Brecknell 67XXU Series Service Manual
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Brecknell 67XXU Series Service Manual

Brecknell 67xxu usb/serial scale series
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67XXU
USB/Serial Scale Series
Service Manual
SOFTWARE VERSION 1.20
AWT35-501145
Issue AD

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  • Page 1 67XXU USB/Serial Scale Series Service Manual SOFTWARE VERSION 1.20 AWT35-501145 Issue AD...
  • Page 2 Brecknell is part of Avery Weigh-Tronix. Avery Weigh-Tronix is a trademark of the Illinois Tool Works group of companies whose ultimate parent company is Illinois Tool Works Inc (“Illinois Tool Works”). Copyright © 2014 Illinois Tool Works. All rights reserved.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 General Information and Warnings ..................3 About this Manual ......................3 Text Conventions ......................3 Special Messages ....................... 3 Warnings ..........................4 Routine Maintenance ......................4 Sharp Objects ........................4 Cleaning the Indicator ......................4 CE Certification ........................
  • Page 4 Activate the Hold Function ..................22 Access the Hold Mode ....................22 Hold Methods ......................22 Display Software and Hardware Version ................. 24 Display Test ........................24 Keyboard and Buzzer Test ....................24 Serial Port 1/2 (COM1/2) Receiving Test ................. 25 Serial Port 1/2 (COM1/2) Transmitting Test ..............

  • Page 5: Chapter 1 General Information And Warnings

    General Information and Warnings 1.1 About this Manual This manual is divided into chapters by the chapter number and the large text at the top of a page. Subsections are labeled as shown by the 1 and 1.1 headings shown above. -The names of the chapter and the next subsection level appear at the top of alternating pages of the manual to remind you of where you are in the manual.

  • Page 6: Warnings

    1.2 Warnings Avoid lengthy exposure to extreme heat or cold. Your scale works best when operated at normal room temperature. Always allow the scale to acclimate to a normal room temperature before use. Allow sufficient warm up time. Turn the scale on and wait for a few minutes if possible.

  • Page 7: Ce Certification

    1.6 CE Certification Pending 67XXU USB/Serial Scale Service Manual...

  • Page 8: Chapter 2 Installation

    Installation DANGER: RISK OF ELECTRICAL SHOCK. BE SURE TO UPLUG THE INDICATOR BEFORE REMOVING THE COVER OR OPENING THE UNIT. REFER TO QUALIFIED SERVICE PERSONNEL FOR SERVICE. Unpack the scale and all components from the shipping box. Remove the shipping screw from the under side of the scale base. Refer to Figure 2.1.

  • Page 9: Connections

    2.1 Connections There are connectors located on the side of the scale for the power supply, USB port, RS-232 serial port and display which is used for mounting the display remotely on a wall or a desk. Figure 2.2 View of Scale Connectors 2.1.1 Display The indicator display can be removed from the scale and mounted on a wall or desk.

  • Page 10: Remote Display And Mounting

    The RS-232 port connector is a 9-pin female.. Figure 2.3 RS-232 Connector (Com 2) 2.2 Remote Display and Mounting The indicator is connected to the front of the 67XXU. It can be removed however to accommodate mounting on a wall or desk. Plug the display cable into the DISPLAY connector.

  • Page 11: Mainboard

    2.3 Mainboard Figure 2.6 shows the main board connectors for the loadcell, RS-232 port, USB port, power supply and battery. Figure 2.6 67XXU Main Circuit Board 2.3.1 Definition of Connectors and Jumpers Table 2.1 Loadcell Connector Description In/Out/Power Electrical Level + excitation power output 5±0.3 VDC (≤0.12A)
  • Page 12 Table 2.3 USB Connector (USB) Com 1 Description In/Out/Power Electrical Level GND of VDD power ground 0 VDC USB D+ 0-5 VDC USB D- 0-5 VDC USB power power input 5±0.25 VDC Table 2.4 RS-232 Port Connector (SIO) Com 2 Description In/Out/Power Electrical Level...

  • Page 13: Chapter 3 Specifications

    Specifications 3.1 Available Models 6702U 6”x10” (15 or 30 lb) 6710U 10”x10” (15 or 30 lb) 6720U 12”x14” (15 or 30 lb) 3.2 Outline Dimensions Figure 3.1 67XXU Dimension Drawing Figure 3.2 67XXU Dimension Drawing with Indicator on a Column 67XXU USB/Serial Scale Service Manual...

  • Page 14: Mounting

    3.3 Mounting Bracket Remote (optional cable required) Column (option kit required) 3.4 Power Supply AC Adapter: 7-9VDC, ≥500mA, center positive USB power supply if USB interface is installed Work current: ≤15mA (with backlight off, and no load cells) ≤30mA (with backlight on, and no load cells) ≤50mA (with backlight on and one 350 load cell) 3.5 Display 51/2-digit,7-segment , 0.58"...

  • Page 15: Communication

    3.7 Communication Serial port1 Full-duplex RS-232 Optional Serial Port USB (Virtual RS-232) Baud Rate Selectable: 1200-2400-4800-9600-19200-38400 bps Data Output Format 8N1, 7O1, 7E1 Protocol programmable 3.8 Analog Circuitry 24-bit A/D converter Conversion Speed: 10Hz Input range: -15mV to +15mV Output code:1mV input will output about 100,000 raw counts Hardware low pass filter and 2 programmable digital low pass filters 3.9 Capacity and Division Programmable...

  • Page 16: Other Main Functions

    3.12 Other Main Functions Programmable zero range Programmable pre-set tare weight Programmable automatic zero point tracking Programmable motion detection window Programmable auto-power off time, backlight working mode Programmable hold function with peak weight holding and dynamic weighing Available check weighing mode Available parts counting mode Available units of measure: kg, lb, lb:oz, oz, g, PCS Data comparison and indicator in weighing mode and parts counting mode...

  • Page 17: Chapter 4 Configuration

    Configuration To set up the indicator, you must first enter the appropriate menu mode. The front panel keys become directional navigators to move around in the menus. See Table 4.2 details. 4.1 Front Panel The front panel incorporates the display and keypad. The annunciators used are incorporated in the display.

  • Page 18: Keys

    4.2 Keys The keyboard consists of four keys, some of which have multiple functions. Table 4.2 Function of the Keys Mode Condition Function Weigh or count Press for less than 3 seconds Enter or exit HOLD/PRINT mode Weigh or count Press [HOLD] + [ON/OFF] for more Enter setup mode than 3 seconds...

  • Page 19: Navigating The Weigh Mode

    4.3 Navigating the Weigh Mode 4.3.1 Enter the Weigh Mode Press the [HOLD] + [UNIT] keys for 3 seconds. Use the [UNIT] key to choose the desired mode and the [TARE] key to confirm selection and exit to the chosen mode. 4.3.2 Enter or Exit the HOLD Mode Press the [HOLD] key for 3 seconds.

  • Page 20: Output Data (Print To A Computer Or Printer)

    key function Weight on Data in TARE Standard platform memory unit Tare key Zero key Canada ≤0 No action Zero Clear the tared weight >0 Tare No action Europe ≤0 No action Zero Clear the tared weight Zero and clear the tared weight >0 Tare...
  • Page 21 Table 4.4 Use kg as Primary Unit Display Division Value Calibration Division Value lb:oz 0.0001kg 0.0001kg 0.1g 0.0002lb 0.005oz Not available 0.001kg 0.001kg 0.002lb 0.05oz Not available 0.01kg 0.01kg 0.02lb 0.5oz 0.5oz 0.1kg 0.1kg Not available 0.2lb Not available Not available Not available Not available 0.0002kg...

  • Page 22: Check Weight (Compare Feature)

    4.3.10 Check Weight (compare feature) To make the weight compare function available, set CONFG-FUNC-COMPAR item to YES (refer to Chapter for details on entering and navigating the setup mode). The high and low limitation of weight should be set correctly according to following steps: In weighing mode or count mode, press the [UNIT] key more than 3 seconds to compare the high and low data.

  • Page 23: Obtain Piece Weight

    4.4.2 Obtain Piece Weight There are two ways to obtain the piece weight: Input Piece Weight Directly Press the [UNIT] key. When InP. P W is displayed, press the [TARE] key to enter into the piece weight mode. When UNIT. K G is shown, use the [UNIT] key to select the unit of piece weight.

  • Page 24: Hold Function

    Press the [TARE] key to confirm the entry. If the calculated piece weight is less than 0.5d, the indicator will display PWt. E r and go back to counting mode. Otherwise, after the reasonable piece weight has been captured, the scale will go back to counting mode. The piece weight will be saved and used again.
  • Page 25 Positive Peak HOLD When USER-HOLD-HLD.MD is set to PS. P EK, the hold mode is positive peak hold mode. When scale first enters this working mode, it will display the largest positive number that is from the time of zero-point set. The scale also will always catch the largest positive number and display it.

  • Page 26: Display Software And Hardware Version

    The scale will exit HOLD mode according to the setting of USER-HOLD-HLD.TM. If the time of scale variation being over USER-OTHER-NLD.RG is more than USER-HOLD- STB.TM, STB. E R will be shown. Press the [TARE] key to start averaging again or press the [HOLD] key to exit.

  • Page 27: Serial Port 1/2 (Com1/2) Receiving Test

    4.9 Serial Port 1/2 (COM1/2) Receiving Test Before testing the receiving function of COM1 or COM2, a cable is need to connect a computer to the scale. A terminal program such as Hyper Terminal is also needed for testing. Note: baud rate is selected by USER-COM1/2-BUD.RT, 8N1 byte format is fixed, Hex data (0x00 - 0xff) are used.

  • Page 28: Chapter 5 Setup Mode

    Setup Mode The setup menu consists of five different sub-menus. Within each sub-menu are different menu options. The config/cal switch must be set in the ON position in order to make changes to specific parameters. 5.1 Entering the Setup Menu Power on the indicator by pressing and holding the [ON/OFF] key.

  • Page 29: Setup Menu Parameters

    5.3 Setup Menu Parameters This section provides more detailed descriptions of the selections found in the Setup Menu. The menu charts show the flow of the parameters and also provide a quick reference to the parameters within the menu. The menu tables show the submenus, options and default parameter in LCD display format to coincide with the actual display.
  • Page 30 Table 5.2 CONFG Menu Choices and Explanations CONFG SubMenu1 SubMenu2 Option Default Parameter Description Comment CF. O N Seal switch position The display will show whether the CF. O FF seal switch is in the ON or Off position. This parameter can’t be changed within the software.
  • Page 31 CONFG SubMenu1 SubMenu2 Option Default Parameter Description Comment PRIM. U t Primary unit Select the primary unit from kg or lb. The second unit is lb if kg is selected as the primary unit. *The calibration standard weight must be in the primary unit! SECD.
  • Page 32 CONFG SubMenu1 SubMenu2 Option Default Parameter Description Comment ZRO. P T IZSM 0-100 Initial zero set Range of capacity in percent mechanism ± 0 - 100%FS Also uses SAZSM and AZSM (total) *If (REGUL)=none, the max is 10 IN. I ZS WEGHT WEGHT Inside IZSM...
  • Page 33 CONFG SubMenu1 SubMenu2 Option Default Parameter Description Comment FUNC HOLD Enable or disable hold function COUNT Enable or disable counting function COMPR Enable or disable data comparison function ge. c al Enable or disable the geographical adjustment factor WT. A DJ Enable or disable weight fine-tuning using keypad in weighing mode...

  • Page 34: User Menu

    5.3.2 USER Menu RESET COM1 OUT1 SCL.ID GROSS TARE COUNT BUD.RT BT.FMT OUT.MD LYOUT PCWT AD.CDE BT.VOL STAUS B.LINE 1200 2400 4800 9600 19200 38400 MULTI SCP01 SCP02 SCP03 EH-SCP NONE LINE1 LINE2 LINE3 LINE4 NONE CONT PRINT PRT.CD STABL ST.NLD PR.NLD 9-pin...
  • Page 35 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment COM1 BUD. R T 1200 9600 Select COM1 baud rate (USB) 2400 4800 9600 19200 38400 BT. F MT Select COM1 byte format (1) 8N1=8 data bits, No parity check bit, 1 stop bit (2) 7O1=7 data bits, 1 Odd parity check bit, 1 stop bit (3) 7E1=7 data bits, 1 Even parity...
  • Page 36 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment LYOUT MULTi multi Set COM1 content and format (1) MULTI= the following selected item in OUT1 will be output use defined format scp01 Emulates NCI protocol (2) SCP01= only displayed content and current status will be output, it's compatible with NCI-SCP01 scp02 Emulates ECR protocol...
  • Page 37 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment OUT1 SCL. I D Enable or disable scale ID Prompt is "SCALE ID" (USB) number GROSS Enable or disable gross weight Prompt is "GROSS" TARE Enable or disable tare weight Prompt is "TARE" Enable or disable net weight Prompt is "NET"...
  • Page 38 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment COM2 BUD. R T 1200 9600 Select COM2 baud rate (9 Pin) 2400 4800 9600 19200 38400 BT. F MT Select COM2 byte format (1) 8N1=8 data bits, No parity check bit, 1 stop bit (2) 7O1=7 data bits, 1 Odd parity check bit, 1 stop bit (3) 7E1=7 data bits, 1 Even parity...
  • Page 39 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment LYOUT MULTi multi Set COM2 content and format (1) MULTI= the following selected item in OUT2 will be output use defined format Scp01 Emulates NCI protocol (2) SCP01= only displayed content and current status will be output, it's compatible with NCI-SCP01 scp02 Emulates ECR protocol...
  • Page 40 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment OUT2 SCL. I D Enable or disable scale ID Prompt is "SCALE ID" (9 Pin) number GROSS Enable or disable gross weight Prompt is "GROSS" TARE Enable or disable tare weight Prompt is "TARE" Enable or disable net weight Prompt is "NET"...
  • Page 41 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment BEEP Enable or disable beep after a key is pressed. COMPR NONE IN. L MT (1) NONE = no beep L. L OW (2) L.Low = beep when lower than low limitation; IN.
  • Page 42 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment HOLD AD. H . S P Enable or disable use of the high speed A/D converter after entering the HOLD mode HLD. M D NONE auto Hold mode (1) NONE= off PS. P EK (2) PS.PEK=Positive Peak number Hold mode.
  • Page 43 USER SubMenu1 SubMenu2 Option Default Parameter Description Comment OTHER NLD. R G 1-255 No hold range Load must return to zero in divisions to perform a print when in AUTO. 1-255=the range of weight is 1- 255d. When current weight is less than this value, the scale can be regarded as empty, or the load on scale is removed.

  • Page 44: Cal Menu

    5.3.3 CAL Menu CAL.ON ZERO LINE INPUT CA.OFF CODE GRAVT 00-70 9.76183- 9.99999 CAL.PO CAL.P1 END.Y CAL.P2 END.Y CAL.P3 Figure 5.3 CAL Menu Chart The figure above is an illustration of the available menus with the CAL menu and the choices within those menus.
  • Page 45 Submenu1 Submenu2 Option Parameter Description Comment LINE CAL. P 0 Line calibration point0 Do zero point calibration. This point can't be omitted. CAL. P 1 Line calibration point1 First weight point calibration. This point can't be omitted and standard weight must be over 10%FS. END.

  • Page 46: Misc Menu

    5.3.4 MISC Menu CODE Figure 5.4 MISC Menu Chart The figure above is an illustration of the available menus with the MISC menu. There are no programming choices within this menu. Refer to Table 5.5 for explanations of the menu choices. Table 5.5 MISC Menu Choices and Explanations MISC Submenu1...

  • Page 47: Exit The Setup Menu

    5.4 Exit the Setup Menu Power off the indicator by pressing and holding the [ON/OFF] key. Turn the indicator back on by pressing the [ON/OFF] key. The display will go through a digit check, then settle into the normal operating mode. All front panel keys will now return to their normal mode of operation.

  • Page 48: Chapter 6 Calibration

    Calibration The configuration/calibration button must be pushed in order to calibrate the scale. Refer to Chapter for details on push button location. NOTE: More than 10% of the full scale weight is needed for calibration. NOTE: Press the [ON/OFF] key to return to the last sub-menu. 6.1 Enter the Calibration Mode Access the setup mode by pressing the [HOLD]+[ON/OFF] key for 3 seconds.

  • Page 49: Linearity

    6.1.2 Linearity The scale linearity can be calibrated with a zero reference and a full scale reference or multiple linearity weight values. The linearity calibration is determined by the settings in the CAL-LINE parameter. When LINE is selected, press the [TARE] key to enter linearity calibration. CAL.

  • Page 50: Geographical Adjustment

    6.2 Geographical Adjustment When GEO is selected, press the [TARE] key to enter Geographical Adjustment. When CODE is displayed, press the [UNIT] key to select geographical position code or input user local gravity value directly. When CODE is selected, choose the position code of the scale being used (00-70) according to the elevation and latitude from Table 6.1 by using the...
  • Page 51 Table 6.1 Location Code For Elevation and Latitude 67XXU USB/Serial Scale Service Manual...

  • Page 52: Gravity Value

    6.3 Gravity Value When GRAVT is selected, press the [HOLD] and [UNIT] keys to input the gravity value of the position that scale is used (9.76183-9.99999). Press the [TARE] key to confirm. NOTE: Only an authorized manufacture representative or certified verification personnel may make these changes.

  • Page 53: Weight Fine-Tune

    6.5 Weight Fine-tune With this function, the user can adjust displayed weight a little without the need of standard weight. But please note: The scale must have been calibrated previously The range of adjustment is "(current displayed weight) x (0.9-1.1)". This means the range is about ±10% The CONFG-REGUL=NONE and CONFG-FUNC-WT.ADJ=YES must be set.

  • Page 54: Chapter 7 Serial Communication

    Press and release the [ZERO/ON/OFF] key until you are all the way out of the Setup Menu mode and into the Normal Weigh mode. Test scale with software. If scale fails communication, contact Brecknell Tech Support at 800-242-2807 for further testing.

  • Page 55: Com Port 1

    7.2 Com Port 1 COM1 is a USB port used as a virtual RS-232 port. Communication wires come from the USB connector and TXD0, RXD0 and GND. 7.3 Com Port 2 COM2 is a RS-232 bi-directional port. Communication wires are connected to the RS- 232 connector using TXD1, RXD1 and GND.

  • Page 56: Commands And Response

    ---W Reading data, 1-6 bytes (six digits) <DP> Decimal point Measure units, kg, lb, lb:oz, % or pcs; 2-5 bytes <Add> Address of scale; 2 bytes (00-99) <Prompt> Prompt characters of output content; max. 11bytes Table 7.2 Bit Definition of H Byte 1 (H Byte 2 (H Byte 3 (H...
  • Page 57 Command: W<CR> (57h 0dh), request current reading Response <LF>^^^^^^^^U <CR><LF> H <CR><ETX>---over capacity <LF>_ _ _ _ _ _ _ _ U <CR><LF> H <CR><ETX>---under capacity <LF> - - - - - - - - U <CR><LF> H <CR><ETX>---zero-point error Note: U is 1,2,3 or 5 bytes according to current unit: kg, lb, pcs, g, oz, lb:oz <LF><P>W...
  • Page 58 Command: U<CR> (55h 0dh) Response Changes units of measure (simulate UNIT key) and return scale status with new units. The new measure unit should be allowed to use <LF> U <CR><LF> H <CR><ETX> Command: L<CR> (4ch 0dh) Response If Hold function can be activated, it will enable/disable hold function (simulate HOLD key) and returns scale status. <LF>...

  • Page 59: Parameter Ecr-Scp02

    7.6.2 Parameter ECR-SCP02 Set the USER-COM-LYOUT parameter to SCP02. Command: W<CR> (57h 0dh), request current reading Response <LF>^^^^^^^^U <CR><LF> S H <CR><ETX>---over capacity <LF>_ _ _ _ _ _ _ _ U <CR><LF> S H <CR><ETX>---under capacity <LF> - - - - - - - - U <CR><LF>...
  • Page 60 Command: U<CR> (55h 0dh) Response Changes units of measure (simulate UNIT key) and return scale status with new units. The new measure unit should be allowed to use <LF> U <CR><LF> S H <CR><ETX> Command: u<CR> (75h 0dh) Response Returns current units-of-measure as a single numeric character. <LF>x<CR><ETX>...
  • Page 61 Command: <ENQ><CR> (05h 0dh) Response Depends on the scale and protocol. <LF>OPOS<CR><ETX> OPOS - enabled scale Command: all others Response Unrecognized command <LF>? <CR><ETX> Table 7.4 Summary of Command and Response: Command Response ASCII W<CR> 57 0d Read scale weight: <LF>^^^^^^^^U <CR><LF>S H <CR><ETX>---over capacity...

  • Page 62: Parameter 8213-Scp03

    7.6.3 Parameter 8213-SCP03 Set the USER-COM-LYOUT parameter to SCP03. Command: W (57h), request current reading Response <STX>W <dp>W <CR>---normal data Note: (1) The decimal point position is determined by CONFG-PRIM.D (2) If current unit is "lb:oz", the format will be similar with following: <STX>W <dp>W oz<CR>...
  • Page 63 Command: H (48h) Response Send high resolution weight dat (x10) <STX>W <dp>W <CR>---normal data Note: (1) The decimal point position is determined by CONFG-PRIM.D (2) If current unit is "lb:oz", the format will be similar with following: <STX>W <dp>W oz<CR> Command: A (41h) Response Scale initiates a test of RAM, ROM and NOVRAM.
  • Page 64 Command: F (46h) Response Scale is taken out of echo mode. All subsequent characters are commands. <STX>F<CR> Command: all others Response Unrecognized command <STX>?[status]<CR> Table 7.6 Summary of Command and Response: Command Response ASCII Read scale weight: <STX>W <DP>W <CR>---normal data <STX>?[status]<CR>...

  • Page 65: Parameter Multi

    7.6.4 Parameter Multi Set the USER-COM-LYOUT parameter to mutli. Output string frame Command: W<CR> (57h 0dh), request current reading <LF><Prompt><p>W <DP>W <CR> Line number and content are determined by setting of USER-OUT-xxxx <LF><Prompt>H <CR> USER-OUT-STATUS is set to YES C<CR> USER-OUT1/2-LINE is set to LINE1/2/3/4 ----- The number of lank lines is determined by USER-OUT-LINE setting...

  • Page 66: Weighing Mode

    Example Layouts When USER-OUT-xxxx is set to YES Weighing Mode: SCALE ID: 123456 GROSS: 123lb 4.56oz TARE: 11lb 2.22oz NET: 112lb 2.34oz A/D CODE: 1234567 VOLTAGE: 5.7V STATUS: bpq2 Counting Mode: SCALE ID: 123456 GROSS: 1234.55kg TARE: 12.15kg NET: 1222.40kg QUANTITY: 24448pcs PIECE WT:...

  • Page 67: Parameter Eh-Scp (Ps-60)

    7.6.5 Parameter EH-SCP (PS-60) Set the USER-COM-LYOUT parameter to eh-scp This protocol is compatible with Toledo PS60 protocol. The baud rate and data format is set by User menu. Output Status Bit Meaning Table 7.7 Status Bits Status 0 = not in motion 1 = in motion 0 = not over capacity 1 = over capacity...

  • Page 68: Parameter Ibm

    7.6.6 Parameter IBM Set the USER-COM-LYOUT parameter to ibm. Command: <US> W (1Fh 57h), request current reading Response <STX>W <dp>W <CR>---normal data Note: (1) The decimal point position is determined by CONFG-PRIM.D (2) If current unit is "lb:oz", the format will be similar with following: <STX>W <dp>W oz<CR>...
  • Page 69 Command: <US> H (1Fh 48h) Response Send high resolution weight dat (x10) <STX>W <dp>W <CR>---normal data Note: (1) The decimal point position is determined by CONFG-PRIM.D (2) If current unit is "lb:oz", the format will be similar with following: <STX>W <dp>W oz<CR>...
  • Page 70 Command: <US> F (1Fh 46h) Response Scale is taken out of echo mode. All subsequent characters are commands. <STX>F<CR> Command: all others Response Unrecognized command <STX>?[status]<CR> Table 7.9 Summary of Command and Response: Command Response ASCII <US> W 1F 57 1.

  • Page 71: Chapter 8 Legal For Trade

    Legal for Trade The 67XXU Model must be configured to meet regulations mandated by local weights and measures authorities. 8.1 Physical Seal The configuration/calibration push button is used to protect the scale from being configured or calibrated under legal for trade conditions. When set to legal for trade and sealed with a lead seal, the scale can only be configured and calibrated by authorized personnel.

  • Page 72: Audit Trail Parameters

    8.2 Audit Trail Parameters Two separate incrementing, non-resetable audit trail parameters are used to indicate changes to various parameters or calibration. 8.2.1 View Configuration Counter Press and hold the [HOLD] + [ON/OFF] key for 3 seconds. CONFG is displayed. Press the [TARE] key to view the configuration counter. The display will briefly show the number of times the configuration has been changed and will save up to 9999.

  • Page 73: Chapter 9 Troubleshooting

    Troubleshooting This chapter gives explanations on commonly seen errors, display characters and display symbols. 9.1 Display Characters ASCII LCD/LED ASCII LCD/LED ASCII LCD/LED 67XXU USB/Serial Scale Service Manual...

  • Page 74: Display Symbols

    9.2 Display Symbols Symbol Description 0---- Zero is over the setting range 0_____ Zero point is below the setting range Ad---- Signal to ADC is over maximum range Ad____ Signal to ADC is below minimum range ---- Weight is over upper limitation or display data is over limitation ____ Weight is below lower limitation EEP.

  • Page 75: Error Messages And Troubleshooting

    Symbol Description SPL. P W Sample goods weight to calculate piece weight IN. P CS Input number of pieces being counted UNT. K G Unit kg is selected UNT. L B Unit lb is selected PWT. E R Piece weight error, sample too small (<0.5d) 9.3 Error Messages and Troubleshooting Symptom Probable Cause...
  • Page 76 Symptom Probable Cause Remedy PCT. E R Unit-Percentage -Weight is error, it's too small Use more weight for the sample. (the weight of 1%, 0.1%, or 0.01%-determined by CONFG-FUNC-PERCNT is less than 0.5d). STB. E R USER-HOLD-STB.TIM is too short, USER- Set USER-HOLD-STB.TIM longer, or set USER- HOLD-HLD.RG is too small, other failure.
  • Page 78 Brecknell USA 1000 Armstrong Dr. Fairmont MN 56031 Tel:507-238-8702 Fax:507-238-8271 Email: sales@brecknellscales.com http://www.brecknellscales.com Brecknell UK Foundry Lane, Smethwick, West Midlands, England B66 2LP Tel:+44 (0) 8452 46 6717 Fax:+44 (0) 8452 46 6718 Email: sales@brecknellscales.co.uk http://www.brecknellscales.com...

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