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zentrale, verwaltung, entwicklung: vertrieb: fertigung: deutsche bank mnchen internet: http://www.doli.de lieferadresse: postadresse: doli elektronik gmbh doli elektronik gmbh blz 700 700 10, k to 307 52 07 doli elektronik gmbh doli elektronik gmbh mhlstra?e 26 ulmer stra?e 34 mnchner bank eg gesch?ftsfhrende gesellschafter: fraunhoferstrasse 23h postfach 14 02 40 d-55271 stadecken-elsheim d-89584 ehingen blz 701 900 00, kto 20540 ernst ams, michael grupp d-80469 mnchen d-80452 mnchen tel. 06130-944 250 tel. 07391-34 21 gesellschafter: tel. 089-20 243-0 fx. 089-20 243 243 fx. 06130-944 251 fx. 07391-56 80 hrb mnchen 5 24 56 klaus b?ck, rolf grupp e-mail: info@doli.de e-mail: sales@doli.de e-mail: ehi@doli.de ust-id-nr. de 129 329 359 hermann schabel, harald schmid EDC100 external digital controller EDC100 EDC100 on top of a dda04 (500w) /05 (1000w) power amplifier. all electronics you need for a e.g. up to 100 kn testing instrument EDC100 system overview: the EDC100 electronics from doli is a powerful and cost effective system which is designed especially for testing instruments. considering its power and possibilities, the EDC100 is settled above the edc5/25 electronics from doli. the unit distinguishes itself the high load- resolution with 100.000 steps, the bus-system for an extension up to eight option boards and the high cpu capacity for fast controller calculations. the electronics fits for: screw instruments with a specially adapted doli power amplifier for motors of 90 watt, 500, 1000 and 2200 watt. screw instruments with more power are driven by an 10 volt output as well as the necessary control- signals to drive an external power amplifier. hydraulic instrument s, which are driven by a proportional- or servo-valve. the EDC100 electronics can be driven with or without a pc. the casing box version has a local display and function keys for input and to move the instrument. a printer or a pc can be connected optionally.
external digital controller EDC100 , page 2 eed10051.doc ; 21.02.2001 EDC100 cpu data acquisition position controller load controller strain controller dac power supply- control recognition of direction rs 232 with fifo edc 100 on test stop 7 8 9 4 5 6 1 2 9 9 , - f2 f3 f1 keys display 128 x 64 pixel drain valve drive free drive ready 10volt drive / pump on limit switches emergency stop 4 free inputs 4 free outputs calibration contakt option slots brake / stop valve load i0i0i sgs 4etf EDC100 connections diagram definition EDC100 = load resolution 100.000 steps total 140.000 steps, the steps above 100.000 are used for a safe control in case of an overshoot or reaching a limit of the instrument.
external digital controller EDC100 , page 3 eed10051.doc ; 21.02.2001 EDC100 possible system versions: EDC100 as standalone system: display, keys and printer are served from the EDC100. a basic data analysing program is on board. user programs are available for: ?soft materials?, such as rubber, plastic, food etc. ?hard materials?, such as metal, plastics etc. ?concrete materials? as used in the building testing environment. EDC100 the interface to the pc: the system is served completely by the pc. display and function keys are still active at the EDC100. the printer is connected to the pc. in case of a service, the second serial interface is used for communication. the field-service is able to talk to the EDC100 e.g. via a notebook pc. an eprom change as in former days is not necessary. a communication with a directly connected pc and a modem is imaginable.
external digital controller EDC100 , page 4 eed10051.doc ; 21.02.2001 EDC100 possibilities with different testing instruments: f fmax p3 fb p2 ? energie p1 ? dl fmax dl fb load top limit bottom limit strain position motor on test stop 7 8 9 4 5 6 1 2 3 0 , +/- f2 f3 f1 EDC100 version 1: 90w digital position- load- strain-control direct drive of a motor with max. 30 v / 3 a by the pcb, the limit switches have an effect directly to the power amplifier, load resolution 100.000 steps, incremental transducer for x-head travel on test stop 7 8 9 4 5 6 1 2 3 0 , +/- f2 f3 f1 EDC100 f fmax p3 fb p2 ? energie p1 ? dl fmax dl fb dda 04 / 05 / 06 power amplifier load top limit bottom limit strain position motor version 2: 500/1000/2200w digital position- load- strain-control direct drive of a motor with 105 volt 11 a (max. 500 w) or 105 volt 11 a (max. 1000 w) or or 150 volt 15 a (max. 2200 w) the limit switches have an effect directly to the power amplifier, load resolution 100.000 steps, incremental transducer for x-head travel.
external digital controller EDC100 , page 5 eed10051.doc ; 21.02.2001 EDC100 f fmax p3 fb p2 ? energie p1 ? dl fmax dl fb on test stop 7 8 9 4 5 6 1 2 3 0 , +/- f2 f3 f1 EDC100 load top limit bottom limit strain position motor " anybodys" power amplifier +- 10volt u. control i/o version 3: 10v digital position- load- strain-control drive of an external power amplifier with 10 volt, control i/o for drive ?free?, drive ?ready?, drive ?on? and brake. load resolution 100.000 steps. incremental transducer for x-head travel. f fmax p3 fb p2 ? energie p1 ? dl fmax dl fb load position on test stop 7 8 9 4 5 6 1 2 3 0 , +/- f2 f3 f1 EDC100 valve version 4: hydraulic digital position- load- strain-control current controlled drive of a proportional- or a servo-valve, control i/o for drive ?free?, drive ?ready?, pump ?on? and stop and drain- valve, load resolution 100.000 steps. actuator displacement resolution 100.000 steps.
external digital controller EDC100 , page 6 eed10051.doc ; 21.02.2001 EDC100 description: processor: 80386ex cpu 25 mhz flash eprom 256k x 16 with boot-block cmos ram 128k x 16 2 kb eeprom to store machine data serial interface rs232: com1: for pc with fifo max. baud rate 115 kb break recognition and reset com2: debug interface 9600 baud x-head travel: incremental rectangle input with control of ?transducer present? for x-head travel. novram to store x-head position. extension-bus i4: 8 connectors for systems extensions. the first connector is occupied by the load channel. load measurement: the load measurement channel is a module (4etf) on the i4-bus. this 4etf is a carrier frequency amplifier especially for strain gauge and inductive transducers (lvdt). the module also allows dc- signal input. the a/d-converter works on voltage/frequency-transformation and is, therefore, integrating. amplifier and supply carrier frequency 5 khz sinusoidal supply voltage adjustable via software (in veff) 1.1 - 2.5 - 5.5 volt transducer sensitivity adjustable via software 1.16 - 1625 mv / v internal resistance transducer 3 85 w source resistance signal source (cf operation) 1.1 k w source resistance external reference (cf operation) 1.1 k w dc input adjustable via software 5.8 mv - 1.625 v input resistance (dc measurement) > 15 m w common mode range 6.5 v common mode suppression 3 80db, 3 95db, 3 105db (input amplification.: x3.1; x34.6; x387) filter bessel filter 3. degree 100 hz converter type u/f converter resolution at 20 ms integration time 140,000 parts at 250 ms integration time 1,770,000 parts 400,000 p arts reproducible
external digital controller EDC100 , page 7 eed10051.doc ; 21.02.2001 EDC100 linearity of amplifier and converter typical 0.01 % (0.025%max) linearity at saturation of max. 20 % ca. 2 % temperature influence per kelvin (cf measurement) offset 0.001 %/k amplification 0.01 %/k display noise: the value of a connected sensor is allowed to vary non-operative 0.5% from 0.4% of the nominal value (that equals 2 digits at 100,000). conditions: 1. tester non-operative, integration time 100 ms, load cell unloaded. 2. tester runs, integration time 100 ms, load cell no t inside the tester, but connected electrically. transducer coding (sgs) the sensor plug gives the possibility to store information about the connected transducer in an eeprom. this information can be read in at switch on or on request. actuation variations: 10v output internal, for external power amplifiers 10v output to drive external power amplifiers. 24 v control i/o for drive free, drive ready, drive on and brake. 90 watt power amplifier internal 4 quadrant power amplifier ca. 30v, 3a control with a 8 bit pwm-signal (pulse-width-modulation) motor at emergency stop short-circuited via a resistor connection for emergency stop and limit-switches emergency stop and limitswitches are in the current line to the amplifier. if a limit-switch becomes active, it has to be loosen mechanically. 500 watt power amplifier in a separate housing control with 10v from the EDC100 inrush current limitation power amplifier data: i rated /max = 10a/14a v max = 105v maximum power 500 watt pwm = ca. 20 khz current controller brake resistant at output negative feeder of motor energy at braking back into the intermediate circuit is possible; the controller electronics guaranties the safety low voltage pelv from (v< 60v). the power amplifier supply is disconnected at fault (emergency stop, limit-switches etc.) via a conductor.
external digital controller EDC100 , page 8 eed10051.doc ; 21.02.2001 EDC100 1000 watt power amplifier in a separate housing like 500 watt amplifier but: power amplifier data: i rated /max = 10a/14a v max = 105v maximum power 1000 watt 2200 watt power amplifier in a separate housing like 500 watt amplifier but: power amplifier data: i rated /max = 15a/20a v max = 150v maximum power 2200 watt proportional-valve amplifier internal drive of a proportional valve nominal current 300 to 3000 ma. 24 v control i/o for drive free, drive ready, pump on, stop- and drain valve. adjustable dither frequency and amplitude. 4hyd hydraulic servo valve amplifier internal drive of a servo valve nominal current 20 to 100 ma. 24 v control i/o for drive free, drive ready, pump on, stop- and drain valve. adjustable dither frequency and amplitude. relaybox 2 concerning safety regulations for external drive units this box is designed to fit on a top hat rail. all connection to peripheral devices are terminal screws. the box contains a safety relay, to enable an emergency movement in case a limit switch is active. there is also a possibility for an emergency stop from the computer. the box needs an external 24 volt power supply. this box is not needed for the doli 500, 1000 and 2200 watt drives, because the safety relevant functionality are already included. connection of an external emergency contact. connection of the limit switches. relay contact for a break. relay contact for a drain valve drive of a power contactor including safety check of the contactor. connection of drive free signal two drive ready inputs connection of the 10 volt control output eeprom to store data of the drive unit.
external digital controller EDC100 , page 9 eed10051.doc ; 21.02.2001 EDC100 rmc ( r emote m achine c ontrol): handheld unit with cable 3m long, directly connected to the edc. the control keys up, down and stop and a digital poti are on the front. the functions on the rmc and on the equivalent front of the edc are identically. strain extension with 4etf: i4 module; excitation of strain gauge or lvdt transducers; carrier frequency 5khz; a/d conversion 140.000 steps at 20 msec; parameters adjustable via software; the 4etf module can be used for a 10 v input with the same resolution of the a/d converter. (specification see load measurement) optionally a 10 v analogue output is available e.g. to mix this signal with other strain gauge signals at an x-y recorder. sensor plug (sgs): to identify and calibrate transducer as load cells, extensometers etc., a small pcb within a plug case (15 pin sub- d) is available. the advantage is the use of not calibrated e.g. load cells, because the calibration has to be done in house anyway. the calibration along with other data is stored in the plug. the edc reads the data at switch on or at request. the features are : reference bridge to adjust the transducer sensitivity eeprom to store transducer data the cables of the transducer are soldered directly to the pcb. the software to program the eeprom is delivered also.
external digital controller EDC100 , page 10 eed10051.doc ; 21.02.2001 EDC100 extension 4inc: it is used for direct connection of incremental transducers e.g. extensometer. i/o?s allow the control of further equipment e.g. arms and grips of the extensometer. two incremental inputs with digital fourfold of the transducer resolution. each channel can be adjusted within the sensorplug to the transducer. available incremental sensorplugs: 7is1 for one transducer with sine output with an analogue tenfold 7is2 for two transducers with sine output with an analogue tenfold 7it1 for one transducer with ttl output signal 7it2 for two transducers with ttl output signal 7il1 for one transducer with line driver output signal 7il2 for two transducers with line driver output signal besides the signal conditioning there is an eeprom in all of the incremental sensor plugs. transducer specific data and identification data are stored in this eeprom. six 24 volt/100 ma outputs one relays output five 24 volt/11 ma inputs external 24 volt supply signalconditioning channel 1 ( ttl,linereceiver, sine) signalconditioning channel 2 ( ttl,linereceiver, sine) 37 pin subd connector incremental sensorplug. available with one or two signalconditioning. i/ o?s are directly connectet to the subd plug. 4inc interface extension 4io: variation of the 4inc module to control driven grips etc. six 24 volt/100 ma outputs one relays output five 24 volt/11 ma inputs external 24 volt supply
external digital controller EDC100 , page 11 eed10051.doc ; 21.02.2001 EDC100 casing box front : on test stop 7 8 9 4 5 6 1 2 3 0 , -/+ f2 f3 f1 rear: calibration- load x-head pc/printer drive 115 v 230 v contact 9 pin 15 pin 9 pin rmc (ext.keyboard.) 15 pin i/o 0 i dimensions: 255x105x325 mm connections: at the rear via plug-in connection display : lcd-graphics displa y keys: up, down + stop (machine control) 128 x 64 dots numerical- and function keys (value input, programming) digi poti: cross-head/cylinder positioning scroll of display and positioning of data input
external digital controller EDC100 , page 12 eed10051.doc ; 21.02.2001 EDC100 software the edc can be operated as ?stand alone? as well as machine control interface in connection with a pc. the ?stand alone? variant is available either with ?soft-?, ?hard-? or ?concrete-software?. doli also delivers a pc program, which uses the edc as interface. this program is called mtpc ( m aterial t est pc ). only the mtpc software shows the on-line graph on the pc monitor. this mtpc-program is also available for ?soft-?, ?hard-? or ?concrete-?applications. ?stand alone?-software test description ?soft? tension and compression test for plastic and rubber 1 2 3 4 5 fmax f b f dl s at f max s at f b the specimen will be loaded with constant speed up to break. maximum speed ( fmax), break-load ( fb) and the equivalent strain are the results of the test. also, up to 5 points (p1..p5) can be placed either at x or y in the diagram and the program will calculate the corresponding values. the test results will be shown numerically on the display or optionally printed on a printer. tear test for elastomers and equivalent tests f s f 1 f max f min f mean s - test f max the specimen will be loaded with constant speed up to break. the results are: f 1 first load peak f max max. load in the area f min min load in the area f mean mean load in the area the test results will be shown numerically on the display or optionally printed on a printer.
external digital controller EDC100 , page 13 eed10051.doc ; 21.02.2001 EDC100 test description ?hard? compression/tension test for metals (according din50145) determination of maximum- and breakload ( fmax, fb) f dl dl fmax f max f b dl fb the specimen will be torn with a constant speed of load increase until break. the appearing maximum load ( fmax.), break load ( fb) and the equivalent extensions are the test results. offset yield stress rp, rt r dl dl fb break r t r p 0,2% the specimen will be torn with a constant speed until break. the offset yield stress rt and rp will be determined by the software as shown. a fault message appears, if the offset yield stress could not be determined. e-modulus, tensile yield strength reh, rel dl r break a stretch at break a t whole stretch at break r el r eh r m r eh2 r el1 p1 p2 r eh1 r el2 the specimen will be torn with a constant speed until break. the modulus of elasticity as well as the tensile yield strength ( reh, rel) and the stretch at break (a) will be determined. by giving the two parameters p1 and p2, the validity range for the e-modulus gets determined. the e-modulus gets calculated within this range. up to two tensile yield strength (reh1, reh2, rel1, rel2) are detected and calculated by the program.
external digital controller EDC100 , page 14 eed10051.doc ; 21.02.2001 EDC100 test description ?concrete?: pressure test for concrete (din 1048) f f b t the specimen will be loaded with a constant speed of compression stress of 0,5 n/mm 2 /sec (adjustable) up to break. the test speed is calculated from the measured side length of the specimen. calculations are the max. load in n and the compression strength in n/mm 2 . the test results will be shown numerically on the display or optionally printed on a printer. bending tensile test (din 1048) f f b t the specimen will be loaded with a constant speed of bending tensile stress of 0,05 n/mm 2 /sec (adjustable) up to break. the max. load is the bending tensile strength. the test results will be shown numerically on the display or optionally printed on a printer. brasilian test (din 1048) f f b t the specimen will be loaded with a constant speed of compression stress of 0,05 n/mm 2 /sec (adjustable) up to break. the max. load is used to calculate the brasilian test result for cylindrical and rectangular specimens. the test results will be shown numerically on the display or optionally printed on a printer.
external digital controller EDC100 , page 15 eed10051.doc ; 21.02.2001 EDC100 static e-modulus for concrete din 1048 (mtpc only) s o s u a b t t t/2 30 30 time in s the specimen will be loaded and unloaded between s u and s o with a constant speed of compression stress of 0,05 n/mm 2 /sec (adjustable). after the second unload the stress s u will be hold constant for 30s and the values s u and e u will be stored (a). then the specimen will be loaded up to s o , stress s o will be hold constant for 30s and the values s o and e o will be stored (b). now, the specimen will be loaded until break. the modulus in compression will be calculated from the values a and b. the test result can be printed with the mtpc printout record interpreter. statistics edc during the input of test parameters statistical parameters can be chosen at the edc. invalid test results can be cancelled direct after a test, to have valid results in the statistics only. at the end of a series, the statistics get calculated with the function key ?n-series?. the statistic values are: minimum value maximum value mean value standard deviation coefficient of variation statistical values are available at a printer only.
external digital controller EDC100 , page 16 eed10051.doc ; 21.02.2001 EDC100 pc-software edpc- programm edpc is a universal pc program, able to display, store and print measurement values, test parameters and test results. the testing hardware (e.g. edc of doli; munich) transfer data via a serial interface to the pc. the data transfer happens in direction to the pc only, i.e. the edpc program does only ?listen?. it has no influence on the test course and evaluation. edpc is not restricted to definite tests. it works with each test, that transfers its data to the pc, according to the edpc interface! by that, the edpc does also fit for tests, which haven?t been realised until now (edpc interface description in chpt. ?edpc interface?). the edpc is able to: display the test heading, store any test parameter into the ascii log files, display measurement values, channel denotations and dimensions of 6 measuring channels, show them in graphics and store them into ascii measurement value files, display test results and store them into ascii log files, print stored log files, show stored measurement files in graphics, format ascii files in a manner, that they can be worked on by standard software (e.g. list calculation). it is very simple to use the edpc. of course, it contains on-line helps and the actual function key description. win mtpc software for nearly all kind of materials we have special software. in addition with the blockprogramm is is possible to drive the instrument in all directions, controls, time delays, etc. etc. ask for your application to get the special brochure for your test requirements. doli oem products are compatible amongst themselves! if you have developed (or adapted your existing) software to a doli electronics system once, you can connect to a new doli product very fast. edc5, edc25, EDC100 and the following products. you choose the desired electronics with the exact resolution and the exact price for the exact application for your best profit

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