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SPS6000 Datasheet - A-Tech Instruments Ltd.

1. 3 SPS6000 CONFIGURATION SOFTWARE 31 CE Declaration of Conformity Manufacturers Name Daytronic Corporation Manufacturer s Address 2211 Arbor Blvd Dayton OH USA 45439 1521 declares that the products Product Name SPS6000 Signal Processing System Product Models SPS6108 CE SPS6116 CE SPS6132 CE SPS6108D CE SPS6116D CE SPS6132D CE provided that 1 They are used only with ASP connector assemblies bearing the model number SPS6056 CE 2 They are used only with signal conditioner connector assemblies bearing model numbers with the CE suffix in compliance with instruc tions contained within the SPS6000 user manual part number 91937 00 version SB 3 2 0 or higher 3 That all connections to the system are made in compliance with instructions contained within the SPS6000 user manual part number 91937 00 version SB 3 2 0 or higher then conform to the following specifications Safety EN 61010 1993 EMC IEC801 2 1984 EN50082 1 1992 8 kV AD 4 kV CD Criterion B IEC801 3 1984 EN50082 1 1992 3 V m 27 500 MHz Criterion A IEC801 4 1988 EN50082 1 1992 0 5 kV Signal Lines 1 kV Power Lines Criterion B EN55011 1998 Group 1 Class A Supplementary Information These products herewith comply with the requirements of the Low Volt age Directive 73 23 EEC and the EMC Directive 89 336 EEC as amended by Directive 93 68 EEC Dale Lankford Principal Engineer June 1 1999 Wayne Holbrook VP
2. Signal Processing Instrumentation for Measurement 8 Analysis al Processing l CE Models Available ENE NN VS y y I I 2 Faster easier system configuration in Windows Noms EL as AT el M Nara ke Dam mm fin 2 roe 2 knr 8 EE E m 3 TE rer E e Esl 2 SPS6000 is capable of full compliance with CE standards under the conditions stated in the Declaration of Conformance in the back of this book Copyright O 1998 1999 Daytronic Corporation All rights reserved No part of this document may be reprinted reproduced or used in any form or by any electronic mechanical or other means including photocopying and recording or in any information storage and retrieval system without permission in writing from Daytronic Corporation All specifications are subject to change without notice SPS6000 is a trademark of Daytronic Corporation A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 SPS6000 Technical Overview v SB 5 1 Pub No SPS6KTO 5 1 Issued 6 99 SS DAYTRONIC issued e o 5SPS6000 SIGNAL PROCESSING SYSTEM TECHNICAL OVERVIEW Daytronic Corporation A Tech Instr
3. 16 or 32 analog outputs in all Each output derives from an installed signal conditioner card or from the output of an internal system function module see below Simple cabling connects each ASP card s analog outputs to one or two Industry Standard PC based Data Acquisition Cards or to appropriate PLC input terminals Cables can be up to 50 feet long without loss of accuracy Regardless of its channel capacity every ASP card contains socket locations for up to 8 user selected function modules Described in detail in Section 2 d these modules handle the high speed front end analog signal operations that set SPS6000 apart from other signal conditioning systems An ASP card can receive up to 8 logic inputs for the direct control of its assigned processing functions and can generate up to 8 logic outputs for external annunciation of the status of these functions Signal Conditioner Card Signal Programmable Conditioning Filtering Analog Signal Processor ASP Card 10 V DC Analog Fig 2 SPS6000 Signal Pathing Outputs Analog Function Module It is helpful to look at SPS6000 as an extremely versatile analog pathing sys tem Fig 2 shows how the raw analog measurement signal received from a conventional electromechanical transducer is conditioned and filtered by an appropriate Signal Conditioner Card before being presented as input to an Analog Signal Processor Card One or more function modules on the ASP card can r
4. After time t it continuously reports the highest input sig nal value perceived since Track was released From time t to time t the input signal is continuously rising and so the output appears to be continuing to track it At time t however the input signal reaches its first true maximum since time t The output captures this positive peak P holding it as a constant value until time 15 when a yet higher input value is detected and the output begins once more to track the input upwards to a yet higher peak PA Fig 13 also shows the application of a Hold during Peak operation When the Hold input goes true at time tz the frozen analog output no longer responds to a higher valued input Fig 14 shows the capture of successively lower valued signal minima when the module is set for Peak operation In this case the Track and Hold inputs do not change from their initial false state The initial input minimum time to is held until the input signal reaches a lower value at time t At this time the output appears to begin to track the input down to the first true neg ative peak P This peak value will be captured at time t and held until a still lower input value is detected at time t wnereupon the output will track down to the second lower peak PA etc INPUT N ON OUTPUT 7 PEAK NE P LOGIC t t t INPUTS Bs j i TRUE FA
5. Fig 23 shows a worksheet version of the same application with the tag name that is to be assigned to each complete ASP signal path The five function modules shown in Fig 22 must be mounted on the same ASP card since if two ASP cards are present they cannot talk to one anoth er Thatis the two cards will operate completely independent of one another each receiving its own set of analog inputs having its own set of function HI OK LO B Comparator A HI LO Peak Output Position at a Sample i amp Hold Channel specific Force Acquire Output Channel Live Position Input Channel C HI E Peak Comparator Output Position at HI LO 77 Channel Maximum Force A Acquire I Input Output Er r x mu nu nu nu EM mu mu mu EM mu EM e nu mm all D Have Peak Output Channel Maximum Force Track L L Fig 22 Function Module Block Diagram for Force Displacement Application Reset When the plotting of multiple force displacement curves is required a Model SPS6703 Auto Zero Module can be used to ensure that each displacement plot starts at the exact origin of the graph regardless of variations in spring height and other characteristics 2 d ANALOG FUNCTION MODULES 27 A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 2 SYSTEM HARDWARE COMPONENTS 28 modules any of which may interact with anot
6. a SHIELD terminal is available on the connector Regardless of whether a function module analog output connects to an ASP analog output or to one or more analog inputs of other function modules its current reading may be displayed at any time by calling the appropriate internal data channel via the front panel keypad or On Line Calibration window 2 d ANALOG FUNCTION MODULES 13 2 SYSTEM HARDWARE COMPONENTS Some function modules can receive one or more LOGIC INPUTS for con trol purposes Each control input can originate either from an external logic device via a logic input terminal on the same ASP card or from another function module on the same ASP card Some function modules can produce a specific number of LOGIC OUT PUTS for control purposes Each control output can be delivered to an external annunciation or control device via a logic output terminal on the same ASP card and or to one or more other function modules on the same ASP card The specific I O structure for each function module as represented by that module s CONFIGURATION WINDOW is described in the respective section below 2 d 2 MODEL SPS6701 SUM DIFFERENCE MODULE The Model SPS6701 Sum Difference Module is used to calculate the algebra ic sum of two or more independent analog signals that have equivalent scal ing As shown in Fig 10 the module has 6 analog inputs The first four inputs are additive the last two are subtractive O
7. output will be true when the value of Input A is greater than Threshold C and Note however that if a non zero hysteresis value has been set a HIGH or LOW evaluation will continue after the input has crossed back into the OK zone until it has passed out of the hys teresis deadband The same effect applies to comparisons made by this module when in the Dual or Window mode Thus Input A and Input B must be scaled using the same engineering units specification and the same full scale output setting 2 d ANALOG FUNCTION MODULES 25 B a i i m ox on eL V EU mz 1 4 PON AT A m 1 a MA 4 mn c N E S om q J ve D m AY gt Vea DAA A EU rm 5 o x DEW udi DEIA wi 200 ll Gu E Y Ll iy eat Rim W al M Bom A gt MW US EH lm H S Dd 1 5PS6704 SPS56r04 Comparator Window Mode 1542640 T 32D S B D Y 225cB D Threshold C 0000 Threshold D 0000 Hysteresis 0000 nvert l Invert vr Invert 13 Enable 71 Enable Y 3 Enable 12 Fig 21 Configuration Window Model SPS6704 Comparator Module in Window Mode the L2 output will be true when the value of Input B is less than Threshold D C WINDOW MODE In this mode shown in Fig 21 the Comparator Module compares two inde pendent analog inputs A and B to one another if it is desired f
8. ASP Card in the SPS6000 system These mini circuit cards provide a variety of real time processing functions that can be set up via the Configuration Software to operate on the analog measurement signals acquired by the sys tem s conditioner cards In the course of designing and configuring a given SPS6000 system the user must specify any and all inputs and outputs both analog and logic to be handled by each active function module of each ASP card A function module input or output is specified by indicating an appropriate TAG NAME for the wire that establishes that input or output in the system block diagram For an example of a typical function module diagram see Section 2 d 6 In general terms four types of electronic signals are associated with analog function modules Every function module will receive one or more ANALOG INPUTS Each analog input can originate either from a system conditioner card or from another function module on the same ASP card Most function modules produce a specific number of ANALOG OUT PUTS Each analog output can be delivered either to the host device via an analog output terminal on the same ASP card and or to one or more other function modules on the same ASP card When wiring to a PC Data Acquisition Board differential inputs are recommended with each SIGNAL returning to one of the ANALOG COMMON terminals of the ASP connector Shielded cabling is always recommended
9. Engineering Wayne Holb k June I 1999 Bill Hedges President ill mn June 1 1999 222 DAYTRONIC Table of CE Compliant I O Connectors for SPS6000 Compatible Conditioner Cards uu uuu 9 0 010 Lu Lu Q Q Conditioner Card 10A18 4C 7 10A30 2C CE Conditioner Connector Model CQBCXX X CE or CUBC CE D 313131 17 lt OIQIQ O O OO e po 10A41 2C fe 10A60 4 10A61 2 10A63 2 10A70 2 10A72 2C 10A73 4 10A78 10A96 AA14 4F010 AA30 4 AA41 2 AA41 4 AA72 2 AAzz4 e There are three versions of the CE compliant Four Channel QUARTER BRIDGE Completion Connector depending on the required nominal bridge resistance Model CQBC120 CE for 120 2 Model CQBC350 CE for 350 2 and Model COBC1K CE for 1 kQ Note that CE compliant operation of the Model 10A73 4 requires the use of one of these three quarter bridge completion connectors or the four channel Model CUBC CE Universal Completion Connector Also note that there is currently no CE compliant conditioner connector for the SPS6000 compatible Model 10A31 4 Quad LVDT Conditioner Card or Model 10A68 2 Dual AC RMS Conditioner Card which requires the special connector board supplied with the card A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 222 DAYTRONIC A Tech Instruments Ltd sa
10. Limit 0 0000 Low Limit 0 0000 Hysteresis 0 0000 Invert High Invert OK v Invert Low Enable High Enable Enable Log Fig 19 Configuration Window Model SPS6704 Comparator Module in HI LO Mode trigger for a sample and hold tare capture or other internal SPS6000 ana log processing function Note that any SPS6704 logic output can be temporarily or permanently dis abled by controlling the corresponding Enable input to Logic O false Note too that optional inversion of each logic output can be specified Via the Configuration Software the user can set the Comparator Module to operate in any one of three distinct modes a HI LO MODE In this mode shown in Fig 19 the Comparator Module can be used to per form a simple HI LO limit check on a specific variable Thus the module will continuously compare the value of its single analog input to both a preset HIGH LIMIT value and a preset LOW LIMIT value One only of three logic outputs will be issued as a result of this comparison provided that the corre sponding Enable logic input is true See the first note p 14 In each mode a desired Hysteresis value can be entered This is the threshold value for appropriate hysteresis deadbands to be in effect for the relevant setpoint values in order to prevent low level input fluctuations from toggling comparator logic outputs on and off when the evaluated value
11. Trigger input is true the Tare Out will continuously track the analog input and the Net Out will remain at zero When the Level Trigger is released at time t the last cap tured tare value is held and the behavior of Net Out will begin to mirror that of the input signal the constant offset being the last captured input signal value The same effect capturing of tare and zeroing of output will be produced whenever the logic state of the Edge Trigger input is seen to change from false to true provided that the Enable Edge input is true when this change occurs This is what happens in Fig 18 at times t4 and t After detection of an Edge Trigger rising edge the Net Out will not remain at zero but will immediately begin to mirror the input signal Note that the detection of rising edges in the Edge Trigger input between times t and tz will have no effect This is because the Enable Edge input is false for this period of time The SPS6703 s Capturing logic output will be true while the module is in the process of converting the last captured tare value to a digitally held value As mentioned in the note above this usually takes a few tenths of a second The Not Capturing output is simply the complement of the Capturing out put itis false as long as Capturing is true and true as long as Captur
12. applications By means of its side panel clamp slides the mainframe can be easily mounted in the user s precut panel as shown in Fig 4 Panel cutout dimensions are given in the figure Panel thickness should not exceed 6 mm 0 24 in The Model RMK 6K Rackmount Kit lets you install any SPS6000 mainframe in a standard 19 instrument rack The height of the RMK 6K panel is 5 22 inches 13 26 cm Fig 4 SPS6000 Panel Mounting 3 70 0 01 inches 8 70 0 01 inches 2 a 2 PHYSICAL SPECIFICATIONS The following specifications apply to all SPS6000 mainframe models regard less of output capacity Power Requirements Input Voltage Continuous power range from 100 to 240 V AC 6 2 a MAINFRAME A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 SYSTEM HARDWARE COMPONENTS 2 Consumption 55 W maximum Frequency 47 63 Hz Fuse 0 5 amp time delay 250 V AC Dimensions See Fig 5 8 64 21 95 Fig 5 Mainframe Dimensions Allovv 6 to 7 in 0 50 15 2 to 17 8 cm for 1 27 connector and cable bend 9 65 24 51 gt 13 43 34 11 gt l Lm 9 12 10 16 Mu 0 Environmental Operating Temperature Range 5 C to 50 C 41 F to 122 F Operating Relative Humidity 5 to 95 noncondensing ESD Protection See the Declaration of Conformity in the back o
13. b Dual Mode ve 25 C Window Mode Leese 26 6 A Typical Function Module Block Diagram 27 3 SPS6000 CONFIGURATION SOFTWARE 30 CE Declaration of 32 Table of CE Compliant I O Connectors for SPS6000 Compatible Conditioner Cards 33 Table of Figures CONTENTS 1 A General SPS6000 System 1 2 SPS6000 Signal Pathing x nmvassnnnunnnnnnnnunnnnnennnnnnnnnnnvennvennnnnnnnnnnnnnnnnen 2 3 a Mainframe Front Elements 5 3 b Mainframe Rear Elements eese 6 4 SPS6000 Panel Mounting 6 5 Mainframe Dimensions 7 6 Front Panel Operator Display and Keypad 8 7 Generalized Input Channel Block 10 8 On Line Calibration Window 11 9 Generalized Output Channel Block 12 10 Configuration Window Model SPS6701 Sum Difference Module 15 11 Configuration Window Model SPS6702 Peak and Track Hold Module 16 12 SPS6702 Track and Hold Operati
14. char acteristics if applicable and calibration values tag name specification of all analog outputs and logic I O to be handled by each Analog Signal Processor Card tag name specification of all active function module inputs and outputs analog and logic plus specification of any other applicable function module operating parameters Once a specific configuration has been created and saved to the setup PC s hard disk via the Configuration Software it can be downloaded to the SPS6000 for immediate implementation or it can be kept on the hard disk for later use and or revision Any configuration can be printed out for hard copy storage lf desired the user can at any time upload the existing configuration of a connected SPS6000 system for viewing and or editing Two new features of the Configurator Software simplify the process of creat ing complete signal paths AUTOCONNECT A C buttons and POPUP TAG NAME LISTS Pressing the A C button of an ASP analog input or function module analog output automatically connects that input or output to the next available ASP analog output while pressing a function module logic output s A C button automatically connects that output to the next available ASP control output For each tag name entry field the user can invoke a popup list containing any and all tag names previously entered into this con figuration which may be legitimately entered in that field Thus for example the
15. for a selected input channel on a run time basis enter an analog filter cutoff frequency for a selected input channel with programmable filtering on a run time basis Note that the system forces all displayed values to the highest possible preci sion that is the decimal point display resolution for a given input channel and any associated output channels is automatically maximized for the full scale transducer range that has been entered for that channel A security feature in the Configuration Software permits only selected keypad functions to be made available to the operator for each displayed channel Thus for example if it is not desired that the operator be able to recalibrate a given channel via the front panel keypad the appropriate buttons can be deactivated when that channel is called to display The software also allows a hardware Security Override function to be either enabled or disabled The Security Override jumper pins are located on the SPS6000 motherboard behind the front bezel see Fig 3 a When Security Override is enabled via the Configuration Software any and all keypad security provisions made via the Configuration Software may be cancelled by moving the jumper connec tor When Security Override is disabled via the Configuration Software all software security provisions are always in effect regardless of the jumper position An active channel is one that has been assigned a tag name
16. i i 5 lo Ni 222 7 vi ququ MES c NDS oec a TZ UOYJEIO e o o fer HOHEOO sj uueys ndino Bojeuy E 1 a a oe mS 11 TE 1 SEE O L OTTAMNS horer neset a sing 4 id eum eg je CIV Manu ait TAS tue ME Yum r px Po A ll A 3 SPS6000 CONFIGURATION SOFTWARE The primary purpose of the Model SPS6905 Configurator Software is to permit users to quickly and easily create the SPS6000 configurations required for particular real world applications This Windows based software is to be run on an external PC that communicates with the SPS6000 system through a special serial interface General requirements for the setup PC are as follows IBM or compatible PC 486 or higher with VGA display Windows 95 or 98 or Windows NT 4 0 or higher 10 Mbytes of hard drive memory for the application saved configurations require additional memory 16 Mbytes of RAM recommended for Windows 95 32 Mbytes recom mended for Windows NT 4 0 one 1 available RS 232 port USB not supported mouse operation required A configuration is a full set of parameters that instruct the SPS6000 system precisely how it is to collect and process sensor based data In addition to general system communications protocols and security provisions a configu ration includes specific input channel setup information such as slot location filter
17. ing is false By means of these two logic outputs the user can arrange to postpone critical control or recording actions until the captured signal value has been digitally stabilized 2 d 5 MODEL SPS6704 COMPARATOR MODULE The Model SPS6704 Comparator Module produces no analog outputs lts function is to issue logic output to one or more other modules on the same ASP card or to one or more external logic devices based on the compari son of input signal values to user entered setpoint values or to the values of other input signals A Comparator output can serve not only as a GO NO GO control command to an external process actuator but also as a real time As soon as it is captured the tare value is placed in analog capacitor storage but is then backed up with a digitally derived and therefore undecaying signal There is however a delay of a few tenths of a second before the held tare value is digitally stabilized The Capturing and Not Capturing logic outputs let the user monitor the digitization process as explained below 2 See the first note p 14 3 By indicating an inversion of the Edge Trigger logic function in the SPS6703 Configuration window the user can arrange for a true to false or falling edge transition of the Edge Trig ger input to trigger a tare capture 2 d ANALOG FUNCTION MODULES 23 1 SPS8704 9 56 04 Comparator HiLo Mode High High
18. is in the neighborhood of the setpoint value In the Comparator HI LO and WINDOW modes the hysteresis value is expressed in engineering units In the DUAL mode only it is expressed as a percent of full scale 24 2 d ANALOG FUNCTION MODULES A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 if the input value is greater than the HIGH LIMIT setpoint the High logic output will be set to true if the input value is less than the LOW LIMIT setpoint the Low logic out put will be set to true if the input value is less than or equal to the HIGH LIMIT setpoint and greater than or equal to the LOW LIMIT setpoint the OK logic output will be set to true 1 5 56704 9 56 04 Comparator Dual Mode L AC CELEX HAD Threshold E o 0000 Threzhold 0000 Hysteresis n 0000 Invert L1 Iv Invert LZ Enable L1 Enable L H Fig 20 Configuration VVindovv Model SPS6704 Comparator Module in Dual Mode b DUAL MODE In this mode shown in Fig 20 the Comparator Module can receive one or two independent analog inputs A and B that have equivalent scaling The value of each input will be continuously compared to the value of a corre sponding user entered setpoint or threshold Provided that the corresponding Enable logic input is true the L1
19. to the highest quality signal conditioning it provides user configured signal processing functions that operate indepen dently of the host device at a true analog speed as required by many test and manufacturing applications being developed today Through continuous analog processing the SPS6000 allows easy capture of actual not approxi mated details of even the most dynamic measurement signals while analog limit decisions can be made to provide instantaneous outputs on critical viola tions By assuming full responsibility for real time signal conditioning and monitoring a front end SPS6000 optimizes the performance of the user s A D system allowing that system to make the best use of the high quality analog signals that result Setup Computer for system configuration only Up to 8 16 or 32 software scaleable 10 V ANALOG OUTPUTS 5P56000 ES Signal Processing System Tr gt A2mo00 Frequency Generating Transducers Misc Analog Sources ANALOG INPUTS Up to 8 selected from mixed SIGNAL CONDITIONER CARDS Analog Output Porte Real World Sensors up to 4 channels per card x plus 1 or 2 INDUSTRY STANDARD PC BASED ANALOG SIGNAL PROCESSOR CARDS DATA ACQUISITION CARDS up to 8 selected FUNCTION MODULES per card or to appropriate PLC INPUTS up to 50 ft without loss of accuracy Fig 1 A General SPS6000 System The SPS6000 system continues to build on Daytronic s long s
20. via the Configuration Software It may be an ANALOG INPUT CHANNEL an ANALOG OUTPUT CHANNEL or a FUNCTION MODULE OUTPUT CHANNEL In future releases the keypad will have additional functions These will include specification of the desired high limit and low limit threshold values for certain function modules 2 4 MAINFRAME SYSTEM HARDWARE COMPONENTS 2 2 4 4 DIAGNOSTIC OUTPUT A 9 pin connector on the rear of the SPS6000 mainframe allows connection of an external alarm device for purposes of system health monitoring see Fig 3 b Both normally open and normally closed contact closures are provided The selected contact is switched when a NOT OK system condi tion is detected in which case the front panel OK indicator will also be turned OFF This could be for example when an out of tolerance condition occurs for a backplane voltage or other critical system parameter or when the SPS6000 firmware detects an abnormality in the course of verifying its own operation 2 0 SELECTABLE SIGNAL CONDITIONER CARDS FOR ANALOG INPUT Analog signal conditioning has always been the cornerstone of Daytronic s design expertise Every SPS6000 mainframe can accommodate up to 8 mul tichannel Signal Conditioner or Analog Input Cards Accepting and condi tioning raw measurement signals from thermocouples RTD s LVDT s frequency generating transducers DC or AC excited strain gage transduc ers and m
21. 5 5 02 SFSEBII2 Peak Track Hold Have Peak Peak Have Peak Input Output Positive Threshold l A ic f Negative 0 0000 Leak Rate 0 00 7 set Output Invert Track Invert Hold El Lus v Invert Acquire Invert Have Peak DIS Acquire Hold Acquire Track Fig 11 Configuration Window Model SPS6702 Peak and Track Hold Module INPUT OUTPUT LOGIC 7 tp INPUTS Fig 12 SPS6702 Track and Hold Operation 16 2 d ANALOG FUNCTION MODULES SYSTEM HARDWARE COMPONENTS 2 a TRACK AND HoLD OPERATION When the Track input is true and the Hold input is false the value of the Output signal will be continuously identical to that of the input signal As the input value varies no signal peaks will be captured and no value will be held Fig 12 shows how the output tracks the input as long as Track is true and Hold is false from time t to t and following time t When the Hold input goes true at time t however the analog output value freezes at the value that existed at that time At time 55 the Hold is released goes false and the output begins once again to track the input NOTE Since the SPS6702 uses purely analog capture and storage tech niques each and every held signal value will decay at the user specified leak rate see below or if a leak rate of zero is spe
22. LSE TRACK TRUE HOLD FALSE Fig 14 SPS6702 Peak Capture Operation Successively Lower Valued Minima 18 2 d ANALOG FUNCTION MODULES A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 SYSTEM HARDWARE COMPONENTS 2 INPUT P P OUTPUT PEAK LOGIC t t t t INPUTS j Jh A TRUE TRACK TRUE HOLD FALSE Fig 15 SPS6702 Capture and Hold of Successively Lower Valued Maxima Using Peak Reset The module s Have Peak logic output will be true when Track is false and when the output signal differs from the input signal by more than a preset threshold amount A true Have Peak output thus indicates that a valid posi tive or negative peak has been captured The Have Peak Threshold value is directly entered by the user in the SPS6702 Configuration window in the engi neering units assigned to the output Note that an SPS6702 s Have Peak output can serve as the Level Trigger for an Auto Zero Module thus enabling a captured peak value to be held by that module for an indefinite period of time without decay see Section 2 d 4 The software also lets the user set the Leak Rate at which every signal value held by the SPS6702 will decay in percent of full scale per second The ability to adjust the leak rate is useful in the measurement of peak trends in very fast
23. PS6132D CE can produce up to 32 analog outputs and can support up to 16 selected function modules Front and rear mainframe elements are shown in Figs 3 a and 3 b respec tively All conditioner and processor cards are accessible from the front of the SPS6000 unit when the front bezel has been removed as are the main frame s ON OFF switch and fuse ZIF Zero Insertion Force plug in slots allow easy insertion and removal of all cards One or Two ANALOG SIGNAL PROCESSOR ASP Cards A SLOT No 8 ASP 2 ASP1 System Health OK Indicator Power ON Indicator Power ON OFF Switch Fuse 2 A SLOT Actuating Lever No 1 Security Display Keypad Connector Override Optional A Cards Programming for Jumper SIGNAL CONDITIONING Fig 3 a Mainframe Front Elements For Standard FRONT PANEL Screws for Removal DISPLAY KEYPAD of Front Bezel see Fig 6 5 2 4 MAINFRAME 2 SYSTEM HARDWARE COMPONENTS ASP Card I O Connectors for connection to Host Device and External Logic Devices Panel Mount Slide see Fig 4 Fig 3 b Mainframe Rear Elements AC Power Connector Replaceable _ Fan Filter NS IA A Card VO Connectors pt for connection of Serial Transducers Interface Port Auxiliary Port for connection to for connection of Setup Computer Diagnostic Output dj and Optional Remote Display Keypad s Every SPS6000 unit is suitable for bench mount panel mount or rack mount
24. annel can be wired directly to a sin gle ASP output terminal or to one or more intervening function modules 2 C ANALOG SIGNAL PROCESSOR ASP CARDS FOR ANALOG OUTPUT The Analog Signal Processor card or card set is the heart of every SPS6000 system Every mainframe has standard slots for up to two ASP cards The principal functions of an ASP card are to perform real time mx b scaling and calibration of analog input sig nals received from system conditioner cards based on transducer and output values entered by the user through the Configurator Software fol lowing this initial calculated calibration additional on line Zero and span calibration can be performed if necessary to improve measure ment accuracy to apply specific processing functions to these signals on a real time basis if required via user specified FUNCTION MODULES installed on that ASP card 2 C ANALOG SIGNAL PROCESSOR ASP CARDS FOR ANALOG OUTPUT 11 2 SYSTEM HARDWARE COMPONENTS based on these scaling calibrating and processing functions to generate high level analog outputs for delivery to an external PC PLC or other data acquisition system supplying its own A D conversion and also to gener ate logic outputs for control and annunciation The Model SPS6208 Analog Signal Processor Card can produce up to 8 independent analog outputs the Model SPS6216 up to 16 ASP analog output specifications are as follows Accuracy 0 02 of f
25. cified at less than 0 1 of full scale per second For indefinite digital hold of an input signal value without decay the Model SPS6703 Auto Zero Module can be used see Sec tion 2 d 4 OUTPUT PEAK LOGIC INPUTS TRUE TRACK FALSE TRUE HOLD FALSE Fig 13 SPS6702 Peak Capture and Hold Operation Successively Higher Valued Maxima b PEAK CAPTURE AND HOLD OPERATION When both the Track input and the Hold input are false the value of the Output signal will represent the greatest maximum or minimum value expe rienced by the input signal since peak capture operation last began Any captured peak can be held by subsequently causing the Hold input to go true See the first note p 14 2 d ANALOG FUNCTION MODULES 17 2 SYSTEM HARDWARE COMPONENTS If the user has selected Positive Peak operation for the module via the Configuration Software the Output signal will represent the most positive or least negative input value received since peak capture operation last began lf Negative Peak operation has been selected the Output signal will represent the least positive or most negative input value received since peak capture operation last began Fig 13 shows the capture of successively higher valued signal maxima when the SPS6702 is set for Peak operation Until time t the output continuous ly tracks the input
26. cyclic processes and permits capture of rapidly successive peaks of similar amplitude without having to provide a reset for each peak see below Typical applications involve high speed displacement sensors in the monitoring of tool or material wear wear and metal fatigue of dies presses bearings bushings etc or of eccentric phenomena like shaft runout or fly wheel wobble Consider the situation illustrated in Fig 15 above where the SPS6702 is set for Peak operation and it is desired to capture and hold a signal maximum P5 that is lower than the previously captured maximum P1 Here it is nec essary to reset the output to get it back on track so to speak somevvhere along the rise of the input toward the second lower valued peak This is done by returning the output momentarily to Track operation at time t that is by changing the state of the Track input to true and then changing it 2 d ANALOG FUNCTION MODULES 19 2 SYSTEM HARDWARE COMPONENTS immediately back to false Applying a Hold at time t ensures that the output will continue to report the captured P even when the input rises back above this value An alternative reset technique using a Hold Window may be more conve nient in certain applications Here the Track input is not used its state being continuously false Instead a Hold is applied at any time prior to the second peak to be ca
27. e voltage from 5 to 24 V For some logic functions however the user may specify inverted or negative true logic when required by the application In the inverted state a function module logic input or output will be at Logic O O V when true All SPS6701 inputs must be scaled using the same engineering units specification and the same full scale output setting Also SPS6701 inputs should be scaled such that the maxi mum expected summation does not exceed the system overrange value of 10 000 V 14 2 d ANALOG FUNCTION MODULES Ge 4 promus N 4 mm Y A JA u yr wA op 1 4 nun lt gt A b ERE PR gt Af L DA sr P DLAI A gt 5 T Q 5 4 L f ON E EN em Y i j B A FE DY RA FE gu D V 4 mu DEW Mw 2 i LI Van B Rs W WS UB hum a X MH LS E E 3 Sa DY 1 5 56701 5 Sum Difference Xu El Sum Out Amu2 ve A re Input3 Inputd Sum Out Input 5 AVC Input B Fig 10 Configuration Window Model SPS6701 Sum Difference Module measurement of material thickness or diameter by adding the signals produced by two opposing LVDT sensors measurement of material taper by calculating the difference between the signals produced by two parallel LVDT sensors measurement of total indicated runout TIR of a rotating part by calculat ing the differ
28. eadout of any active data channel and for selected on line configuration calibration functions by the operator if permitted by keypad security settings analog outputs can be displayed as pure voltage On board diagnostics Relay contacts are provided on the rear of the unit to report system health status including internal voltage supplies and software verification to the host device or other external device for alarm monitoring and annunciation The SPS6000 System is capable of full compliance with CE STANDARDS under the conditions stated in the Declaration of Conformity in the back of this book ADDITIONAL FUNCTION MODULES ARE CURRENTLY BEING DEVELOPED CONTACT THE FACTORY FOR THE LATEST INFORMATION 4 1 6 SUMMARY OF KEY SPS6000 FEATURES SYSTEM HARDWARE COMPONENTS 2 2 4 MAINFRAME 2 4 1 GENERAL DESCRIPTION Each SPS6000 system is housed in a compact rugged chassis or main frame of extruded metal with splash resistant front panel and a fan driven positive pressure air flow The mainframe furnishes all necessary power sup plies and complete facilities for internal system interconnections Three standard SPS6000 mainframe systems are available The Model SPS6108D CE can produce up to 8 analog outputs and can support up to 8 selected function modules The Model SPS6116D CE can produce up to 16 analog outputs and like the SPS6108D CE can support up to 8 selected function modules The Model S
29. eceive the input signal operate upon it as specified by the user via the Configuration Software and present their respective analog outputs either to the ASP card s output pins or to other function modules By virtue of the logic control functions by which individual function modules can be inter connected any number of real time processing routines are possible See for example the Typical Function Module Block Diagram in Section 2 d 6 following the description of individual function modules The system s integral front panel display with operator keypad permits any active SPS6000 analog output to be viewed either as a finished engineering unit answer or as a pure voltage You can also display any active SPS6000 Assuming that all 8 A Cards are 4 channel cards 2 1 a GENERAL DESCRIPTION THE SPS6000 System T input channel or function module output as an engineering unit value Via the front panel buttons and display the operator can perform on line calibration functions on a temporary run time basis provided that the level of security presently set for the system allows such operations An easy to use Windows based software package is furnished with each SPS6000 that lets the user configure the system in a short time In addition to locating and calibrating all input measurement signals the configuration procedure includes the assignment of unique tag names to create the spe cific analog pa
30. ence between the maximum peak and minimum peak of asingle LVDT signal as captured by a Peak and Track Hold Module see below obtaining an error signal in a closed loop servo system the difference between a command signal and a feedback signal 2 0 3 MODEL SPS6702 PEAK AND TRACK HOLD MODULE The extremely versatile Model SPS6702 Peak and Track Hold Module accepts a single analog input signal and produces two analog outputs see Fig 11 As explained below the value of the signal labelled Output is con tinuously determined by the existing value of the input signal by the status of the module s four logic control inputs and in some cases by certain setup entries made by the user via the Configuration Software The value of the sig nal labelled Input Output is simply the algebraic difference between the present value of the input signal and the present value of the Output signal The easiest way to understand the use of the SPS6702 s control inputs is to look at the three main ways in which this module can operate In the discussion of Track and Hold and Peak Capture and Hold operation we are assum ing that the module s Dis able Acquire and Acquire inputs both remain at the default state of Logic O false 2 d ANALOG FUNCTION MODULES 15 A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 1
31. f course adding a sub tractive signal to another signal amounts to calculating the difference between them The Sum Difference Module has two analog outputs The Sum Output con tinuously represents the algebraic summation of all active inputs additive and subtractive If for example Input Nos 1 2 and 5 have been activated by assigning each of them a unique tag name and the value of Input No 1 at any moment is x that of Input No 2 is y and that of Input No 5 is z then the value of the Sum Output will continuously equal xty z The Sum Output is simply the present value of the Sum Output with opposite polarity Typical applications of the Sum Difference Module include A logic output from one function module that only serves as logic input for another function module on the same ASP card is referred to as an internal control Note too that the function associated with the true or asserted state of a given logic input or output is generally implied by the name of that input or output For example when an input named HOLD is true the present input signal value will be held when an output named HAVE PEAK is true a peak value of the input signal has been captured The true logic state is normally represented by Logic 1 This is called positive true logic since for the SPS6000 system Logic 1 is defined as a positiv
32. f this book in addition to conformance to CE EMC specifications ESD protection of all inputs and outputs is provided Front Panel Indicators Two green lights one for system power indication POWER and one for system health indication OK see also Section 2 a 4 2 4 3 FRONT PANEL DISPLAY AND OPERATOR KEYPAD Every SPS6000 mainframe is equipped with a front panel Model SPS6501 Operator Display Keypad shown in Fig 6 below The Model SPS6501 provides 8 digit 0 562 orange LED s for vivid display of any selected active data channel 01 through 96 as a finished engineering unit answer any analog output channel 01 through 32 may alternatively be displayed as a pure voltage value A single SPS6000 mainframe can be optionally connected to up to three additional remote SPS6501 s via daisychain linkage through its rear AUXILIARY PORT shown in Fig 3 b 2 a MAINFRAME 7 8 HE gt a TA m I A JT PARE COM gt ONENTS PE hk a EWE Dye Ru NE O O OK POWER Shunt Hi Lim Shunt Lo Lim Filter O Lj SPSSOOO Fig 6 Front Panel Operator Display and Keypad a push button keypad that allows the operator to step through all active channels to select the one to be displayed indicate whether the scaled reading or output voltage is to be dis played for an analog output channel only enter calibration values
33. h analog input channel via the Configurator Software you will enter a number of important characteristics which the system needs to know in order to process the channel This information is Summarized in the generalized ASP INPUT CHANNEL BLOCK shown in Fig 7 Note that it includes both transducer and output characteristics that must be specified before the channel can be calibrated by the software It also includes in some cases the particular measure ment application in which the channel is to be used For example in the case of a Model 10A41 2C Dual Frequency Conditioner Card you must speci fy whether the channel being configured is to be used for measurement of flow frequency or RPM 1 Input Channel No n 1 Enter Analog Filter Hz 3 Analog 1 Enter Application Enter Unit Information Description Input unless fixed Enter TRANSDUCER Information Full Scale Range Full Scale Output Engineering Units Electrical Units User Entered Enter OUTPUT Information User Entered LOCATION TAG NAME Slot No and Conditioner Desired Full Scale Output Desired Zero Offset Subchannel No Engineering Units Engineering Units 1 Y woe Where n is any number from 33 through 64 d Fig 7 Generalized 2 w H Determined by entered Location Input Channel Block 3 If filter selection is permitted for the card 4 Not required for channels capable of Absolute calibration See
34. her module or modules on that card only and producing its own set of analog outputs Live readings of both displacement and force are brought from the respec tive INPUT CHANNEL where they are filtered and scaled appropriately directly through to the respective OUTPUT CHANNEL The scaled displacement reading that exists when the scaled force reading has attained a specific threshold value is sampled by a Peak and Track Hold Module A and evaluated for conformance to preset HI LO limits by a Comparator Module B The Acquire logic input that triggers this sam ple and hold is derived from a Comparator Module C which continuously evaluates the live force reading The peak value experienced by the scaled force reading is captured by a second Peak and Track Hold Module D The Have Peak output of this module serves as the Acquire input for yet another Peak and Track Hold Module E operating in Sample and Hold mode This module acquires the value of the live displacement reading that exists at the moment the peak force reading occurs 2 0 ANALOG FUNCTION MODULES Fig 23 Worksheet Diagram for Force Displacement Application sinduj 0414 02 29 9L 181 Guus o G uuo PIED DT IE pei o puo ox Tu inks c nn GE kes PEL Lll val y l ri A rrer E E db zs Pi cbcwmxl uzbuicc pl iro ASILA ZEE TP Wn uoqeoo MOTA FALT KE Dep
35. ill normally allow measurements by that channel to an accuracy of within 0 02 of full scale except when limited by engineering unit resolution considerations By means of an internal jumper you can set the auxiliary output produced by most AA card channels to represent the prefilter i e unfiltered value of the corresponding input if desired for purposes of real time signal monitoring When such is the case the output bandwidth is limited only by that of the conditioner card up to a maximum of 10 kHz 2 b SELECTABLE SIGNAL CONDITIONER CARDS FOR ANALOG INPUT 9 A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 2 SYSTEM HARDWARE COMPONENTS 10 Each conditioner card comes with a conventional 20 or 40 pin I O CON NECTOR accessible at the rear of the unit for simple direct connection of transducer cable s and quick on line disconnection when required If you want your SPS6000 to conform to CE STANDARDS specific CE COMPLI ANT CONDITIONER CONNECTORS may be separately ordered for most SPS6000 compatible cards CE connectors not only provide secure screw terminal connections for all transducer leads but also offer powerful EMI fil ters and enhanced cable shielding and grounding provisions to ensure full compliance with all relevant EEC directives An SPS6000 system can have up to 32 analog input channels in all When setting up eac
36. iscellaneous voltage and current sources conditioner cards can be mixed and matched to yield the combination of analog inputs to fit a spe cific SPS6000 application In all cases active low pass filtering yields smooth and stable measurement of each input variable even in the face of substan tial dynamic content For optimum SPS6000 performance a new family of Daytronic A Cards is presently being introduced Designated by AA in the model number these Advanced Analog conditioner cards feature per channel analog filtering that may be programmed via the SPS6000 Configurator Software or on a run time basis only via the unit s front panel Filter button See the Daytronic Conditioner Cards Catalog or contact the Daytronic factory for the latest infor mation regarding AA card features specifications and availability Most 10A conditioner cards originally developed for use with the Daytronic System 10 can also operate in an SPS6000 system provided that the card produces the necessary auxiliary outputs and handles no more than four analog input channels again see the Conditioner Cards Catalog for com plete information on all SPS6000 compatible analog input cards Internal accuracies vary with different conditioner cards but in general it can be said for all standard cards that following initial calibration of a given trans ducer based data channel the overall stability of the system w
37. l 10 V output signals are typically linear to 12 V DC and under overrange conditions should be assumed to reach as high as 14 5 V DC As explained in Section 2 d logic control interconnections can be established among individ ual function modules which are purely internal to the SPS6000 system and are therefore not associated with any ASP logic I O terminal 12 2 C ANALOG SIGNAL PROCESSOR ASP CARDS FOR ANALOG OUTPUT A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 SYSTEM HARDWARE COMPONENTS 2 Logic Inputs High impedance device with internal 10 kQ pull up to VCC Logic 1 may be driven by TTL LSTTL CMOS 5 V or through dry contacts to Common Logic Outputs Open collector current sink with internal 10 kQ pull up to VCC maximum sink current is 50 mA per output A special screw terminal connector assembly attaches to the rear of each ASP card Supplied with each ASP card the conventional Model SPS6046 ASP Connector allows direct attachment of multiconductor cables for the delivery of analog outputs to the host device It is also used for connection of the ASP card s logic input and output signals If you want your SPS6000 to conform to CE STANDARDS the CE COMPLIANT Model SPS6056 CE Con nector may be separately ordered 2 0 ANALOG FUNCTION MODULES 2 d 1 INTRODUCTION Up to 8 selected FUNCTION MODULES may be mounted directly on each
38. le which is being continuously evaluated by a Compara tor Module Section 2 d 5 and even then it can be made to occur only when permitted by a precisely defined gate Fig 16 illustrates how the four control inputs operate in a typical sample and hold application In order for sample and hold to occur both the Track input and the Hold input must be true An instantaneous sample of the input signal will then be captured and held when the logic state of the Acquire input is seen to change from false to true provided that the Dis able Acquire input is false when this change occurs In Fig 16 the output simply tracks the input from time t to t since during this period the Hold input is false nor does the Acquire input change its ini tial state of false At time t Hold goes true and the output is conse quently frozen at its existing value After time t Track and Hold are both true and the module is therefore ready to perform a sample and hold At time t5 the first sample S is taken and held This is because att a false to true or rising edge transition is perceived to occur in the Acquire input and the Dis able Acquire input is false at the same time Note that rising edges also occur in the Acquire input at times t and ts These transitions however do not result in samples bei
39. les a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008
40. logic function in the SPS6702 Configuration window the user can arrange for a true to false or falling edge transition of the Acquire input to trigger a sample and hold 2 d ANALOG FUNCTION MODULES 21 A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 2 SYSTEM HARDWARE COMPONENTS 1 SPS6703 SPS6 03 Auto ero Capturing Not Capturing bd A c AVC Tare Out AVC Het Out Invert Level Trigger vi ALL Invert Edge Trigger Invert Enable Edge Level Trigger Edge Trigger Enable Edge zi Fig 17 Configuration VVindovv Model SPS6703 Auto Zero Module INPUT a OUTPUT C NET OUTPUT n LOGIC INPUTS to ty t2 ig 5 s EDGE TRIGGER ENABLE EDGE Fig 18 Operation of the Auto Zero Module 22 2 d ANALOG FUNCTION MODULES SYSTEM HARDWARE COMPONENTS 2 existed when the output was last zeroed is the digitally held tare value and is reported continuously by the module s Tare Out output Fig 18 shows how the module s logic inputs are used to control the taring operation Whenever the Level Trigger input goes true as at time t in the figure 2 the existing value of the input signal is captured as the tare value Since the Net Out output is always the existing input signal minus the tare value this output goes to zero As long as the Level
41. ltages precise built in calibration and excellent interchangeability of condi tioner cards By virtue of these and other design practices the system is capable of monitoring noisy measurement signals with input bandwidth up to 10 kHz yielding atypical measurement accuracy of 0 02 of full scale after calibration over the full operating temperature range cont d SPS6000 can support up to four displays in all Additional remote displays can be linked to the Auxiliary Port in the rear of the SPS6000 mainframe 1 b SUMMARY OF KEY SPS6000 FEATURES 3 A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 1 THE SPS6000 SYSTEM Software scaleable ANALOG OUTPUTS generated by one or two Analog Signal Processor ASP cards At 10 V DC these true analog outputs allow maximum resolution on Industry Standard A D boards User selected ANALOG FUNCTION MODULES allow real time capture and evaluation of specific instantaneous signal characteristics prior to A D conversion Presently there are modules for computation of SUM and DIFFERENCE see Section 2 d 2 TRACK AND HOLD PEAK CAPTURE AND HOLD SAMPLE AND HOLD see Section 2 d 3 signal AUTO ZERO with digital hold capability see Section 2 d 4 continuous COMPARATOR FUNCTIONS HI LO DUAL and WIN DOVV see 2 d 4 FRONT PANEL DISPLAY KEYPAD for vivid digital r
42. ng taken because at each of these times the Dis able Acquire input is true A second sample S5 is taken at time t because the Dis able Acquire input had previously returned to the false condition at time t Typical Sample and Hold applications include determining the behavior of one dynamic variable with respect to another as in testing the pressure flow characteristics of pumps the force displacement characteristics of actuators or the speed torque characteristics of electric motors See the example illus trated in Section 2 d 6 2 d 4 MODEL SPS6703 AUTO ZERO MODULE The Model SPS6703 Auto Zero Module allows quick automatic establish ment of an arbitrary zero reference point for ensuing measurements as required for example in comparator gaging operations with a Zero Master automatic taring of container weights in batch weighing operations and the adjustment of zero baseline for graphic recording It can also provide indefi nite digital hold of an instantaneous signal value without the decay inherent in analog capacitor storage As shown in Fig 17 the SPS6703 accepts a single analog input and produces two analog outputs The principal output signal Net Out will always equal the present value of the analog input minus the value of the input signal that existed when the output was last zeroed The value of the input signal that By indicating an inversion of the Acquire
43. on 16 13 SPS6702 Peak Capture and Hold Operation Successively Higher Valued Maxima 17 14 SPS6702 Peak Capture Operation Successively Lower Valued Minima 18 15 SPS6702 Capture and Hold of Successively Lower Valued Maxima Using Peak Reset 19 16 SPS6702 Sample and Hold Operation 20 17 Configuration Window Model SPS6703 Auto Zero Module adidas 22 18 Operation of the Auto Zero Module 22 19 Configuration VVindovv Model SPS6704 Comparator Module in HI LO Mode 24 20 Configuration VVindovv Model SPS6704 Comparator Module in Dual Mode 25 21 Configuration VVindovv Model SPS6704 Comparator Module in Window Mode 26 22 Function Module Block Diagram for Force Displacement Application 27 cont d vi 23 Worksheet Diagram for Force Displacement Application 24 Selected Configurator Windows THE SPS6000 System f 1 GENERAL DESCRIPTION The Daytronic SPS6000 Signal Processing System serves as a high speed front end for PC based data acquisition systems distributed control systems and industrial PLC s In addition
44. or exam ple to Know when one variable differs from another by less than a certain amount As in the Dual mode above appropriate threshold values must be specified which are here used to quantify the comparisons being per formed on the two inputs Provided that the corresponding Enable logic input is true the Y1 output will be true when the value of Input A is greater than that of Input B plus Threshold C the Y2 output will be true when the value of Input A is less than that of Input B plus Threshold D and the Y3 output will be true when the difference between Input A and Input B is less than Threshold C and greater than Threshold D As in the SPS6704 Dual mode Input A and Input B must be scaled using the same engineer ing units specification and the same full scale output setting 26 2 d ANALOG FUNCTION MODULES Position Sensor Force Sensor SYSTEM HARDWARE COMPONENTS 2 2 d G A TYPICAL FUNCTION MODULE BLOCK DIAGRAM The array of five function modules shown in Fig 22 can be used for example in the production of critical nonlinear springs where quality control proce dures require careful monitoring of force vs displacement characteristics of successive lot samples This system illustrates just one of innumerable ways in which a combination of interacting function modules can be designed to solve specific measurement and control problems
45. popup listfor an ASP analog input channel will contain any and all existing With the exception of the tag name fields in the Internal Controls window 30 3 SPS6000 CONFIGURATION SOFTWARE A Tech Instruments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 SPS6000 CONFIGURATION SOFTWARE 3 tag names that are allowed to serve as a terminating point for that input that is all previously entered ASP analog outputs and function module analog inputs not already connected to a source Configuration files created by the earlier DOS based software are fully com patible with the Windows based Configurator n JJ PJ A a S Ti a 5 dl bldene gn nauem bod ml i ia rdi m ra gt preme A mod i cd aaa ieee o ee i FE iy See Lu a igjen 5 Li 1 m Es WEE EIEEERD OH ES E nre p i p wm a p 1 i n un zn s E AAA am i 4 1 s l e hr mi j TE l 7 E 2 V El m rir Build hi i uai geese IE LI n NEM 9 3 EE il FU Fig 24 Selected Configurator Windows Clockwise from the top Function Module Assignments Window Control I O Window On Line Calibration Window 10A72 2C Input Configuration Window SPS6702 Configuration Window
46. ptured and held P when the input signal is at any arbitrary value lower than the expected value of that peak Hold is then released somewhere along the rise of the input toward P5 and is reapplied subsequent to the capture of that peak Typical Peak Capture and Hold applications include testing torque wrenches for proper slip point material samples for rup ture force and electric motors for stall torque measuring muscle effort impact stresses in machinery or structures peak temperatures of braking surfaces actuating forces of snap switches insertion and withdrawal forces of electrical connectors and similar quantities of importance in research and quality control operations C SAMPLE AND HoLD OPERATION By means of the Acquire and Dis able Acquire inputs the SPS6702 can be instructed to capture and hold instantaneous samples of the input signal LOGIC t t t t t t t INPUTS d 3 ie p 4 FALSE TRUE FALSE TRUE FALSE TRUE ACQUIRE DIS ABLE ACQUIRE FALSE Fig 16 SPS6702 Sample and Hold Operation This same technique is used to reset a Peak output in order to capture and hold a signal minimum that is higher than the previously captured minimum 20 2 d ANALOG FUNCTION MODULES SYSTEM HARDWARE COMPONENTS 2 The sampling of a given parameter can be triggered for example by the sta tus of another variab
47. tanding reputa tion for rock solid signal conditioning Each SPS6000 mainframe can accept a wide variety of real world measurement signals that are traditionally difficult to get into a digital device including AC DC strain and LVDT inputs It yields 10 V DC true analog outputs accurate to 0 02 of full scale following calibra tion by the user SPS6000 s flexible modular design allows for the use of Daytronic s proven A Card Signal Conditioners in a low noise front end environment that ensures drift free measurement and dependable control action These conditioner cards provide powerful low pass active filtering for quieting noisy signals and eliminating aliasing problems in the user s A D converter which can other wise introduce significant errors An enhanced series of AA cards offers programmable analog filtering among other important new features See the latest Daytronic Conditioner Cards Catalog for complete descriptions and specifications of all current SPS6000 compatible 10A and AA conditioner cards 1 a GENERAL DESCRIPTION 1 1 THE SPS6000 SYSTEM Every SPS6000 chassis has slots for up to 8 signal conditioning cards up to 32 analog input channels and for one or two Analog Signal Processor ASP cards Each ASP card provides real time scaling and calibration of analog input channels and can issue either 8 or 16 finished analog outputs to the host device Standard SPS6000 systems thus allow up to 8
48. the table of CE Compliant I O Connectors for SPS6000 Compatible Conditioner Cards in the back of this book Transducer Information need not be entered in order for the Configurator Software to cali brate certain channels that allow Absolute calibration 2 6 SELECTABLE SIGNAL CONDITIONER CARDS FOR ANALOG INPUT SYSTEM HARDWARE COMPONENTS 2 For many types of inputs sufficiently accurate calibration can be achieved simply by entering the calibration values requested by the Configurator Soft ware in the normal course of input channel setup If more accurate calibra tion of a given input is desired or if the requested transducer information is unknown you can use the software s On Line Calibration window to apply an appropriate zero and span calibration method including convenient shunt calibration of strain gage input channels Shown in Fig 8 the On Line Calibration window is essentially a software emulation of the front panel display keypad Fig 6 Online Calibration Data 0 4 Channel Elect ec bed H Units al Save E Online Changes E el pe Units Fig 8 On Line Calibration Window Is le The TAG NAME you assign to a given input channel will apply to that channel in its conditioned state that is after all required analog scaling filtering and calibration operations have been performed on that channel s raw mea surement signal A conditioned input ch
49. thing required by a particular application The setup computer connects to the SPS6000 through a separate serial link Any application can be set up entirely by means of the Configuration Soft ware A standard configuration worksheet is also available however to simplify the setup procedure for applications that call for relatively complex function module interconnections The worksheet helps the user lay out a functional block diagram for the complete SPS6000 system see Figs 22 and 23 for a typical example 1 6 SUMMARY OF KEY SPS6000 FEATURES Selectable real world ANALOG INPUTS Premium multichannel signal conditioning cards have been optimized for particular transducer types and ranges and are compatible with other Daytronic data acquisition sys tems such as SPS8000 and System 10 Measurement channels are serviced in parallel not multiplexed to allow for up to 10 KHz per channel throughput Exceptional STABILITY and ACCURACY result from a shielded front end environment that won t limit the accuracy of sen sitive input signals or the reliability of associated control functions use of premium low drift components remotely sensed excitation allowing long cable runs separate amplifier for each input channel with gain noise drift charac teristics optimized for a specific input type powerful low pass active filtering on an individual channel basis precise control of internal reference vo
50. ull scale typical following calibration by the user Voltage 10 V DC will drive 500 Q load Bandwidth Up to 10 kHz set by conditioner card An SPS6000 system can have up to 32 analog outputs in all When setting up each analog output channel via the Configurator Software you must enter the tag name of the output s source input channel or function module The output s terminal number corresponds to one of the 16 screw terminals on the ASP card s output connector described below Anal Output Channel Output 57 corresponding to ASP Output Terminal No n1 C User Entered TAG NAME Fig 9 Generalized Where n is any number from 1 through 16 Output Channel Block In addition to 8 or 16 analog outputs each ASP card has 8 logic input termi nals and 8 logic outputterminals The specific function of each logic line will be determined by the user during system configuration In general ASP logic inputs are accepted directly from external dry contacts switches relays etc or an active CMOS compatible logic system and are used to con trol the activity of individual function modules Logic outputs are used to report the status and results of function module activity to external control and annunciation devices ASP logic I O specifications are as follows General 5 V Reference Supply provided maximum current is 50 mA total external reference supply may be used allowable VCC range is 5 to 24 V Nomina
51. uments Ltd sales a tech ca www a tech ca Toronto 416 754 7008 Montreal 514 695 5147 Toll Free 1888 754 7008 CONTENTS 1 THE SPS6000 SYSTEM a General Description 1 b Summary of Key SPS6000 Features 3 2 SYSTEM HARDWARE COMPONENTS a Mainframe 1 General Description 5 2 Physical Specifications 6 3 Front Panel Display and Operator Keypad 7 4 Diagnostic oUDU m al an 9 b Selectable Signal Conditioner Cards for Analog Input 9 c Analog Signal Processor ASP Cards for Analog OQOUIPUT ge c 11 d Analog Function Modules La H FOCLCHOH aa 13 2 Model SPS6701 Sum Difference Module 14 3 Model SPS6702 Peak and Track Hold Module 15 a Track and Hold Operation 17 b Peak Capture and Hold Operation 17 c Sample and Hold Operation 20 4 Model SPS6703 Auto Zero Module 21 5 Model SPS6704 Comparator Module 23 MEME EG MOGE RR 24

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