETTING Function setting specifies the AD-8923-BCD performance. The parameters are stored in non-volatile memory, and are maintained even if the power line or AC adapter is removed. The function setting menu consists of two layers. The first layer is the “Class” and the second layer is the “Item”.

  • Page 13: Display And Keys

    4.1. Display and keys The STABLE indicator turns on to indicate that the parameter displayed is in effect. Selects a class or item. Changes the parameter. When a class is displayed, moves to an item in the class. When an item is displayed, stores the new parameter and displays the next class. When an item is displayed, cancels the new parameter and displays the next class.

  • Page 14: Initializing The Ad-8923-Bcd

    4.3. Initializing the AD-8923-BCD Initialization restores the function settings of the AD-8923-BCD to factory settings. Operation 1. Turn the power on. or weighing mode display appears. While ON:OFF holding down 2. While holding down the ON:OFF key, press the PRINT...

  • Page 15: Rs-232C Connector

    Input Used internally (Va) Used internally − Inch screw (The AD-8923-BCD is a DTE device. Connect (#4-40UNC) to a DCE device such as the weighing instruments, using a straight through cable.) To the weighing instrument Note When the user prepares a cable, do not connect to the pins that are used internally.

  • Page 16: Bcd Output Connector

    6. BCD OUTPUT CONNECTOR Outputs the weighing data received from the weighing instrument in BCD format, along with the polarity (+/-) and the data status (stable/unstable and over (E display)). Using the STROBE signal, the data can be read easily. BUSY input enables the data to be held or prevents data refreshing during the reading operation.
  • Page 17 When a switch is used 5, 9, 7 pin Input signal GND Housing (Cable shield) When a photocoupler is used Input terminal 5, 9, 7 pin 4.7kΩ RE-ZERO, ON/OFF, BUSY Input signal GND Input signal GND (Upon switch-ON, make the voltage Balance interior between the input terminal and the input signal GND terminal 0.2V or less)
  • Page 18 Flow chart for inputting data When inputting BCD data, follow the flow chart listed below. START Strobe change from ON to OFF 5msec after Input BCD data...

  • Page 19: Fixing Of The Decimal Point Position

    6.2. Fixing of the Decimal Point Position The AD-8923-BCD can set the display digit and the BCD output digit by setting of the function. When fixing the decimal point position, the BCD output digit does not change if changing the minimum display digit by pressing the SAMPLE key.

  • Page 20: Troubleshooting

    7. TROUBLESHOOTING Symptom Description Communication settings of the AD-8923-BCD do not match with those of the weighing instrument. appears. Check the settings such as baud rate and parity and correct them as necessary. For details, refer to “3.1. Setting the weighing instrument and AD-8923-BCD”.

  • Page 21: Specifications

    8. SPECIFICATIONS Power supply : External 24-VDC power supply (24 VDC±10% / 700mA) AC adapter (Output: 12 VDC / 1A) Please confirm that the AC adapter type is correct for your local voltage and receptacle type. Transmission system : RS-232C, BCD Communications connector : D-Sub 9-pin (male) (RS-232C connector to the weighing instrument) Half pitch 50-pin (female) (BCD connector) External dimensions...

  • Page 22: Applicable Instruments

    8.1. Applicable Instruments The AD-8923-BCD functions in two ways as follows, depending on the weighing instrument used: A remote controller that displays the weighing data and remotely controls the weighing instrument. A remote display that displays the weighing data. Available key operations depend on the weighing instrument used. (Refer to “Table 2”)
  • Page 23 *1 : Switching the standby or weighing mode is available for the AD-4212C/D/F. *2 : Not available for the counting mode or percent mode. *3 : Not available for the AD-4212A/B. *4 : For weighing instruments other than AD-4212C/D/F, the AD-8923-BCD displays “ ”. Use the display on the balance.

  • Page 24: External Dimensions

    9. EXTERNAL DIMENSIONS Panel cutout dimensions when panel mounted Unit: mm...
  • Page 25 MEMO...
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  • Page 28 1. Back cover: A&D Global A&D Company, Limited 3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JAPAN Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-1566 A&D ENGINEERING, INC. 47747 Warm Springs Blvd, Fremont, California 94539, U.S.A. Tel: [1] (800) 726-3364 Weighing Support:[1] (888) 726-5931 Inspection Support:[1] (855) 332-8815 A&D INSTRUMENTS LIMITED Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United Kingdom...

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