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A&D GC Series Instruction Manual

Counting scale
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1WMPD4004750

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Summary of Contents for A&D GC Series

  • Page 1 GC-3K GC-6K GC-15K GC-30K 1WMPD4004750...
  • Page 2 Note for Precautions To prevent accidents due to inappropriate handling, this manual contains the following warning signs and marks. The meanings of these warning signs and marks are as follows. Warning Definitions An imminently hazardous situation that could result in death or serious injury, if not avoided.

  • Page 3: Table Of Contents

    Contents 1. COMPLIANCE ...............................5 1.1. Compliance with FCC Rules ........................5 2. INTRODUCTION ............................5 3. OVERVIEW ..............................5 4. PRECAUTIONS FOR USE..........................6 4.1. Precautions When Installing the Scale ....................6 4.2. Precautions When Weighing ......................... 6 4.3. Precautions for Storing .......................... 6 5.
  • Page 4 13. SENSITIVITY ADJUSTMENT ........................34 13.1. Preparing for Sensitivity Adjustment ....................34 13.2. Sensitivity Adjustment Using a Weight ....................35 13.3. Correcting Gravity Acceleration ......................36 13.4. Initializing Sensitivity Adjustment Value ....................36 14. FUNCTIONS ............................... 37 14.1. Function Setting ...........................37 14.2. Function List ............................38 14.3.

  • Page 5: Compliance

    (FCC = Federal Communications Commission in the U.S.A.) Introduction Thank you for purchasing a GC series counting scale. This manual describes how the GC series counting scale works. For effective use, read this instruction manual thoroughly before using the product.

  • Page 6: Precautions For Use

    Precautions for Use 4.1. Precautions When Installing the Scale Do not touch the AC adaptor with wet hands. Doing so may cause electric shock. Do not install the scale in a location where corrosive gas or flammable gas are present. Do not apply excessive load to the cable.

  • Page 7: Unpacking

    Unpacking The following items are included in the package. Counting scale Quick start guide AC adapter USB cable (A to C) Approximately 1.5m Cushions Remove the cushions under the weighing pan (Put the cushions back under the weighing pan when transporting the scale to another place).

  • Page 8: Part Names

    Part Names Weighing pan Front panel (Refer to the next page) Power panel Power input terminal RS-232C terminal External input terminal Leveling feet (Turn so the bubble in the bubble spirit level is in the center.) Serial number Grounding terminal Bubble spirit level The scale is horizontal.
  • Page 9 Remote scale mark. Front Panel PRINT key. Mark is displayed when a remote scale is used. Data is output. TOTAL key. The total count is displayed. M+ mark. key. Mark is displayed when count data has been accumulated. The count data is added to the total. Comparator results.

  • Page 10: Installation

    Installation 1. Adjust the horizontal level of the product using the four leveling feet and bubble spirit level. Confirm that the scale is seated firmly and does not rattle (refer to “4.1. Precautions When Installing the Scale”). Leveling foot Bubble spirit level The scale is horizontal.
  • Page 11 The power input terminal cannot perform data communication. The power input terminal cannot output power. Do not connect to any device other than a power source, otherwise the product may be damaged.

  • Page 12: Basic Operation

    Basic Operation 8.1. Basic Operation of the Scale Press the ON/OFF key to turn the power on. Press the ON/OFF key again to turn the power off. Although the display can be turned off with the ON/OFF key, the internal circuit stays energized. Turn the power on without placing anything on the weighing pan.

  • Page 13: Tare Subtraction

    8.2. Tare Subtraction Tare subtraction is performed when weighing/counting with a tare (container) to subtract the weight of the tare (container) and display the net value. There are the following two ways to set the tare weight. - Weigh the actual tare weight to set: Refer to “8.2.1.

  • Page 14: Clear A Tare Weight

    8.2.3. Clear a Tare Weight There are the following two ways to clear a tare weight. Perform a Tare Subtraction at the Zero-Point 1. Remove everything from the weighing pan. 2. Press the TARE key. The tare weight is cleared and the scale displays zero. The net weight mark disappears. If the display does not show zero, press the ZERO key to make it show zero.

  • Page 15: Counting

    Counting 9.1. Prepare to Start Counting For counting, the weight per one item (unit weight) needs to be set. 1. Press the ON/OFF key to turn on the display. Or press the RESET key to initialize the previous operation. 2. Three LED lights in the unit weight panel blink and the unit weight setting is activated. This is the default status before counting.

  • Page 16: Back Up The Unit Weight

    9.2. Back Up the Unit Weight The unit weight in use is stored in the internal memory. If the unit weight is reset or the power is turned off accidentally, the memory can be brought up from “ID: 000000” as follows. 1.

  • Page 17: Unit Weight By Sample

    9.4. Unit Weight by Sample Setting With Ten Samples Tare (container) 1. Press the RESET key. The three LED lights in the unit weight panel blink. If you use a tare (container), place it on the center of weighing pan. The number of samples to place on the weighing pan 2.
  • Page 18 Desired Sample Size Tare (container) 1. Press the RESET key. The three LED lights in the unit weight panel blink. If you use a tare (container), place it on the center of weighing pan. 2. Press the SAMPLE key. The scale automatically performs tare subtraction operation with a tare (container) and displays “10pcs”...

  • Page 19: Unit Weight By Keyboard

    9.5. Unit Weight by Keyboard Tare (container) 1. Press the RESET key. The three LED lights in the unit weight panel blink. If you use a tare (container), place it on the center of the weighing pan and press the TARE key.

  • Page 20: Unit Weight By Id Number

    9.6. Unit Weight by ID Number The following explains how to call up a unit weight that is stored in internal or external memory. Set function setting to internal memory “ ” or external memory “ ” (refer to “14. Functions”).

  • Page 21: Search By Id Number

    9.6.1. Search by ID Number 1. Use the numeric keys 0 to to input the ID to call up (The figure to the right shows an example of ID: 123456). If you pressed the wrong key or want to make corrections, press the C key.

  • Page 22: Search By Item Code

    9.6.2. Search by Item Code Cursor 1. Input an item code to call up. Item code . keys : Input characters PRINT : Move the cursor to the left Character types TOTAL : Move the cursor to the right A: Upper-case alphabet a: Lower-case alphabet : Change the character type 1: Numeric digit...
  • Page 23 List of errors during memory access Display Description No Data - ID or item code entered does not exist. - The capacity of internal memory is full, and the data cannot be stored. Delete Full Data unnecessary data and free up storage space (refer to “10.2.

  • Page 24: Ais Function

    9.6.3. AIS Function AIS (Automatic Item Search) calls up a unit weight that is close to the current weighing value by searching memory. With this function, items can be individually identified. To use this function, the unit weight needs to be stored in advance. The function is usable when the unit weight is heavier than near-zero (within ±...
  • Page 25 When data that is close to weighing value is not found, the scale displays “No Data”. To re-search Make sure that the scale displays “Item Search”, and place the item on the weighing pan again. Press ENTER key, and re-search starts. With internal memory, data that has the same unit weight becomes candidates in the order it is located in internal memory.

  • Page 26: Store Unit Weight

    10. Store Unit Weight 10.1. Storing Unit Weight 1000 types of unit weight can be stored in internal memory together with 6-digit ID (selectable from 000001 to 999999). 20-letter item code (IC) is added to the ID. 1. Set up unit weight in advance to make the scale countable. Refer to “9.4.
  • Page 27 List of character types Alphabet Numeric digit (upper case) (lower case) Clear (input blank) 5. Press the ENTER key. The scale stores the ID entered and returns to counting. If a unit weight is already stored in the ID entered, the scale displays a confirmation message if it will be overwritten.

  • Page 28: Clearing A Stored Unit Weight

    10.2. Clearing a Stored Unit Weight To clear an ID data stored in internal memory, perform the following operation. Hold down the 1. Hold down the key and press the key. The scale displays “ID: 000000”. and press the - To clear specific ID data : Step 2 - To clear all ID data : Step 4...

  • Page 29: Call Up Unit Weight Together With Tare Weight

    10.3. Call Up Unit Weight Together with Tare Weight 1. Set function setting to “ ” (refer to “14. Functions”). 2. Refer to “8.2. Tare Subtraction” to set the tare. 3. With the steps described in “10.1. Storing Unit Weight”, unit weight and tare are stored together. To additionally make an ID to which unit weight has already been registered store tare, call up the ID in advance and perform step 2 and 3.

  • Page 30: Total (M+) Function

    11. Total (M+) Function 11.1. Total (M+) Function The scale can accumulate count data manually (by pressing the key) or automatically. The number of pieces accumulated and the number of additions (how many times the total was added to) can be viewed with the TOTAL key.

  • Page 31: Viewing The Total Count

    11.2. Viewing the Total Count 1. Press the TOTAL key. The scale displays the total count and the number of additions. Press the PRINT key to output the total count Total count and the number of additions. Number of additions 2.

  • Page 32: Comparator Function

    12. Comparator Function The comparator function compares the number of pieces or weight with upper limit or lower limit. The comparison result is shown in 3 phases as “LO”, “OK”, or “HI”. The buzzer can be set to ring according to the result.

  • Page 33: Comparison Relation

    12.2. Comparison Relation Comparison judgment is performed with the following formulas. Result Judgment method LED display Number of pieces < LO limit (lower limit) or weight Number of pieces < Lower limit of weighing range or weight Number of pieces LO limit (lower limit) ≤...

  • Page 34: Sensitivity Adjustment

    13. Sensitivity Adjustment For accurate weighing, perform sensitivity adjustment when the usage environment is drastically changed such as when the scale is initially installed or the installation site is changed. Also, to maintain a good performance, it is recommended that sensitivity adjustment be done regularly. 13.1.

  • Page 35: Sensitivity Adjustment Using A Weight

    13.2. Sensitivity Adjustment Using a Weight 1. The scale displays both “ ” and weight value (the value to be shown varies depending on the model). Press the ENTER key. To change the weight value, use the numeric keys Input with a keyboard to enter the value.

  • Page 36: Correcting Gravity Acceleration

    13.3. Correcting Gravity Acceleration When the scale is first used or has been moved to a different place, sensitivity adjustment needs to be performed using a weight. But if the weight for sensitivity adjustment cannot be arranged, change the gravity acceleration of your scale to the value of the area where the scale is used.

  • Page 37: Functions

    14. Functions The functions confirms or change the items that specify scale operations. Each setting value is stored even after the power is turned off. 14.1. Function Setting 1. Press the ON/OFF key to turn off the display. Hold down the 2.

  • Page 38: Function List

    14.2. Function List “◄” indicates the factory setting. F-00-X: Weight unit Select the weight unit to use. ◄ kg (the factory setting of metric model) ◄ lb (the factory setting of non-metric model) * This item is only displayed on models corresponded to this function, isn't displayed on other models. Unit weight (when “lb”...
  • Page 39 AIS function When placing a load, automatically call up a unit weight that is close to the weighed value (refer to “9.6.3. AIS Function”). ◄ Disable the function. Enable the function. F-02-X: ACAI function ACAI operation when the unit weight is registered with samples ACAI does not operate.
  • Page 40 F-04-X: Scale setting Zero tracking function Automatically follow the gradual variation of zero point that generates due to environmental change Disable the function. ◄ Enable the function. Response characteristics Response is fast/weak to vibration (good environment, weighing) ◄ Display where response is slow/stable (stability is prioritized) Stable detection Detect fast (good environment) ◄...
  • Page 41 Power source ◄ AC adapter Battery Negative tare Tare is allowed when the total amount is negative within the range of the zero point setting. ◄ Disable the function. Enable the function. F-05-X: Comparator function Comparison mode ◄ Disable the function. Compare all data.
  • Page 42 F-06-X: Communication setting Data output mode ◄ Key mode A (output data with the PRINT key when it is stable) Auto print mode A (Reference = zero) Auto print mode B (Reference = last stable value) Stream mode (commands are not usable) Key mode B (immediate data output) Key mode C (output data when stable) Auto print mode C (output data when in auto print A mode and comparison result is...
  • Page 43 Auto print polarity ◄ Positive only Negative only Bipolar Auto print width ◄ 100d Assignment of comparison result Assign comparison result to output data of the comparison target (f-05-02). ◄ Disable the function Enable the function Assignment of date and time Use date and time in the calendar function for the AD-8127 (output <ESC>D, <ESC>...
  • Page 44 F-08-X: Memory Items to call up from ID memory ◄ Unit weight (and item code) only Set data for total, upper and lower limits, and tare with select items to call up. “ ”: Not to call up Total Upper and lower limits “...

  • Page 45: Password Lock Function

    14.3. Password Lock Function The password lock function limits browsing and changing the function settings of the scale. At the factory setting, the password lock function is disabled. Set to enable/disable the password lock function and to register a password based on the following table. Function setting Setting value Description...

  • Page 46: Function Setting After Password Lock

    14.3.2. Function Setting after Password Lock 1. Press the ON/OFF key to turn off display. 2. Hold down the ZERO key and press the ON/OFF key. When the Hold down the software version is shown, release the keys. -xxx and press the 3.

  • Page 47: If You Forget Your Password

    Changing Function Settings as gUe5t 1. Select “ ” with the PRINT key and press the ENTER key. 2. “ ” is shown. Follow the steps in “14.1. Function Setting” to change the setting value. As guest, only F-02-X, F-03-X, F-04-X, and F-05-X are changeable. 14.3.3.

  • Page 48: Acai

    15. ACAI 15.1. ACAI Function When unit weight is calculated, the larger the number of samples are, the less error is caused because variation in weight per sample is averaged. However, it is difficult to precisely count a large number of samples. With the ACAI (Automatic Counting Accuracy Improvement) function, counting can be started with a small number of samples.

  • Page 49: Manual Operation Of Acai

    Range where ACAI is possible Number of pieces after Number of pieces after Current number of pieces Current number of pieces being added being added 13 to 26 63 to 122 23 to 49 73 to 138 33 to 70 83 to 152 43 to 89 93 to 166...

  • Page 50: Communication Specifications

    16. Communication Specifications 16.1. RS-232C Interface Bidirectional communication with RS-232C is available. A communication cable is required for connecting to DTE (Data Terminal Equipment) such as a PC, external device, etc. AX-KO2466-200 (2m) / AX-KO2466-500 (5m) RS-232C terminal 1 2 3 4 5 Connector form D-Sub 9 pin (male) Transmission method...

  • Page 51: Communication Mode

    16.2. Communication Mode For the setting related to data output, refer to X in “14.2. Function List”. A&D Standard Format Header Data Unit Terminator The two-character header indicates the data condition. : Stable weight data : Stable count data : Unstable weight or count data : Weight data out of range When the comparison result is added ( is set to “...
  • Page 52 DP Format (Dump Print) Header Data Unit Terminator This format is appropriate for printing with a dump printer such as the AD-8127. The two-character header indicates the data condition. : Stable weight data : Stable count data : Unstable weight or count data When the comparison result is added ( is set to “...
  • Page 53 Data Output Mode Key mode A When the weighing value is stable (the stable mark is lit), press the PRINT key to output data one time. At this time, the display blinks one time to notify that the output has been done. Auto print mode A When the weighing value exceeds the range specified by the (auto print polarity) and...
  • Page 54 Output Data Specify with what data out of ID, count data, weight data, or unit weight data to output. Example: Enter with f-06-02 numeric keys to output ID (and item code) and count data. 1100 “0”: Do not output data Count “1”: Output data Weight...

  • Page 55: Commands

    16.3. Commands By transmitting specified commands from a PC to the scale, you can control requests for weighing data, each key operation, and changes to setting values. This is usable when stream output is not performed. To transmit commands to the scale, add a terminator <CR><LF> to command strings. Command List Command Function...
  • Page 56 Acknowledgment and Error Codes When the scale receives commands from external devices, it responds as follows. When a command requests certain data, the scale sends the data. For other commands, the scale sends acknowledgment <AK><CR><LF> to confirm command reception (with function setting <AK>...
  • Page 57 Data Format The following are examples of commands. “~” indicates a space (ASCII: 20h). Response indicates that it is a normal case. An error code is sent when an error occurs (refer to “Acknowledgment and Error Codes”). A command that reads from a specified ID is executed for memory that is selected with function setting .
  • Page 58 Set unit weight (Set unit weight to 0.123 g) Command G Response AK C Unit weight: Up to 8 digits including decimal point Output ID and item code in use Command ? Response ID: 6 digits Item code: 20 digits (If not set, enter spaces) Output count data Command ? Positive data when stable...
  • Page 59 Output memory of a specified ID Command ? Response M Data is output in the following order and number of digits. ID (6 digits), item code (20 digits), unit weight (8 digits including decimal point), tare weight (9 digits including sign and decimal point), upper limit value (9 digits including sign), lower limit value (9 digits including sign), total count (9 digits including sign), the number of additions (8 digits) Store in a specified ID For 3 items: Store unit weight and tare weight...
  • Page 60 Store upper and lower limits in a specified ID Command M Response AK C ID: Up to 6 digits Upper limit value: Up to 9 digits including sign (- 00999999 to + 00999999) Lower limit value: Up to 9 digits including sign (- 00999999 to + 00999999) Store total count and the number of additions in a specified ID Command M Response AK C...
  • Page 61 Output the list of function settings Command X C Response ------ At the end of data, <EOT><CR><LF> is output. <EOT> ASCII: 04h Output the contents of internal memory Command Y C Response M ------ Data stored in internal memory is output in the following order and number of digits. ID (6 digits), item code (20 digits), unit weight (8 digits including decimal point), tare weight (9 digits including sign and decimal point), upper limit value (9 digits including sign), lower limit value (9 digits including sign), total count (9 digits including sign), number of additions (8 digits)

  • Page 62: Ufc (Universal Flex Coms) Function

    16.4. UFC (Universal Flex Coms) Function The UFC (Universal Flex Coms) function enables arbitrary descriptions to be output when weighing data is output. Send a program command corresponding to the output format, to the scale and make it store the command.
  • Page 63 ASCII character strings Enclose arbitrary ASCII code character strings in single quotation marks. Usable character strings are alphabet, numeric, and symbol. Single quotation marks in the string are shown using two single quotation marks. Ex.) When outputting character string ABC: ‘ABC’...
  • Page 64 Examples of Printing and Program Commands PF,'ID '$CD$CR$LF&<CR><LF> 'PN '$NM$CR$LF&<CR><LF> 'Count'$CR$LF&<CR><LF> $SP 4$PC$CR$LF&<CR><LF> 'Unit Weight'$CR$LF&<CR><LF> $SP 4$UW$CR$LF&<CR><LF> 'Weight'$CR$LF&<CR><LF> $SP 4$WT$CR$LF&<CR><LF> 'Result'$CR$LF&<CR><LF> $SP 11$CP$CR$LF<CR><LF>...

  • Page 65: Usable Type Of Sd Card

    17. SD 17.1. Usable Type of SD Card This product uses the following type of microSD card as external memory, with which it can call up data such as unit weight from a list file created. Form microSD Card type SDHC File system FAT32...
  • Page 66 Column A Column B Column C Column D Column E Column F Column G Column H Unit Item code Tare Upper Lower Total Number of weight limit limit count additions Details of Each Item - Numeric characters (without sign or decimal point). - When it exceeds six digits, the last six digits are recognized as the ID.

  • Page 67: Inserting Sd Card

    17.3. Inserting SD Card SD card slot 1. Turn off the display. Loosen the two screws to draw out the power panel. You can see the SD card slot inside. Slide the slot cover in the direction indicated by the arrow. Do not apply strong force or impact to the SD card or the slot.

  • Page 68: Copying Data

    17.4. Copying Data Copy data on external memory (microSD card) to the internal memory. Do not turn off the power while copying data. Doing so may damage or delete data. Up to 1000 data instances can be copied. When the number of data in a list file exceeds 1000, up to 1000 data is copied.

  • Page 69: Options

    18. Options 18.1. Options List Option name Description AX-KO2466-200 Cable for RS-232C, D-Sub 9 pin, 2 m AX-KO2466-500 Cable for RS-232C, D-Sub 9 pin, 5 m AX-TB301 AC adapter (without cable) AX-KO7215-150 USB A to C cable, 1.5 m GC-08 Extension cable for display, 2 m AD-8561-MI02 Barcode reader, RS-232C, USB interface...

  • Page 70: Interface For Remote Scale

    18.2.3. Interface for Remote Scale Available with the AD-8561-MI05. With a load cell type of weighing platform, a two-scale system can be structured. Sensitivity Adjustment of Remote Scale When connecting a remote scale for the first time, set the weighing capacity and minimum display and perform sensitivity adjustment using a weight.
  • Page 71 Caution When Using Remote Scale To count with an accurate unit weight, register the unit weight with a sample by using the main scale and perform ACAI. Then, switch to the remote scale. Perform tare subtraction with the main scale and remote scale respectively. When using a remote scale, if the unit weight is registered with the main scale and then it is switched to a remote scale, ACAI does not work.

  • Page 72: Separation Of Display/Gc-08

    18.3. Separation of Display/GC-08 The display can be separated from the main scale. The length of cable between the display and the scale is approximately 1 m. With the GC-08 (extension cable), the length can be extended up to 2 m. If the operation is done with the weighing pan facing downward, excessive force will be placed on the scale, which may cause damage.

  • Page 73: Maintenance

    19. Maintenance Consider “4. Precautions for Use”. Regularly check that weighing can be properly performed, and perform sensitivity adjustment as needed. (refer to “13. Sensitivity Adjustment”). 19.1. Repair Ask an A&D dealer for repair. Repair of the product must be performed by a qualified person only. Unauthorized repair is not covered by the warranty, and it may cause electric shock or damage.
  • Page 74 Error display Description and measures Excessive loading. The weighing value exceeded the weighing capacity. Remove everything from the weighing pan. Insufficient loading. The weighing value is too light. Check that the weighing pan is properly placed. Low power. Power supply voltage is too low. Check the AC adapter or power in use.

  • Page 75: Specifications

    20. Specifications 20.1. Specifications List Model GC-3K GC-6K GC-15K GC-30K Weighing capacity [kg] Minimum display [kg] 0.0005 0.001 0.002 0.005 Weight unit kg, g, lb, oz, ozt, pcs Number of samples 10 (5, 25, 50, 100, or arbitrary number is settable) Minimum countable 0.1/0.005 0.2/0.01...

  • Page 76: External Dimensions

    20.2. External Dimensions Unit: mm...

  • Page 77: Gravity Acceleration Map

    20.3. Gravity Acceleration Map Values of gravity at various locations Amsterdam 9.813 m/s Manila 9.784 m/s Athens 9.800 m/s Melbourne 9.800 m/s Auckland NZ 9.799 m/s Mexico City 9.786 m/s Bangkok 9.783 m/s Milan 9.807 m/s Birmingham 9.813 m/s Moscow 9.816 m/s Brussels 9.811 m/s...
  • Page 78 World map...
  • Page 79 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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