8142PRO＋ Industrial Terminal Service Manual
Contents
1. eeeeeeteeene ene emen nenesesesese sese ese ese ese esses sesese esses eset etes esee esee esee essen 19 5 3 TROUBLESHOOTING 2 08 PAK BAND tete et eb e e ee oreet o cides KAYA de eb ee oen ee Eee sks dt 19 5 4 ERROR CODES AND ACTIONS os r NN 20 5 5 TESTING OPERATIONAL VOLTAGES eee e e e eme enenenenn ene ese ese e ese e ese e ese se esses eset stesse esee esee sees esee etes esee 21 5 6 BATTERY i cba 21 APPENDIX A PRINT FORMAT 555 52 erect oe ca svecessesvesestestecedsesvesossusvesessstees obw eo ee uw ac 2o de eV Na niso pred aujeseosuessiessvesesssivesessesss 22 A LBORMAT r endo tens tt aa e ele Dodo il a E AI a E aata PE ree 22 AZ FORMAT BB a Mees 22 A S FORMATIC s KASSA cete t c cte ere ats Pace Pies Be EERE Bt KPA BIB BANANAS states 22 A4 FORMAT FOR MINI PRINTER aaen ii at a EEE REE di is 23 APPENDIX B CONTINUOUS MODE OUTPUT s cccssssscssssssscssssccccsssccccssscccssssccscssssccesscsccsssaccsesssaccscsscseeceses 24 APPENDIX C 8142PRO FACTORY DEFAULT SETTING eere eene estes ntn ennt tatu nets tatus etna suse s tn cronos 26 50 9001 y Quality Certificate Development production testing of this product according to the IS09001 NO 01974015 I5014001 NO 06 2000 52 METTLER TOLEDO CHANGZHOU SCALE amp SYSTEM LTD 111 Changxi Road Changzhou J iangsu 213001 P R C TEL 0519 6642040 FAX 0519 6641991 http www mt com2. MEIT 8142PRO PRO7 Industrial Terminal Service Manual 1 Introduction This manual describes the 8142Pro single display scale terminal PRGN XXX7 which is tailored design to meet the vehicle and floor scale needs Installation and service procedure should be performed only by authorized personnel 1 1 8142Pro 7 Features Single 7 digits numeric vacuum fluorescent displays 21 position keypad Input for up to eight 350Q analog load cells The selectable increments from 1000 to 50 000 A D internal Resolution 1 000 000 Display update rate 10 updates each second Pushbutton and keyboard tare Tare interlock function The expanded weight display Tare and clear tare automatically Automatic zero maintenance Motion detection and indication Center of zero indication Real time clock by battery back up 100 truck ID Tare record 8 digits truck ID 500 transactions record the information include CN time and date truck ID gross tare and net Subtotal by truck ID Daily report printout One serial communication interface continuous mode output One parallel Centronics interface High accurate delta sigma A D converter TraxDSP vibration rejection SMT technology 1 2 8142Pro Specifications 1 2 1 Analog Load Cell e Excitation Voltage 10VDC power up to eight 350Q analog load cells e Span range 3 32mV e Zero range 0 25mV 1 2 2 Power Requirements 8142Pro is available in four versions 10
3. LoAd 0 Exit without resetting all parameters LoAd 1 Confirm your intention to reset Reset to Factory performs a master reset which returns all of the parameters to their original factory settings Refer to Appendix 2 4 3 Exiting Parameters Setting and Calibration Press EXIT key 8142Pro shows CAL OFF Press ENTER key 8142Pro shows 1 1 OFF Open the front cover of 8142Pro slide the K1 1 to OFF position 8142Pro will return to normal weighing mode 5 Service and Maintenance 8142Pro is designed for durability and should require a minimum of maintenance or service This chapter provides information on service and maintenance 5 1 Tools and Supplies Volt Ohm meter Analog load cell simulator Soft lint free cleaning cloth Anti static wrist strap and mat Flat and Phillips head screw driver 5 2 Clearing and Regular Maintenance You may wipe the keyboard and covers with a clean soft cloth that has been dampened with a mild glass cleaner Do not use any type of industrial solvent such as toluene or isopropanol IPA on the keyboard display assembly of the 8142Pro Solvents may damage the keyboard display and or cover finish Do not spray cleaner directly onto the unit Regular maintenance inspections by a qualified service technician are also recommened 5 3 Troubleshooting 8142Pro is designed to be virtually error free and reliable If problems do occur do not attempt to repair the sca
4. www mtcom cn Serial Number TM 131011 R02
5. E Ug 5 6 Battery There is a rechargeable lithium battery on the 8142Pro The battery powers real time clock and external memory chips 8142Pro automatically charge the battery when 8142Pro is powered up Appendix A Print format Three formats available when you select the 80 column printer Format A B amp C for different requirements A 1 Format A Format A is three tickets below is the example WEIGHING TICKET 1 WEIGHING TICKET 2 WEIGHING TICKET 3 ICN 1 0081 ICN 4 0081 CN 0081 TIME EI 13 14 19 TIME 13 14 19 TIME un 13 14 19 DATE E 1999 11 20 DATE 1999 11 20 DATE m 1999 11 20 GROSS 5721 kg GROSS 5721 kg GROSS 5721 kg TARE Okg TARE Okg TARE Okg NET 5721 kg NET 5721 kg INET 5721 kg A 2 Format B METTLER TOLEDO ca O HE E E TOTT TT MEI ENCIMA 7 1 H i CN DATE amp TIME ID CARGO CLIENT GROSS kg TARE kg NET kg i 0073 99 11 20 13 04 111 i 1106 10 1096 ___Q e zl METTLER TOLEDO CN DATE amp TIME ID CARGO CLIENT GROSS kg TARE kg NET kg 0074 99 11 20 13 08 123 16599 10 1649 i i H H i i A KANAN AA Note The title METTLER TOLEDO can be compiled to other words through F5 3 A 3 Format C 22 METTLER TOLEDO CN DATE
6. E r s i aiea 7 3 1 8142PRO DISPLAY AND KEYBOARD 0 cccccccccccccceccccccccecccseeccecccceecesesesesesesceesesesesescsesescsesescecscsescesesscesesseseseeeseees 7 3 2 THE BASIC OPERATOR FUNCTIONS 0000000000000 e e e ene enenene es esesese e ese e ese sesesesese essetis sese s etes ese ses stes assesses esses ee 8 3 3 TRUCK ID TARE OPERATION 535035004 03 3324 beet erben een ep ee E eee pe CE eee e Cue ea epe pe ee eee ede NG 9 3 4 RECORDING A WEIGHING TRANSACTION eene e e e emen nnesenene sese sesese e ese e esses esses esses eset esee esses sese s essen 10 3 5 REPORT OPERATION aae nee Ee a NDN WEE Re PW ER CET ETE TEE CPV Ee TR E e E Tv 11 3 6 RECALE OPERATIONS E 24 iet ORCI IR GB II OB I Mod 11 4 PROGRAMMING AND CALIBRATION creen e eee eo eee eene sete tn nest teen sese e ee e enne eese ense oe enne eee enne eese ense essen aa 12 4 1 ENTERING PARAMETERS SETTING AND CALIBRATION eee e emen nenne eseses ese sese sese ese etes eset esee etes esee 12 4 2 PARAMETERS SETTING eeeseeeeeee e e e emenenene nnns ese ese ese ese ese ese ese sesesese sese eseseseseseseseses esse eset assesses esses sese 12 4 3 EXITING PARAMETERS SETTING AND CALIBRATION c ccoccccccococonononononononononononononononononononononononononononononononenenenenenes 19 5 SERVICE AND MAINTENANCE Jn nanana UN AN KAN GING GNN AKA G IG een Pao e ba e d erbe a visviobeti se 19 5 1 TOOLS AND SUPPLIES ias 19 5 2 CLEARING AND REGULAR MAINTENANCE
7. are possible Microvolt Build Table Total Minimum Number of uV per Increment Increment Maximum mV per Increment 3 mV V 38 0 19 0 15 2 12 7 9 5 50 000 0 76 Note 8142Pro should never be programmed for least than 0 5 uV per increment when used with single load cell applications and never less than 0 1 uV per increment when used with multiple load cell applications 8142Pro cannot be calibrated for builds that exceed the maximum uV per increment listed in the microvolt build rate 3 8142Pro Operations This chapter provides information that an operator will need to become familiar with the terminal and to perform its functions 3 1 8142Pro Display and Keyboard 8142Pro single display version has one displays where scale data and operational message are presented This area can display up to seven numbers each with a decimal point comma and annunciators The annuniciators are O ES Tare 4 5 6 Recall Exit Q B 6 6 LO Kg D 3 CN Report G Net Time Date Tusk Clear y Zero Record Tite Enter Print e Center of zero gt 0 lt The center of zero annunciator indicates that the scale is within 14 increment of gross zero e Scale in motion The scale instability annunciator indicates that the scale is in motion The annuniciator will turn off when the scale is stable The motion sensitivity of motion detection is adjustable in setup e Weighing mode Gross or NET The 8142Pro
8. for an analog scale input is determined by calculating the microvolts per increment for the desired build 2 4 1 Solve the following equation for uV per increment Increment Size x cell output x excitation voltage 15 x 1000 UV per Increment Load Cell Capacity x Number of Cells or Level Ratio The increment size scale capacity and load cell capacity must all be measured in the same weight units Ib or kg Load cell output is rated in mV V millivolts per volt of excitation marked on load cell data tag Mettler Toledo load cells are typically 2 mV V Other load cells can range from 1 mV V to 4 5 mV V The load cell capacity is the rated capacity marked on load cell data tag The number of the cells is the total number of load cells in the system for the electronic mechanical scale the level ratio is the total level ratio in the system 2 4 2 Calculate the total number of increments by dividing the calibrated capacity by the increment size Calibrated Capacity Increments Increment Size 2 4 3 Microvolt build table Use the following microvolt build table to determine if the uV per increment calculated in step 1 is within the range allowed for the total number of increments calculated in step 2 These parameters have demonstrated stable builds but smaller minimum uV per increment and larger total number of increments
9. tare weight the number entered should be the multiple of the increment size then press TARE key The net weight of the load is displayed with an annunciator indicating NET e Clear Tare Clear tare by pressing CLEAR key 8142Pro returns to gross mode and displays the gross weight on the platform 3 2 4 Print Operation In normal operating mode demand printing is initiated when an operator presses the ENTER PRINT key During demand print output P will be displayed 3 3 Truck ID Tare Operation 3 3 1 Entering a Truck ID Tare e Entering an unknown tare weight 1 Place a load to be tared on the platform 2 Press TRUCK ID key the display window shows id prompt message 3 Use the numeric keys to enter the truck number then press TARE key The truck number and the related tare will be stored e Entering a known tare weight 1 Press TRUCK ID key 8142Pro display id prompt 2 Use the numeric keys to enter the truck number then press ENTER key 8142Pro accept the truck ID the window shows O and lit the TARE annunciator 3 Use the numeric keys to enter the tare value make sure the figure is the multiple of the increment size then press TARE key The truck number and tare will be stored Note The maximum of the TRUCK ID is 100 If the display shows id FULL that means the terminal will not accept the new Truck ID If the terminal display blinks the total number of the Tru
10. will be in Net mode when a tare is active Tare can be entered as a Preset tare value or tare may be automatically acquired when the operator presses the TARE key e Truck ID The truck ID annunciator indicates that you are entering a truck identification e TIME DATE The time annunciator indicates TIME has been displayed The date annunciator indicates DATE has been displayed 8142Pro 7 is equipped with a 21 key keypad as shown in the picture The keypad consists of numeric keys 0 through 9 and eleven function keys The keys perform the following functions NUMERIC keys are used to input numbers ZERO zeros the scale The ZERO key also functions as backspace when entering data from the keypad TARE performs a pushbutton tare or keyboard tare if enabled in setup CLEAR clears a tare value and returns the scale to gross mode The CLEAR key also functions as delete when entering data from the keypad Truck ID acknowledges a prompt and accepts data as truck ID entered from the keypad CN key is used to recall consecutive number RECALL is used to recall consecutive number or accumulations TIME DATE key is used to enter or recall the clock and the date REPORT can generate and print truck related reports RECORD key is used to store a weighing transaction ENTER PRINT acknowledges a prompt and accepts data entered from the keypad It also initiates a demand print output 3 2 The Basic Operator Functions 3 2 1 Power up Sequence 8142
11. 0V 120V 220V and 240V Voltage variation is from 15 to 10 frequency is from 49Hz to 63Hz Power consumption is 12 Watts maximum Power is applied through a modular power plug line cord 8142Pro requires a true earth ground for reliable operation The power line for 8142Pro must not be shared with equipment such as motors relays or heaters that generate line noise 1 2 3 Display and Keyboard The enclosure of 8142Pro is cast zinc aluminum alloy The display is a 7 digits numeric vacuum fluorescent display The keyboard consists of a flat membrane switch covered with a domed polyster overlay 1 2 4 Temperature and Humidity 8142Pro operates over a temperature range from 10 to 40 C at 10 to 95 humidity noncondensing Storage temperature range is from 40 to 60 C at 10 to 95 humidity noncondensing 1 2 5 Physical Dimension 8142PRO aM METTLER TOLEDO 1 3 Ordering Information 8142Pro MODEL CONFIGURATION ex PRGN 1037 023 LX X X X XX PRGN MODEL DISPLAY PR 8142Pro 1 Analog L C 3 Export 7 Single 023 CHINA G General housing 2 HAP 8 Dual N Numeric 2 Installation This chapter gives detailed instructions and important information you will need to install 8142Pro scale instrument successfully Please read this chapter thoroughly before you begin installation 2 1 Unpacking and Inspection Please inspect the package as it is delivered by the carri
12. 1 XXXX F3 2 X F3 3 X F3 4 X F3 5 X F3 6 X F5 F5 1 X 16 Noise Filter Enable Disable Disable noise filter Enable noise filter COM1 Program Block Baud Rate XXXX a selection list of 300 1200 2400 4800 or 9600 baud rate Data Bits 7 data bits 8 data bits Parity No parity Odd parity Even parity Checksum Disable checksum Enable checksum Serial Data Out None Continuous mode Demand mode single line gross tare net weights Discrete ASCII input Disable Enable discrete ACSII demand input Z Zero T Tare C Clear P Print Centronics Interface Program Block Printer Selection X 0 80 column printer X 1 F5 2 X 40 column printer only for single ticket format Printer Data Format X 0 Format A X 1 X 2 Format B Format C Note If F5 1 1 then F5 2 will be 0 format A automaticlly only single ticket format available F5 3 X F5 4 X X 0 X 1 F5 4 1 X Print the title of the ticket Enter the title of the ticket up to 30 ASCII code in numerical data Autoprint enable Disable autoprint Enable autoprint Print threshold Enter the minimum print weight value in another words the indicator will not initiate the print command if the weight is lower than the threshold value F5 4 2 X Reset threshold Enter the reset threshold value that value means if the weights on the platform fall lower than the thr
13. 1 Enable span adjustment 8142Pro shows Add Ld prompt Place a test weight on the platform and press ENTER key At the 00000 prompt enter the amount of weight placed on the platform then press ENTER key 8142Pro automatically proceeds to capture the new span and the display count down from 15 to 0 then advances to the next parameter setting Note Before performing the span adjustment the test weights should have been placed on the platform in operating mode then put K1 1 at ON and 8142Pro enter into setup mode in order to perform span adjustment F1 6 X Calibration 0 Disable calibration Enable calibration F1 7 F2 F2 1 F2 2 Calibration involves emptying the scale then placing a known test weight on an empty platform and allowing the 8142Pro to capture values for zero and span You can calibrate a scale with or without linearity correction 8142Pro prompts you through the calibration B F1 3 0 Without Linearity Correction E SCL Remove any weight on the platform then press ENTER key 8142Pro automatically capture zero and the display count down from 15 to 0 Add Ld Place a test weight on the platform then press ENTER key 00000 Enter the amount of test weight you added then press ENTER key 8142Pro automatically capture span and the display count down from 15 to 0 When the calibration completed the display shows CAL d then continue to the next paramet
14. A B C D E F Table B 1 Continuous mode output Continuous Format Notes ASCII Start of Text lt STX gt character hex value 02 SWA SWB and SWC Status Words A B and C Refer to Tables 6 9 6 10 and 6 11 for status bytes n HY a W gt Displayed weight Six digits of displayed weight No decimal point in field Tare weight Six digits of tare weight data No decimal point in field ASCII Carriage Return lt CR gt character hex value OD Optional checksum character Checksum is defined as the 2 s complement of the seven low order bits of the binary sum of all characters preceding the checksum character including the lt STX gt and lt CR gt characters Status Byte Definition BN O MEAN Paan E E S 1 XXXXXO 24 Bits3 4 Increment size 0 1 X2 Table B 2 Status Word A Bit Definitions Bits Funtion XS Bit Gross 0 Ne 1 i it kg 1 Always 1 Bito Powerup l ___ Table B 3 Status Word B Bit Definitions Bit Aways Bi Expandedweighi 1 Bit Aways Table B 4 Status Word C Bit Definitions 26 Appendix C 8142Pro Factory Default Setting Scale Interface Configuration Com1 Scale capacity 10000 Baud rate FL2 1 es2 FL3 FLA F1 5 Span adjustment A 1 1 1 Data bits Checksum Serial data out Discrete input Configure Parallel F5 6 7 H n im Du a fu F2 Environ
15. Pro goes through a series of self tests when it is turned on These self tests confirm normal operation The power up sequence is as follows 1 All segments of the display are lit This verifies operation of all segments 2 8142Pro displays the software part number 131105 and revision number L x x 3 8142Pro performs internal power up tests verifies internal memory 4 Finally if the terminal pass self test it will returns to normal operating mode 3 2 2 Zero the Scale If pushbutton zero is enabled you can press ZERO key to establish a new zero center of reference for the scale when in the gross mode In motion or residual weight on scale greater than pushbutton zero range will cancel this operation 3 2 3 Tare Operation 8142Pro supports pushbutton tare preset keyboard tare and clear tare operations e Pushbutton Tare In gross mode place the container to be weighed on the platform and press the TARE key The 8142Pro reads 0 0 with the NET annunciator illuminated e Preset keyboard Tare Preset tare sometimes called keyboard tare compensates for a known tare weight on the scale Preset tare is used when the net weight of contents in a filled container must be determined and the tare weight is known 1 Place the load on the platform The display shows the gross weight of the load Be sure you know the weight of the portion to be compensated for by preset tare 2 Use the numeric keys to enter the known
16. amp TIME ID CARGO CLIENT GROSS kg TARE kg NET kg 001 99 12 20 13 08 1 1660 10 1650 002 99 12 20 13 10 10 5210 20 5190 003 99 12 26 13 30 25 1260 60 1200 004 99 12 31 12 59 123 5000 500 4500 Note The title METTLER TOLEDO can be compiled to other words through F5 3 A 4 Format for Mini printer One ticket format is available for mini printer and it is the only format when select F5 1 1 The format is the one out of three sheets of format A WEIGHING TICKET 1 ICN 0081 ee ja TIME 13 14 19 DATE 1999 11 20 Appendix B Continuous mode output The continuous output format is output as the display is updated The format is fixed except for baud rate data bits stop bits parity and the selectable checksum character The continuous output mode provides compatibility with METTLER TOLEDO products that require real time weight data for example Models 8624 9323 9325 and 9360 accessories Continuous data output at a 1200 baud rate will slow the display update rate Use 4800 baud or faster to maintain the maximum update rate The continuous output includes status bytes that indicate the operating conditions in the terminal Char 1 Status Displayed Weight Tare Weight acter 2 3 4 3 6 7 8 9 10 11 12 13 14 15 16 17 1 Data S S S S M L M L C C T W W WIS S S S R H X A B C D D D D K Note
17. ck ID that means the Truck ID record transaction is valid No blink means invalid transaction 3 3 2 Recall a Truck ID Tare 1 Press TRUCK ID key 8142Pro display id prompt 2 Use the numeric keys to enter the truck number then press ENTER key Display shows the truck tare weight corresponding to the truck 3 Press TARE key 8142Pro recall the tare value corresponding to the above entered TRUCK ID then return to net operating mode from Gross mode 3 3 3 Display a Temporary Truck ID Tare 1 Press TRUCK ID key 8142Pro display id prompt 2 Use the numeric keys to enter the truck number then press ENTER key the display shows the stored tare corresponding to the stored TRUCK ID 3 Press ENTER key the 8142Pro will return to the normal operating mode 3 3 4 Clear Truck ID Tare e Clear All Truck ID Tare 1 Press TRUCK ID key 8142Pro display id prompt 2 Press CLEAR key the display shows Clr ALL prompt 3 Press 1 to clear and O or EXIT key to cancel the operation e Clear a Truck ID Tare Press TRUCK ID key 8142Pro display id prompt Use the numeric keys to enter the truck number then press ENTER key to terminate the number entry Press CLEAR key the display showes Clr it prompt A all Nae ES Press 1 to clear and 0 or EXIT key to cancel the operation 3 4 Recording a Weighing Transaction 3 4 1 Recording a Weighing Transaction 1 Wit
18. ents 12 Inc 1000d 20004 25004 3000d 4000d 5000d 6000d 8000d 10000d 20000d 50000d e o ele ojo N j o 2 5 Qi wm Qi foo so io T120 160 200 1150 200 250 300 400 500 300 woo soo 600 8oo 1000 600 800 1000 _ 1200 1600 2000 00 1250 i1500 2000 2500 3000 4000 5000 00 2500 3000 4000 5000 6000 8000 10000 000 5000 6000 8000 10000 12000 16000 20000 0000 12500 15000 20000 25000 30000 40000 50000 0000 25000 30000 40000 50000 60000 80000 100000 20000 40000 50000 60000 80000 100000 120000 160000 200000 50 dd IN apr li Rl aI NOPE nt Nple oljojojojo ojojo zers elo o o Kal vil N NES INE beIN eA JN ololeololjeoljojojlo ojojo i TS e e o E N 5o F1 2 5 Increment Size Press O key to toggle through valid selections The available increment size are 0 001 0 002 0 005 0 01 0 02 0 05 0 1 0 2 0 5 1 2 5 10 20 and 50 F1 3 X Linearity Correction 0 Disable linearity correction 1 X X Enable linearity correction F1 4 X Zero Adjustment X 0 Disable zero adjustment X 1 Enable zero adjustment 8142Pro shows E SCL prompt Remove any weight on the platform and press ENTER key 8142Pro automatically proceeds to capture zero and the display count down from 15 to 0 then advances to the next parameter setting F1 5 X Span Adjustment X 0 Disable span adjustment X
19. er If the shipping container is damaged check for internal damage and file a freight claim with the carrier if necessary If the container is undamaged unpack the 8142Pro scale instrument from its protective package noting how it was packed and inspect each component for damage 2 2 Electrical Connections Printer Scoreboard Power Cord 2 2 1 Connect the Load Cell 8142Pro powers up to eight 350Q analog load cells The wiring between 8142Pro and junction box is standard 6 wire cable The analog load cell connector to the terminal is a 9 pin D SUB female connector The following diagram shows the pins assignments for 9 pin D SUB connector Pin 9 is used to connect to the outer shield layer of cable SIGNAL EXC SEN SHLD SEN EXC SIG SIG GND PIN 1 2 3 4 5 7 8 9 2 2 2 Serial Port COM1 Connection The serial port COMI consist of RS 232 and 20 mA current loop The maximum recommended cable length for RS 232 interface is 50 feet The maximum recommended cable length for 20 mA interface is 1000 feet The serial port COM1 connector is a 25 pin D SUB female connector The following diagram shows the pins assignments for COM1 connector SIGNAL PIN SHIELD GROUND 1 TXD RS 232 2 RXD RS 232 3 SIGNAL GROUND 7 19 22 23 CLRX 8 16 CLTX 9 CLRX 10 18 Note The transmitter of 20 mA current loop is active the receiver is passive Belo
20. er setting B F1 3 1 With Linearity Correction E SCL Remove any weight on the platform then press ENTER key 8142Pro automatically capture zero and the display count down from 15 to 0 Add Hi Place a test weight on the platform equaling at least 60 of scale capacity then press ENTER key 00000 Enter the amount of test weight you added above then press ENTER key 8142Pro automatically capture full scale and the display count down from 15 to 0 Add Lo Place some test weight on the platform make the test weight on the platform equaling between 30 and 60 of the scale capacity 00000 Enter the amount of test weight on the platform then press ENTER key 8142Pro automatically capture mid scale and the display count down from 15 to 0 When the calibration completed the display shows CAL d then continue to the next parameter setting X The Expanded Weight Display X 0 Normal weight display mode X 1 Weight displayed in minors 1 displayincrement 10 minors Application Environment Program Block X The Power up Time Delay O Disable the power up time delay The power up time delay is 10 minutes 2 The power up time delay is 20 minutes 3 The power up time delay is 30 minutes Zero Operation Select ENTER key to enter zero operation or select O key to skip without zero operation F2 2 1 X Power up Zero Operation 14 X 0 Power up zero disabled X 1 Enable power up zer
21. eshold value then above it will enable the autoprint otherwise no output F6 F6 1 X X 0 X 1 F7 F7 1 X X 0 X 1 F7 2 X X 0 Operation Program Block Truck ID TARE Truck ID TARE disabled Truck ID TARE enabled Diagnostics and Maintenance Program Block Memory Test Disable memory test Enable memory test 8142Pro tests the 8142Pro s internal memory The memory test includes the program memory internal RAM of CPU external RAM and EEPROM on the main board The results of the memory tests are displayed on the 8142Pro and advances to next parameter setting Display Test Disable display test F7 3 F7 4 F7 5 F7 6 F7 7 18 X 1 Enable display test 8142Prot goes through a display test sequence The display test sequence includes all segments of the display windows are lit then shows the software part number and revision number and advances to next parameter setting X Keyboard Test Disable keyboard test Enable keyboard test Press ENTER key to show the value of a key to be pressed press EXIT to exit keyboard test pap ll X Scale Calibration Factor Test Disable the display of scale calibration factor Enable the display of scale calibration factor Press ENTER key to show the empty scale reading pap ll RO FinEO The Display shows prompt for 2 seconds then xxxxx The Display shows the empty scale reading m Press ENTER key to show
22. h the truck on the platform 2 Press RECORD key 8142Pro display id prompt 3 Use the numeric keys to enter the truck ID then press ENTER key 8142Pro will recall the tare weight of this truck and go into Net mode If no truck ID entry just press ENTER to skip 4 Press ENTER PRINT key 8142Pro will display PS that means to store a weighing transaction and initiate a demand print output Note The maximum transaction for 8142Pro 7 to record is 500 db FULL stands for the memory is full and can t accept new transaction 3 4 2 Clearing All Weighing Transactions 1 Press REPORT key 8142Pro display total prompt 2 Press CLEAR key the display showes Clr ALL prompt 3 Press 1 to clear and O or EXIT key to cancel the operation 10 3 5 Report Operation 3 5 1 Report by Truck ID 1 Press REPORT key 8142Pro display total prompt 2 Press TRUCK ID key the display show id prompt 3 Press PRINT key 8142Pro print out the following TRUCK ID TRANSACTION table DATE TIME 1999 02 26 08 26 CN TRUCKID TARE kg SUBTOTAL kg TRANSACTIONS 1 12345678 1250 24600 26 2 13579 530 578960 580 3 24680245 2680 4600 2 TOTAL 608160 kg TOTAL TRANSACTIONS 608 3 5 2 Report by Date Press REPORT key 8142Pro display total prompt Press ENTER key the display show dAtE prompt Use the numeric key to enter 4 digits date month and da
23. le or indicator before you have determined the source of the problem Begin by performing the diagnostic tests described in Chapter 4 If the problem persists you can use the error codes table below to help identify the problem 5 4 Error Codes and Actions The following table lists the 8142Pro s error messages with possible cause and remedy Error Code x Description 2 Replace EPROM 2 Replace CPU 2 Replace EEPROM KAN 2 Replace external RAM 2 Replace main PCB E 32 Insufficient calibration test 1 Add additional test weight weight or insufficient signal from load cell Calibration test weight too large 1 Decrease test weight value entered is a multiple of the setup increment 2 Replace main PCB E61 Nopaperofprinter gt E62 Theprinterisbusy J gt gt S O E63 Theprinteriserror J E64 Theprinterisinterrupt J E 65 Printercontrollereror id FULL Truck ID TARE overflow Delete unnecessary Truck ID TARE Power warm up overtime 20 5 5 Testing Operational Voltages OSSA 10V CE 4 E 35 um mn le M NT IP E o ed 9 E H ih 2 E D 0 d gt 5x m t p O 0
24. ment ies en a F2 1 P2 2 Power up delay Printer selection Print format selection anl a NI E22 F2 2 2 Pushbutton zero range F2 2 3 AZM AZM P2 3 F2 3 1 F2 3 2 F2 3 3 F2 3 4 F2 3 5 Keyboard Tare enable p24 F2 5 Digital filter 2 5 F7 1 Memory test NA F2 5 1 1 F7 2 Display test NA F7 3 Keyboard test NA F7 4 Calibration factor NA F7 5 Serial port test NA F7 6 Parallel port test NA F7 7 Print setup parameter NA F7 8 Reset factory default NA n Nn U Ticket literal F1 6 N F1 7 Expanded display 1 3 T xd EN Auto print Operation program F Truck ID function 1 ON na F CONTENTS 1 INTRODUCTION pna GUAN NPA KAKA RP AARIIN 1 1 1 8142PROE TIE EA TURES titi 2 1 2 S1T42PRO SPECIFICATIONS 5e eto ds A kb cepa ee aeu pee uu ep vu reve Cu v eee euge e Buy ur eee 2 1 3 ORDERING INFORMATION 1224042 aeree tete a BANGA reete est pe de taba Ee li head 3 25 INSTALLATION fermer 4 2 1 UNPACKING AND INSPECTION cccccccccccccscsecccesesccesescsesesesesesssesesesesesesesssesssesesssesesssessssssssscscssssssssssesesssesesesevevevens 4 2 2 EEECTRICAE CONNECTIONS vasarale NENA NINITING NIDO NANA MINANANG 4 2 3 8142PRO JUMPER AND SWITCH SETTINGS 0 010501000 0 6 2 4 MINIMUM INCREMENT SIZE FOR ANALOG SCALE INPUT oocccccccncnnnnonononononononononononononononononononononononononononononeninoneso 6 3 S142PRO OPERATIONS bA RUBI eh eo eVe saeua Foo an a Ei a E Ean E E
25. o within 296 FS range X 2 Enable power up zero within 20 FS range F2 2 2 X Pushbutton Zero Operation O Pushbutton zero disabled 1 Enable pushbutton zero within 2 FS range 2 Enable pushbutton zero within 3 FS range 3 Enable pushbutton zero within 20 FS range xx Xxx F2 2 3 X Auto Zero Maintenance X 0 AZM disabled X 1 AZM within 0 5d window X 2 AZM within 1 0d window X 3 AZM within 3 0d window F2 3 k Tare Operation Select ENTER key to enter tare operation or select 0 key to skip without tare operation F2 3 1 X Enable Tare O Tare disabled Tare enabled xX I F2 3 2 X Tare Interlock xX II O Tare interlock disabled 1 Tare interlock enabled F2 3 3 gt Auto Tare Auto tare disabled Auto tare enabled if the weight is more than 5d and in stable condition 8142Pro will auto tare pap ll F2 3 4 X Auto Clear Tare X 0 Auto clear tare disabled X 1 Auto clear tare enabled if the scale is in gross zero and 8142Pro will auto clear tare F2 3 5 XX Keyboard Tare Enter the range of the keyboard tare XX is the percent of FS XX 0 means keyboard tare disabled F2 4 X Motion Sensitivity X 0 Motion detector disabled X 1 1 0d motion sensitivity X 2 F2 5 2 0 3 0d motion sensitivity Digital Filter X X is the number data entry for the low pass filter corner frequency 0 5 9 9 F2 5 1 X X 0 X 1 F3 F3
26. t truck D related transaction times of be accumulated 5 Press any key 8142Pro returns to normal operating mode 4 Programming and Calibration This chapter discusses 8142Pro s parameters setting and calibration Please read this chapter thoroughly before you begin programming and calibration 4 1 Entering Parameters Setting and Calibration Openning the enclosure set the K1 1 to ON position 8142Pro shows F1 automatically to express it has been in the setup mode In the setup mode The following several keys can be used to access programming and calibration q Used to display the next selectable value ZERO Used to back up in the current program block and return to the previous step EXIT Used to exit back to the first step of the current block or of the previous block ENTER Used to complete a response and display the next parameter Numeric Keys Used to input numeric entries such as scale capacity 4 2 Parameters Setting F1 1 Scale Interface Program Block F1 1 Scale Capacity Entering the desired scale capacity using the numeric keys then press ENTER key In the normal operating mode if the weight on scale exceeds 9 increments over capacity 8142Pro will display over capacity message The scale capacity is only entered according to the following Table 1 other scale capacities can not be accepted 4 2 1 Table 1 Scale capacity selection Total Increm
27. the span reading SPA1 The Display shows prompt for 2 seconds and then xxxxx The Display shows the MSD of the span reading m Press ENTER key to show the span reading SPA2 The Display shows prompt for 2 seconds then xxxxx The Display shows the LSD of the span reading X Serial Interface Test The Serial Interface Test tests the serial ports COM1 or COM2 You can shorten TXD and RXD the 2 digits on the left shows the transmitted data the 2 digits on the right shows the received data 8142Pro scrolls from 1 to 99 If the data is equal that means the serial port is working fine The serial interface test is useful in hardware diagnostics Press Exit for exit the test F7 5 1 X COM1 Test X 0 Disable COMI test X Enable COMI test X Centronics Interface Test Disable Centronics interface test Enable Centronics interface test Before test connect 8142Pro with a printer with Centronics parallel port and the printer will print prompt message Parallel Port Test Complete to show the test is OK if 8142Pro shows error message that means something wrong with the port x lt Il o X Programming and Calibration Parameters Print out X 0 Print setup and calibration parameters disabled X 1 Print setup and calibration parameters through Centronics parallel port F7 8 X Reset to Factory X 0 Disable reset to factory X 1 Enable reset to factory default 8142Pro shows LoAd X prompt
28. w is the pin assignment of 8142Pro 7 to the scoreboard COM at 8142Pro 7 Mettler Toledo Scoreboard 9 1 CLRX 7 2 CLRX If you want to connect your 8142Pro 7 to the computer please refer to the below sheet for pin assignment COM1 Computer 9 pin Computer 25 pin 2 2 3 3 3 2 7 5 7 2 2 3 The Parallel Interface The parallel interface is standard Centronics printer interface It is used to connect to a printer The parallel port connector is a 25 pin D SUB female connector The following diagram shows the pins assignments for connector SIGNAL PIN SIGNAL PIN STRORE 1 PAPER EMPTY parem 2 gt os fs DATA BZ 4 f DATA eS SE DATA BA e Dar s omas 9 i EE 2 3 8142Pro Jumper and Switch Settings Jumper and switches on the main PCB should be set as follows e K1 1 is the setup enable switch This switch should be ON to access all setup parametersand be OFF in operation mode K1 2 is selection switch for comma This switch should be ON to display comma not decimal point K1 3 is used to access factory test mode This switch is always OFF in the normal operation mode K1 4 is used to access factory test mode This switch is always OFF in the normal operation W1 jumper should be removed for 3 mV V installed for 2 mV V analog load cell 2 4 Minimum Increment Size for Analog Scale Input The minimum increment size selection
29. y Press PRINT key 8142Pro print out the following TRANSACTION table BWN eR DATE 1999 02 26 CN TIME TRUCK ID CARGO ID CLIENT ID GROSS kg TARE kg NET kg 1 08 10 12345678 03 15 3250 1200 2050 2 09 20 24680 16 01 24360 7650 16710 3 09 25 2468310 08 20 5800 850 5950 Accumulated Gross 33410 kg Accumulated Net 24710 kg 3 6 Recall Operation 3 6 1 Recall CN Consecutive Number 1 Press RECALL key 8142Pro display TECALL prompt 2 Press CN key 8142Pro display the next CN Cn 0021 3 Press any key 8142Pro returns to normal operating mode Note The CN is automatic generated by 8142Pro and you can t change that by yourself The CN will come back to 1 after the transaction are all cleared 3 6 2 Recall Total 1 Press RECALL key 8142Pro display rECALL prompt 2 Press REPORT key 8142Pro display the current accumulated value Since Pro7 only has 7 digits if the accumulated value is more than 7 digits the rest of them will be displayed first for 3 seconds and then display the least significant 7 digits 3 Press any key 8142Pro returns to normal operating mode 3 6 3 Recall Subtotal by Truck ID 1 Press RECALL key 8142Pro display rECALL prompt 2 Press TRUCK ID key 8142Pro display id prompt 3 Use the numeric key to enter truck ID then press ENTER key 8142Pro display the current truck ID related subtotal 4 Press ENTER key 8142Pro display the curren
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