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CANbus Interface

The bus voltages are expected to be in the range from 0.5 to 4.5V (Common mode);
Withstand voltage: 0..+26V referred to CAN-GND.

CANOpen Vendor-ID

24 23

department

company

ME-Meßsysteme GmbH, Neuendorfstr. 18a, D-16761 Hennigsdorf Germany

Phone 03302 78620 60, Fax 03302 78620 69,

[email protected]

www.me-systeme.de/en

Содержание GSV-2AS

Страница 1: ...Strain Gage Bridge Amplifier GSV 2 User s Manual GSV 2LS GSV 2AS GSV 2FSD GSV 2CAN GSV 2TSD DI Update 15 03 2016...

Страница 2: ...g value display scaling factor 16 Using and managing of the user data record assigned text 16 1 Basic procedure 17 2 Assignment and cancellation of info text assignment 18 RS 232 422 Protocol of the G...

Страница 3: ...the GSV 2TSD 67 Front panel cut out and housing of the GSV 2FSD 67 ME Me systeme GmbH Neuendorfstr 18a D 16761 Hennigsdorf Germany Phone 03302 78620 60 Fax 03302 78620 69 info me systeme de www me sy...

Страница 4: ...5 V option 4 20mA 10 GNDA Ground analogue In Output Analogue input between UE and GNDA Analogue output between UA and GNDA 11 SW1 Threshold output No 1 Open Collector Open Emitter alternatively galvan...

Страница 5: ...n a CAN_H n c CAN high Backplate of the table case GSV 2TSD DI Figure 2 Backplate GSV 2TSD DI M8 plug connector for GSV 2TSD DI CANopen In the version with CANopen Interface there are two additional...

Страница 6: ...D The signals at terminals 2 7 are acquired by software Connection of sensors in 4 or 6 wire technology Bridging between Us and UF as well as between US and UF are not necessary 8 UD2 Negative differe...

Страница 7: ...re technology 12 UF Negative sens for 6 wire technology 14 HB Completion for halfbridge 11 QB120 Completion quarterbridge 120 Ohms 3 QB350 Completion quarterbridge 350 Ohms 4 QB1000 Completion quarter...

Страница 8: ...e check whether housing supply ground the ground of your data acquisition system and your port are at the same potential Connection and start up Connecting the sensor A strain gage full bridge or a lo...

Страница 9: ...ystem is then ready for measurements 1 At the analog output the benefits of the 6 conductor technology are not supported Connecting the serial interface If an RS 232 or RS422 port is used the followin...

Страница 10: ...socket M8 Connector plug and socket are 1 1 connected Pin Funktion GSV 3CAN Wire colour 1 Transmit Data TxD CAN_H 13 brown 3 Receive Date RxD CAN_L 12 blue 4 GND 11 black Jumper for terminating resis...

Страница 11: ...V then supplies 100 of the output signal at half the nominal load Null balance calibration The amplifier s calibration range is 120 of the measurement range which means that unsymmetric measuring brid...

Страница 12: ...e used as OpenEmitter outputs The logic is inverted compared to configuration with an OpenCollector output The switching thresholds are calibrated via the serial interface The switching outputs can be...

Страница 13: ...single strain gauges 1 in longitudinal and 1 in lateral direction Menu entry level 4 Set Poissons ratio only if PRfull or PR half bridge was selected in level 3 Number value from 0 to 0 5 Load settin...

Страница 14: ...CAN Node ID CAN Baudrate CAN on off By pressing the Menu key the upper menu level will be re entered By pressing the OK key an input will be confirmed or the next menu level will be entered If any se...

Страница 15: ...The number above the cursor is blinking and can be increased or reduced with UP DOWN buttons In order for the setting to take effect the OK button must be kept pressing until the whole number flashes...

Страница 16: ...lowed by the Mbyte until the least significant byte so that 24 Bits are transmitted In the unipolar mode the measuring value zero is equal the data value zero 0x000000 In the bipolar mode the measurin...

Страница 17: ...xample normal load of the load cell 100kg rated output of the load cell 2 mV V Input sensitivity of the strain gage amplifier 2 mV V scaling factor 100 Output of the register data After requesting the...

Страница 18: ...r 0 0 21 15 set unipolar 0 0 22 16 Read frequency 0 3 23 17 Manufacturer setting 24 18 Manufacturer setting 25 19 Manufacturer setting 26 1A get norm 0 3 27 1B get unit 0 1 28 1C get dpoint 0 1 29 1D...

Страница 19: ...e 0 2 138 8A Write Sampling Rate 3 0 139 8B Read Sampling Rate 0 3 140 8C Set CAN setting 3 0 141 8D Get CAN setting 1 2 142 8E reserved 143 8F reserved 144 90 Set Analogue Filter 2 0 145 91 Get Analo...

Страница 20: ...0 161 A1 GetAdaptFilterOptimize 0 2 162 A2 Read Ranges7 1 4 163 A3 reserved 164 A4 Get Sensor Capacity8 0 4 165 A5 Set Sensor Capacity 10 4 0 166 A6 Get Rated Output 10 0 4 167 A7 Set Rated Output 10...

Страница 21: ...your PC and you can restore it with write scale Possible error codes 0xA0 0x91 Read zero Command number 2 number of parameters 0 Bytes sent by the GSV 3 Read zero determines the content of the zero r...

Страница 22: ...er of parameters 3 Bytes sent by the GSV 0 Write zero sets the zero adjustment of the AD converter The 3 bytes sent should contain a value which was recently determined with read zero Affected registe...

Страница 23: ...scale threshold Value Range 0x00 0x07 possible error codes 0xA1 0x54 0x80 0x71 Save all Command number 10 Number of parameters 1 Bytes sent by the GSV 0 Save all saves all relevant registers of the GS...

Страница 24: ...ave a look at set mode is active the latest maximum value is transmitted once Affected register Zero Possible error codes 0xA0 Set scale Command number 13 Number of parameters 0 Number of parameters 0...

Страница 25: ...ister Offset Possible error codes 0xA0 0x83 Set unit Command number 15 Number of parameters 1 Bytes sent by the GSV 0 Set unit sets the desired unit shown on the LC display and the ASCII measuring val...

Страница 26: ...thod is multiplied by 5250020 and then rounded to the next integer value This value will be transmitted to the GSV in the order High byte MSB Mid byte Low byte LSB Value Range 0x10 05 94 0x7F 26 E8 Po...

Страница 27: ...Frequency With the GSV 21 new version SerNo 06xxxxxx the data rate cannot be set continuously Instead a combination of the ADC conversion rate and an internal averaging factor will be selected by the...

Страница 28: ...0 4375 mV V 6 16 0 0625 mV V 0 125 mV V 0 21875 mV V Attention After a change of the amplification a calibration with set cal and set zero is necessary Affected register Gain Value Range 0x00 0x06 Pos...

Страница 29: ...ed in set norm without the related decimal point setting Possible error codes 0xA0 0x91 Get unit Command number 27 Number of parameters 0 Bytes sent by the GSV 1 Get unit determines the unit register...

Страница 30: ...eshold always needs to be bigger than the turn off threshold You can change the threshold functionality between hysteresis switch and window comparator In the latter case the values are to be interpre...

Страница 31: ...rating parameters this mode remains as it is even after turning the amplifier off Before you change particular bits of the mode register you should to read it with get mode change the bits as desired...

Страница 32: ...0 Bytes sent by the GSV 1 Get equipment reads informations about the hardware configuration of the GSV Description of the equipment variable MSB Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 LSB x x AnaFilt x...

Страница 33: ...Command number 46 Number of parameters 1 Bytes sent by the GSV 0 Set poisson sets the poissons ratio The poisson is important when calculating strain gage bridge types with one or two measuring grids...

Страница 34: ...le values 0x14 and 0x23 Possible error codes 0xA0 0x50 0x56 0x71 Get range Command number 51 Number of parameters 0 Bytes sent by the GSV 1 Get range reads the input sensitivity of the analog input st...

Страница 35: ...e logger mode is active see set mode The data format of the value returned by the GSV correspondents to the data format of the permanent transmission binary or ASCII as described in the chapter Data f...

Страница 36: ...ror codes are actually defined Default no command given or error code cleared 0x00 No Error OK no additional parameter changes made 0xA0 No Error OK but additional parameter changes made 0xA1 From her...

Страница 37: ...shold set the threshold of the amplifiers second threshold switch terminal No 13 The first two parameter bytes are the switch on threshold the next two bytes are the switch off threshold both with the...

Страница 38: ...smitter MSB Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 LSB Is H sh x x x Is 5 Byte x x x Is 5 Byte 1 if the binary transmission protocol is aktive see Set Mode the measuring value frame consists of 5 bytes I...

Страница 39: ...s only when jumper JP2 is removed Possible error codes 0xA0 0x54 0x58 0x73 0x71 GetBaud Command number 131 Number of parameters 0 Bytes sent by the GSV 1 With GetBaud you can read the baud register as...

Страница 40: ...138 139 FIR Filter 1 Turns on FIR Filter a digital low pass filter which takes place after the firmware internal decimating average filter Its cut off frequency depends on the measuring data rate Sel...

Страница 41: ...Register Parameter 1 Bits 6 und 7 must be 1 Examples 0xC1 means that the decimating average filter is disabled 0xCB means that the averaging filter decimates over 11 values Parameter 2 and 3 the comp...

Страница 42: ...CANon HasCAN 1 CANon 1 CAN Interface enabled The CAN Interface can be switched on and off with this When switched on CANon before 0 the CAN Interface is bootet which is signalled to the CANbus by put...

Страница 43: ...en Die Wahl der Einstellungsparameter erfolgt hierbei ber ein Index Byte welches als Parameter bergeben wird Der GSV antwortet stets mit 2 Datenbytes mit der Reihenfolge HiByte LoByte auch im Fehlerfa...

Страница 44: ...lter delivers twice the amount of the cut off frequency of the analogue prefilter Possible return values in standard version are 0x00 07 limitfrequency 3 5 Hz 0x02 08 limitfrequency 260 Hz 0x0D 48 lim...

Страница 45: ...iecially with commands 128d for example To examine whether the automatic zero tracking is existent give command 147 with the parameters 151d 150d These correspond to the command numbers for Get SetAut...

Страница 46: ...below this threshold The mesuring values are only counted if the threshold switch 1 SW1 is off By using this function an eventual drift of the measuring value e g because of temperature drift of the s...

Страница 47: ...sequence transmitted to the GSV Form 0x BefehlsNo Adresse Data 0x98 05 00 0x98 04 30 0x98 03 74 0x98 02 78 0x98 01 54 0x98 00 20 To switch off the displaying of that text so that the measuring value a...

Страница 48: ...ilterMask Command number 159 Number of parameters 0 Bytes sent by the GSV 3 With GetAdaptFilterMask the compare mask of the adaptive averaging filter can be set see SetAdaptFilterMask and SetAdaptFilt...

Страница 49: ...while the noise signal is strong but the wanted signal doesn t change significantly A special functionality of SetAdaptFilterOptimize can be triggered with parameter 0x0000 Then the comparison mask wi...

Страница 50: ...the currently configured input sensitivity should be read bits 3 0 0 or which of 3 existing input sensitivities levels These may deviate from standard variant 1 2 3 5 mV V depending on the option of...

Страница 51: ...this example 2 500 000 10 6 2 5 The characteristic value is then 2 5 10 3 2500 possible error code 0xA0 0x91 Set Sensor Capacity Command number 165 Number of parameters 4 Bytes sent by the GSV 0 With...

Страница 52: ...10 whereby the first byte indicates exponent 1 and the bytes 2 to 4 the mantissa in High endian order The returned mantissa is the 1000000 time the mantissa in point presentation The transferred expon...

Страница 53: ...f answer Address range of sensor text s Cmd 56 57 Hex Address range of sensor text s Cmd 56 57 Dec Bit Nr Second byte of answer Bit 1 text available 1 0x300 0x30D 768 781 Bit 0 2 0x310 0x31D 784 797 B...

Страница 54: ...can be scaled to customize it to the application requirements By writing to 6126h the Analog_Input_Decimal_Digits may get altered in the background so after writing to 6126h the object 6132h should be...

Страница 55: ...ual documents on http www me systeme de software html The command number is transmitted as a single byte to the measuring amplifier The command parameters and the return parameters are binary bytes an...

Страница 56: ...guration program GSV EXE and restore them with the command GetAll In the text format there s always one blank character 0x20 between the numerical value and the CR LF even if the unit was turned off b...

Страница 57: ...o the measured value Analog output Display digital 0 1 typ 0 05 0 01 typ 0 005 0 1 typ 0 05 0 01 typ 0 005 Output filter Analog output 3dB cutoff frequency analog Bessel 2nd order Output filter digita...

Страница 58: ...the final value scaling function Programmable zero adjustment Nominal temperature range Storage temperature range 10 65 40 85 0 503 20 70 C C Dimensions L x W x H Print board GSV 2LS Housing GSV 2AS A...

Страница 59: ...5 to 4 5V Common mode Withstand voltage 0 26V referred to CAN GND CANOpen Vendor ID 31 24 23 0 department company 00 00 02 70 ME Me systeme GmbH Neuendorfstr 18a D 16761 Hennigsdorf Germany Phone 0330...

Страница 60: ...onnected to GND The lower the data rate is the better is the resolution Comparable results can be obtained in practice also with cable lengths of 50 meters if the control and the sensor cables are ins...

Страница 61: ...k to peak deviation The effective resolution at a data rate of 10 s is at least 150 000 counts measuring range standard deviation With the adaptive averaging filter these values increase to better res...

Страница 62: ...n mode is enabled Baudrate is fixed to 38400 Bits s Not set Configuration mode is disabled the baudrate of the baudrate register is valid see Set Get Baud JP3 Change the serial interface from RS232 V2...

Страница 63: ...Dimensions of the aluminium housing of the GSV 2AS ME Me systeme GmbH Neuendorfstr 18a D 16761 Hennigsdorf Germany Phone 03302 78620 60 Fax 03302 78620 69 info me systeme de www me systeme de en 63...

Страница 64: ...the GSV 2FSD Dimensions of the GSV 2TSD DI L x B x H 200 x 175 x 75 mm ME Me systeme GmbH Neuendorfstr 18a D 16761 Hennigsdorf 64 Phone 03302 78620 60 Fax 03302 78620 69 info me systeme de www me sys...

Страница 65: ......

Страница 66: ...ange without notice Every information describes the product in general They are no assurance of features in the sense of 459 Abs 2 BGB German civil code and assume no liability Made in Germany Copyrig...

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