ld 5218 user manual
Contents
1. M S A MASTER SLAVE protocol A network address EDP Protocol output R PRN Remote printer 9 2 1 WEIGHT OUTPUT A data block is output continuously from Tx terminals containing weight and status information The output may be programmed in SYSTEM SET 1COM or 2COM to be directed to any of serial ports 1 or 2 It is possible to output simultaneously to both ports DATA BLOCK COMPOSITION STATUS POLARITY WEIGHT SYNC P 123 45CR DESCRIPTION WEIGHT Bit0 0ZNORMAL 1 NO WEIGHT DISPLAY STATUS Bitl 0 GROSS 1 NET Bit 02 1 AUTO ZERO Bi3 O WITHIN RANGE 1 OUT OF RANGE Bit O NOSTANDSTILL 1 STANDSTILL Bits 0OZNORMAL 1 UNDER MIN WEIGHING RANGE Bit6 ALWAYS 1 TO OBTAIN PRINTABLE CHARACTERS Bit ZERO OR PARITY POLARITY OR WEIGHT 6 DIGITS DEPENDING ON LD5218 SET UP DIGITS INCLUDING DECIMAL POINT IF ANY SYNC CR 0d hex FOR SYNCHRONISATION 9 2 0 REMOTE PRINTER MODE R PRN Transmits the data printed on the local printer to a remote printer No handshake is required LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE Lo 18 of 26 Recon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 9 2 3 EDP PROTOCOL OUTPUT EDP This mode is used to transmit the data printed to a host computer Transmission will begin after completion of printing ACK NAK handshake or no handshake may be used The host must reply with ACK 06 h if it received2. weighing and simple weighing protocols The printer driver and error control maybe selected in SYSTEM SET 1COM PRN TYPE and maybe one of EP FX Epson Fx mode or TM 295 Epson TM295 slip printer Continuous weight output mode The weight is being transmitted continuously The data format is defined in 9 2 1 Demand mode When a demand character is received the unit saves the weight in its Alibi flash and then transmits the Alibi number and the weight i e 1234 012340kg G CR LF The demand character may be programmed in SYSTEM SET 1COM ADDRESS ALIBI A where A 41h will generate and transmit a new Alibi number and a 61h will repeat the last Alibi number in case the message was not received properly The port is inactive LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE Lo 17 of 26 Leon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 9 2 SERIAL COMMUNICATIONS PORT 2 RS485 TYPE Asynchronous serial ASCII half duplex PROTOCOL 2400 to 57600 baud 1 start 7 or 8 data 1 Even parity 1 stop bit CONNECTION DB9 female on rear panel J3 A Pin6 B Pin7 SHIELD Metal case of D Type connector A termination resistor 120R may be connected by shorting pins 8 and 9 Cable 2 conductor twisted pair and shielded max distance 1000m OPERATION Software operation of the port is selectable in SYSTEM V SET 2COM menu W OUT continuous weight output
3. E67 TM CHECKSUM Corrupted totaliser Clear totalising memory TFIIE submenu E69 TM OVERFLOW TOTALISER OVERFLOW Print clear totaliser Overflow is not Because totalisers have not been critical but remember that 1 total cleared for long time capacity must be added to the indication each time an overflow occurs E77 WM CHECKSUM Corrupted weighing memory Use DELETE menu in the VFILE to clear weighing memory To exit from error display press ESC or LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE Lo 23 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 11 MAINTENANCE The unit does not require any routine maintenance It may be necessary to perform periodic checks of the calibration of the scale due to mechanical reasons The frequency of the calibration checks depends on the application condition and on the required measuring accuracy It may happen that in exceptional conditions the unit locks on a wrong memory location and it is not possible to restart because the keyboard is not operative To restart is necessary to switch the power OFF then ON again 11 1 SERVICE There are no serviceable parts The unit must be serviced by trained personnel only The user may check loadcell connection and power supply LOAD CELLS Load cells are reliable and very rarely present errors Check input and output resistance and resistance b
4. Your Company s Name Address City State Postal Code Telephone Fax Where did you hear of LEON ENGINEERING s products Local Dealer Magazine Add _ Direct Mail _ Exhibition _ Other How many additional scales of this type will you require Will you be purchasing any of the below in One month Three months Six months Over six months Weighbridges Platform Scales Batching systems Weighing machines Computer based weighing systems LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE o 26 of 26
5. icon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight ELECTRONIC WEIGHING TERMINAL LD 5218 USER MANUAL HEAD OFFICE 41 Arkadias Str 11527 Athens GREECE Tel 30 1 7770 936 7702998 Fax 7758925 THE NETHERLANDS International Operations Paardeweide 11A 4824 EH Breda The Netherlands Tel 31 76 543 05 01 Fax 31 76 543 05 02 Email address tsc breda scalecompany com v If you have any questions Email address leon leon engineering com v If you want to visit us http www leon engineering com This manual contains proprietary information protected by international copyright laws No part of this document maybe reproduced without the written agreement of the publisher LEON ENGINEERING The information herein is believed to be both accurate and reliable LEON ENGINEERING however would be obliged to be informed if any errors occur LEON ENGINEERING cannot accept any liability for direct or indirect damages resulting from the use of this manual LEON ENGINEERING reserves the right to revise this manual and alter its content without notification at any time LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE oo 1 of 26 Leon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight Table of Contents 1 INTRODUCTION 2 INSTALLATION 2 Mounting 2 0 Wiring 2 3 Power 2 4 3 FRONT PANEL DES
6. the data correctly or NAK 15 h to enable retransmissions DATA BLOCK COMPOSITION gt STX 02 h start of text character DATA Printable ASCII data identical to the data printed ETX 03 h End of text character BCC Block check character XORSUM of all data characters STX ETX inclusive HANDSHAKE ENQ 05 h from host within 5 sec of protocol initialisation ACK 06 h from host within 5 sec after the end of transmission NAK 15 h from host within 5 sec after the end of transmission to enable retransmissions of the block The number of repeats is unlimited ERRORS Em30 Host not ready Err 33 Host not Acknowledge Refer to Error chapter for details on error response SETUP REQUIREMENTS 2COM EDP ERROR CTRL No Yes PROTO A N No Yes DIS PROTO No Yes HOST ENQ No Yes ERROR CTRL The LD5218 checks the on line status of the interface and reports an error if failure is detected PROTO A N The LD5218 will check for reception of ACK NAK character after transmission DIS PROTO The operator will be prompted to disable further transmission s if an error occurs if DIS PROTO YES Transmission will be enabled again after a power on reset If DIS PROTO NO only the current transmission will be aborted HOST ENQ The LD5218 waits for ENQ 05h character before it begins transmission LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE oo 19 of 26 icon Engineering INDUSTRIAL WEI
7. A Technology and reliability that carries weight 8 4 TEST UTILITIES TEST Contains software utilities to assist service personnel in pinpointing hardware software failures The tests may be activated from the SYSTEM TEST submenu A short description of the available functions follows below It is assumed however that service personnel are familiar with microprocessor controlled weighing electronics If password is activated PIN SYS is required to enter the test menu Use the A or V arrow keys to select the test item and press AE A D Displays the analog to digital converter internal counts Press ESC to exit CVM The actual mV V output of the scale sensors is displayed To act as a mV V meter the unit loads default calibration data The decimal point is not displayed Axxxxx corresponds to scale 1 Bxxxxx to scale 2 Press Esc to end The unit restarts Key in a value from 0 65535 corresponding to 0 24mA or 0 10V Press Esc to end The display shows INP 0 OUT 00 the state of the system inputs or outputs represented by 0 or 1 Press 1 or 2 to toggle outputs 1 or 2 respectively Press Esc to exit Display blanks When a key is pressed the corresponding two digit code appears on 2 rightmost digits of display Press Esc to exit Displays the character set in sequence Memory test submenu A validity check is performed on system ROM and RAM Err 01 will be displayed if ROM data is corrupted E
8. CRIPTION 3 1 WEIGHT AND OPERATOR DIALOGUE DISPLAY 3 2 KEYBOARD DESCRIPTION 3 3 MENU STRUCTURE 4 WEIGHING OPERATIONS WEIGHBRIDGE 4 1 FIRST WEIGHING 4 2 SECOND WEIGHING 4 3 PIECE COUNTING 4 4 EDIT SETPOINTS 4 5 COPY WEIGHING TICKET 4 6 ALIBI MEMORY VEHICLE FILE OPERATIONS VFILE TOTALISERS TFILE MISCELLANEOUS MISC SYSTEM OPERATIONS 8 1 DATE TIME SERIAL PRINT NUMBER EDIT DATE 8 2 PIN PASSWORD PROTECTION SYSTEM PIN 8 3 PROCESS PARAMETERS PRP 8 4 TEST UTILITIES TEST 9 COMMUNICATION PORTS 9 1 SERIAL COMMUNICATION PORT 1 RS232C 9 2 SERIAL COMMUNICATIONS PORT 2 RS485 9 2 1 WEIGHT OUTPUT 9 2 2 REMOTE PRINTER MODE R PRN 9 2 3 EDP PROTOCOL OUTPUT EDP 9 24 MASTER SLAVE NETWORK 10 ERRORS 10 1 ERRORS DUE TO HARDWARE 10 2 OPERATIONAL DATA ERRORS 10 3 PRINTER PROTOCOL ERRORS 10 4 WEIGHING PIECE COUNT ALIBI MEMORY ERRORS 11 MAINTENANCE 11 1 SERVICE 12 APPENDIX A setup amp calibration record ANNEX A containing installation schematic drawings and connector pin outs comprises of 12 pages LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 2 of 26 Recon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 1 INTRODUCTION The electronic weighing terminal model LD5218 is a compact microcontroller based unit specifically designed for use on systems utilising strain gauge load cells It offers excellent weighing performance protocol printout
9. ERATION M S A Y EDP DATA ERROR KBD RETRY DIS PROTO X MIT z ERROR HOST CTRL RESULT COM DS CTRL PROTO A N DIS PROTO ENQ CALIBRATION SCALE OUTPUT MODE CURRENT RESOLUT OPERATION NE ERROR LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 25 of 26 Leon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight GUARANTEE CERTIFICATE We guarantee the proper operation and either cover free restoration of any probable malfunction of the electronic indicator at our premises or replace of the electronic indicator according to our company s judgement for the period of __ months from the delivery day of the scale provided that The damage did not occur from the buyer s fault or from not following the instructions No intervention of non authorised by LEON ENGINEERING S A personnel has taken place for checking or repairing the equipment 3 The WARRANTY RETURN CARD has been returned to LEON ENGINEERING In case of fault the unit should be returned to LEON ENGINEERING at the buyer s expenses EQUIPMENT MODEL LD 5218 SERIAL NUMBER Warranty Return Card Please complete and return this card to LEON ENGINEERING S A in order to have your new Indicator registered for warranty Please keep Guarantee Certificate for your records Model Serial Number Date Received P O Number Dealer from which this scale was purchased Individual responsible for this purchase
10. GHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 1 TRANSMITTER RECEIVER HOST COMPUTER 2 TRANSMITTER RECEIVER HOST EXAMPLE REPEATED TRANSMISSION TO HOST TRANSMITTER RECEIVER HOST EXAMPLE CORRECT TRANSMISSION TO HOST WITH ENQUIRY CONTROL LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE o 20 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 9 2 4 MASTER SLAVE NETWORK A number of LD 5218 units maybe connected as slaves in a network The master controlling the network maybe a Personal computer with RS485 adapter In this manner all units may have access to weighing data in the Master s memory or storage device When connected in network the following modes of operation maybe selected according to setup SYSTEM SET 2COM SET UP SLAVE SLAVE WITH SLAVE WITH REMOTE SLAVE WITH LOCAL PARAMETER LOCAL WEIGHING MEMORY amp REMOTE WEIGHING WEIGHING MEMORY MEMORY TYPE SLAVE 65 89 65 89 65 89 65 89 ADDRESS A Y A Y A Y A Y X MIT RESULT YES NO YES NO YES NO YES NO REFER TO LEON ENGINEERING SERIAL INTERFACE PROTOCOL LESIP FOR DETAILS OF HARDWARE CONNECTION FILE TYPES AND NETWORK OPERATION SLAVE Returns status and weighing results Address of slave A Y for MASTER SLAVE protocol Error control on communication sessions Operator response to communication erro
11. ackets is the actual measured weight MF is the key to the memory location where the weight is stored and can be used to retrieve the first weight during a second weighing Display returns to weight indication NOTE 1 While printing of weighing ticket the message PRINT appears on the display If E 20 PRN NOT RDY is displayed check that the printer is ON LINE Pressing CE the message RETRY AE Y CE N is displayed Press AE key to retry or to abort If more reference codes have been programmed they will be printed below PRODUCT LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE 0 9 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight Errors relevant to Ist weighing E40 0UT OF MEM W Weighing memory full Clear some unused space and repeat operation E41 INVALID LD Invalid or no ID entry Enter 1st weighing data E42 V CLE IN W F A first weighing has already Retry entry or carry out a 2nd weighing or been made for this vehicle delete the 1st weighing from memory E43 SCALE TARED Scale is tared Turn to gross and repeat operation E44 NEG WEIGHT Negative weight Check scale repeat operation E45 SCALE MOT Scale in motion Wait for the scale to stabilise and repeat operation Press CE to acknowledge errors 4 2 SECOND WEIGHING When a vehicle returns to the weighbridge it is completely weighed with the second weighing
12. cord CHECKSUM VEHICLE FILE It performs a checksum on the vehicle file memory to verify that the memory is intact Display shows WAIT If the memory is correct CHECKSUM OK is displayed briefly If the memory is not correct E77 WM CHECKSUM is displayed Press Esc to acknowledge the error The display will prompt you to correct the file or not Press AE to correct or to leave it as it is The file should be printed first to see whether the stored data is correct If the data seems incorrect the whole file should be deleted DELETE SUBMENU The utility allows the user to delete vehicle file entries The display shows PIN OPER Enter the user password to proceed or press Esc to exit Select TARE to delete all fixed tare weighings Select FIRST to delete all first weighings Select ALL to delete the entire file Select SELECT to delete specific vehicle s weighing Before deleting the terminal will remind the operator of the delete memory operation If an operator Personal Identification Number has not been activated the PIN OPER step is bypassed LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 13 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight SIZE It displays relevant file information USED xxx refers to the number of records of this file FREE xxx refers to the total remaining number of re
13. cords Press any key to return to the menu 6 TOTALISERS TFILE Contains the sum of the Net weights obtained in the 2 weighing dialogue It is selected via the TFILE submenu and contains 2 totalisers STOT Subtotal of net weights Press to print to reset TOTAL Total of net weights Press to print to reset Press Esc to exit 7 MISCELLANEOUS MISC Contains information for Weights amp Measures Authorities or Service personnel INFO Displays the model and serial number of the indicator IOIML Verification of calibration data for scale 1 The display shows SEALED briefly if CAL LOCK jumper is inserted Then the display shows A T CNT xxxxxx A T CNT Audit Trail Counter is provided for Weights amp Measures Authorities to check if any calibration attempt has been made since the last inspection The A T CNT 6 digits is incremented when a weight parameter is changed or a scale calibration is attempted regardless if the changes are saved in EEPROM or not Press Display shows ICAL SETUP xx yy where xx the checksum of calibration parameters and yy the checksum of SETUP parameters 20IML Verification of calibration data for scale 2 if installed Identical with 1OIML submenu BATTERY The battery charge will be displayed as a percentage of the remaining capacity battery models only HIGH RES The weight display accuracy will be increased 10 times While in high resolution mode the d
14. d menu system realised on the front panel display Access to menu system items may be subjected to password entry if activated in order to avoid accidental data changes To select menu items use the A or V arrow keys and press Menu or displayed item To enter the menu press Menu while in weight display mode To exit the menu press Esc to activate the The contents of the menu system is listed below WEIGH PCS CNT SETP COPY ALIBI PRINT EDIT TARE CSUM DEL SIZE STOT TOTAL INFO IOIML 20IML BATTERY HIGH RES SYSTEM DATE PIN PRP ICAL 2CAL D A CAL SET TEST Piece count Setpoint inspect modify Copy last weighing ticket VIEW PRINT CSUM Alibi memory TARE FIRST ALL SELECT submenu Edit tare weighing memory File verification TARE FIRST ALL SELECT submenu delete File information of occupied and available records Subtotal of net weights Press to print to reset Total of net weights Press 9 to print CE to reset Indicator model and serial number Display Audit Trail Counter W amp M Seal status channel 1 Display Audit Trail Counter W amp M Seal status channel 2 Display remaining battery capacity of max capacity Increases the weight display resolution 10 times Edit date time and serial print number User password protected PIN SYS PIN OPER Software lock handling Personal I
15. dentification Number Weighing process parameters inspect modify PAR ZERO SPAN INIT WRITE calibration menu for input 1 PAR ZERO SPAN INIT WRITE calibration menu for input 2 0 20mA 0 10V analogue output calibration Operational setup submenus Hardware and software service aids SYSTEM OPERATIONS MAY BE USER PIN OPER OR SERVICE PIN SYS PASSWORD PROTECTED PASSWORDS ARE ACTIVATED FROM SYSTEM PIN MENU PAR amp ICAL 2CAL MENUS ARE HARDWARE PROTECTED BY CALIBRATION SEAL DELETE OPERATIONS ARE USER PASSWORD PROTECTED Document LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LDS218 O UE Lo 8 of 26 Leon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 4 WEIGHING OPERATIONS WEIGHBRIDGE This section contains information on operating procedures for the LD 5218 controller equipped with software for weighbridge application The weighing operations are performed via weighing dialogues that involve identification of the weighing administrative data related to the weighing and printing of the weighing protocol The terminal s software is based on a First and Second weighing principle Known vehicles with a fixed tare weight for which there is a need for second weighing only maybe programmed in the system via the VFILE menu For a weight transfer to occur from the scale to memory or printer the terminal checks that the no motion condition is
16. e replace battery 10 3 PRINTER PROTOCOL ERRORS E20 PRN NOT RDY PRINTER IS NOT ON LINE Check printer cables Either not connected or out of paper or failed E26 NO PAPER No paper for EPSON TM295 printer Supply with paper E30 HOST NOT HOST NOT ON LINE Computer not Check computer cables Retry RDY connected or communication link failed E33 HOST NOT Host not Acknowledge No correct The same action as with E30 ACK response has been received from host computer LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 22 of 26 icon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 10 4 WEIGHING PIECE COUNT ALIBI MEMORY ERRORS vehicle file weighing E42 V CLE IN W F A first weighing has already been Retry entry or carry out a 2nd made for this vehicle weighing or delete the 1st weighing from memory E43 SCALE TARED 1 or 2 weighing can not be GROSS must be activated performed if the scale has been tarred E44 NEG WEIGHT Negative weights can not be printed E45 SCALE MOT Non stable weights can not be Wait until no motion indication is processed on retry E47 OUT OF LIMIT Weight is out of limits E50 SAMPLE CNT Small sample count E51 SAMPLE WEIGH Small sample weight E55 ALIBI FULL Alibi memory full Acknowledge the error The unique identification number will reset to 0000 only gross but next records will be corrected
17. enu Display shows the number of pieces on the scale calculated using the average piece weight already stored in memory The piece count symbol is illuminated Press T to tare the scale Or press T to enter a manual tare Or press e to print weight and pieces PIECE COUNT USING SAMPLE Press key 4 while in piece count Display shows PIECES XX Add the sample on the scale key in the sample size and press AE PIECE COUNT USING AVERAGE PIECE WEIGHT Press key 2 while in piece count Display shows APW XXXXX Key in the average piece weight and press AE 44 EDIT SETPOINTS Selected via the WEIGH SETP submenu Display shows SETP 1 XXXXXX the existing setpoint value Key in the desired value and press AE Display shows SETP 2 XXXXXX the existing setpoint value Key in the desired value and press AE The setpoints are saved in EEPROM Program returns to main menu LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 11 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 4 5 COPY WEIGHING TICKET Selected via the WEIGH COPY submenu A reprint of the previous ticket is produced if no other action has taken place in the meantime 4 6 ALIBI MEMORY The purpose of the Alibi memory is to produce an accurate non modifiable record of each weight transmission to a host computer so that the weight may be p
18. etween any terminal and shield Check Load cell connection and cable POWER SUPPLY Check 9 15VDC power supply amp resettable fuse F4 on PCB 801 SETPOINT OUTPUTS Check 24VDC power supply amp resettable fuse F3 on PCB 801 LEON ENGINEERING maintains a fully trained staff of field service engineers who provide Technical assistance by telephone Application assistance on site or by telephone Trouble shooting on site Warranty replacement or spare parts assistance Training on site or at out service centre Equipment updates to our latest configuration Our engineers will check repair mechanical electrical electronic wiring and calibration errors LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE o 24 of 26 Recon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 12 APPENDIX A INSTALLATION SET UP amp CALIBRATION RECORD 2ND SCALE DISP DEC POINT s MOTION INIT ZERO DUAL A D AUTO BATTERY LEAD Z DIGITS IRANGE FILTER SAMPLES FILTER CONV BLANK S1 S2 ENABLE A D GAIN PR BELOW CAL MODE MIN DEAD LOADSI SPAN S1 DEADLOADS2 SPANS2 Cp Cu Cp Cm x OTALISING WEIGHIN REFR CODE WAIT 1 W PRINT USER KEY IN BRIGHTNESS DATE FORMA AUTO PWR M GMEM CODE MEM UNLOAD FORMS TIME OFF PARITY OPERATION PRN TYPE ERROR DATA CONTROL BAUD RATE PARITY OP
19. g of the display and keyboard operation 2 2 Wiring Use load cell cable 6 x 0 5 mm shielded for the sensor Use 3 x 0 34 mm shielded for RS232C connection and 2x0 34 mm twisted pair and shielded for RS485 connection Table top All connections to the instrument are made through the rear panel connectors Strain reliefs are supplied with the connectors The shield should be connected to the metal frame of the connector Stainless steel Remove the rear panel and lift it carefully Insert cables via the cable glands Strip and connect cables according to connector diagram in Annex A Connect the shields of the cables between the plastic part and metal case of cable glands or on screws supporting the pcb s Re install the rear panel 2 3 Power The instrument is powered from external power supply 9 15 VDC S500mA or battery As the instrument is computer controlled it requires clean power for reliable operation Power supplied should come from a source that is isolated from other process equipment A mains adapter 9VDC 700mA is recommended for operation LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE oo 4 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 2 4 Environmental And Electrical Considerations AMBIENT Storage 10 to 70 C TEMPERATURE Operating 10 to 40 C HUMIDITY 40 to 90 RH non condensing VIBRATION Severe vibratio
20. ion MF first weighing MT fixed tare M free location CODE 0 Max 16 characters the vehicle description e g vehicle plate Weight First weighing or Preset tare of the vehicle CODE 1 Max 16 characters description 1 default PRODUCT CODE 2 Max 16 characters description 2 default CLIENT Date time Date time of the weighing N W Serial number of the weighing Vehicle file operations are performed via the VFILE menu which contains 5 options PRINT EDITTARE CSUM DEL SIZE PRINT SUBMENU Allows the printing of the vehicle file contents Select TARE to print all fixed tare weighings Select FIRST to print all first weighings Select ALL to print all records of the file Select SELECT and key in the memory location MF or MT and AE to print the displayed record The program exits when the printout is completed or Esc pressed EDIT TARE OPERATION Allows preprogramming of known vehicles with fixed tare weight To edit a new record key in the vehicle description e g vehicle plate Then the fixed tare of the vehicle and data are linked to the weighing By default the displayed weight will be transferred to the preset tare field Proceed with relative descriptions e g client product If the code is already in the memory the display shows E42 V CLE IN W F It is not possible to correct a record It should be first deleted via the VFILE DELETE SELECT submenu using the memory location MT of the re
21. isplay will flash and printing is inhibited The display accuracy will return to normal resolution when the Esc is pressed 8 SYSTEM OPERATIONS Calibration of the scale hardware and software configuration and settings of the A D converters is done through the SYSTEM submenu Access to system menu items may be subject to password entry 8 1 DATE TIME SERIAL PRINT NUMBER EDIT DATE This is performed in the SYSTEM DATE menu in the SYSTEM menu if password is activated Key in the user or the service password to proceed Select DATE submenu Key in the new date time and print serial number If a field should not be changed then just press AE to go to the next field The default date format is Day Month Year The time format is Hours Minutes Seconds LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE 0 14 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 8 2 PIN PASSWORD PROTECTION SYSTEM PIN To safeguard against accidental system parameter alteration and or operational data erasure a two level password system has been implemented A system password PIN SYS that allows entry to all protected operations SYSTEM submenu and a user password that allows delete and date edit operations LD 5218 units are shipped with both password not active i e 000000 Once initialised the password will be required before entry to protected o
22. n can affect the accuracy of weighing and damage electric electronic components The surrounding air should be dust free and not contain any corrosive gasses or materials which could adversely affect the equipment PROTECTION IP40 for table top or IP65 for stainless steel ELECTROMAGNETIC Heavy electrical equipment should not be installed close to the weighing FIELDS equipment INCOMING AND Relays and contactors connected to the equipment must have reliable and OUTGOING SIGNALS effective interference suppression This also applies to other equipment located within a distance of 3m from out equipment Cabling must be performed according to normal practice WELDING on or in the vicinity of the equipment is strictly prohibited STATIC loads caused by thunderstorms have to be prevented from developing by use of reliable lightning conductors ENSURE that the cooling of the equipment is not obstructed LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE Lo 5 of 26 Leon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 3 FRONT PANEL DESCRIPTION v 1234 5 kg Net Cet SAE IET TUR UNT LE Ej LD 5218 4 CE Max 1500 3000 Kg ut a 1 Kg DK 0199 27 in g T Max C ab 3 1 WEIGHT AND OPERATOR DIALOGUE DISPLAY When the indicator is in the STAND BY mode it displays
23. ores up to 250 mixed first weighing or fixed tare weights date time print serial no and 2 reference codes A piece count facility with selectable sample size is included in the standard software The unit may be connected to a printer to produce reports of weighing protocols and data files The protocols printed may also be transmitted to a host computer Both printer and host interface can be active at the same time OPTIONS a 2 Analogue load cell input board PCB 765 b Analogue output 0 4 20mA or 0 10V 16 bits resolution PCB 761 remotely powered EXTENT OF SUPPLY A The standard supply includes The connection plugs for the load cell cable and peripherals 230V AC to 9VDC 700mA mains power adapter This manual Prior to unpacking the equipment examine the carton for exterior shipping damage and if any notify the carrier immediately Remove the equipment from the carton and plastic bag Inspect extent of supply for any sign of damage Save packaging material LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE 0 3 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 2 INSTALLATION 2 1 Mounting The mounting location must be such that the instrument is not subject to excessive vibrations heat or humidity Avoid direct sunlight on the front of the instrument The unit has to be installed at the right height to allow an easy readin
24. perations is permitted To activate change the passwords use the menu SYSTEM PIN Select PIN SYS for the service password or PIN OPER for the user password The PIN SYS is of higher order and must be activated before the OPERATOR PIN PASSWORD CHANGE INITIALISATION The display shows NEW CODE Key in the new password followed by AE The display shows CONFIRM Key in the same password followed by AE The new pin is stored and the display shows PASS briefly If the two entries are not the same FAIL is displayed briefly and the program returns with the old pin remaining in memory The password is saved and activated PASSWORD DEACTIVATION Entering zero s will deactivate the password The display shows NEW CODE _ Press 000000 followed by AE The display shows CONFIRM _ Press 000000 followed by AE WARNING Make sure you do not loose the code entered If the code is lost the unit must be returned to the factory to initialise the passwords and a fee will be charged 8 3 PROCESS PARAMETERS PRP These are operational and process parameters that allow configuration of the terminal in the working process environment Press A V to scroll trough the parameters S EMPTY 5 0kg Enter the weight that may remain on the scale and still be considered empty LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE Lo 15 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S
25. procedure Data entries are completed and the net weight is calculated Normally the first weighing is recalled from the vehicle file In cases where the vehicle is unknown to the terminal a first weighing must be entered from the keyboard to enable net weight calculation The second weighing dialogue is always terminated by the printout of the weighing protocol which may also be transmitted to a host computer if enabled in set up The net weight may also be totalised in a total and subtotal register The second weighing dialogue maybe initiated by pressing key 2 when the terminal is in the standby mode 1 Wait until no motion indication is on then press 2 key 2 Display shows VEHICLE briefly and the cursor blinks The vehicle s first weighing MF or fixed tare MT may be retrieved from the vehicle file with either two ways A Key in the digits of the memory key MF or MT followed by or B Key in the vehicle plate number followed by AE If it is in the weighing memory the first weighing is recalled and the program proceeds to step 4 Display shows P TARE 000000 The operator is asked to enter the preset tare of the vehicle to be used as first weighing The displays shows CLIENT Accept the retrieved data or enter new The displays shows PRODUCT Accept the retrieved data or enter new Proceed with entry of reference codes if any Weight ticket is printed An example of the 2 weighing default
26. rinted via the computer Alibi operation are selected via the WEIGH ALIBI submenu and contains 3 options VIEW The display shows SERIAL NUM 1234 where 1234 is the serial number of the last record Key in the 4 digit serial number desired and press AE The display shows the weight of this record N 1234 12 3456kg Only gross weights are stored Press V to view previous next memory locations Press 9 to print the serial number displayed plus the next nine locations PRINT Automatically prints a list of the contents of the Alibi memory The printer must be capable of printing on 80 columns paper compressed mode Empty locations are printed Corrupted locations are printed The program exits when the printout is completed or Esc pressed CSUM A checksum is performed on each Alibi memory record If an error is found E57 ALIBI CSUM is displayed Press Esc to exit If all is OK PASS is displayed briefly LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 12 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 5 VEHICLE FILE OPERATIONS VFILE The vehicle file stores the first weighings as well as fixed tare weighings of known vehicles It has a capacity of 250 records shared between first and fixed tare weighings in any analogy Each record consists of the following fields MEM Status and number of memory locat
27. rr 02 will be displayed if RAM data is corrupted If all memory is OK the display returns to MEM mode Any character received by COM 1 will be echoed and displayed in ASCII HEX at Rx1 Any character received by COM 2 will be echoed and displayed in ASCII HEX at Rx2 Note Set ERROR CTRL NO at SYSTEMNSETM COM submenu to perform this test with a PC SUBMENUS ICAL 2CAL D A CAL SET ARE DESCRIBED IN LD5218 TECHNICAL MANUAL LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE oo 16 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 9 COMMUNICATION PORTS The instrument is equipped with two communication channels for connection to serial peripheral devices such as printers remote displays host computers 9 1 SERIAL COMMUNICATION PORT 1 RS232C TYPE Asynchronous serial ASCII full duplex PROTOCOL 2400 baud 1 start 7 data even parity or 8 data no parity set up selectable 1 stop bit HANDSHAKE DTR BUSY per character for fanfold printers or REQUEST PAPER END STATUS for EPSON TM 295 slip printer CONNECTION DB9 male on rear panel J1 Tx Pin3 Rx DTR Pin2 GND Pin5 SHIELD Metal case of D Type connector Cable 3 conductor shielded max distance 15m OPERATION Software operation and printer interface of serial port 1 is selectable in SYSTEM SET V 1COM and maybe one of the following modes Printer mode Prints the 1 weighing 2
28. rs Retry or Abort ACK NAK handshake is mandatory during file transfer except for keyboard commands Setup parameters not mentioned above should be set to NO LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE Lo 21 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 10 ERRORS If an error occurs during operation it will be displayed in the form Err xx where xx is the Error code followed by a brief mnemonic Press Esc or CE momentarily to acknowledge the error and proceed as indicated in the error operator response Errors may occur during set up programming power up and during operation All errors are being displayed until acknowledged In case of critical errors operation is halted and all outputs disabled The errors are subdivided as follows 10 1 ERRORS DUE TO HARDWARE ERROR DISPLAY POSSIBLE CAUSE ACTION TO BE TAKEN E01 ROM SYSTEM ROM Faulty ROM chip E02 RAM DATA RAM Faulty FLASH RAM CALIBRATION DATA Faulty Contact service EEPROM E05 SC A D s1 SCALE EXTREMELY OUT OF RANGE Check scale cable connectors LC s2 excitation A D converter Contact service E06 LOW VOLT LOW INPUT VOLTAGE Check power supplied to the instrument 10 2 OPERATIONAL DATA ERRORS System has been initialised due to power Zero scale failure or soft reset Not initialised or backup battery failure Enter new date tim
29. s with administrative data handling The standard configuration includes High accuracy analogue to digital converter max 550 000 internal counts Front panel with 16 character 14 5mm height LCD display module for weight indication and operator dialogues 27 membrane type keyboard with tactile feedback 32 Kbytes flash RAM real time clock and non volatile memory for system parameters and calibration data Flash memory for storage of 10 000 weights Electronic tally roll or Alibi memory 2 serial ports RS232C RS485A for connection to printers computers remote displays 2 setpoints 24VDC 100mA optoisolated and 1 optoisolated input The microcontroller technology allows the instrument to perform in software all measuring functions operator input output automatic controls and sequences necessary for the operation of weighing systems The unit incorporates internal diagnostics which alarm hardware failures operational data corruption and programming errors During entry all system and operational variables are validity checked with appropriate error indication During operation these values are continuously being checked The type of error is indicated on the display Administrative data maybe programmed to be included in the weighing dialogue Four programmable print formats are available selectable in set up user programmed or default The standard software enables weighing ticket protocols to be processed utilising The weighing file st
30. satisfied If it takes too long the terminal will ask whether to retry or abort If enabled in set up the terminal may check that the weight on the scale is greater than the minimum weighing capacity of the indicator 41 FIRST WEIGHING When a vehicle enters the weighbridge for the first time it undergoes a First Weighing where by the vehicle id product or customer related data relevant to the weighing are typed in the terminal The first weighing dialogue maybe initiated by pressing key when the terminal is in the standby mode Wait until no motion indicator is on then press 1 key The displays shows VEHICLE briefly and the cursor blinks Enter the vehicle plate number max 16 alphanumeric characters The displays shows CLIENT briefly and the cursor blinks Enter the relevant data max 16 alphanumeric characters The displays shows PRODUCT briefly and the cursor blinks Enter the relevant data max 16 alphanumeric characters Proceed with entry of reference codes if any When all entries are completed a first weighing record is constructed including the weight and is stored in the vehicle file A weighing ticket may optionally be printed and or the record may be transmitted to a host computer An example of the default ticket is shown below DATE 16 05 00 15 46 N 00125 Ist WEIGHT lt 15000 gt kg VEHICLE AB1234 MF 054 CLIENT SMITH PRODUCT SAND BB The weight value appearing in br
31. step of the two scales are the same 1 WEIGHING Initiates the 1 weighing dialogue 2 WEIGHING Initiates the 2 weighing dialogue ENTRY TO MENU When the terminal is in the weight display mode pressing this key will enter the menu mode While in the menu the key may be used as AE CURSOR UP PREVIOUS RECORD CURSOR DOWN NEXT RECORD When the terminal is in the STAND BY mode keys A V are used for LCD backlight adjustment CURSOR LEFT NEXT FIELD DOWN CURSOR RIGHT NEXT FIELD UP ESCAPE ABORT The key is used to exit from data input output routines or to abort an operation CLEAR ENTRY Deletes clears displayed data during data entry routines File data is not affected unless an AE is pressed after CE ACCEPT ENTRY Accepts displayed data and proceeds to next step when pressed during data entry and or activates the blinking item in menu mode NUMERIC KEYS To enter alphanumeric characters press the key repeatedly until the desired character is selected When key is not pressed the displayed character is entered and cursor moves to the next position LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE 0 7 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight 3 3 MENU STRUCTURE System operator interface is based on a structure
32. the indication will show the difference between the weight on the scale and the weight stored in the tare memory net When the key is depressed for a second time it clears the Tare Memory cancels net weight display mode and returns to gross weight indication The tare memory is lost in power down LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218_0 UE NN 6 of 26 qLeon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight T TARE RECALL MANUAL PRESET TARE It operates in the weight display mode only In Net mode it displays the tare value in use for a brief period of time In Gross mode it is used to enter a tare value directly from the keyboard The display shows P TARE 00000 Key in the desired tare and press AE to proceed or press Esc to abort When AE is pressed the tare keyed in will be automatically in effect and the weight display will turn to Net mode To be accepted the tare value must be within the weighing range The pre set tare will be lost in power down PIECE COUNTING Toggles between weight mode or piece counting mode PRINT WEIGHT Initiates printouts In stand by mode the indicated weight and date time will be printed SELECT SCALE When the 2 analogue input is installed the key switches between scale 1 or scale 2 or SUM scale 1 scale 2 The indicator may display the SUM of the two scales provided that the decimal point and display
33. the weight on the scale To enter the menu press Menu while the terminal is in the standby mode To select menu items use the arrow keys and press Menu or J to activate the blinking item To exit the menu or return to previous menu press Esc During a weighing operation process data status and warnings or errors are dynamically displayed When the scale is not in motion a dot is displayed next to the symbol When scale weight is within 1 4 of scale division a dot is displayed next to the 20 symbol When scale is in the net weight mode a dot is displayed next to the Net symbol If a 2nd analogue input is installed characters s1 s2 or sO appear at the right position of the LCD display indicating scale 1 or scale 2 or SUM scale 1 scale 2 weights respectively 2 scales connected KEYBOARD DESCRIPTION POWER ON OFF Turns the unit on and initiates power on self test Turns the unit off It must be kept depressed for 3 sec MANUAL ZERO Resets the weight display to zero provided that the scale is stable and the weight indicator is in gross weight display mode Zeroing range is limited to 2 of scale capacity The Zero value acquired with this key will be in effect until a new zeroing operation or power down PIs MANUAL TARE Tares the scale It operates if the indication is positive and stable The indicated weight is stored in the tare memory and the display is reset to zero From then on
34. ticket is shown below DATE 16 05 00 16 00 N 00126 1st WEIGHT 15000 kg 16 05 00 15 46 2nd WEIGHT lt 32000 gt kg_ 16 05 00 NET WEIGHT 17000 kg VEHICLE AB1234 MF 054 CLIENT SMITH PRODUCT SAND BB The weight value appearing in brackets is the actual measured weight Display returns to weight indication LD 5218 WEIGHING TERMINAL USER MANUAL 18 05 00 LD5218 0 UE Lo 10 of 26 Leon Engineering INDUSTRIAL WEIGHING AND PROCESS AUTOMATION S A Technology and reliability that carries weight While printing of weighing ticket the message PRINT appears on the display If E 20 PRN NOT RDY is displayed check that the printer is ON LINE Pressing CE the message RETRY AE Y CE N is displayed Press AE key to retry or to abort If more reference codes have been programmed they will be printed below PRODUCT If the totalising memory is enabled the net weight will be added to the totalisers They may be viewed printed or reset via TFILE submenu enabled by setting TOTALISING M YES Errors relevant to 2nd weighing E41 INVALID LD Invalid or no ID entry Enter 1st weighing data E43 SCALE TARED Scale is tared Turn to gross and repeat operation E44 NEG WEIGHT Negative weight Check scale repeat operation E45 SCALE MOT Scale in motion Wait for the scale to stabilise and repeat operation Press CE to acknowledge errors 43 PIECE COUNTING Press key E or select the WEIGH PCS CNT subm
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