Addi-Data APCI-3701 Technical Description Download | Manualshive

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Technical data

APCI-3701

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Component scheme

Fig. 4-2: Component scheme

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Summary of Contents for APCI-3701

Page 1: ...____________________________________________ ADDI DATA GmbH Dieselstr 3 D 77833 Ottersweier Phone 49 0 72 23 94 93 0 Fax 49 0 72 23 94 93 92 E Mail info addi data com Internet www addi data com Important information 1 Software update SET3701 2 Diagnostic function 3 Change position of Pin 1 4 New cable FB3702 ...

Page 2: ...s a new APCI 3701 1 Software update SET3701 WICHTIG i Because of the migration to RoHS compliant ADDI DATA products the board APCI 3701 has been revised Thus it is necessary to update the software Please observe that you must use the calibration and update tool SET3701 from version 3030 1006 for the new board Please find the current version of SET3701 on the delivered CD If you replace an old boar...

Page 3: ...ew APCI 3701 after the change to RoHS compliant APCI 3701 before the change to RoHS compliant 4 New cable FB3702 The ribbon cable FB3702 replaces the cable FB3701 Connection new cable FB3702 Connection FB3701 Should you still have a FB3701 cable and want to use it please do observe also the new position of Pin 1 and that the red cable line must be connected to Pin 1 right side below Therefore you ...

Page 4: ...O 9001 2000 certified Edition 03 05 11 2006 ADDI DATA GmbH Dieselstraße 3 D 77833 OTTERSWEIER Technical support 49 0 7223 9493 0 Technical description APCI 3701 Length measurement board optically isolated 16 bit ...

Page 5: ...only is protected by copyright Duplication of the information contained in the operating instructions and of any other product information or disclosure of this information for use by third parties is not permitted unless this right has been granted by the product licence issued Non compliance with this could lead to civil and criminal proceedings ADDI DATA software product licence Please read thi...

Page 6: ...recautions yellow leaflet If this leaflet is not with the documentation please contact us and ask for it Observe the instructions of the manual Make sure that you do not forget or skip any step We are not liable for damages resulting from a wrong use of the board Used symbols i IMPORTANT designates hints and other useful information WARNING It designates a possibly dangerous situation If the instr...

Page 7: ...alog inputs 15 4 4 3 Digital outputs 15 4 4 4 Digital inputs 15 4 5 Technical data of the accessories 16 4 5 1 Connection boxes and cables of the standard versions 16 Connection box 16 Cable specifications 16 4 6 Supported transducers 17 4 7 Component scheme 18 5 INSTALLATION OF THE BOARD 19 5 1 Opening the PC 19 5 2 Selecting a free slot 19 5 3 Closing the PC 21 6 ACCESSORIES 22 6 1 Cables 22 6 1...

Page 8: ...ducers Series opposed 35 8 2 3 Connection of Mahr transducers 36 8 3 Connection of the digital inputs and outputs 37 8 4 Connection to screw terminal panels boxes 38 9 FUNCTIONS OF THE BOARD 39 9 1 Block diagram 39 9 2 Acquisition principle 39 9 2 1 Board calibration 40 9 2 2 Board settings 40 9 3 Primary circuit 41 9 3 1 Sinus generator 41 Synchronising 41 9 3 2 Power buffer 41 9 4 Secondary circ...

Page 9: ...r transducer database 55 11 4 4 New transducer type definition 55 11 5 Board database 58 11 5 1 Board database menu 59 11 5 2 Copy a new transducer type into the board database 59 11 5 3 Copy a transducer type via the command 59 11 5 4 Copy a transducer type through drag drop 60 11 5 5 Save the board database 61 11 6 Transducer calibration 61 11 6 1 Transducer calibration menu 63 11 6 2 Calibratio...

Page 10: ...g 9 2 Acquisition principle of the APCI 3701 39 Fig 9 3 Half bridge transducer 43 Fig 9 4 LVDT transducer Series opposed 44 Fig 9 5 Possible acquisitions Single start enable 46 Fig 9 6 Possible acquisitions single software hardware trigger 46 Fig 9 7 Possible acquisitions sequence start enable 46 Fig 9 8 Possible acquisitions m n sequences with hardware software trigger 46 Fig 11 1 Window Transduc...

Page 11: ...a sinus generator and has up to 16 analog inputs for connecting up to 16 inductive displacement transducers exclusively The PX371 screw terminal panel allows the connection of the analog signals with the ST370 shielded cable The use of the board APCI 3701 in combination with external screw terminal panels is to occur in a closed switch cabinet The installation is to be effected competently Check t...

Page 12: ...Increased noise emission or decreased noise immunity could result in the system not being conform anymore The installation of the board APCI 3701 in sites lying under risk of explosion is excluded 1 3 Usage restrictions The APCI 3701 board must not to be used as safety related part for securing emergency stop functions The APCI 3701 board must not be used in potentially explosive atmospheres Make ...

Page 13: ...ned in electronics are entitled to perform the following works installation use maintenance 2 2 Personal protection Consider the country specific regulations about the prevention of accidents electrical and mechanical installations radio interference suppression ...

Page 14: ...APCI 3701 Handling of the board 11 3 HANDLING OF THE BOARD Fig 3 1 Correct handling ...

Page 15: ...f the board The board is assembled on a 4 layer printed circuit card Dimensions 138 mm 107 mm Weight approx 160 g Installation in 32 64 bit PCI slot 5 V or 3 3 V Connection to the peripheral 50 pin SUB D male connector Accessories1 for the standard version APCI 3701 Cables Standard cable ST3701 2 m max length 10 m Ribbon cable FB3702 connection of the dig I O Connection boxes Screw terminal panel ...

Page 16: ...dard version Max altitude 2000 m Operating temperature 0 to 60 C Storage temperature 25 to 70 C Relative humidity 30 to 99 non condensing Minimum PC requirements PCI BIOS from Version 1 0 Bus speed 33 MHz Operating system Windows NT 98 2000 XP Slot PCI 5 V or PCI 3 3 V 32 bit 1 slot opening for connecting the digital I O Fig 4 1 Required slots1 PCI bus interface Bus speed 33 MHz Data access 32 bit...

Page 17: ...efore removing the board from the PC wait until it sufficiently cooled down 4 4 1 Sinus generator Output signal sinus Possible frequency values Table 4 1 Available frequency values for the sinus generator 1 993 kHz 9 765 kHz 3 005 kHz 10 851 kHz 3 986 kHz 12 207 kHz 4 883 kHz 13 021 kHz 6 104 kHz 13 951 kHz 6 975 kHz 16 276 kHz 8 138 kHz 19 531 kHz Edge frequency of the high pass filter 3 dB 230 H...

Page 18: ...0 09 dB to 0 dB Stop band 64 1 kHz min Stop band attenuation 48 4 dB min High pass filter Edge frequency 3dB 3 7 Hz typ Edge frequency 0 1 dB 24 2 Hz typ Pass band ripple 0 09 dB max 4 4 3 Digital outputs Number 8 Output type Open Collector Nominal voltage 24 V Output range 5 30 V Switching current 50 mA Optical isolation 1000 V 4 4 4 Digital inputs Number 8 Input type 24 V Nominal voltage 24 V In...

Page 19: ...connections can be labelled Protection protecting cap for flange socket dustproof IP54 Transducer connection 8 or 16 x 5 pin flange socket DIN 45322 See Connection of inductive transducers Connector 50 pin SUB D female connector for connecting the cable ST3701 Dimensions L x W x H PX 3701 8 80 x 57 x 120 mm PX 3701 16 80 x 57 x 250 mm Fastening through 2 mounting points within the enclosure bottom...

Page 20: ...0 5 100 10 10 System 256 AX 0 5 S System 256 AX 0 5 S 1 100 10 10 System 256 AX 1 0 S System 256 AX 1 0 S 2 5 100 10 10 System 256 AX 2 5 S System 256 AX 2 5 S 5 100 10 10 System 256 AX 5 0 S System 256 AX 5 0 S Solartron LVDT 10 100 10 10 System 256 AX 10 S System 256 AX 10 S 2 73 75 13 2 GT21 5 29 5 13 2 GT61 GT21 TESA HB 0 2 73 75 13 2 GT21HP GT21HP 0 5 230 7 5 1000 F05 On request 1 230 7 5 100...

Page 21: ...Technical data APCI 3701 18 4 7 Component scheme Fig 4 2 Component scheme ...

Page 22: ...the PC mains plug from the socket Open your PC as described in the manual of the PC manufacturer 5 2 Selecting a free slot Insert the board in a free PCI 5V or PCI 3 3 V slot 32 64 bit Fig 5 1 PCI slot types Remove the back cover of the selected slot according to the instructions of the PC manufacturer Keep the back cover You will need it if you remove the board Discharge yourself from electrostat...

Page 23: ...Installation of the board APCI 3701 20 Take the board out of its protective pack Plugging the board into the slot into the chosen slot Fig 5 2 Inserting the board ...

Page 24: ...the board to the rear of the PC housing with the screw which was fixed on the back cover Fig 5 3 Fastening the board at the back cover Tighten all the loosen screws 5 3 Closing the PC Close your PC as described in the manual of the PC manufacturer ...

Page 25: ...specting versions of the APCI 3701 On the next page you will find a overview of the cables including the combination possibilities with the connection boxes and the different versions of the board APCI 3701 In addition in the following sections you will find more detailed information about the single cable types as well as recommendations for the combination of cable with board transducer type and...

Page 26: ...Fehler Verweisquelle konnte nicht gefunden werden Round cable Twisted pairs 50 pin female connector on 50 pin male connector 1 c h a n n e l c a b l e ST3701 1 HB 2 m ST3701 1 LVDT 2 m ST 3701 16 KS 2 m ST 3701 16 KS_5 5 m ST 3701 16 KS_10 10 m 1 channel cable chapter Fehler Verweisquelle konnte nicht gefunden werden 50 pin SUB D female connector with hood shielded on 5 pin binder Additional combi...

Page 27: ...very of the APCI 3701 1 always contains one of the both 1 channel connection cables whereas additionally both cable types can be ordered separately The both cables have the following characteristics in common Connectable directly to a APCI 3701 1 D SUB 50 pin female connector with hoods shielded on binder Length 2 m 5 pin female connector with screw cap They differ from each other only in the tran...

Page 28: ...p to 8 LVDT transducers Connection of up to 16 LVDT transducers 6 3 Connection examples Connection 1 channel version with a transducer For the connection of the APCI 3701 1 please use either the cable ST3701 1 HB or the cable ST3701 1 LVDT with round connector Connect this cable with the APCI 3701 and with the transducer You do not require any additional terminal panels Fig 6 1 Connection of a ST3...

Page 29: ... 98 The user can register all hardware information necessary to operate the ADDI DATA PC boards ADDIDRIVER contains API functions to operate the ADDI DATA boards in 32 bits ADDevice Manager configures the resources of the ADDI DATA virtual board See below ADDI DATA virtual board ADDI DATA software is based on the principle of a virtual board it transposes the different functions e g digital inputs...

Page 30: ... new board is recognised the following window is displayed Fig 7 1 New inserted board example The boards which have been removed from the PC since the last ADDIREG start are listed in the upper table The new inserted boards are listed in the lower table In case further information is required for the operation of the board click on More Information ADDevice Manager is started ...

Page 31: ...tween the resources Analog digital input output watchdog of the virtual board V software and the real board R board The following parameters are listed Module number Number of resources Index The first index line represents the number of the first resource left virtual resource right real board The second index line represents the number of the last resource left virtual resource right real board ...

Page 32: ...ards Once you have controlled the registration you can quit the window of ADDevice Manager The board is ready to operate 7 1 2 Changing the registration of a board You can change the current board configuration with ADDIREG Description of the ADDIREG program The program is automatically installed with ADDIPACK Start ADDIREG under Start Programme ADDIPACK ADDIREG i IMPORTANT First quit all the appl...

Page 33: ...ailable if the board uses no DMA or if the board is no ISA board More information Additional information like the identifier string or the installed COM interfaces It also displays whether the board is programmed with ADDIDRIVER Text boxes Base address name Description of the used base addresses for the board Select a name through the pull down menu The corresponding address range is displayed in ...

Page 34: ...r the virtual board Test registration Controls if there is a conflict between the board and other devices installed in the PC A message indicates the parameter which has generated the conflict If no conflict has occurred Test of device registration OK is displayed Deinstall registration Deinstalls the registrations of all boards listed in the table and deletes the entries of the boards in the Wind...

Page 35: ...ta de Free downloads of standard software You can download the latest version of the software for the board APCI 3701 http www addi data com i IMPORTANT Before using the board or in case of malfunction during operation check if there is an update of the product technical description driver The current version can be found on the internet or contact us directly ...

Page 36: ...nt APCI 3701 16 Signal Meaning OSC Red pins or OSC Blue pins phase shifted supply signal of the inductive transducers BACK green pins or BACK yellow pins Return lines of the supply voltage for measuring the amplitude It serves as true value signal of the oscillator for the supply voltage CHx white pins Transducer input and input number PWRGND black pins Ground ...

Page 37: ...Fig 8 2 Pin assignment APCI 3701 8 NC not connected 8 1 2 40 pin male connector ST3 Fig 8 3 Pin assignment 40 pin connector to 37 pin SUB D bracket i IMPORTANT Plug the FB3702 on the connector with the red cable lead on the side of the pin 1 ...

Page 38: ...onging connecting cable are available for connecting the inductive displacement transducers to the board The connection with the board is made via a 50 pin SUB D male connector 8 2 1 Connection of half bridge transducers Fig 8 4 Connection of half bridge transducers 8 2 2 Connection of LVDT transducers Series opposed Fig 8 5 Connection of LVDT transducers Series opposed ...

Page 39: ...the transducer and the flange socket of the connection box is necessary The Mahr transducers are also available with a Tesa compliant assignment Designation T e g P2004 T This version can be directly connected to the connection box i IMPORTANT Before ordering a Mahr transducer you have to consider the different types of the 5 pin assignment Table 8 1 Compliance of the Mahr transducers Transducer p...

Page 40: ...APCI 3701 Connecting the peripheral 37 8 3 Connection of the digital inputs and outputs Fig 8 6 Digital inputs Fig 8 7 Digital outputs ...

Page 41: ...crew terminal panels boxes Fig 8 8 Connection to screw terminal panels boxes i IMPORTANT Plug the FB3702 on the connector with the red cable lead on the side of the pin 1 The cable ST3701 is 2 m long in the standard delivery The max permissible length is 10 m ...

Page 42: ...ing the board operation Install the board in the PC so that cooling air can flow easily between the different inserted boards Before removing the board from the PC wait until it sufficiently cooled down 9 1 Block diagram Fig 9 1 Block diagram of the APCI 3701 9 2 Acquisition principle Fig 9 2 Acquisition principle of the APCI 3701 ...

Page 43: ...Hz stereo A D converter with AC specifications The sampling occurs synchronously with the exciting signal and at the extreme points to reach the best precision 9 2 1 Board calibration The board is programmed with the following predefined parameters gain adjustment on primary and secondary circuit Duty cycle is adjusted to 50 at the delivery 9 2 2 Board settings The board APCI 3701 is supplied with...

Page 44: ... Synchronising The sinus generator is synchronised with the master clock of the A D converter to allow the signal acquisition always at the extreme values minimum and maximum of the sinus signal 9 3 2 Power buffer The board is fitted with a power buffer which feeds in the connected sensors Its high performance allows supplying each of the 2 exciting lines OSC and OSC with a maximum value of 260 mA...

Page 45: ...defined on the board to balance the phase difference between the exciting signal of the primary circuit and the measuring signal of the secondary signal 9 4 2 A D converter The onboard converter is a 16 bit delta sigma stereo A D converter This enables to measure the measuring signal and the return line signal simultaneously The synchronising of the sinus signal with the master clock of the A D co...

Page 46: ...he primary coil This enables the secondary voltage to be supplied and to change according to the position of the magnetic core 9 5 1 Half bridge transducer The half bridge transducer features 2 inductive coils windings These are directly fed with 2 sinusoidal voltage signals a positive oscillator voltage and a negative oscillator voltage The measuring bolt moves along the 2 coils with a ferromagne...

Page 47: ...itive and a negative one whereas both secondary coils switched in phase opposition produce an electrical signal proportional to the measured displacement Fig 9 4 LVDT transducer Series opposed 9 5 3 Settings of the transducer A transducer features different properties which are important for configuring the board the nominal frequency F in Hz the nominal voltage V in Vrms the sensitivity S in mV V...

Page 48: ...mes A new trigger starts the conversion for m sequences again and so on till the n sequences have been acquired n k m See Fig 9 8 The board can acquire sequences in continuous mode Each of this acquisition possibility programmable by software is started through start enable by software trigger Single software sequence or by hardware trigger through the digital input 0 Delay A delay time can be set...

Page 49: ...ig 9 5 Possible acquisitions Single start enable Fig 9 6 Possible acquisitions single software hardware trigger Fig 9 7 Possible acquisitions sequence start enable Fig 9 8 Possible acquisitions m n sequences with hardware software trigger ...

Page 50: ...ber of the channel which caused a short circuit is returned by software 9 7 2 Line break In case of a line break on the primary circuit a software function controls if at least one of the n connected transducers is not correctly connected The user is to make sure that all transducers are correctly connected On the secondary circuit the number of the channel which has a line break is returned by so...

Page 51: ...orMessage b_ADDIDATA_DisableErrorMessage b_ADDIDATA_FormatErrorMessage b_ADDIDATA_GetNumberOfTransducerChannels b_ADDIDATA_GetNumberOfTransducerModules b_ADDIDATA_GetNumberOfTransducerChannelsForTheModule b_ADDIDATA_GetTransducerChannelModuleNumber b_ADDIDATA_GetTransducerModuleGeneralInformation b_ADDIDATA_GetTransducerModuleSingleAcquisitionInformation Transducer b_ADDIDATA_GetTransducerModuleAu...

Page 52: ...ducerSoftwareTrigger b_ADDIDATA_TransducerSoftwareTrigger b_ADDIDATA_GetTransducerSoftwareTriggerStatus b_ADDIDATA_TestTransducerChannelSecondaryConnection b_ADDIDATA_EnableDisableTransducerModulePrimaryConnectionTest b_ADDIDATA_TestTransducerModulePrimaryConnection b_ADDIDATA_EnableDisableTransducerModulePrimaryShortCircuitInterrupt b_ADDIDATA_RearmTransducerModulePrimaryShortCircuitConnectionTes...

Page 53: ...alOutputs b_ADDIDATA_GetDigitalOutputInformation Digital b_ADDIDATA_SetDigitalOutputMemoryOn outputs b_ADDIDATA_SetDigitalOutputMemoryOff b_ADDIDATA_Set1DigitalOutputOn b_ADDIDATA_Set1DigitalOutputOff b_ADDIDATA_Set2DigitalOutputsOn b_ADDIDATA_Set2DigitalOutputsOff b_ADDIDATA_Set4DigitalOutputOn b_ADDIDATA_Set4DigitalOutputOff b_ADDIDATA_Set8DigitalOutputsOn b_ADDIDATA_Set8DigitalOutputsOff b_ADDI...

Page 54: ...pt SAMPLE05 Test sequence acquisition with interrupt Digital SAMPLE01 Read 1 digital input inputs SAMPLE02 Read 2 digital inputs SAMPLE03 Read 4 digital inputs Digital SAMPLE01 Test 1 digital output with without output memory outputs SAMPLE02 Test 2 digital outputs with without output memory SAMPLE03 Test 4 digital outputs with without output memory Timer SAMPLE01 Initialise 1 timer in mode 2 with...

Page 55: ...CD APCI 3701 SET3701 DISK1 start Set3701 via Start Program Set3710 Set3701 After the introduction screen opened the main window will open On the upper left of the window you can see two icons Double click on one of the two icons so that the corresponding menu opens The icons have the following meaning The first icon represents the board and is used for selecting the board The second icon represent...

Page 56: ...boards in you PC Double click on the board icon An animated menu opens Double click on the required board to select it 11 4 Transducer database Double click on the main menu icon for activating the menu Transducer database The animated menu opens Number of channels Windows device number Board bus number Board base address Board interrupt Board serial number Revisionsnummer der Firmware Selected bo...

Page 57: ...sducer database Each database contains the following transducer information Transducer name Transducer type LVDT oder HB Sensitivity mV v mm Veff Vrms Frequency Hz Range mm Load impedance Each of these characteristics is given by the transducer manufacturer Select a transducer Then the characteristics will be shown in the lower field The databases do not indicate the transducers that are loaded on...

Page 58: ...nsducer database By the first installation the database is empty If you have not found a compatible transducer in the list Addi Data GmbH transducers database you shall define a new transducer type The new types will be saved in database file The file name for the standard board APCI 3701 is User_SV DB and for the Knäbel version of the APCI 3701 User_KV DB These files can be found in the SET3701 i...

Page 59: ...acturer Except the field Name all blanks must be replaced by 0 Index is the index number of the transducer The number is the same number as the one passed in the function b_ADDIDATA_InitTransducerChannel of the ADDIPACK driver see parameter w_TransducerIndex The value of the Index can range between 200 and 255 Fig 11 3 Example Definition of a new type After having defined a new transducer type it ...

Page 60: ...ve database to save the new type Fig 11 5 Save a new type A new window appears The version above the User transducers database list indicates the last modification date the first 4 figures Month and year and the revision number last 4 figures You can change the database version This enables you for example to compare this version with the version of your final client Select Yes to change the ...

Page 61: ...t Double click on the icon Board database The animated menu disappears and the window Board database is activated Fig 11 6 Window Board database You can load max 14 transducer types on an APCI 3701 Transducers database listes all available transducers This list contains the Addi Data Gmbh transducer database ADDI DATA GmbH and the User Transducer types loaded on the board All available transducer ...

Page 62: ...opy type see chapter 11 5 3 or through drag drop see chapter 11 5 4 to the board 11 5 3 Copy a transducer type via the command Select the transducer type that you want to copy from the Transducer database and click on the command Copy type Then the selected transducer type will be copied to the Board database Copies the selected transducer type from the transducer database to the board database De...

Page 63: ...ave space for the other ones 11 5 4Copy a transducer type through drag drop Select the transducer type that you want to copy Press the right mouse key and drop the transducer type to the Board database Release the mouse button i IMPORTANT You can copy may 14 transducer types into the Board database Not used transducer types you can delete with the command Del typ2 to leave space for other transduc...

Page 64: ...ansducer types select Save database to load this list on the selected APCI 3701 11 6 Transducer calibration Double click on the main menu icon to activate the window Transducer calibration The animated window appears Double click on the icon Transducer calibration Now the window Transducer calibration is activated ...

Page 65: ... 0 to the maximum positive transducer position Per default the software selects the middle of this range Above Group 1 channel selection and Group 2 channel selection you can select the channels to which the transducers are connected If you have only 8 channels on the board Group 2 channel selection does not appear Selected transducer type to calibrate Selected transducer characteristics Calibrati...

Page 66: ...te the calibration position and the channels of group 1 and group 2 to which the transducers are connected click on Start calibration Each step in progress is indicated by a pointer and the text colour that changes to green Each step in waiting status is indicated blinking text colour that changes to red white The first calibration step is the board calibration Therefore no manipulation of the use...

Page 67: ...connected the PX 3701 to the APCI 3701 In this case stop the calibration with Break calibration connect the PX 3701 and start again with the calibration After this the mechanical 0 position is calibrated Click on OK Set the transducer to the mechanical position and click on Next The user selected calibration position is then calibrated ...

Page 68: ... tool 65 Click on OK Set the transducer to the mechanical selected calibration position and click on Next The calibration is completed if you have only 8 channels If you have 16 channels the same steps are started for the second channel group ...

Page 69: ...ucer calibration is activated Fig 11 9 Window Transducer calibration After having calibrated the board you can use the transducer monitoring to test the board function When the window first appears the last calibrated transducer type is selected automatically as default and all available channels are selected You can change the transducer type All transducer types that are loaded on the APCI 3701 ...

Page 70: ...he selection of all channels by one click The acquisition rate depends on the number of channels to be acquired For starting the monitoring click on Start You can stop the monitoring at any time with Stop After having started the monitoring you can open a trend graphics window for one channel To do this double click on the selected channel result Starts the monitoring Stops the monitoring Selects ...

Page 71: ... APCI 3701 68 11 8 Firmware update Double click on the main menu icon to call the window Firmware update The animated window appears Double click on Firmware update The animated menu disappears and the window Firmware update is activated ...

Page 72: ...equired if you have a standard APCI 3701 with a firmware revision lower than 2 6 If you start the calibration and the board firmware is from a lower version than the required version the program automatically runs an update To start the update manually click on the command Update Transducer type selection ...

Page 73: ...grounded whose value is the difference between the two terminals Disturb signal Interferences that occur during the transfer caused by reduced bandwidth attenuation gain noise delay time etc Driver A part of the software that is used to control a specific hardware device such as a data acquisition board or a printer Edge Logic levels are defined in order to process or show information In binary ci...

Page 74: ...ly two voltage ranges represent information These ranges are defined with H High and L Low H represents the range that is closer to Plus infinite the H level is the digital 1 L represents the range that is closer to Minus infinite the L level is the digital 0 The rising edge is the transition from the 0 state to the 1 state and the falling edge is the transition from the 1 state to the 0 state Lim...

Page 75: ...etermined For example a converter with 12 bit resolution can resolve 1 part in 4096 Sensor A device that responds to physical stimuli heat light sound pressure motion etc and produces a corresponding electrical output Short circuit A short circuit of two clamps of an electric switch is when the concerning clamp voltage is zero Short circuit current Short circuit current is the current between tow ...

Page 76: ...ibility 13 Energy requirements 16 G Glossary 78 H Half bridge transducer Function description 50 Handling of the board 12 I Installation of a new board 34 Installation of the board 24 Intended use 9 Internet 39 Interrupt 54 L Limit values of the version APCI 3701 K 18 Limits of use 10 LVDT transducer Function description 51 M Measurement of the supply signal 49 P PC Closing 26 Physical set up of t...

Page 77: ...Index APCI 3701 74 Transducer list 22 Transducer principle 50 U Update 39 Usage restrictions 10 User Personal protection 11 Qualification 11 V Versions 15 Virtual board 33 ...

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