Installation and User Manual
Contents
1. J hFl O CRC16L ROP EXAMPLE 2 Command for multiple writing of registers hexadecimal command 16 h10 Assuming that we wish to write the two setpoint values on the instrument at 2000 and 3000 respectively the string must be sent h01 h10 h00 h10 hOO h04 h08 hOO hOO h07 hDO h00 hOO HOB 8 hBO hA2 The instrument will respond with the string h01 h10 h10 h04 hCO hOF Query field name hx Response field name hex Instrument Address Instrument Address Address of the first register H Address of the first register H DaumiL ROD Daum2H OM Datum 3 Daum3L RO Datum4H OB Daum4L CBS EXAMPLE 3 Multiple command reading for registers hexadecimal command 3 h03 Assuming that we wish to read the two gross weight values in the example 4000 and net weight values in the example 3000 reading from address 40008 to address 40011 must be performed by sending the following string H01 h03 HOO h07 h04 hF5 hC8 The instrument will respond with the string 1 h03 h08 hOO hOO hAO hOO hOO hOB hB8 h12 h73 Query field name hx Response field name hex Datum 2 L x j Datum HO x atm ROT x Datum OB Datum x j y _ h2 x COL h73 For additional examples regarding the generation of correct control characters CRC16 refer to the manual Modicon PI MBUS 300 42 xI RESERVED FOR THE INST2. H LU Tt kilogram meters DEHE rc other generic units of measure not included in the list If the print function is enabled the symbol corresponding to the selected unit of measure will be printed after the measured value COEFF see the related paragraph To use COEFF is necessary to enable it closing the For the units marked with it s possible to set also the display coefficient parameter v COEFF input see paragraph OUTPUTS AND INPUTS CONFIGURATION DISPLAY COEFFICIENT By setting the coefficient COEFF the display is changed accordingly If one of the inputs is set to COEFF mode see paragraph OUTPUTS AND INPUTS CONFIGURATION when the input is closed the value will be displayed modified according to the COEFF coefficient when the input is opened the standard weight display will be restored CUEFF max settable value 99 9999 default 1 0000 will have different meanings according to the value set in un E i e the selected unit of measure see paragraph SETTING UNITS OF MEASURE If the unit of measure chosen is Lb pounds the value set in L EFF will be multiplied by the weight value currently displayed nEUE on Newton the value set in COEFF will be multiplied by the weight value currently displayed LI ErE liters in COEFF set the specific weight in kg l assuming that the system is calibrated in kg bAr bar the value set in COEFF will be multiplied by the weight value currently displayed a
3. TABLE OF CONTENTS USER WARNINGS RECOMMENDATIONS FOR CORRECT INSTALLATION OF WEIGHING INSTRUMENTS RECOMMENDATIONS FOR CORRECT INSTALLATION OF THE LOAD CELLS 3 LOAD CELL INPUT TEST QUICK ACCESS 3 LOAD CELL TESTING MAIN SPECIFICATIONS OF THE INSTRUMENT TECHNICAL SPECIFICATIONS ELECTRICAL CONNECTIONS 6 BASIC INFORMATIONS 6 WIRING DIAGRAM LED AND KEY FUNCTIONS MENU MAP 8 SETPOINTS 8 SYSTEM PARAMETERS INSTRUMENT COMMISSIONING PROGRAMMING OF SYSTEM PARAMETERS 10 THEORETICAL CALIBRATION 11 CAPACITY 11 TARE WEIGHT ZERO SETTING 12 ZERO VALUE MANUAL ENTRY 12 REAL CALIBRATION WITH SAMPLE WEIGHTS 13 FILTER ON THE WEIGHT 14 ZERO PARAMETERS 14 WEIGHT SETTING FOR SMALL WEIGHT CHANGES 14 AUTOMATIC ZERO SETTING AT POWER ON 14 ZERO TRACKING 14 SETTING UNITS OF MEASURE 15 DISPLAY COEFFICIENT 16 OUTPUTS AND INPUTS CONFIGURATION 18 SEMI AUTOMATIC TARE NET GROSS 18 PRESET TARE SUBTRACTIVE TARE DEVICE 19 SEMI AUTOMATIC ZERO WEIGHT ZERO SETTING FOR SMALL VARIATIONS 19 PEAK 20 ANALOG OUTPUT 22 SERIAL COMMUNICATION SETTINGS 23 5485 SERIAL COMMUNICATION 24 DIRECT CONNECTION BETWEEN RS485 AND RS232 WITHOUT CONVERTER 24 TEST SETPOINTS PROGRAMMING 26 27 28 29 34 43 45 ALARMS FAST CONTINUOUS TRANSMISSION PROTOCOL CONTINUOUS TRANSMISSION PROTOCOL TO REMOTE DISPLAYS ASCII BIDIRECTIONAL PROTOCOL MODBUS RTU PROTOCOL RESERVED FOR THE INSTALLER 43
4. Mulipies pon W POSSIBLE COMMAND TO SEND TO THE COMMAND REGISTER 40006 O Nocommand Reseved SC aoo jJ 8 JReseved _ _ O 2 _ C 3 1 2 53 O 4 24 9JjKepadobkk 5 22 Keypadand display unlock 6 23 jKeypdanddspaylock NETdisplay 24 8 SEMHAUTOMATICZERO 99 Save data in EEPROM memory 9 WEIGHT GROSS displaying 100 Zero setting for calibration 140 Reserved 101 Sample weight storage for calibration 44 Reserved O 42 Reseved O 43 Reeved O E 45 Reeved d 0999 Res COMMUNICATION EXAMPLES The numerical data below are expressed in hexadecimal notation with prefix h EXAMPLE 1 Command for multiple writing of registers hexadecimal command 16 h10 Assuming that we wish to write the value 0 to the register 40017 and the value 2000 to the register 40018 the string to generate must be h01 h10 h10 ROO h02 h04 hOO hOO h07 hDO 1 hOF The instrument will respond with the string h01 hl0 h00 hl0 h02 h40 hOD Query field name hx Response field name hx ______ uu e w Number of registers to send H Number of reqisters H Number of registers to send L Number of registers L Dtuntt ROD Daum2H OM Daum2L o CRCIH
5. decimal aSo code hexadecimal ASCII code binary ASCII code 00110000 00110001 01110100 01110101 The result of the XOR operation expressed in hexadecimal notation is made up of 2 hexadecimal digits numbers from 0 to 9 or letters from A to F In this case the hexadecimal code is 0x75 The check sum inserted in the strings transmitted is made up of the 2 characters which represent the result of the XOR operation in hexadecimal notation in our example the character 7 the character 5 The MODBUS RTU protocol enables to manage the reading and writing of the registers listed here below according to the specifications contained in the reference document for this standard Modicon PI MBUS 300 To select the communication with MODBUS RTU refer to paragraph SERIAL COMMUNICATION SETTINGS When specifically indicated certain data will be written directly to EEPROM type memories This memory has a limited number of writing operations 100 000 therefore unnecessary operations at said locations must be avoided The instrument in any case ensures that no writing occurs if the value to be stored is equal to the stored value The numerical data listed below are expressed in decimal notation or hexadecimal notation if preceded by Ox MODBUS RTU DATA FORMAT The data received and transmitted by way of the MODBUS RTU protocol have the following characteristics startbit 34 8 bit of data least significant b
6. os HDRIP N ERCEL ER OL ER AD ER OF O SET CONTIN ERCEL ER OL ER AD For RIP reote displays i the message exceeds 5 digits the display reads If an alarm becomes active the relays open and the analog outputs go to the lowest possible value according to the following table a 0 20 mA 4 20mA 0 5 V 0 10 V 10 10 V 5 5 V 0V 26 FAST CONTINUOUS TRANSMISSION PROTOCOL This protocol allows for automatic weight reception via a serial connection at high update frequencies Up to 80 strings per second are transmitted with a minimum transmission rate of 9600 baud Following communication modes available see paragraph SERIAL COMMUNICATION SETTINGS fidd E communication compatible with TX 5485 instruments fidd Ed communication compatible with TD RS485 instruments If Nd E is set the following string is transmitted to PC PLC xxxxxxCRLF in which xxxxxx 6 ASCII characters for gross weight 48 57 ASCII CR 1 character of back to start 13 ASCII LF 1 character of new line 10 ASCII In case of negative weight the first character on the left acquires the value minus sign ASCII 45 In case of error or alarm the 6 weight characters are replaced by the messages found in the table of the ALARMS ffiBd Ed is set the following string is transmitted to PC PLC amp TzzzzzzPzzzzzzNckckCR in which amp 1 character of string start
7. 43 43 43 44 MENU LOCKING MENU UNLOCKING TEMPORARY MENU UNLOCKING PROGRAM SELECTION AND DATA DELETION KEYPAD OR DISPLAY LOCKING DECLARATION OF CONFORMITY C RECOMMENDATIONS FOR THE PROPER USE OF WEIGHING INSTRUMENT Keep away from heat sources and direct sunlight Repair the instrument from rain except special IP versions Donot wash with water jets except special IP versions Do dip in water Do not spill liquid on the instrument Do not use solvents to clean the instrument Do not install in areas subject to explosion hazard except special Atex versions RECOMMENDATIONS FOR CORRECT INSTALLATION OF WEIGHING INSTRUMENTS The terminals indicated on the instrument s wiring diagram to be connected to earth must have the same potential as the weighed structure same earthing pit or earthing system If you are unable to ensure this condition connect with an earthing wire the terminals of the instrument including the terminal 0VDC to the weighed structure The cell cable must be individually led to its panel input and not share a conduit with other cables connect it directly to the instrument terminal strip without breaking its route with support terminal strips Use RC filters on the instrument driven solenoid valve and remote control switch coils Avoid inverters in the instrument panel if inevitable use special filters for the inverters and separate them with sheet metal partitions The p
8. s au cEt Es Gave From the weight display press C47 for 3 seconds the response signal of the load cells is displayed expressed in mV with four decimals LOAD CELL TESTING Load cell resistance measurement use a digital multimeter Disconnect the load cells from the instrument and check that there is no moisture in the cell junction box caused by condensation or water infiltration If so drain the system or replace it if necessary The value between the positive signal wire and the negative signal wire must be equal or similar to the one indicated in the load cell data sheet output resistance The value between the positive excitation wire and the negative excitation wire must be equal or similar to the one indicated in the load cell data sheet input resistance The insulation value between the shield and any other cell wire and between any other cell wire and the body of the load cell must be higher than 20 Mohm mega ohms Load cell voltage measurement use a digital multimeter Take out the load cell to be tested from underneath the container or alternatively lift the container support Make sure that the excitation of two wires of the load cell connected to the instrument or amplifier is 5 Vdc 3 Measure the response signal between the positive and the negative signal wires by directly connecting them to the tester and make sure that it is comprised between 0 and 0 5 mV thousandths of a Vol
9. 899 13 3 1 1 9 mo 8 13 ZERO PARAMETERS acre eee gt gt J RESETTABLE WEIGHT SETTING FOR SMALL WEIGHT CHANGES D SEE from 0 to max full scale default 300 considered decimals 300 30 0 3 00 0 300 this parameter indicates the maximum weight value resettable by external contact keypad or serial protocol AUTOMATIC ZERO SETTING AT POWER ON 0 from 0 to max 20 of full scale default 0 If at switch on the weight value is lower than the value set in this parameter and does not exceed the D value the weight is reset To disable this function set 0 ZERO TRACKING trAC D from 1 to 5 default 0 When the zero weight value is stable and after a second it deviates from zero by a figure in divisions smaller or equal to the figure in divisions set in this parameter the weight is set to zero To disable this function set nOn_E Example if the parameter di Ui Sis set to 5 0 is set to 2 the weight will be automatically set to zero for variations smaller than or equal to 10 d Ui 5 Er AC D SETTING UNITS OF MEASURE 6 esc IJ un Eme HI LOG Ere dcs ENE DEHEr Available unit of measure are HI LOL kilograms G grams E tons Lb pounds nELUE an Newton LLEPE liters bAr RETI atmospheres PI ECE 14 nEL Newton meters
10. 2 00250 4 di Ui 5 The division resolution is the minimum weight increment value which can be displayed It is automatically calculated by the system according to the performed calibration so that it is equal to 1 10000 of full scale It can be changed and be variable between 0 0001 and 100 with x1 x2 x5 x10 increments v By modifying the theoretical full scale the sensitivity or divisions the real calibration is cancelled and the theoretical calibration only is considered valid If the theoretical full scale and the recalculated full scale in real calibration see paragraph REAL CALIBRATION WITH SAMPLE WEIGHTS are equal this means that the calibration currently in use is theoretical if they are different the calibration in use is the real calibration based on sample weights By modifying the theoretical full scale the sensitivity or divisions and all the system s parameters containing a weight value will be set to default values setpoints hysteresis etc 10 MAXIMUM CAPACITY FH BIS MASS Maximum displayable weight from 0 to max full scale default 0 When the weight exceeds this value by 9 divisions the following is displayed To disable this function set 0 TARE WEIGHT ZERO SETTING mnnm Se amp 8 _ gt gt lt En gt 0 lt This menu may also be accessed directly from the weight display holding down the key for 3 seconds Perform this procedure
11. 36 ASCII amp o amp amp Beginning of a response string 38 ASCII 2 characters for instrument address 48 57 ASCII 1 character to indicate the correct reception 33 ASCII 1 character to indicate a reception error 63 ASCII it 1 character to indicate an error in the command execution 23 ASCII ckck 2 ASCII characters for Check Sum for furthers information see paragraph CHECK SUM CALCULATION CR 1 character for string end 13 ASCIl N 1 character for separation 92 ASCIl 1 SETPOINT VALUES SETTING The PC transmits aaxxxxxxyckckCR in which xxxxxx 6 characters for the setpoint value 48 57 ASCII y A set the value in the Setpoint 1 y B set the value in the Setpoint 2 Possible instrument responses correct reception amp amp aa ckckCR incorrect reception amp amp aa ckckCR 2 SETPOINTS STORAGE INTO EEPROM MEMORY The sepoints value relevant to the two setpoints programmed via the PC are stored to the RAM volatile memory and lost upon instrument power off It is necessary to send a special command to save them permanently in the EEPROM memory Please note that the writing number allowed in the EEPROM memory is limited about 100000 The PC transmits SaaMEMckckCR 29 Possible instrument responses correct reception amp amp aa NckckCR incorrect reception amp amp aa ckckCR 3 READING WEIGHT THE SETPOINT AND THE PEAK IF PRESENT FROM THE PC The
12. 7 2 No registers 2 35 RESPONSE Tot bytes 8 in which No registers number of Modbus register to be read starting from the Address 1 register No bytes number of data bytes to follow Val reg 1 register contents beginning from the first The Response contains the number of records changed starting from the Address 1 register COMMUNICATION ERROR MANAGEMENT The communication strings are controlled by way of the CRC Cyclical Redundancy Check In case of communication error the slave will not respond with any string The master must consider a time out for reception of the answer If it does not receive an answer it deduces that there has been a communication error In the case of the string received correctly but not executable the slave responds with an EXCEPTIONAL RESPONSE The FUNCTION field is transmitted with the MSB at 1 EXCEPTIONAL RESPONSE Funct 80h I CRO CODE DESCRIPTION ILLEGAL FUNCTION The function is not valid or is not supported ILLEGAL DATA ADDRESS The specified data address is not available ILLEGAL DATA VALUE The data received has an invalid value LIST OF USABLE REGISTERS The MODBUS RTU protocol implemented on this instrument can manage a maximum of 32 registers read and written in a single query or response R the register may only be read W the register may only be written R W the register may be both read and written H top side of the DOUBLE WORD of the nu
13. EEPROM so that they are maintained at power on the 99 command of the Command Register must be sent 37 REAL CALIBRATION COMMANDS WITH SANPLE WEIGHTS The instrument calibration can be changed via MODBUS To carry out this procedure the system must be unloaded and the weight value display reset to zero with the command 100 of the Command Register Then a load must be placed on the system and the correct weight value must be sent to the registers 40037 40038 to save this value send the control 101 from the Command Register If the operation is successfully completed the two sample weight registers are set to zero ANALOG OUTPUT SETTING Write the weight in the registers Weight value corresponding to the Full Scale of analog output H 40045 and Weight value corresponding to the Full Scale of analog output L 40046 or write the weight in the registers weight value corresponding to the ZERO of the analog output H 40043 and weight value corresponding to the ZERO of the analog output L 40044 After writing the value send the command 99 from the Command Register to save it to EEPROM memory STATUS REGISTER Bito CelEmr S O Bit4 AD Convertor Malfunction 0 0 0 Bit2 Maximum weight exceeded by 9 divisions Bit3 Gross weight higher than 110 of full scale Bit4 Gross weight beyond 999999 or less than 999999 Bit5 Net weight beyond 999999 or less than 9
14. PC transmits SaajckckCR in which a to read setpoint 1 j b read setpoint 2 j t read gross weight j n to read net weight j p to read the gross weight peak if the ASCI parameter is set as 09060 if instead the ASC parameter is set on 0d Ed the gross weight will be read To read the points set the F5 EEO equal to 50000 Possible instrument responses correct reception amp aaxxxxxxj ckckCR incorrect reception amp amp aa NCkckCR ifthe peak is not configured amp aa CR in which xxxxxx 6 value characters of the required weight Notes In case of negative weight the first character on the left acquires the value minus sign ASCII 45 In case of weight value is under 99999 the minus sign is sent alternated with the most significant figure Error messages In case of an instrument alarm for exceeding 110 of the full scale or 9 divisions above the value of the parameter NASS the instrument sends the string amp aassO Lst ckck In case of faulty connection of the load cells or of another alarm the instrument sends amp aassO Fst ckck in which s 1 separator character 32 ASCII Generally refer to the ALARMS paragraph 30 4 SEMI AUTOMATIC ZERO WEIGHT ZERO SETTING FOR SMALL VARIATIONS CAUTION The zero setting will not be maintained after an instrument power off The PC transmits aaZEROckckCR Possible instrument responses correct reception amp
15. after having set the THEORETICAL CALIBRATION data Use this function to set to zero the weight of the empty system after commissioning and then later on to compensate zero variations due to the presence of product residues Procedure VENU Confirm the message cEr 0 Zero by pressing The weight value to be set to zero is displayed In this phase all of the LEDs are flashing Confirming once again the weight is set to zero the value is stored to the permanent memory PRIMI Press ey to display the value of the total weight reset by the instrument given by the sum of all of the previous zero settings 11 ZERO VALUE MANUAL ENTRY lesley Tig les C WARNING Perform this procedure only if it s not possible to reset the weighed structure tare for example because it contains product that can not be unloaded oet in this parameter the estimated zero value from 0 to max 999999 default 0 AJ gt MEN MENU After having performed the THEORETICAL CALIBRATION and TARE WEIGHT ZERO SETTING this function allows correct calibration to be done using sample weights of known value and if necessary any deviations of the indicated value from the correct value to be corrected Load onto the weighing system a sample weight which must be at least 50 of the maximum quantity to be weighed By confirming the message UE the flashing value of the weight currently on the system is displayed In thi
16. alle di conformit seguito citate Declaration of We hereby declare that the product to which this declaration refers conforms with the following conformity standards Declaraci n de Manifestamos en la presente que el producto al que se refiere esta declaraci n est de acuerdo con conformidad las siguientes normas Wir erkl ren hiermit dass das Produkt auf das sich diese Erklarung bezieht mit den nachstehenden Normen bereinstimmt D claration de Nous d clarons avec cela responsabilit que le produit auquel se rapporte la pr sente d claration est conformit conforme aux normes cit es ci apr s T mto prohla ujeme Ze v robek kter ho se toto prohl en t k je v souladu s nize uveden mi normami Wij verklaren hiermede dat het product waarop deze verklaring betrekking heeft met de hierna Conformiteit verklaring vermelde normen overeenstemt Declara o de Declaramos por meio da presente que o produto no qual se refere esta declara o corresponde s conformidade normas seguintes Niniejszym o wiadczamy e produkt kt rego niniejsze o wiadczenie dotyczy jest zgodny z poni szymi normami o Models T2 4 20mA 2 0 20mA 2 0 10V 2 0 5 2 5V
17. amp aa ckckCR incorrect reception amp amp aa ckckCR the current weight is over the maximum value resettable saa CR 5 SWITCHING FROM GROSS WEIGHT TO NET WEIGHT The PC transmits SaaNETckckCR Possible instrument responses correct reception amp aa ckckCR incorrect reception amp amp aa ckckCR 6 SWITCHING FROM NET WEIGHT TO GROSS WEIGHT The PC transmits SaaGROSSckckCR Possible instrument responses correct reception amp aa ckckCR incorrect reception amp amp aa ckckCR 7 READING OF DECIMALS AND NUMBER OF DIVISIONS The PC transmits SaaDckckCR Possible instrument responses correct reception amp aaxy ckckCR incorrect reception amp amp aa ckckCR in which x number of decimals y division value The y field acquires the following values 9 for division value 1 4 for division value 2 5 for division value 5 6 for division value 10 T for division value 20 31 6 for division value 50 9 for division value 100 8 TARE WEIGHT ZERO SETTING The PC transmit the following ASCII string containing the zeroing command aazckckCR in which z weight zeroing command 122 ASCII Possible instrument responses correct reception amp aaxxxxxxt ckckCR incorrect reception amp amp aa ckckCR Ifthe instrument is not in gross weight displaying condition the response is amp aa CR in which xxxxxx 6 characters for the required weight va
18. followed by the analog output gross G 55 or net nEE If the net function is not active the analog output varies according to gross weight AnA 0 set the weight value for which you wish to obtain the minimum analog output value Only set a value different from zero if you wish to limit the analog output range for M instance for a full scale value of 10000 kg you require an 4 mA signal at 5000 kg and 20 mA at 10000 kg in this case instead of zero set 5000 kg AnA FS set the weight value for which you wish to obtain the maximum analog output value it must correspond to the value set in the PLC program default calibration full scale E g if am using a 4 20 mA output and in the PLC program wish to have 20 mA 8000 kg will set the parameter to 8000 Or 0 analog output correction to zero if necessary adjust the analog output allowing the PLC to indicate 0 The sign can be set for the last digit on the left E g if use a 4 20 mA output and with the minimum analog setting the PLC or tester read 4 1 mA must set the parameter to 3 9 to obtain 4 0 on the PLC or tester COr FS full scale analog output correction if necessary adjust the analog output allowing the PLC to indicate the value set in the AnA FS parameter E g if use 4 20 mA output with the analog set to full scale and the PLC or tester reads 19 9 mA must set the parameter to 20 1 to obtain 20 0 on the PLC or tester 20 Minimum and
19. in which t gross weight identification code 116 ASCII xxxxxx 6 Characters to indicate the current weight value In case of correct calibration the read value must be equal to sample weight Example Calibration for instrument with address 1 and sample weight of 20000 ka query 501502000070 Cr response 01020000t 77 Cr In case of correct calibration the read value has to be 020000 10 KEYPAD LOCK ACCESS PROTECTION TO THE INSTRUMENT The PC transmits SaaKEYckckCR Possible instrument responses correct reception amp amp aa ckckCR incorrect reception amp amp aa ckckCR 11 KEYPAD UNLOCK The PC transmits SaaFREckckCR Possible instrument responses correct reception amp amp aa ckckCR incorrect reception amp amp aa ckckCR 12 DISPLAY AND KEYPAD LOCK The PC transmits aaKDISckckCR Possible instrument responses correct reception amp amp aa ckckCR incorrect reception amp amp aa ckckCR 139 CHECK SUM CALCULATION The two ASCII control characters ckck are the representation of a hexadecimal digit in ASCII characters The check digit is calculated by performing the operation XOR exclusive or 8 bit ASCII codes of the only part of the underlined string The procedure to calculate the check sum is the following Consider only the string characters highlighted with underlining Calculate the EXCLUSIVE OR XOR of the ASCII codes for the characters
20. malfunctioning Er OL the weight display exceeds 110 of the full scale Er Rd internal instrument converter failure check load cell connections if necessary contact technical assistance n the weight exceeds the maximum weight by 9 divisions Er UF maximum displayable value exceeded value higher than 999999 or lower than 999999 t weight too high zero setting not possible this message appears in the sample weight setting in real calibration after the fifth sample weight value has been entered gt 0 lt Error the value set for the parameter is beyond the permitted values press to quit the setting mode leaving the previous value unchanged Examples a number of decimals is selected for full scale which exceeds the instrument s display potential value above the maximum setting value the weight value set in sample weight verification does not match the detected mV increase the analog output correction goes beyond the permitted limits bLUC X lock active on menu item keypad or display 09 SP It s not possible to display properly the number because is greater than 999999 or less than 999999 Serial protocols alarms Bit m 76543210 76543210 76543210 The response to the Status XXXXXXXl xxxxlxxx xxxxxxlx xxxxx1xx gross zero command is a Register xxxlxxxx not valid error MODBUS On net error code 3 RTU xxlxxxxx ASCII NE E INE m 9F 0 oF
21. 3113233 4 Current output load 300 Ohm Voltage output min load 10 kOhm Sy S S Z A gt o d gt Ss7 0 NET sk Oo i LH ML 9 E e gt TARE PRINT MENU va gt e Enter 1 hi EX 2 A EX oc SIG i J 5 5 4 4 55 55844 5522 EEZs EESS ERIS 5 5121 EE o ol EJS e d c Eo ol yO O O O O uiu uiui uiui Li dessen c d Jj d JL d Jj _ Sa Tert F T eret F T See L fa L E L 3 L r4 2 outputs settable setpoints or remote output management via protocol 2 inputs Default SEMI AUTOMATIC ZERO input 1 NET GROSS input 2 settable to have the following functions SEMI AUTOMATIC ZERO NET GROSS PEAK or REMOTE CONTROL see paragraph OUTPUTS AND INPUTS CONFIGURATION 6 LED AND KEY FUNCTIONS LED Mainfunction Secondaryfunction net weight LED net weight display semi automatic tare or preset tare zero LED deviation from zero not more than 0 25 divisions wa Stability LED LED lit output 1 closed unit of measure kg LED lit output 2 closed g unitofmeasure g nomeaig VENU Ente r To activate the secondary LED function during weight display press and hold down th
22. 38 ASCII T reference character for gross weight P reference character for gross weight zzzzzz 6 ASCII characters for gross weight 48 57 ASCII N 1 character of separation 92 ASCII ckek 2 ASCII control characters calculated considering that the characters between amp and N are excluded The control value is obtained by carrying out the XOR or exclusive operation for the 8 bit ASCII codes of the characters considered A character expressed in hexadecimal is thus obtained with 2 digits which may acquire values from 0 to 9 and from to F ckek is the ASCII code of the two hexadecimal digits CR 1 character for string end 13 ASCII In case of negative weight the first character on the left acquires the value minus sign ASCII 45 In case of error or alarm the 6 gross weight characters are replaced by the messages found in the table of the ALARMS FAST TRANSMISSION VIA EXTERNAL CONTACT it s possible to transmit the weight just once even closing an input for no more than a second see paragraphs OUTPUTS AND INPUTS CONFIGURATION and SERIAL COMMUNICATION SETTINGS 27 CONTINUOUS TRANSMISSION PROTOCOL TO REMOTE DISPLAYS Using this protocol the instrument transmits in continuous the weight to remote displays the communication string is transmitted 10 times per second Following communication modes available see paragraph SERIAL COMMUNICATION SETTINGS ri P comm
23. 99999 r _ _ ___ _ Bit7 Bit 7 Gross weight neqative sign Net weight negative sign Bit9 Peak weight negative sign Bit 10 Net display mode Bit11 Weight stabilit Bit 12 Weight within of a division around ZERO 38 INPUTS REGISTER 40025 OUTPUTS REGISTER 40026 read only read and write Bito INPUT 1 Status OUTPUT 1 Status Bit1 INPUT 2 Status OUTPUT 2 Status Bit Bit The output status can be read at any time but can be set written only if the output has been set as PLC see paragraph OUTPUTS AND INPUTS CONFIGURATION otherwise the outputs will be managed according to the current weight status with respect to the relevant setpoints DIVISIONS AND UNITS MEASURE REGISTRY 40014 This register contains the current setting of the divisions parameter Ed UI 5 and of the units of measure un E parameter H Byte L Byte Use this register together with the Coefficient registers to calculate the value displayed by the instrument 39 Least significant byte L Byte Most significant byte H Byte Utilization of the Coefficient value Division Divisor unit of measure with the different value description units of measure value settings compared to the gross weight not intervene 1 lrans Does 2 Tos 6 Ba Mutpies 8 Piece Divides 9 Newton Meter
24. ALLER x MENU LOCKING Through this procedure it s possible to block the access to any menu on the instrument Select the menu that you wish to lock 20 TARE annnm press Ey and simultaneously for 3 seconds the display shows L RLI b the left point on the text indicates that this menu item is now locked If the operator tries to enter this menu the access is denied and the display shows Loc MENU UNLOCKING NENU PRINT DDDDDD HLI b press Ew and simultaneously for 3 seconds the display shows EAL b J the left point on the text is off to indicate that this menu item is unlocked TEMPORARY MENU UNLOCKING PRINT JARE 000000 L HLI b press gy and O simultaneously for 3 seconds it is now possible to enter and modify all menus including those which are locked By returning to weight display the menu lock is restored PROGRAM SELECTION AND DATA DELETION CAUTION operation must only be performed after contacting technical assistance Upon instrument power on hold down the key until the display shows TE DATA DELETION confirm the P OL prompt use the arrow keys to select the item PASSU enter the code 6935 and confirm 43 PROGRAM SELECTION bR5E basic program management ol the only setpoint rEuEr to be only used when with a loaded weighing system the cells are not loaded and vice versa weight detected as increasing while it actually decreases in the system By confirming the display
25. C 12 24 VDC standard 10 5 W NO OF LOAD CELLS IN PARALLEL and SUPPLY max 8 350 ohm 5VDC 120mA LINEARITY ANALOG OUTPUT LINEARITY lt 0 01 F S lt 0 01 F S DRIFT ANALOG OUTPUT THERMAL lt 0 0005 F S C lt 0 003 F S C MAX DIVISIONS with measurement range 10MV 999999 sens 2mV V 0 20 mA 4 20 mA max 300 ohm 0 10 s hahha VDC 0 5 VDC 10 VDC 5 VDC min 16 Bit 65535 divisions 10 kohm IP67 BOX VERSIONS IP67 box with external keypad ATEX version x 11360 zone 2 22 CASTLTASTGUA IP67 box with external keypad and six PVC fittings 27 ELECTRICAL CONNECTIONS BASIC INFORMATIONS It is recommended that the power supply negative pole be grounded It is possible to supply up to eight 350 ohm load cells or sixteen 700 ohm load cells Connect terminal O VDC to the RS485 common of the connected instruments in the event that these receive alternating current input or that they have an optoisolated RS485 In case of an RS485 network with several devices it is recommended to activate the 120 ohm termination resistance on the two devices located at the ends of the network as described in the paragraph R8485 SERIAL CONNECTION WIRING DIAGRAM e gt RS485 termination mm J1 J2 24 RS485 12 24Vdc u OUTPUTS INPUTS 24Vde ANALOG 5 24Vdc 60mA OUTPUT E saa 222324282627280330
26. EMI AUTOMATIC ZERO PERH keeping the input closed the maximum weight value reached remains on display Opening the input the current weight is displayed PLC closing the input no operation is performed the input status may however be read remotely by way of the communication protocol LU nE n closing the input for max one second the weight is transmitted over the serial connection according to the fast continuous transmission protocol only once only if CUnE n is set the item 5E AL COEFF when the input is closed the weight is displayed based on the set coefficient see setting of the units of measure and coefficient otherwise the weight is displayed 17 SEMI AUTOMATIC TARE NETIGROSS M THE SEMI AUTOMATIC TARE OPERATION IS LOST UPON INSTRUMENT POWER OFF To perform a net operation SEMI AUTOMATIC TARE close the NET GROSS input or press the TARE key for less than 3 seconds The instrument displays the net weight just set to zero and the NET LED lights up TARE To display the gross weight again keep the NET GROSS input closed or press for 3 seconds This operation can be repeated many times by the operator to allow the loading of several products Example of weighing fruit in a box TARE Put the box on the scale the display shows the box weight press E and the display shows the net weight to zero by introducing the fruit in the box the display shows the fruit weight This operation can be repeated
27. ETTING f setpoints are used set the required weight values and the relevant parameters see paragraphs SETPOINTS PROGRAMMING and OUTPUTS INPUTS CONFIGURATION PROGRAMMING OF SYSTEM PARAMETERS NENU pa From the weight display press simultaneously keys and to access the parameter setting WENY Ente to enter a menu confirm the data entry PRINT PP A gt rm s v 0 to modify the displayed value or menu item to select a new value or modify the displayed menu item 5 to cancel and return to the previous menu euam es Thi To gee idl s function allows the load cell rated values to be set perform the theoretical calibration set the following parameters in sequence FS EQ Default dENo The system full scale is given by one cell capacity multiplied by the number of cells used Example of system full scale value calculation 4 cells of 1000kg FULL SCALE 1000 X 4 4000 The instrument is supplied with a theoretical full scale value dENo corresponding to 10000 To restore factory values set 0 as full scale SEn5 b Default 2 00000 mV V Sensitivity is a load cell rated parameter expressed in mV V Set the average sensitivity value indicated on the load cells It s possible to set a value between 0 50000 and 7 00000 mV V Example of 4 cell system with sensitivity 2 00100 2 00150 2 00200 2 00250 enter 2 00175 calculated as 2 00100 2 00150 2 00200
28. Installation and User Manual version 1 0 T2 4 20mA 0 20mA 0 10V 0 5V I5V 10V o O gt lt E Model T2 WWW TOP SENSORS COM LOAD CELLS IN PARALLEL 2004 108 EC EN55022 EN61000 6 2 EN61000 6 4 SYSTEM IDENTIFICATION Top Sensors products are sold by Zemic Europe B V Tel 31 765039480 Leerlooierstraat 8 Fax 31 765039481 4871 EN Etten Leur info top sensors com A Zemic Europe brand The Netherlands www top sensors com KEY TO SYMBOLS Below are the symbols used in the manual to draw the reader s attention Caution High Voltage Read the following indications carelully Further information N Caution This operation must be performed by skilled workers Disposal of Waste Equipment by Users in Private Households in the European Union This symbol on the product or on its packaging indicates that this product must not be disposed of with your other household waste Instead it is your responsibility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment The separate collection and recycling of your waste equipment at the time of disposal will help preserve natural resources and protect human health and the environment For more information about where you can drop off your waste equipment for recycling please contact your local waste disposal Authority or the equipment retailer 10 25
29. ST WHEN THE INSTRUMENT IS TURNED OFF SEMI AUTOMATIC ZERO WEIGHT ZERO SETTING FOR SMALL VARIATIONS By closing the SEMI AUTOMATIC ZERO input the weight is set to zero The zero setting will be lost when the instrument is turned off This function is only allowed if the weight is lower than the D SEt value see paragraph RESETTABLE WEIGHT SETTING FOR SMALL WEIGHT CHANGES otherwise the alarm T appears and the weight is not set to zero PEAK Keeping the input closed the maximum weight value reached remains displayed Opening the input the current weight is displayed If you wish to use this input to view a sudden variation peak set the FILTER ON THE WEIGHT to 0 E grs ges mam VAR mE je 67055 e E 775 EYPE it selects the analog output type 4 20 mA 0 20 mA 0 10 V 0 5 V 10 10 V 5 5 V default 4 20 Remove the face plate of the instrument removing the screws that attach it to the little columns on the printed circuit board e the circuit board below find jumper J7 situated above the and 4 terminals at about mid board Scrape away the solder from the jumper bay until the copper underneath is uncovered e Close the jumper short circuiting the bays it is recommended that a small piece of copper wire without insulation or a leg wire be used to facilitate the operation y For the 10 10V and 5 5V outputs the soldering jumper J7 must be closed choice of a weight
30. T2 10V Konformitats erklarung Prohlaseni o shode Deklaracja zgodnosci Mark Applied MarkApplied EUDirective Directive Standards _ Low Voltage Directive Not nm N A EN 55022 C C 2004 108 EC EN 61000 6 2 EMC Directive EN 61000 6 4 EN 61000 4 2 3 4 5 6 C M 2009 23 EC EN 45501 1992 NAWI Directive OIML R76 1 2006 only if M mark is applied 45
31. anel installer must provide electric protections for the instruments fuses door lock switch etc It is advisable to leave the equipment always switched on to prevent the formation of condensation MAXIMUM CABLE LENGTHS RS485 1000 meters with AWG24 shielded and twisted cables RS232 15 meters for baud rates up to 19200 RECOMMENDATIONS FOR CORRECT INSTALLATION OF THE LOAD CELLS INSTALLING LOAD CELLS The load cells must be placed on rigid stable in line structures it is important to use the mounting modules for load cells to compensate for misalignment of the support surfaces PROTECTION OF THE CELL CABLE Use water proof sheaths and joints in order to protect the cables of the cells MECHANICAL RESTRAINTS pipes etc When pipes are present we recommend the use of hoses and flexible couplings with open mouthpieces with rubber protection in case of hard pipes place the pipe support or anchor bracket as far as possible from the weighed structure at a distance at least 40 times the diameter of the pipe CONNECTING SEVERAL CELLS IN PARALLEL Connect several cells in parallel by using if necessary a watertight junction box with terminal box The cell connection extension cables must be shielded led individually into their piping or conduit and laid as far as possible from the power cables in case of 4 wire connections use cables with 4 x 1 sq mm minimum cross section WELDING Avoid welding with the load cells alread
32. e keys buy NEY Gy at the same time press B immediately followed by EIA 3 sec Tare resetting Cancel or return to previous menu Goss Nal TER UMS Select figure to be modified or return to previous menu item Modify selected figure or go to ee BEEN Confirm or enter in submenu setting general parameters MENU MENU gt 0 lt een NES press immediately Setting preset tare press MENU MENU TARE EF NES 85 immediately followed by LL Gk LEDs light up in sequence to indicate that a setting and not a weight is being viewed TARE Within the menu the changes are applied immediately after pressing the button no further confirmation SETPOINTS BBBBBB SEE Gi SEE Ge s SYSTEM PARAMETERS DDDDDD Mes le CALI b FS EEO nnmnnn s Gare ee FS EEU ale MRSS Paa a 0 SEE sn UE GHE RoALOG J EYPE bAud 5 2 AL 5 5 _ 0 7 9 B E 5 pana 5 INSTRUMENT COMMISSIONING Upon switch on the display shows sequence instrument model e g E 2 50 followed by the software code e g 50 5 program type bASE base followed by the software version e 9 r 1 04 D 1 HU followed by the hardware code e
33. ed program the system variables are set with default values gt 0 lt By pressing EY you will quit the program without introducing any changes and without deleting any of the set variables If you do not have a specific manual for the newly set program you can request it to technical assistance KEYPAD OR DISPLAY LOCKING pas gos Press immediately followed by hold them down for about 5 seconds this operation is also possible via the MODBUS and ASCII protocols FrEE no lock HEY keypad lock if active when a key is pressed the message bL OC is displayed for 3 d SP keypad and display lock if active the keypad is locked and the display shows the instrument model weight is not displayed by pressing a key the display shows 0 for seconds 44 DECLARATION OF CONFORMITY C Top Sensors products are sold by Zemic Europe B V Tel 31 765039480 Leerlooierstraat 8 Fax 31 765039481 4871 EN Etten Leur info top sensors com A Zemic Europe brand The Netherlands www top sensors com EC Konformitatserklarung EC Declaration of Conformity EC D claration de conformit EC Declaraci n de Conformidad EC Dichiarazione di conformit EC Conformiteitverklaring EC Declara o de conformidade EC Prohl en o shode EC Deklaracja zgodno ci Dichiarazione Dichiariamo che il prodotto al quale presente dichiarazione si riferisce conforme
34. fault 1 RS485 SERIAL COMMUNICATION d S RS485 termination N N co 7 RS485 M RS485 0 VDC RS485 RS485 M max 500 m o RS485 qua RS485 TX O Oo RS485 RS485 RX If the RS485 network exceeds 100 meters in length or baud rate over 9600 are y used the two RS 485 termination jumpers must be closed to activate the two 120 PC RS232 ohm resistors between the and terminals of the line on the terminal strip of the furthest instruments Should there be different instruments or converters refer to the specific manuals to determine whether it is necessary to connect the above mentioned resistors 23 DIRECT CONNECTION BETWEEN RS485 AND RS232 WITHOUT CONVERTER Since a two wire RS485 output may be used directly on the RS 232 input of a PC or remote display it is possible to implement instrument connection to an RS 232 port in the following manner INSTRUME RS232 RS 485 RXD RS 485 gt GND N his type of connection allows A SINGLE instrument to be used in a ONE WAY mode TEST Care Je m n s BJE E 3 sec Input Test n ensure that for each open input is displayed is displayed when the input is closed Output Test Out setting D ensure that the corresponding out
35. g HU 109 the serial number e g 1005 15 Check that the display shows the weight and that when loading the load cells there is an increase in weight If there is not check and verify the connections and correct positioning of the load cells If the instrument has already been theoretical CALIBRATED plant system identification tag present on the instrument and on the cover load cell s rated data already entered Reset to zero follow the procedure in paragraph TARE WEIGHT ZERO SETTING Check the calibration with sample weights and correct the indicated weight if necessary follow the procedure in paragraph REAL CALIBRATION WITH SAMPLE WEIGHTS f the instrument HAS NOT BEEN CALIBRATED missing plant system identification tag proceed with calibration f load cells data are unknown follow the procedure in paragraph REAL CALIBRATION WITH SAMPLE WEIGHTS Enter the rated data of load cells following the procedure given in paragraph THEORETICAL CALIBRATION Reset to zero follow the procedure in paragraph TARE WEIGHT ZERO SETTING Check the calibration with sample weights and correct the indicated weight if necessary follow the procedure in paragraph REAL CALIBRATION WITH SAMPLE WEIGHTS f you use the analog output set the desired analog output type and the full scale value see paragraph ANALOG OUTPUT f you use serial communication set the related parameters see paragraph SERIAL COMMUNICATION S
36. gt 0 lt pressing the button or after entering the fifth value at this point it will no longer be possible to change the calibration value but only to perform a new real calibration To perform a new calibration should return to the weight display and then re entering into the calibration menu 2 By pressing after having confirmed the sample weight that has been set the full scale appears recalculated according to the value of the maximum sample weight entered and making reference to the cell sensitivity set the theoretical calibration BEnS b 2 J 69165 E Setting this parameter allows a stable weight display to be obtained To increase the effect weight more stable increase the value from 0 to 9 default 4 As seen in the diagram Byoonfirmingthe LEEr message the currently programmed filter value is displayed By changing and confirming the value the weight is displayed and it will be possible to experimentally verify its stability If stability is not satisfactory confirming brings back the message F LEEr and the filter may be modified again until an optimum result is achieved The filter enables to stabilize a weight as long as its variations are smaller than the corresponding Response Time It is necessary to set this filter according to the type of application and to the full scale value set Display and serial port refresh Response times f requency FILTER VALUE
37. it sent first Settable parity bit Settable stop bit FUNCTIONS SUPPORTED IN MODBUS Among the commands available in the MODBUS RTU protocol only the following are utilized for management of communication with the instruments other commands could be incorrectly interpreted and generate errors or blocks of the system FUNCTIONS DESCRIPTION 03 0x03 READ HOLDING REGISTER READ PROGRAMMABLE REGISTERS 16 0x10 PRESET MULTIPLE REGISTERS WRITE MULTIPLE DI REGISTERS The interrogation frequency is linked with the preset communication rate the instrument will stand by for at least 3 bytes before beginning to calculate a possible response to the query The dELAY parameter present in the paragraph SERIAL COMMUNICATION SETTINGS allows for a further delay in the instrument response and this directly influences the number of possible queries in the unit of time For additional information on this protocol refer to the general technical specification Pl MBUS 300 In general the query and response to and from a slave instrument are organized as follows FUNCTION 3 Read holding registers PROGRAMMABLE REGISTER READING QUERY Tot bytes 8 RESPONSE Tot bytes 3 2 No registers 2 in which No registers number of Modbus register to be read starting from the Address 1 register No bytes number of data bytes to follow FUNCTION 16 Preset multiple registers MULTIPLE REGISTER WRITING QUERY Tot bytes
38. lue t weight identification code 116 ASCIl Example Weight zero setting for instrument with address 2 For the calibration make sure that the scale is empty and the instrument measures a corresponding mV signal query 02z78 Cr response amp 02000000t 76 Cr In case of correct weight zero setting the read value response must be 0 in the string O00000 The zero values are stored to the EEPROM memory please note that the writing number allowed is limited about 100000 If it is necessary to reset the weight quite often it is recommended to perform it by PC or PLC program keeping in mind the weight deviation respect to the zero instrument 9 REAL CALIBRATION WITH SAMPLE WEIGHTS After having performed the TARE WEIGHT ZERO SETTING this function allows correct calibration to be done using sample weights of known value and if necessary any deviations of the indicated value from the correct value to be corrected Load onto the weighing system a sample weight which must be at least 50 of the Full Scale otherwise make sure that the instrument measures a corresponding mV signal The PC sends the following ASCII string containing the calibration command aasxxxxxxckckCR in which s calibration command 115 ASCII xxxxxx 6 characters for sample weight value 32 Possible instrument responses correct reception amp aaxxxxxxt ckckCR Incorrect reception or full scale equal to zero amp amp aa ckckCR
39. maximum values which can be set for the zero and full scale corrections ANALOGOUTPUTTYPE Minimum Maximum 0 10V 0 150 10 200 0 150 5 500 0 20mA 4 20mA NOTE the analog output may also be used in the opposite manner i e the weight setting that corresponds to the analog zero AnA 0 may be greater than the weight set for the analog full scale AnA FS The analog output will increase towards full scale as the weight decreases the analog output will decrease as the weight increases E g AnA O 210000 AnA FS 0 analog output 0 10 V Weight 0kg analogoutput 10V Weight 5000kg analog output 5V Weight 10000kg analog output OV 21 tmm C5 CATE BIS at HP gt BRud gt According to the chosen protocol only the necessary settings will be displayed in sequence see diagram here above 5485 communication port nn it disables any type of communication default floadbUS MODBUS RTU protocol possible addresses from 1 to 99 see Communication protocols ASC I ASCII bidirectional protocol possible addresses from 1 to 99 see Communication protocols HUdU5DU fi0d td Unt n continuous weight transmission protocol see Communication protocols at the frequency set in HErEe item from 10 to 300 fi d t set PAF EY nOnE SEDP 1 fiBd Ed set PR I EJ nUnE SEDP 1 rl P continuous weight transmission protocol to RIP5 20 60 RIPSOSHA RIPLED
40. mber L bottom side of the DOUBLE WORD of the number REGISTER DESCRIPTION Saving in EEPROM ACCESS __ 40001 Fimwarevesin 0 0 0 0 00 40002 4003 YearofProduction eR 40004 SerialNumber sR PRO 40006 COMMANDREGISTER NO W 4007 S STATUSREGISTER f R 40008 GROSSWEIGHTH b RR 4009 GROSSWEIGHTL b RT 4000 NETWEIGHTH eR 40011 NET WEIGHT L 402 PEAKWEIGHTH b RR 40013 PEAKWEGHTL fe RR i T measure 4015 CoefficientH R 40016 Coefficienth R 40017 SETPOINT 1 H 40018 SETPOINT1L 40019 SETPOINT 2 H 40020 SETPOINT 2L Only after command 99 of the R W gaoat _THYSTERESS 1H _ COMMAND REGISTER 40023 HYSTERESIS 2H 400 24 HYSTERESIS 2 L 40025 INPUTS eR 40026 OUTPUTS NO ER 40037 Sample weight for calibration H Use with command 101 of RIW 40038 Sample weight for calibration the COMMAND REGISTER L 40043 Weight value corresponding to ZERO of the analog output H 40044 Weight value corresponding Only after command 99 of to ZERO of the analog output the L COMMAND REGISTER RIW 40045 Weight value corresponding to Full Scale of analog output H 40046 Weight value corresponding to Full Scale of analog output L CAUTION At the time of writing the setpoints hysteresis values the analog output zero and full scale values are saved to the RAM and will be lost upon the next power off to store them permanently to the
41. o at least 50 of the maximum amount that you must weigh and enter in the parameter UE the product loaded value in liters Also if you set the parameter un E LI see paragraph SETTING UNITS OF MEASURE the system will display and print the symbol T instead of kg OUTPUTS AND INPUTS CONFIGURATION atra eS N gt _ TIE OUTPUTS The outputs are set by default as follows GPEn 5EE POSnEG OFF Possible operation modes QPEn normally open the relay is de energized and the contact is open when the weight is lower than the programmed setpoint value it closes when the weight is higher than or equal to the programmed setpoint value LOSE normally closed the relay is energized and the contact is closed when the weight is lower than the programmed setpoint value it opens when the weight is higher than or equal to the programmed setpoint value the contact will switch on the basis of weight according to setpoints see paragraph SETPOINTS PROGRAMMING 16 PLC the contact will not switch on the basis of weight but is controlled by remote protocol commands SERBLE relay switching occurs when the weight is stable If the operation mode SEE is selected the following options are also active Lr 055 the contact will switch on the basis of gross weight nEE the contact will switch on the basis of net weight If the net function is not active the contact will switch on
42. ol on P has been set the decimal point at the position shown on the instrument s display can also be transmitted In this case if the value exceeds 5 digits only the 5 most significant digits are transmitted while if the value is negative no more than the 4 most significant digits are transmitted In both cases however the decimal point shifts consistently with the value to display If Pn has been set in addition to what stated in Hdr P protocol the instrument transmits the prompt nEE every 4 seconds in the gross weight field if on the instrument it has been carried out a net operation see paragraph SEMI AUTOMATIC TARE NET GROSS In case of weight value is under 99999 the minus sign is sent alternated with the most significant figure In case of error or alarm the 6 characters of the gross and net weight are replaced by the messages found in the table of the ALARMS 28 ASCII BIDIRECTIONAL PROTOCOL The instrument replies to the requests sent from a PC PLC It is possible to set a waiting time for the instrument before it transmits a response see dELAY parameter in the paragraph SERIAL COMMUNICATION SETTINGS Following communication modes available see paragraph SERIAL COMMUNICATION SETTINGS fiGdU60 communication compatible with W60000 WL60 Base WT60 Base TLA60 Base instruments Ed communication compatible with TD RS485 instruments Captions Beginning of a request string
43. put opens Setting ensure that the corresponding output closes Analog Output Test AnAL DL It allows the analog signal to range between the minimum and the maximum values starting from the minimum current output test uULE voltage output test Millivolt Test CEL displays the load cell response signal in mV with four decimals 24 SETPOINTS PROGRAMMING From the weight display press to access the setpoints setting 7 to enter a menu confirm the data entry to modify the displayed value or menu item to select a new value or modify the displayed menu item est to cancel and return to the previous menu EE SEt from 0 to max full scale default 0 Setpoint relay switching occurs when the weight exceed the value set in this parameter The type of switching is settable see paragraph OUTPUTS AND INPUTS CONFIGURATION HYSEE from 0 to max full scale default 0 Hysteresis value to be subtracted from the setpoint to obtain contact switching for decreasing weight For example with a setpoint at 100 and hysteresis at 10 the switching occurs at 90 for decreasing weight These values are set to zero if the calibration is changed significantly see paragraphs THEORETICAL CALIBRATION and REAL CALIBRATION WITH SAMPLE WEIGHTS 25 ErCEL the load cell is not connected or is incorrectly connected the load cell signal exceeds 39 mV the conversion electronics AD converter is
44. s phase all of the LEDs are off Adjust the value on display by using the arrow keys if necessary After confirming the new set weight will appear with all the LEDs flashing After an additional confirmation the message UE EHE will be restored and by repeatedly pressing gt 0 lt the key LEY the weight will once again be displayed Example for a system of maximum capacity 1000 kg and 1 kg division two sample weights are available one of 500 kg and the other one of 300 kg Load both weights onto the system and correct the indicated weight to 800 Now remove the 300 kg weight the system must show 500 remove the 500 kg weight too the system must read zero If this does not happen it means that there is a mechanical problem affecting the system linearity CAUTION identify and correct any mechanical problems before repeating the procedure f theoretical full scale and recalculated full scale in real calibration are equal it means that the theoretical calibration is currently in use otherwise the real calibration based on sample weights is in use f the correction made changes the previous full scale for more than 20 all the parameters with settable weight values are reset to default values 12 LINEARISATION OPTION ON MAX 5 POINTS lt is possible to perform a linearization of the weight repeating the above described procedure up to a maximum of five points using five different sample weights The procedure ends by
45. series remote displays the remote display shows the net weight or gross weight according to its settings set bRUd SBOD PR EJ nUnE SEOP 1 P continuous weight transmission protocol to RIP675 RIP6125C series remote displays the remote display shows the net weight or gross weight according to its settings set bAUd 9600 PR SEDP 1 Pn continuous weight transmission protocol to RIP675 RIP6125C series remote displays set bAUd 9600 PAr EY nOnE SEOP 1 When the remote display is set to gross weight ifthe instrument displays the gross weight the remote display shows the gross weight if the instrument shows the net weight the remote display shows the net weight alternated with the message n EE bR d transmission speed 2400 4800 9600 19200 38400 115200 default 9600 2 Addr instrument s address from 1 to 99 default 1 HErte maximum transmission frequency 10 20 30 40 50 60 70 80 default 10 to be set when the C UnE n transmission protocol is selected Maximum setting frequency HErE e 20Hz with minimum baud rate 2400 baud 40Hz with minimum baud rate 4800 baud 80Hz with minimum baud rate 9600 baud dELAY delay in milliseconds which elapses before the instrument replies from 0 to 200 msec default 0 EY nlnE no parity default EUEn even parity Ddd odd parity bit 1 2 de
46. several times PRINT During the net weight displaying keep pressed the 29 key temporarily display the gross weight As soon as the key is released the net weight will be displayed again The semi automatic tare operation is not allowed if the gross weight is zero cofe 28 Pence ye C n fea It is possible to manually set a preset tare value to be subtracted from the display value provided that the P EA E lt max capacity condition is verified After setting the tare value going back to the weight display the display shows the net weight Subtracting the preset tare value and the NET LED lights up to show that a tare has been entered To delete a preset tare and return to gross weight display hold down for about 3 seconds or keep the NET GROSS input if any closed for the same length of time 3 seconds The preset tare value is set to zero The NET LED is turned off when the gross weight is displayed once again PRINT During the net weight displaying keep pressed the Ey key to temporarily display the gross weight As soon as the key is released the net weight will be displayed again 18 ACCESS THE ENTER PRESET TARE FUNCTION IF A PRESET TARE IS ENTERED IT S STILL POSSIBLE TO ACCESS THE SEMI AUTOMATIC TARE NET FUNCTION THE TWO DIFFERENT TYPES OF TARE ARE ADDED W IF A SEMI AUTOMATIC TARE NET IS ENTERED IT IS NOT POSSIBLE TO ALL THE SEMI AUTOMATIC TARE NET AND PRESET TARE FUNCTIONS WILL BE LO
47. t Apply load to the cell and make sure that there is a signal increment IF ONE OF THE ABOVE CONDITIONS IS NOT MET PLEASE CONTACT THE TECHNICAL ASSISTANCE SERVICE MAIN SPECIFICATIONS OF THE INSTRUMENT INVERTER supplier ANALOG OUTPUT 12 24 Volt SERIAL PORT RS485 MAX 8 LOAD CELLS IN LLEL 2 RELAY d OTUPUTS MODETHE MPROFI CONVLAU 2 DIGITAL INPUTS N Optoisolated Externally supplied x TRASMISSION VIA RADIO MODULES RS232 CONVERTER PROFIBUS CONVERTER ETHERNET PLC or FIELD SIGNALS CONVERTER GSM MODEM Weight transmitter and indicator for Omega DIN rail mounting suitable for back panel or junction box Six digit semialphanumeric display 8mm h 7 segment LED Four key keyboard Dimensions 123x92x50 mm P67 box version dimensions 170x140x95mm Four fixing holes diameter 4mm centre distance 122x152mm Displays the gross weight from external contact allows to zero set or display the net weight both values will be lost when the instrument is turned off Peak weight function Transmits the gross or net weight via optoisolated analog output 16 bit current 0 20mA 4 20mA or voltage 0 10V 0 5V x10V x5V by closing a soldering jumper Transmits the gross or net weight via RS485 serial port by means of protocols Modbus RTU ASCII bidirectional protocol Continuous transmission TECHNICAL SPECIFICATIONS POWER SUPPLY and CONSUMPTION VD
48. the basis of gross weight PUSnEL relay switching occurs for both positive and negative weight values POS relay switching occurs for positive weight values only nEG relay switching occurs for negative weight values only VENU By confirming with the setpoints operation can be set to the value 0 OFF relay switching will not occur if the setpoint value is 0 Dn Setpoint 0 and 09 5 05 6 relay switching occurs when the weight is 0 the relay will switch again when the weight is different from zero taking hysteresis into account both for positive and for negative weights Setpoint 0 and fiddE5 POS relay switching occurs for a weight higher than or equal to 0 the relay will switch again for values below 0 taking hysteresis into account Setpoint 0 and NOJES relay switching occurs for a weight lower than or equal to 0 the relay will switch again for values above 0 taking hysteresis into account INPUTS Default input 1 26 0 input 2 nE LO Possible operation modes nE LO NET GROSS by closing this input for no more than one second it s making an operation of SEMI AUTOMATIC TARE and the display will show the net weight To display the gross weight again hold the NET GROSS input closed for 3 seconds eErU by closing the input for more than one second the weight is set to zero see paragraph WEIGHT ZERO SETTING FOR SMALL VARIATIONS S
49. tmosphere the value set in COEFF will be multiplied by the weight value currently displayed P ECE pieces in COEFF set the weight of one piece nEL Newton meters the value set in COEFF will be multiplied by the weight value currently displayed HI LO A kilogram meters the value set in COEFF will be multiplied by the weight value currently displayed generic unit of measure not included in the list the value set in COEFF will be multiplied by the weight value currently displayed 15 weight value If you want to convert them to the new unit of measurement perform one of the following procedures for changing the system calibration The parameter COEFF must remain set to 1 0000 Mm CAUTION All other settings setpoints hysteresis calibration are expressed in THEORETICAL CALIBRATION S CHANGE FOR OTHER UNITS OF MEASURE set in the parameter F5 EEO the F SCALE value divided by the conversion coefficient from kg to the new unit of measure Example The 4 load cells of 1000 kg are placed under a scale for olive oil which has a specific gravity of 0 916 kg l Setting the F SCALE 4x1000 0916 4367 the system works in liters of olive oil Also if you set the parameter un E L ErE see paragraph SETTING UNITS OF MEASURE the system will display and print the symbol T instead of REAL CALIBRATION S CHANGE FOR OTHER UNITS OF MEASURE Load a known quantity of product liters on the scale equal t
50. unication with remote displays series RIP5 20 60 RIPSOSHA RIPLED remote display shows the net or gross weight depending on the remote display setting P communication with remote displays series RIP675 RIP6125C remote display shows the net or gross weight depending on the remote display setting communication with remote displays series RIP675 RIP6125C The instrument sends the following string to the remote display amp NxxxxxxLyyyyyy ckckCR in which amp 1 character of string start 38 ASCII N 1 reference character for net weight 78 ASCII xxxxxx 6 ASCII characters for net or PEAK weight if present 48 57 ASCII L 1 reference character for gross weight 76 ASCII 6 ASCII characters for gross weight 48 57 ASCII N 1 character for separation 92 ASCII ckek 2 ASCII control characters calculated considering that the characters between amp and N are excluded The control value is obtained by carrying out the XOR or exclusive operation for the 8 bit ASCII codes of the characters considered Character expressed in hexadecimal is thus obtained with 2 digits which may acquire values from 0 to 9 and from A to F ckek is the ASCII code of the two hexadecimal digits CR 1 character for string end 13 ASCII In case of negative weight the first character on the left acquires the value lt gt minus sign ASCII 45 If the protoc
51. y installed If this cannot be avoided place the welder ground clamp close to the required welding point to prevent sending current through the load cell body WINDY CONDITIONS KNOCKS VIBRATIONS The use of weigh modules is strongly recommended for all load cells to compensate for misalignment of the support surfaces The system designer must ensure that the plant is protected against lateral shifting and tipping relating to shocks and vibration windy conditions seismic conditions in the installation setting stability of the support structure EARTHING THE WEIGHED STRUCTURE By means of a copper wire with suitable cross section connect the cell upper support plate with the lower support plate then connect all the lower plates to a single earthing system Electrostatic charges accumulated because of the product rubbing against the pipes and the weighed container walls are discharged to the ground without going through or damaging the load cells Failure to implement a proper earthing system might not affect the operation of the weighing system this however does not rule out the possibility that the cells and connected instrument may become damaged in the future It is forbidden to ensure earthing system continuity by using metal parts contained in the weighed structure FAILURE TO FOLLOW THE INSTALLATION RECOMMENDATIONS WILL BE CONSIDERED A MISUSE OF THE EQUIPMENT LOAD CELL INPUT TEST QUICK ACCESS x 3 sec
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