Precise Instrument DAT 400 Technical Manual Download

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DAT 400

TECHNICAL MANUAL

For Analog/Profibus/Devicenet versions

Digital Transmitter

Software version PW13081

Summary of Contents for DAT 400

Page 1: ...DAT 400 TECHNICAL MANUAL For Analog Profibus Devicenet versions Digital Transmitter Software version PW13081...

Page 2: ...Page II...

Page 3: ...SETTING Page 18 DIAGRAM OF THE MENU Page 20 CONFIGURATION PARAMETERS Page 22 CALIBRATION Page 25 WEIGHING PARAMETERS Page 27 INPUT OUTPUT PARAMETERS Page 29 SERIAL OUTPUT PARAMETERS Page 32 ANALOG PAR...

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 t...

Page 5: ...The availability 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...

Page 6: ...isions 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...

Page 7: ...bjected 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 400 uses screw terminal boards pitch...

Page 8: ...ent 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 i...

Page 9: ...um load is 300 To achieve the serial connection use a suitable shielded cable making sure to connect the shield to one of the two ends to pin 9 if connected on the side of the instrument to the ground...

Page 10: ...A to type 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...

Page 11: ...s line 5 V Positive 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...

Page 12: ...PLAY 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...

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...

Page 14: ...ious 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...

Page 15: ...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 disc...

Page 16: ...inguish 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 w...

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...

Page 18: ...lished 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 table below During the step of setting the s...

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 O...

Page 20: ...G 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 sho...

Page 21: ...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...

Page 22: ...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 S...

Page 23: ...00 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 Va...

Page 24: ...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 e...

Page 25: ...0000 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...

Page 26: ...d cells are connected properly to the unit and the tank is empty and 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...

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 P...

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 weigh...

Page 29: ...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 Not1on WEIGHT STABILITY This parameter defines the divisions numb...

Page 30: ...off it automatically returns to the previous zero cali bration 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 C...

Page 31: ...th 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 weig...

Page 32: ...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...

Page 33: ...OGIC INPUTS TEST PROCEDURE The display shows the inputs status 0 input disabled 1 input activated The input 1 corresponds to the 1st value on the left Enable and disable the inputs to check the corres...

Page 34: ...t serial ports COM1 with RS232 or RS422 RS485 interface COM2 with optional FIELDBUS interface baUd r BAUD RATE COM1 It defines the baudrate of the RS232 serial port The value must be set to the same v...

Page 35: ...T 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 SET FUN Modbus MODBUS RTU slave protocol used only if PROT 2 is configured equal N...

Page 36: ...r Prot 1 prot 2 AddrEs Pr Add dELay rEN Co data F AnaLoG f sCaL NodE AnzEro tEst ranGE OffsEt StorE CaL 0 CaL 123456 60000 t Nap r NaP dELNap baud2r dN Add SET FUN 0 ALL F 3 sec EXIT M ENTER MENU DEV...

Page 37: ...n 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 EN...

Page 38: ...meter 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...

Page 39: ...N 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...

Page 40: ...acters 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...

Page 41: ...M EOT DAT 400 Addr M ACK EOT In the case of communication error or otherwise unrecognized command from DAT 400 it will respond with the following string DAT 400 Addr NAK EOT FIELDS DECRIPTION The dou...

Page 42: ...city 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 I...

Page 43: ...pressed 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...

Page 44: ...3 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 Wri...

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...

Page 46: ...e 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...

Page 47: ...ale 41403 Analog mode 41404 Analog range TABLE 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...

Page 48: ...print command can take place through the remote input 2 only The weight stability condition is controlled only if the MOTION parameter see page 28 is set to a value different than 0 If MOTION 0 the pr...

Page 49: ...owing the instrument to be interfaced with a PC through the USB port is named CP210x manufactured by Silicon Laboratories The CP210x module needs the drivers to be installed in the PC By installing on...

Page 50: ...T DATA AREA ADDRES Description Format Note Byte Bit 0 0 Keyboard_Look BOOL See table A Page 45 0 1 Memory_Flag BOOL See table A Page 45 0 2 Input_1 BOOL See table A Page 45 0 3 Input_2 BOOL See table...

Page 51: ...1 4 Set_1_Control BOOL See table F Page 46 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 46 71 1 Set_2_Gross_Weigh...

Page 52: ...Gross_Weight BOOL See table F Page 46 173 2 Set_1_NO_NC BOOL See table F Page 46 173 3 Set_1_Pos_Neg_Values BOOL See table F Page 46 173 4 Set_1_Control BOOL See table F Page 46 174 0 Set_1_Hysteresys...

Page 53: ...data by writing the value Hex 20 in Command Register N B The DAT 400 does not accept writing of the same values already written To perform Zero and FS Calibration it is not needed to abilitate the int...

Page 54: ...ect 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 desc...

Page 55: ...3 4 5 A B D C 0 Vdc GROUNDING CONNECTIONS DAT 400 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 indicato...

Page 56: ...6 7 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 Sig Sig Exc Sens Sens Exc Shield Exc Exc Sig Sig Shield Exc Exc Sig Sig Shield Exc Exc Sig Sig Shield Exc Exc Sig Sig Shield SAFE AREA 8 5 Z961H 4 1 6 5 Z966H 4 3 8 5...

Page 57: ...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 L N 230 VAC 24 VDC Fuse LED FUSE REPLACE...

Page 58: ...Page 56 NOTES...

Page 59: ...Page 57 NOTES...

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