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Pavone Systems DAT 100, Техническое руководство

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Page 18

Otrac

 TRACKING THE ZERO 

This function allows a momentary zero calibration compensating the 

eventual temperature drift of the weight.
At power off it automatically returns to the previous 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

Oband

 ZERO BAND 

This parameter defines the number of divisions resettable by pressing  

the zero front button.

Values: from 0 to 200

Default: 100

dELta

 WEIGHT DELTA

It defines the minimum number of divisions needed to discriminate 

two consecutive weighing in serial transmissions of the weight. 

Values: from 0 to 200
Default: 20

Содержание DAT 100

Страница 1: ...PAVONESYSTEMS TECHNICAL MANUAL DAT 100 Serial and analog weighing Indicator Trasnmitter Software versione PW0305 ...

Страница 2: ...Page II ...

Страница 3: ...0 VIEWING ZEROING THE WEIGHT AND AUTOTARE Page 11 SET UP Page 13 FLOW CHART MENU Page 14 WEIGHING SET UP MENU Page 15 WEIGHT CALIBRATION MENU Page 16 WEIGHING PARAMETERS SET UP MENU Page 17 SERIAL COMMUNICATIONS PORTS MENU Page 19 LOGIC INPUT AND OUTPUT MENU Page 23 ANALOG OUTPUT MENU Page 25 SERIAL COMMUNICATION PROTOCOLS Page 26 NOTES ON THE ANALOG OUTPUT OPERATION Page 32 TROUBLESHOOTING Page 3...

Страница 4: ...ntenance of this instrument must be allowed to qualified personnel only Be careful when you perform inspections testing and adjustment with the instrument swithced on Failure to observe these precautions may be dangerous All connections must be performed when the instrument is switched off DO NOT allow untrained personnel to work clean inspect repair or tamper with this instrument ...

Страница 5: ... 0 5 Vdc allows an additional interfacing to PLC and remote displays The DAT 100 also has two programmable SET POINTs to utilize as levels set points etc AVAILABLE VERSION DAT 100 A weight transmitter with selectable analog output under voltage or current Two program mable set points 2 inputs and Peak function DAT 100 RS485 weight transmitter with serial output RS232 RS485 and Peak function Suppor...

Страница 6: ...n 4 Vdc Linearity 0 01 of the full scale Temperature drift 0 001 of the full scale C Internal resolution 24 bit Measuring range 3 9 3 9 mV V Digital filter To be selected from 0 2 Hz to 25 Hz Number of decimals weight 0 4 decimal places Calibration of zero and full scale From the buttons Check of load cell cable interruption Always present Logic outputs DAT 100 A 2 relay outputs with No contact Re...

Страница 7: ...olvents Do not expose to heat or direct sunlight OVERALL DIMENSIONS ELECTRIC INSTALLATION DAT 100 is equipped with removable screw pitch 5 08 mm The load cell cable must be shielded and channeled away from power cables to prevent electromagnetic interferences INSTRUMENT POWER SUPPLY The instrument is powered through the terminals 23 and 24 The power supply cable must be channeled separately from o...

Страница 8: ...ECTOR Page 6 LOAD CELL CONNECTIONS The cable of the load cell or load cells should not be channeled with other cables but has to follow its own path The instrument can be connected up to maximum 4 load cells of 350 ohm in parallel The supply voltage of the load cells is 4 Vdc and is protected by temporary short circuit The measuring range of the instrument involves the use of load cells with a sen...

Страница 9: ...eight is zeroed SERIAL COMMUNICATION RS232 The RS232 serial port is always present and can handle several protocols To achieve the serial connection use a suitable shielded cable and make sure to ground the screen at one of the two ends to pin 13 if attached on the side of the instrument to the ground if connected on the other side The cable must not be channeled with power cables maximum length o...

Страница 10: ...ANSMITTER ANALOG OUTPUT The instrument provides an analog output in current and voltage Analog voltage output range from 10 to 10 V or 5 to 5 volts 10K ohm minimum load Analog current output range from 0 to 20 mA or 4 to 20 mA The maximum load is 300Ω To achieve the connection use a shielded cable making sure to connect the shield to one of the two ends ...

Страница 11: ...shing USING THE KEYBOARD The instrument is programmed and controlled through the 3 keys keyboard with the following functions KEY FUNCTIONS IN WEIGHT INDICATION CONDITIONS s Short press Display switches from Gross to Net weight Long press Display switches from Weight to Peak u Short press Display switches from Numerical to Bar graph of to gross weight Long press Zeroing of the weight peak displaye...

Страница 12: ...imum capacity of the weighing system Underload The weight applied to the load cell is lower than 9999 divisions the maximum capacity of the weighing system O L O L No signal from the load cells or outside of the field of measurement mV V noCAL NOCAL Transmitter not calibrated Recalibration needed ErNEN ERMEM Error in E2PROM You can reprogram the instrument to the factory settings erasing any calib...

Страница 13: ... 1 15 of full scale The bar graph display is indicated by both LEDs flashing ZEROING THE WEIGHT This operation is performed to correct small movements of the zero of the scale To perform the reset function it is necessary to switch the display to gross weight Press u key for 3 seconds to zeroing gross weight The gross weight reset command does not run under the following conditions Unstable weight...

Страница 14: ...ished in the set up procedure of the logic I O see relevant paragraph To access the set point set up press t key for 3 seconds Then press u to set the value of set point 1 thruogh s and tkeys Conferm the value with u key Press t key to set the set point 2 Press s key to go back to weight display During the setting of set point both outputs are disabled If the set point value in memory is 0 the cor...

Страница 15: ...s to select the menu to edit Press the u key to enter the selected menu KEY PROGRAMMING FUNCTION DURING THE MAIN MENU s Exits the programming menu or returns to the higher level u Access the relevant menu or programming or confirm the selected parameter t Skip to the next menu KEY FUNCTION DURING PARAMETERS PROGRAMMING s Increases the blinking digit select the higher value u Select the next digit ...

Страница 16: ...s p d J A u t O F r a N E h I S t 1 r A n G E s 1 G n L O t r a C A d d r N O d E 2 O f f s t O b a n d N o d E h I s t 2 t E s t d E L t a d E L a y t s t 1 n t s O v t Normal View C o n F G U s e d t o P e r f o r m C a l i b r a t i o n C o N 2 b a u d 2 F r N 2 O n l y f o r D A T 1 0 0 A O n l y f o r D A T 1 0 0 R S 4 8 5 Page 14 FLOW CHART MENU ...

Страница 17: ...ated Values from 1 to 99999 Unit the same of that displayed Default 10000 SEnst LOAD CELLS SENSITIVITY Set the value corresponding to the average of the load cells sensitivity in mV V The instrument accepts values between 0 5 and 4 mV V If no value is entered the unit assumes it is 2 mV V Following the change of the sensitivity value the datasheet tare of the weight is recalculated Values from 0 5...

Страница 18: ...ty including the fixed tare and the weight is stable The zero of the system is done by pres sing the t key The display shows 2 Ok confirming the operation The weight displayed resets and the display shows CAL alternated by 0 It is possible to repeat this operation more times CALIBRATION OF FULL SCALE Prior F S calibration load the sample weight on the system and wait for the stabilization the disp...

Страница 19: ...3 33 Hz 5 Hz 4 16 Hz 2 5 Hz 5 12 Hz 1 5 Hz 6 10 Hz 1 Hz 7 8 Hz 0 7 Hz 8 6 Hz 0 4 Hz 9 4 Hz 0 2 Hz Default 5 stab 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 0 Always stable weight 1 Stability ...

Страница 20: ...ght 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 Oband ZERO BAND This parameter defines the number of divisions resettable by pressing the zero front button Values from 0 to 200 Default 100 dELta WEIGHT DELTA It defines the minimum number of divisions neede...

Страница 21: ...s accepted if the weight is stable Between two consecutive transmissions the weight must have a variation of at least the parameter Weight delta Auto It s automatically transferred to a string of weight when the weight stabilizes at a value higher than the minimum weight 20 divi sions Between two consecutive transmissions the weight must have a variation of at least the value set in the parameter ...

Страница 22: ...e Nvalid Selectable Values N 8 1 N 8 2 E 8 1 O 8 1 E 7 1 0 7 1 Default N 8 1 addr COM1 COM2 SERIAL COMMUNICATION ADDRESS Configuration of the address used in the transmission protocols and in the MODBUS protocol Value from 000 to 99 Default 01 NodE TRANSMITTED DATA WEIGHT COM1 COM2 Selecting the value transmitted with continuous automatic and ma nual protocols see relevant paragraph Selectable Val...

Страница 23: ...table Between two consecutive transmissions the weight must have a variation of at least the value set in the parameter Delta Weight Auto Automatic transmissio of a weight string when the weight stabilizes at a value higher than the minimum weight 20 divisions Between two consecutive transmissions the weight must have a variation of at least the value set in the parameter Delta Weight Slav ASCII p...

Страница 24: ...M2 serial port data format The value must be set to the same value of the PC PLC or remote display In the case of MODBUS or SLAVE protocol selections of the 7 bit data formats E 7 1 and O 7 1 are not accepted error message Nvalid Selectable Values N 8 1 N 8 2 E 8 1 O 8 1 E 7 1 0 7 1 Default N 8 1 ...

Страница 25: ...egative weight Default POS NORML Output 1 is active with unstable weight STABL The output is active with stable weight Default Norml hyst1 HYSTERESIS OF THE SET POINT 1 Hysteresis value compared to the SET POINT value Values from 000 to 999 Default 2 NodE2 SET POINT 2 OPERATION MODE Select 4 operation criterias of the SET POINT 2 in sequence NET The relay output is active in Net Weight mode GROSS ...

Страница 26: ...heck 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 tsout LOGIC OUTPUTS TEST PROCEDURE The display shows the Outputs status 0 Output disabled 1 Output activated The Output 1 corresponds to the 1st value on the bottom s button to enable disable the output 2 t button to enable disable the outp...

Страница 27: ...ROSS PEAK Default GROSS ranGE ANALOG OUTPUT RANGE Select the analog output range Selectable Values 0 20mA 4 20mA 0 10Vdc 0 5Vdc Default 0 10Vdc offst OFFSET CALIBRATION ADJUSTING Measure the analog output value with a multimeter to perform the calibration of zero 0 and full scale FS Use the s and t to adjust the analog output Press and hold down the key for a rapid change Press the u key to swithc...

Страница 28: ... on the selection of the transmitted data MODE parameter in the setting menu of the serial communication ports see relevant paragraph Under conditions of overload the weight field assumes the value Under conditions of underload negative weight greater than 99999 the weight field assumes the value _ _ _ _ _ _ _ _ In reading error conditions the weight field assumes the value O L csum checksum of th...

Страница 29: ...a process of communication The process of communication must be made by the transmission of a string by the MASTER followed by a reply from the SLAVE concerned CONTROLS FORMAT DESCRIPTION The double quotes enclose constant characters observe upper and lower case the and symbols contain variable numeric fields REQUEST OF THE CURRENT GROSS WEIGHT Master Addr L EOT DAT 100 Addr L status gross ETX chk...

Страница 30: ...symbols contain variable numeric fields STX start of text 0x02h ETX end of text 0x03h EOT end of transmission 0x04h ACK acknoledgment 0x06h NAK No acknoledgment 0x15h Addr Serial communication address 0x80h i e address 2 Addr 0x82h 130 decimal number status character encoded as per the following table bit 1 if condition TRUE Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 0 1 1 Tare entered Zero...

Страница 31: ...ut 1 Output 1 csum checksum of the string data It is calculated performing the exclusive OR XOR of all cha racters from STX or from ind to ETX excluded the latter the result of the XOR is decomposed into 2 characters considering separately the upper 4 bits first character and lower 4 bits second cha racter the 2 characters obtained are then ASCII encoded example XOR 5Dh csum 5Dh namely 35h and 44h...

Страница 32: ...ce is implicit The values of the registers with address greater than 40100 are permanently stored in memory only after the data save command see Command Register table If this function is not performed by turning off the instrument it will return to the value before the change If not otherwise specified the numerical values such as addresses codes and data are expressed as decimal values COMMUNICA...

Страница 33: ...Capacity of the load cells LSB R W 41003 Sensitivity of the load cells R W 41004 Weight division value R W See relevant table 41101 Weight filter factor R W 41102 Weight stability factor R W 41103 Auto zero SET POINT R W FLOAT value 41104 Auto zero SET POINT R W FLOAT value 41105 Zero tracking factor R W 41106 Zero band R W 41107 Weight Delta R W 41201 Operation mode of the thersold 1 R W See rele...

Страница 34: ...FUNCTION 0x0001 Semiautomatic zero 0x0002 Self calibration 0x0003 Peak reset 0x0010 Calibration of the weight zero 0x0011 Calibration of the full weight scale FLOAT sample weight 0x0020 Saving the data in the permanent memory Address Data stored in memory with command 0x0020 41001 41002 Load cells capacity 41003 Load cells sensitivity 41004 Weight division value 41101 Weight filter factor 41102 We...

Страница 35: ...g full scale the output takes a positive saturation value of about 10 7 V for the voltage output and 21 2 mA for current output When the weight is negative or in an error condition the output takes a negative saturation value of about 10 5 V for the voltage output and 0 2 mA for current output ...

Страница 36: ...ect 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 aut...

Страница 37: ...ed as indicated in the installation manual and use is in conformity with the relevant Union harmonisation legislation Directive EMC 2014 30 EU Electromagnetic Compatibility The following harmonized standards and technical specification have been applied EN 61000 6 2 2005 EN 61000 6 3 2007 A1 2011 Directive LVD 2014 35 EU Low Voltage Directive The following harmonized standards and technical specif...

Страница 38: ...PAVONE SISTEMI S R L Via Tiberio Bianchi 11 13 15 20863 Concorezzo MB T 039 9162656 F 039 9162675 W en pavonesistemi it Industrial Electronic Weighing Systems since 1963 ...

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