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Pavone Sistemi DAT 500, Technical Manual

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dIAGRAM OF THE MENU

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Summary of Contents for DAT 500

Page 1: ...Pavone Sistemi pesatura elettronica industriale TECHNICAL MANUAL DAT 500Weight Indicator Transmitter with serial and ANALOG output Software version PW13012 ...

Page 2: ...Page II ...

Page 3: ...9 INFO DISPLAY Page 11 VIEWING ZEROING THE WEIGHT AND SELF CALIBRATION Page 12 SETTING Page 16 CHART OF THE MENU Page 18 SETTING PARAMETERS Page 20 CALIBRATION Page 23 WEIGHTING PARAMETERS Page 25 INPUT OUTPUT PARAMETERS Page 27 SERIAL OUTPUT PARAMETERS Page 30 ANALOG OUTPUT PARAMETERS Page 33 SERIAL COMMUNICATION PROTOCOLS Page 35 UPLOAD AND DOWNLOAD FUNCTION Pag 48 TROUBLESHOOTING Pag 53 ...

Page 4: ... maintenance of this instrument must be allowed to qualified personnel only Be careful when you perform inspections testing and adjustment with the instrument on Perform the electrical connections in the absence of the power supply Failure to observe these precautions may be dangerous DO NOT allow untrained personnel to work clean inspect repair or tamper with this instrument ...

Page 5: ...ity of the most common fieldbuses as an alternative to the RS422 RS485 port also allows the transmitter to interface with any supervision device currently offered by the market Available versions DAT 500 weight transmitter with serial output RS232 RS485 and Peak function Supported protocols are Modbus RTU continuous slave and the ones upon request Two programmable setpoints 2 inputs and Peak funct...

Page 6: ...he net capacity Measurement range 0 5 mV V to 3 5 mV V Frequency of weight capture 5 50 Hz Digital filter To be selected from 0 2 Hz to 25 Hz Number of weight decimals 0 3 decimal places Zero calibration and full scale Automatic theoretical or executable from the keyboard Logic outputs 2 opto isolated dry contact max 24Vdc 60 mA each Logic inputs 2 opto isolated at 24 Vdc PNP external power supply...

Page 7: ...er and cleaned or washed with solvents Do not expose to heat or direct sunlight OVERALL DIMENSIONS Electric installation The transmitter DAT 500 uses screw terminal boards pitch 5 08 mm for the electrical con nection The load cell cable must be shielded and channeled away from tension cables to prevent electromagnetic interference INSTRUMENT POWER SUPPLY The instrument is powered through the termi...

Page 8: ... be connected up to a maximum of 8 load cells of 350 ohm in parallel The supply voltage of the cells is 5 Vdc and is protected by temporary short circuit The measuring range of the instrument involves the use of load cells with a sensitivity of up to 3 5 mV V The cable of the load cells must be connected to terminals 19 24 In the case of 4 wire load cell cable jumper the terminals 19 to 22 and 20 ...

Page 9: ... with power cables the maximum length is 15 meters EIA RS 232 C beyond which you should take the optional RS485 interface ANALOG OUTPUT optional The transmitter provides an analog output in current and voltage Analog voltage output range from 10 to 10 V or 5 to 5 V 10 Kohm minimum load Analog current output range from 0 to 20 mA or 4 to 20 mA The maximum load is 300 Ω To achieve the serial connect...

Page 10: ...SPLAY On the 6 digit display it s usually shown the scale weight According to the various programming procedures the display is used for programming of the parameters to be stored in the memory or the messages that indicate the type of operation being carried out and help therefore the Operator in the management and programming of the instrument LED INDICATORS Below the display there are 4 LED ind...

Page 11: ... setpoints FUN Select the display view gross weight net weight Long press Selection of the weight peak display 0 Resetting the displayed value gross weight net weight or peak Press and hold for 5 sec Calibration of zero to be executed only if its function is enabled in the PARAM menu see item 0 ALL PRG Sending the weight string on the serial line Long press Access to the quick set up menu PRG SET ...

Page 12: ...value KEY FUNCTION WHEN SETTING THE NUMERICAL VALUES SET It selects the next value FUN It selects the previous value PRG It confirms and store the displayed value EXIT FROM THE SETTING MENU Press the 0 key to return to the main menu Press the 0 key again It s displayed StORE Press the PRG key to return to the main menu To exit without saving any changes switch off the instrument instead of pressin...

Page 13: ...can report the following error codes ϩϩϩϩϩϩ the weight applied to the load cell exceeds by more than 9 divisions the maximum capacity of the weighing system O L Signal of the load cells absent or outside of the measurement range mV V NO CON Fieldbus network disconnected E PROF PROFIBUS interface absent or not operating E dNEt DEVICENET interface absent or not operating ϩϩϩϩϩϩ Dash that runs along ...

Page 14: ...nstable weight In this condition we must distinguish two cases 1 The weight stability control is enabled the parameter MOTION must be other than zero the command executed while the weight is unstable only has an effect if the weight stabilizes within 3 seconds from the moment the command was given 2 The weight stability control is disabled the parameter MOTION is equal to zero the executed command...

Page 15: ... in parameter 0 BAND the zero cannot be executed In this case it is necessary to calibrate the Zero Any auto zero parameter setting when switching on AUTO 0 reduces or cancels in the case of AUTO 0 0 BAND the range of action of the reset command PEAK FUNCTION The instrument continuously memorizes the peak value of the gross weight The peak value is detected at the same frequency of acquisition of ...

Page 16: ... on the table below During the step of setting the setpoints both outputs are disabled If the setpoint value in memory is 0 the corresponding output is never enabled regardless of the set up of the selected setpoints When the weight is not detectable or out of range all outputs are disabled contact open or closed depending on the MODE see the relevant chapter INPUT OUTPUT FUNCTIONS INPUT 1 Resetti...

Page 17: ...function refer to the block diagram below SWITCHING THE DISPLAY OFF This function allows turning off the display after a programmable time You can select ON OFF of the parameter BLIND and the setting of a time the time count starts from the moment when after exiting the setup menu the display shows the weight value After the set time the display turns off and only a dash appears This dash cycles t...

Page 18: ...supplied Changing and entering the parameters The setup parameters are grouped into a number of main menus To access the setup menu press the PRG key and then the SET key and hold down simultaneously for 3 seconds The display shows the message Conf1G that is the first of the main menus Use the arrow keys to select the menu you want to change Press the PRG key to access the selected menu KEY FUNCTI...

Page 19: ...xt value FUN It selects the previous value PRG It confirms and store the displayed value The menu parameters can assume values that can be set or selected NOTE To exit and save the modified data press multiple times the 0 key until the indicator returns to the operating mode ...

Page 20: ...ro tEst ranGE OffsEt StorE CaL 0 CaL 123456 60000 3 sec EXIT MENU ENTER MENU 0 PRG PRG SET SET FUN SET FUN SET FUN SET FUN SET FUN FUN 0 0 0 0 0 0 0 0 0 0 PRG 0 PRG PRG PRG PRG PRG SET SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN FUN SET SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN...

Page 21: ...0 CaL 123456 60000 5 sec EXIT MENU ENTER MENU 0 PRG FUN PRG SET SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN SET FUN FUN PRG 0 0 PRG SET SET PRG Enter Value PRG PRG Enter Value PRG PRG Enter Value PRG PRG Enter Value PRG PRG Select Value PRG PRG See Value 0 PRG Enter Value PRG PRG ...

Page 22: ...d to the best of 10 000 divisions Calibration of the theoretical approximate calibration of the weight zero and full scale Automatic programming of the overload setpoint NET These functions are performed each time you change one of the 4 parameters shown When you change the DSPDIV selection it is automatically recalculated to full scale calibration The selections are incompatible with the calibrat...

Page 23: ...500000 Unit the same of that displayed Default 00000 dsPdIJ DIVISION VALUE The ratio between the capacity of the system and the division value represents the resolution of the system number of divisions Following the change of the capacity of the system it is automatically selected the division value to the best of 10000 divisions Following the change of the division value if the maximum capa city...

Page 24: ...age value 2 0007 mV V Set the following values in the configuration parameters CapaC 3000 sEnsit 2 0007 Net 1500 dEad L 0 dsPdIJ 0 2 Make sure that the value read in the S1GnaL parameter corresponds with the calibration weight of the system according to the following proportion 3000 2 0007 750 X Where X is the value of the signal expressed in mV V corresponding to the theoretical value of the weig...

Page 25: ...t displayed resets and the display shows Cal alternated by 0 You can repeat this operation more times CALIBRATION OF FULL SCALE Before you do this load the sample weight on the scale and wait for the stabilization the display shows a weight value Press the SET key to adjust the weight The display shows the theoreti cal weight value with the first digit to the left that is flashing With the arrow k...

Page 26: ...PRG 000000 PRG FUN 0 it cancels the zero calibration FUN SET it cancels the calibration of the full scale LINEARIZATION PROCESS When planning the sample weight values greater than the full scale or lower than the previous point or when the weight is not stable are not accepted If the entered value is accepted it is proposed the next step otherwise still the same The linearization points are automa...

Page 27: ...25 Hz 1 50 Hz 16 Hz 2 25 Hz 8 Hz 3 25 Hz 5 Hz 4 25 Hz 2 5 Hz 5 10 Hz 1 5 Hz 6 10 Hz 1 Hz 7 10 Hz 0 7 Hz 8 5 Hz 0 4 Hz 9 5 Hz 0 2 Hz Default 5 Notion WEIGHT STABILITY This parameter defines the divisions number needed to deem the weight stable A large number of divisions allows the transmitter to detect quickly the weight stability which is needed when executing tare and print commands Value Change...

Page 28: ...on compensating for the temperature drift of the weight When you switch off the transmitter it automatically returns to the previous zero calibration The maximum weight resettable by this parameter is 2 of the range of the system To disable this feature use the value 0 Value Change 0 Control OFF 1 0 5 div sec 2 1 div sec 3 2 div sec 4 3 div sec Default 0 0 band ZERO BAND This parameter defines the...

Page 29: ...ith the last peak value acquired even when the peak function is not active N O The relay 1 is normally open N C The relay 1 is normally closed Default N O POS The output is operating with positive weight NEG The output is operating with negative weight Default POS NORML Output 1 is active with unstable weight STABL The output is active with stable weight Default Norml Hyst 1 HYSTERESIS OF THE Setp...

Page 30: ...ot active N O The relay 2 is normally open N C The relay 2 is normally closed Default N O POS The output is operating with positive weight NEG The output is operating with negative weight Default POS NORML Output 2 is active with unstable weight STABL Output 2 is active with stable weight Default Norml Hyst 2 HYSTERESIS OF THE Setpoint 2 Hysteresis value than the setpoint value set Value from 0 to...

Page 31: ...sable the inputs to check the corresponding state on the display During this procedure the normal function of the inputs is not active Use this procedure only to check the hardware tstoUt Logic outputs test procedure The display shows the outputs status 0 output disabled 1 output activated The input 1 corresponds to the 1a value on the left During this procedure the LEDs reflect the state of the o...

Page 32: ...00 19200 38400 115200 Default 9600 Prot 1 Com1 protocol It defines how to use the serial port RS232 None Serial communication OFF Contin Continuous transmission of the weight string It can be used for example to drive a weight repeater See details in the relevant paragraph Deman When the Operator presses the front button or through Input 2 a string of weight is transmitted The command is accepted ...

Page 33: ...Add Programming of the FIELDBUS address Configuration of the address used in the FIELDBUS protocol Values from 01 to 63 Default 01 dELay DELAYED RESPONSE OF THE SLAVE AND MODBUS RTU COM1 PROTOCOLS Indicative delay of the response string used in the SLAVE protocol expressed in 1 100 sec max 1 sec This value is expressed in seconds and represents the delay with which the instrument sends the respons...

Page 34: ...rs of the serial COM1 protocols parity bits n stop bits except MODBUS Selectable values n 8 1 n 8 2 E 8 1 o 8 1 n 7 2 E 7 1 E 7 2 o 7 1 o 7 2 Default n 8 1 AddrEs dELay rEN Co data F 0 0 0 0 SET FUN SET FUN SET FUN SET FUN PRG Enter Value PRG PRG PRG Remote connection PRG Select Value PRG PRG Pr Add 0 SET FUN PRG Enter Value PRG Enter Value PRG ...

Page 35: ...on of the value to be associated to the analog output corre sponding to the net weight gross weight or the peak value Value to be selected NET GROSS PEAK Default GROSS AnZEro ZERO VALUE OF THE ANALOG OUTPUT Analog value related to the full scale of the analog output to be subtracted tEst ANALOG OUTPUT TEST PROCEDURE With this procedure it is possible to check the operation of the analog output cau...

Page 36: ... OFFSET CALIBRATION Measure the analog output value with a multimeter to perform the calibration of zero 0 and full scale FS Use the SET and FUN keys to adjust the analog output Press and hold down the key for a rapid change Press the 0 key to toggle between offset of zero and that of full scale Press the PRG key to return to the OFFSET sub menu Press the 0 key to return to the ANALOG menu ...

Page 37: ...t cannot be detected net weight field consisting of 6 ASCII characters of net weight gross weight field consisting of 6 ASCII characters of gross weight peak field consisting of 6 ASCII characters of peak chksum 2 ASCII control characters calculated considering the characters between STX and ETX excluded The control value is obtained by executing the operation of XOR or exclusive of the 8 bit ASCI...

Page 38: ...rom the SLAVE concerned CONTROLDS FORMAT DESCRIPTION The double quotes enclose constant characters observe upper and lower case the and symbols contain variable numeric fields REQUEST FOR THE NET AND GROSS WEIGHT AND CURRENT PEAK Master Addr N EOT DAT 500 N Addr status net gross peak ETX chksum EOT CHANGE IN GROSS WEIGHT Master Addr C L EOT DAT 500 Addr C L ACK EOT CHANGE IN NET WEIGHT Master Addr...

Page 39: ...ed into 2 characters by considering separately the upper 4 bits first character and lower 4 bits second character the 2 characters obtained are then ASCII encoded example XOR 5Dh csum 5Dh namely 35h and 44h ETX end of text 0x03h EOT end of transmission 0x04h ACK acknowledgment 0x06h NAK No acknowledgment 0x15h status an ASCII character that can take the following values S stable weight M weight th...

Page 40: ...0 times therefore you should avoid writing continuously into this memory To confirm the storage of a new value in the E2prom perform the MAKE BACKUP function See Command register table If this function is not performed all of the newly stored data will be lost when power is removed from the instrument The Set point setting does not require the MAKE BACKUP function to be performed The set point val...

Page 41: ... important rule to be taken into consideration Before converting the address into an hexadecimal value the 1st digit on the left has not to be considered and the remaining 4 digits have to be decremented by 1 1st EXAMPLE To represent the address 40150 display division as hexadecimal value exclude the digit 4 remains 0150 then decrement by 1 the number 0150 The result is 0149 now perform the conver...

Page 42: ... Nr of bytes 1st register 2 nd register 2 byte Tot byte A 0x03 0x04 0x0064 0x00C8 CRC 3 2 N registri 2 FUNCTION 4 READ INPUT REGISTERS QUERY Address Function 1st Input address Nr of registers 2 byte Tot byte A 0x04 0x0000 0x0001 CRC 8 RESPONSE Address Function Nr of bytes 1st regi ster 2 byte Tot byte A 0x04 0x02 0x0064 CRC 3 2 N registri 2 FUNCTION 5 FORCE SINGLE COIL QUERY Address Function Outpu...

Page 43: ...transmitted as output status 8 output for byte Output status nr 1 output for bit 1 On 0 Off First output corresponds to the LSB of the 1st byte The non significant bits are 0 The response contains the identification of the outputs changed after the command has been executed FUNCTION 16 PRESET MULTIPLE REGISTERS QUERY Address Function 1st register address Nr of reg Nr of bytes Val reg 1 Val reg 2 2...

Page 44: ...Dead load of the weighing system L DEAD L 0 to full scale 1 YES 40110 Operating mode 0 2 3 YES 40150 Display divisions 0 14 2 See relative table YES 40180 Digital filter value 0 9 3 YES 40181 Motion band value 0 4 3 YES 40182 Auto zero value 0 0 1 10 00 3 YES 40183 Zero tracking value 0 4 3 YES 40200 Operating mode Set point 1 YES 40201 Hysteresis Set point 1 0 to full scale YES 40202 Timer Set po...

Page 45: ...e 2 Byte 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 SET KEY Bit status FUN KEY 0 non pressed key 0 KEY 1 pressed key PRG KEY Writing value 0xAA in the word 40303 will determine the standard function of the keys set up Serial parameter specifications Once the serial address and response delay have been modified they take effect immediately The serial port mode can t be modified via Modbus When setting a new b...

Page 46: ... therefore the values given in the above mentioned example are equivalent to Net weight polarity 1 negative Gross weight polarity 0 positive Weight stability 1 yes Millivolt polarity 0 positive Underload condition 0 no Overload condition 0 no Off range condition 0 no Preset tare condition 1 yes Input 1 and 2 0 de activated Relay output 1 status 1 activated Relay output 2 status 0 de activated Scal...

Page 47: ...automatic zero NO 0002 02 Autotare NO 0003 03 Peak reset NO 0004 04 Force net weight visualization NO 0005 05 Force gross weight visualization NO 0016 10 Zero calibration YES 0017 11 Full scale calibration 40081 sample weight value in division YES 0018 12 Reset zero calibration YES 0019 13 Reset full scale calibration YES 0032 20 Back up eeprom YES Except for the Full Scale Calibration the executi...

Page 48: ...le coil see page 39 To test the analog output must first write the value 0 to 64000 into 40083 Status Data Register and then write the function code 6 40082 in the address Remember to reset function codes by writing 0 in the 40082 so that the instrument executes commands continuously COMMUNICATION ERRORS The communication strings are controlled by the CRC Cyclical Redundancy Check If a communicati...

Page 49: ...the print command can take place through the remote input 2 only The weight stability condition is controlled only if the MOTION parameter see page 25 is set to a value different than 0 If MOTION 0 the printed report is issued even if the weight is unstable In case the BLIND function is enabled see page 15 the print command can take place through the remote input 2 only not via the PRG key Between...

Page 50: ... configuration to be transferred to an instrument With the Upload Download procedures the PC is only used as a bridge a tool to transfer the set up configuration from an instrument to another one The advantages related to Upload and Download functions can be summed up as follows 1 Quick parameter transfer from one instrument to another 2 Saving of Zero and FS Calibration previously performed as De...

Page 51: ... PC Start All Programs Accessories Communications Assign any name to the Connection description and Click on OK 3 At Connect using select the serial port to be used for com municating with the DAT the example here below selects the PC s COM1 serial port then Click on OK 4 Set the serial port communication parameters Baud rate Bits per second and Data format Data Bits Parity Stop Bits must correspo...

Page 52: ...t 200 milliseconds On the lower part of the screen ASCII Receiving Enable Wrap lines that exceed terminal width Then click on OK two times 7 Click on Transfer then on Capture Text Click on Browse to select de stination directory and assign a name to the file incoming Click on Start 8 Press PRG key on the DAT to start data transfer to the PC When transfer is complete lasting a few seconds the instr...

Page 53: ...on on the upper right corner of the screen 11 Click on Yes when Hyper Terminal prompts the following 12 In the destination directory previously de cided at Section 7 a text file was created and a name assigned containing the instrument s configuration The file can be open with the Notepad application althou gh the related data cannot be interpreted and most of all must not be modified ...

Page 54: ...wing example 3 Click on Transfer then on Send text file 4 Get the instrument ready to receive the text file from the PC by pressing the PRG key message on the display Receiv 5 Browse the directory previously decided at Section 7 and locate the text file to be transferred to the instrument a double click on it will start the data tranfer process Upon receipt of file the instrument automatically ret...

Page 55: ...rrect division value in the main menu The serial communication does not work properly You have not performed the installation correctly The selection of the operation of the serial interface is incorrect Check the connections as described in the installation manual Select the settings as appropriate The function of semiautomatic zero doesn t work The gross weight exceeds the action limit of semi a...

Page 56: ...Page 54 ...

Page 57: ... instructions given in the manual for use and installation complies with the fol lowing Directives EMC Directive 2004 108 EC and subsequent amendments With application of the following standards EN 61000 6 2 2005 EN 61000 6 3 2007 Low Voltage Directive 2006 95 EC and subsequent amendments With application of the following standards EN 61010 1 2011 Cavenago di Brianza 06 14 2012 Di Reda Donato Mana...

Page 58: ......

Page 59: ...PAVONE SISTEMI S R L Via Tiberio Bianchi 11 13 15 20863 Concorezzo MB ITALY T 0039 039 9162656 F 0039 039 9162675 W en pavonesistemi it Industrial Electronic Weighing Systems since 1963 ...

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