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Page 19

KEY

FUNCTION WHEN SETTING THE PROSED VALUES

SET

It selects the next 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 display shown 

StorE,

 then press 

PRG

 key to go back to the operating mode.

Summary of Contents for DAT 500

Page 1: ...DAT 500 TECHNICAL MANUAL For Analog Profibus Devicenet versions Digital Transmitter Software version PW13081 ...

Page 2: ...Page II ...

Page 3: ...LF CALIBRATION Page 14 SETTING Page 18 CHART OF THE MENU Page 20 SETTING PARAMETERS Page 22 CALIBRATION Page 25 WEIGHTING PARAMETERS Page 27 INPUT OUTPUT PARAMETERS Page 29 SERIAL OUTPUT PARAMETERS Page 32 ANALOG OUTPUT PARAMETERS Page 36 SERIAL COMMUNICATION PROTOCOLS Page 38 FIELDBUS PROTOCOLS Page 46 TROUBLESHOOTING Page 50 GROUNDING CONNECTIONS DAT500 Page 51 INTRINSIC SAFETY BARRIERS Page 52 ...

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: ...on 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 RS422 RS485 and Peak function Suppor ted protocols are Modbus RTU continuous slave and the ones upon request Two programmable setpoints 2 inputs and Peak function DAT 500 A...

Page 6: ... on the net capacity Measurement range 0 5 mV V to 3 5 mV V Frequency of weight capture 5 Hz 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 powe...

Page 7: ... to jets of water 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 th...

Page 8: ...n path The instrument can 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 t...

Page 9: ...he side of the instrument to the ground if it is connected on the other side The cable must not be channeled with power cables the maximum length is 15 meters EIA RS 232 C beyond which you should take the optional RS485 interface RS422 RS485 The serial port RS485 2 wire is present in the model DAT 500 RS485 To achieve the serial connection use a suitable shielded cable ma king sure to connect the ...

Page 10: ...ype B cable depending on the required performance The following table summarizes the features of the cable to be used SPECIFICATION TYPE A CABLE TYPE B CABLE Impedance from 135 to 165 ohm f 3 20 MHz from 100 to 300 ohm f 100 kHz Capacity 30 pF m 60 pF m Resistance 110 ohm km Conductor cross section 0 34 mm2 0 22 mm2 The following table shows the maximum length of the wires line with cable type A a...

Page 11: ... power bus To connect to the DeviceNet master use a standard DeviceNet cable or shielded twisted pair cable as shown on the diagram The cable must not be channeled with power cables For reliable operation of the Fieldbus should be used as a line termination of 121 Ω value between the terminal CAN_L and CAN_H For the configuration of the card is available ESD file that must be installed in the mast...

Page 12: ...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 13: ... 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 Press for 3 sec Access to the setup menu PRG 0 Press for3 sec It accesses the keypad lock unlock menu ...

Page 14: ...vious 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 pressing the PRG key ...

Page 15: ...d 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 the perimeter of the display BLIND function enabled ErrNEN Me...

Page 16: ...ish 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 takes effect immediately even with unstable weig...

Page 17: ... 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 the weight see table on filters In addition to visualization the peak value can be used in the following functions FUNCTION DESCRIPTION LOGIC OUTPUT The setpoints can be set to have the peak value as...

Page 18: ...blished in the process of set up of the logic I O see relevant paragraph To access the Setpoint setting press the SET key and follow the instructions on the figure 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...

Page 19: ... for 3 seconds For more information on the function refer to the block diagram above 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...

Page 20: ...NG 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 FUNCTION DURING THE MAIN MENU PROG...

Page 21: ...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 display shown StorE then press PRG key to go back to the operating mode ...

Page 22: ...L F 3 sec EXIT MENU ENTER MENU DEVICENET 1P Add SubnEt SET FUN SET FUN ETHERNET IP PROFINET 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 ...

Page 23: ...000 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 QUICK SETUP MENU ...

Page 24: ...e 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 calibration par...

Page 25: ...500000 Unit the same of that displayed Default 00000 dsPd1J 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 26: ...e load cells are connected properly to the unit and the tank is empty Then you can set the parameters They are used Nr 3 load cells with capacity of 1000 kg Sensitivity of respectively 2 0015 2 0008 and 1 9998 mV V average value 2 0007 mV V Set the following values in the configuration parameters CAPAC 3000 SEnS1t 2 0007 nEt 1500 dEad L 0 dSpd1J 0 2 Make sure that the value read in the S1GNAL para...

Page 27: ...ernated by 0 You can repeat this operation more times CALIBRATION OF FULL SCALE Prior calibration load the sample weight on the system and wait for the stabilization the display shows a weight value Press the SET key to adjust the weight The display shows the theo retical weight value with the first digit to the left flashing With the arrow keys enter the actual weight loaded on the system startin...

Page 28: ...ad Weight P2 Load Weight P9 PRG 000000 000000 PRG 000000 PRG 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 automatically reset each time you change a data of ...

Page 29: ...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 30: ...tically 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 number of divisions resettable by the pressure of the front button of zero or by Input 1 Values from...

Page 31: ...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 32: ...t peak value acquired even when the peak function is not 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 Hyster...

Page 33: ... on the left Enable and disable 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 ...

Page 34: ... the same value of the PC PLC or remote display Value to be selected 2400 9600 19200 38400 115200 Default 9600 baud2r BAUD RATE COM2 DEVICENET VERSION It defines the baudrate of the DEVICENET interface The value must be set to the same value of the PC PLC Value to be selected 125 250 500 DeviceNet Default 125 DeviceNet Prot 1 COM1 PROTOCOL It defines how to use the RS232 serial port None Serial co...

Page 35: ... Ad4 0 PRG PRG PRG 0 SnEt 1 PRG 000 123 PRG Enter Value SET FUN SnEt 4 0 PRG PRG PRG AddrEs 0 SET FUN PRG Enter Value PRG Modbus MODBUS RTU slave protocol used only if PROT 2 is configured equal NONE See details in the relevant paragraph Selectable communication patrameters n 8 1 n 8 2 E 8 1 o 8 1 Default n 8 1 Print Data transfer to the printer Value to be selected None Contin Demand Autom Slave ...

Page 36: ...SERIAL COMMUNICATION ADDRESS Configuration of the address used in the transmission protocols and in the MODBUS protocol Value from 000 to 99 Default 01 Pr Add PROGRAMMING OF THE PROFIBUS ADDRESS Configuration of the address used in the PROFIBUS protocol Values from 0 to 126 Default 01 dC Add PROGRAMMING OF THE DEVICENET ADDRESS Programming of the address used in DEVICENET protocol Value from 0 to ...

Page 37: ...on of the mapping you should enable the reception of the map Receive button on the PC program During transmission the display of the instrument displays TRASM at the end of the transmission it shows END OK To end the mapping transferring process press the key 0 r Nap RECEIVING DATA FROM THE PC This function allows to receive the registers mapping from the PC program Before starting the mapping tra...

Page 38: ...ameter NodE ANALOG OUTPUT OPERATION MODE Selection 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...

Page 39: ...PRG 0 Fs PRG PRG SET FUN 0 Set Offset offsEt ADJUSTING THE 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...

Page 40: ...racters considered The result is a character that is expressed in hexadecimal with 2 digits that can take values from 0 to 9 and A to F chksum is the ASCII encoding of the two hexadecimal digits In the case of continuous communication protocol the given string is transmitted at a frequency of 10 Hz regardless of the weight filter selected In the case of automatic and manual communication protocols...

Page 41: ...r M EOT DAT 500 Addr M ACK EOT In the case of communication error or otherwise unrecognized command from DAT 500 it will respond with the following string DAT 500 Addr NAK EOT FIELDS DECRIPTION The double quotes enclose constant characters observe upper and lower case the and symbols contain variable numeric fields addr Serial communication address of the instrument it is the ASCII character obtai...

Page 42: ...acity E weight that cannot be detected s1 s2 6 ASCII characters of setpoint net weight 6 ASCII characters of net weight gross weight 6 ASCII characters of gross weight peak 6 ASCII characters of peak If the request is made cyclically the weight is acquired with a maximum frequency of Frequency Baud Rate 200Hz 115200 50Hz 38400 35Hz 19200 25Hz 9600 8Hz 2400 ...

Page 43: ...xpressed as decimal values For any hardware configuration of the instrument FIELDBUS or Analog the MODBUS RTU protocol is always available on COM1 RS232 in the event of Fieldbus absence the MODBUS RTU protocol is also available on COM2 RS485 INSTRUMENT RESPONSE TIMES In order to respond to most requests the instrument takes a maximum time of 20 msec Exceptions are the e2prom Backup command max tim...

Page 44: ...03 READ HOLDING REGISTERS Reading the programmable registers 04 READ INPUT REGISTERS Reading the read only registers 05 FORCE SINGLE COIL Writing the status of each output 06 PRESET SINGLE REGISTER Writing a programmable register 15 FORCE MULTIPLE COILS Multiple writing of outputs 16 PRESET MULTIPLE REGISTERS Multiple writing of registers Funct 80h EXCEPTION RESPONSE ...

Page 45: ... 41005 Tare of the system MSB R W DINT 41006 Tare of the system LSB R W 41007 System capacity MSB R W DINT 41008 System capacity LSB R W 41101 Weight filter R W INT 0 9 41102 Weight stability R W INT 0 4 41103 Auto zero setpoint in MSB R W DINT 0 100 41104 Auto zero setpoint in LSB R W 41105 Zero tracking R W INT 0 4 41106 Zero band in divisions R W INT 41201 Operation mode Set 1 R W INT See table...

Page 46: ...ge this bit is set to 1 OPERATION Bit related to the Band of zero bit 2 of the STATUS REGISTER When the gross weight is less than or equal to the parameter Band of zero in divisions bit 2 of the status register is set to 1 TABLE B KEYS CODING 40011 bit Keys Status 0 SET key 1 FUN key 2 0 key 3 PRG key WARNING Bits 4 to 15 are not managed and are always equal to 0 TABLE C FIRMWARE CODING bit Firmwa...

Page 47: ...ale 41403 Analog mode 41404 Analog range TABELLA F WEIGHT SETPOINT OPERATION CODING bit Setpoint operation mode 0 1 0 Net weight 1 Gross weight 2 Peak 2 0 N O 1 N C 3 0 Positive values 1 Negative values 4 0 Always controlled 1 Only with stable weight EXAMPLE CALIBRATION FUNCTION VIA MODBUS To perform the calibration of full scale that require the weight value in the sample set in the data register...

Page 48: ...scription Format Note Byte Bit 0 0 Keyboard_Look BOOL See table A Page 44 0 1 Memory_Flag BOOL See table A Page 44 0 2 Input_1 BOOL See table A Page 44 0 3 Input_2 BOOL See table A Page 44 0 4 Output_1 BOOL See table A Page 44 0 5 Output_2 BOOL See table A Page 44 0 6 Spare BOOL See table A Page 44 0 7 Spare_1 BOOL See table A Page 44 1 0 Center_of_Zero BOOL See table A Page 44 1 1 Stable_Weight B...

Page 49: ...OL See table F Page 45 62 0 Set_1_Hysteresys DINT 66 0 Set_1_Timer INT 68 0 Set_1_Delay INT 70 0 Not used BYTE 71 0 Set_2_Net_Weight BOOL See table F Page 45 71 1 Set_2_Gross_Weight BOOL See table F Page 45 71 2 Set_2_NO_NC BOOL See table F Page 45 71 3 Set_2_Pos_Neg_Values BOOL See table F Page 45 71 4 Set_2_Control BOOL See table F Page 45 72 0 Set_2_Hysteresys DINT 76 0 Set_2_Timer INT 78 0 Set...

Page 50: ...ght BOOL See table F Page 45 173 2 Set_1_NO_NC BOOL See table F Page 45 173 3 Set_1_Pos_Neg_Values BOOL See table F Page 45 173 4 Set_1_Control BOOL See table F Page 45 174 0 Set_1_Hysteresys DINT 178 0 Set_1_Timer INT 180 0 Set_1_Delay INT 182 0 Not used BYTE See table F Page 45 183 0 Set_2_Net_Weight BOOL See table F Page 45 183 1 Set_2_Gross_Weight BOOL See table F Page 45 183 2 Set_2_NO_NC BOO...

Page 51: ... data by writing the value Hex 20 in Command Register N B The DAT 500 does not accept writing of the same values already written To perform Zero and FS Calibration it is not needed to abilitate the internal Writing Area of the DAT 500 Zero Calibration Whit empty system put Hex 10 in Command Register byte 128 The new Zero value is stored Full Scale Calibration Put a know weight on the system and wr...

Page 52: ...rect division value in the main menu The serial communication does not work properly Installation wrong 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 automatic zero The weight doesn t...

Page 53: ...2 3 4 5 A B D C 0 Vdc GROUNDING CONNECTIONS DAT 500 1 Silo 2 Load cell Accessory 3 Junction Box 4 DAT indicator A Load receptor base Earthing B Accessory Earthing C Junction Box Earthing D DAT indicator Earthing ...

Page 54: ...g Exc Exc Sig Sig Exc Exc Sig Sig Exc Exc Sig Sig SAFE AREA 8 5 Z961H 4 1 6 5 Z966H 4 3 8 5 Z961H 4 1 Signal Signal Exc Exc Sense Sense Signal Signal Exc Exc Sense Sense 19 20 21 22 23 24 Exc Exc Sens Sens Sig Sig Model 500 Digital Analog Transmitter Summing Junction Box PEPPERL FUCHS Intrinsic Safety Barriers FUNCTION COLOR Exc Green Sense Blue Exc Black Sense Yellow Signal Red Signal White Shiel...

Page 55: ...s in the incoming line voltage Recent field experiences have shown that voltage drops of greater than 10 can cause the transmitters to drift and become unstable FUSE REPLACEMENT The following procedures require work inside the power supply enclosure and should be performed by qualified service personnel Before opening the unit disconnect the AC voltage Remove the front cover from the power supply ...

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