HV-PA150-2D_1-10_A, 826.3 KB
Contents
1. PSLOSyJSAQ paywoayssag JO J yndwy YSZ MOD XD o o YOY JO UU Dal ndino ndino aJno ub SE yoda Q nduj 43861 AECH VG AQSL AOL Jaynduy Jemod payesjuog 1GuDg internet www cgc instruments com 49 371 355 098 55 Fax 49 371 355 098 60 Tel CGC Instruments info cgc instruments com e mail Hubschmannstr 18 D 09112 Chemnitz Page 16 17 User Manual HV PA150 2D Rev 1 10 Installation INSTRUMENTS Installation To install the power waveform generator a space of at least 45 x 65 x 30 cm W x D x H on top of a stable table is required The device weighs about 30 kg the supporting surface must guarantee mechanical stability under this load The installation area must be kept dry and the temperature within the range specified in the section Technical Data Note that significant amount of power is turned into heat during the device operation Avoid exposing the device to direct sun light since this may substantially elevate the device temperature During operation only the front panel of the power waveform genera tor must be accessible Before installing the device in its final position you should install the line cord it is connected to the IEC inlet on the rear panel The heatsink at the rear panel must not be covered or ob structed during device operation it must be provided with sufficiently cool air for active cooling of the device2. Page 1 17 HV PA150 2D Rev 1 10 IN STRUMENT High Voltage Power Waveform Generator for Driving Piezoelectric Actuators Version 1 10 User Manual Document version A created on Jul 09 2014 CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com H bschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 2117 HV PA150 2D Rev 1 10 INSTRUMENTS Contents Safety INTOMMAUN ease en 4 Technical WALA ME 5 NEE 5 PAWN OTM OR eege 5 SLE e D D hee cers AE TEA A E IE E N EE T eawmnerte 5 alle Let EE 5 Vleit e idee EE 6 Human ie 6 Seele EE 6 EE 7 Shipment Contents 7 GS CHOU ON WEE 8 SEIS CN 8 Power amplifier ee 8 Embedded safety precautions ccccccccsseeeeeseeeeeseeeeeesaeeeeeens 10 Control and Indication Elements 11 lf Er n ais TEE 12 Bue le E 13 IAS Tall AON WE 16 Electromagnetic interference filter 17 CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 3 17 HV PA150 2D Rev 1 10 IN TRUM ENTS Figure List Fig 1 The scheme of the complete experimental setup 9 Fig 2 The output connector cccccceeeeceeeeeceeeeeeeeeeeseeeeseneeesees 13 Fig 3 The front panel of the power waveform generatot 15 Fig 4 Snapshot of the EMI filter unt 17 Table List Tab 1
3. Pin layout of the output connector cccceeeceeeeeeeees 14 CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Safety Information e The device may be installed and used by authorized and instructed personnel only Read this manual carefully before installing and us ing the device Always follow the safety notes and warnings in this manual e The device is designed for indoor dry laboratory use only Before powering the device on the device temperature must accommodate to the ambient temperature to avoid moisture condensation Take this into account when setting up the device after transporting it e Do not operate the device if it is damaged or not functioning prop erly Never use damaged cables or accessories e Do not open the device case install replacement parts or perform modifications to the device There are no user serviceable parts in side To avoid damage connect the line cord to a properly wired and grounded receptacle only Be sure that the mains voltage and the fuse rating match the device specification Never operate the device during electrical storms e Never use corrosive or abrasive cleaning agents or polishes avoid the usage of organic solvents If necessary clean the device with a soft moist cloth Make sure that the device is completely dry and free from contaminants be
4. Take necessary precautions to ensure a sufficient supply of cool air when installing the device in closed racks Inspect and clean the fans at the heatsink regularly Use a vacuum cleaner to remove dust from the fans and from the heatsink Large dust layers substantially lower the cooling power of the heat sink the device may overheat if the heatsink is extremely dirty Also the lifetime of dirty fans may be significantly shortened To power the device a power mains socket with proper grounding is required Check the power rating of the mains socket since the peak power consumption of the device may be as high as 1 6 kVA Before powering on the system read the user manual carefully If already connected disconnect the load and power on the device by toggling the rocker switch Power The LED above the power switch will light green and the display will turn on The LED Interlock will in dicate the state of the interlock loop When the device startup com pletes the other LEDs should be inactive If the device behaves prop erly proceed with installing the waveform generator as described in the manual of the waveform generator Please consult the manual in case of any discrepancy with this de scription Should that not resolve the problem contact the distributor or the manufacturer CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail in
5. tional speed of the fans is rather low With heavy output loads the heatsink temperature increases and the fans are controlled to rotate faster Under certain conditions the cooling power of the device is not sufficient and the power semiconductor devices could overheat This CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 11 17 User Manual HV PA150 2D Rev 1 10 Description INSTRUMENTS may happen if the output is overloaded or even shorted if the ambient temperature is high or if one of the fans fails To prevent this from happening the amplifier is deactivated if the temperatures exceed a preset level Control and Indication Elements All control elements are located on the front panel of the power wave form generator see Fig 3 Using the rocker switch Power you can power the device on or off When powered on the LED above the power switch lights green and the display turns on The On Off push button activates or deactivates the amplifier When deactivated the power supply of the amplifier is turned off and each output terminal is shorted by a 12 Q resistor to ground When acti vated the power supply is turned on the LED Amplifier Activated lights green The LED Interlock shows the state of the interlock loops It lights yel low if both interlock loops are closed When one of
6. 10 Description INSTRUMENTS the setting procedure is described in the manual of the waveform generator Human Interface The power waveform generator is equipped with a graphic liquid crys tal display LCD a set of keys keypad and a rotary encoder The keys are arranged in a circle symbolizing the key function There are four direction keys left right up and down and a middle key for confirmation or selection enter The keys are used for menu navigation for selecting dialog items or for changing various values The function of the keypad in every de vice state is symbolized on the LCD immediately above the keypad A text describes the function of the middle key alternatively just the symbol elt is displayed showing that the middle key can be used Similarly arrows show which of the keys has an influence on the op eration in the current state When a menu is active the vertical direc tion keys are used to change the current selection The right direction key as well the middle key opens a submenu provided it is available The left direction key closes the submenu or the main menu if there was no opened submenu The middle key selects the menu item and launches the corresponding action The rotary encoder is used to change numerical values or select items The function of the encoder is symbolized on the LCD immedi ately above the encoder knob in every device state In most situations the encoder uses an enh
7. D display 128x64 pixel pixel size 0 5 mm pixel color yellow background blue background illumination white LED e keypad 5 keys 4x direction 1x enter e rotary encoder 24 positions per revolution integrated press button e press button for amplifier activation e optional external shutdown button via the interlock loop Power Supply e rated voltage 230 V 10 50 Hz e inrush current limited to 3 6 A e power consumption standby amplifier deactivated 25 VA amplifier activated but without signal 40 VA maximum 350 VA peak 1 1 kVA main fuse T 4 A slow acting size 25x20 mm e mains connection IEC inlet with EMC filter and integrated fuse holder CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 7 17 User Manual HV PA150 2D Rev 1 10 Technical Data INSTRUMENTS General e 6 U 19 bench top case height 266 mm width 448 mm depth 480 mm total depth with heatsink fans and handles 650 mm total height with case feet 280 mm side panels black lacquered cover and bottom panels silver gray painted front and rear panels clear anodized e heatsink black anodized extruded aluminum profile at the rear panel e forced cooling four 120 mm fans at the heatsink temperature dependent regulation of the fan speed monitored fan operation warning on fan failures e weight 27 5 kg e clea
8. anced speed control This enables you to set precisely any desired value or rapidly make large changes since the value steps are proportional to the rotational speed of the encoder You can change the corresponding value in small steps when you ro tate the encoder slowly or make large changes when you spin the en coder knob rapidly To set large numbers the encoder speed can be further increased by pressing the direction key left If this feature is available the left arrow is shown above the keys In some situations the encoder s push button is used to confirm the selected value or to switch the encoder function In such cases the symbol I is shown on the LCD above the encoder knob For more details about the operation see the manual of the waveform generator CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 13 17 User Manual HV PA150 2D Rev 1 10 Description INSTRUMENTS Terminals The output terminals are located in the connector Output The filter unit and the actuator use the same connectors with the same pin lay out The connector is a robust LEMO socket with two high voltage pins for the pin layout see Fig 2 and Tab 1 The amplifier output is connected to the two high voltage pins The middle pins are con nected to the protection ground of the device wire PE they can be used to gr
9. e EMI filter unit CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com
10. er low The power supplies are equipped with toroidal transformers these produce only a weak stray magnetic field Due to the low electromagnetic radiation the de vice should not disturb even sensitive instruments located in the prox imity of the device Embedded safety precautions The system is equipped with two interlock loops that disable and short the output if any of them is opened The terminals of the interlock loops are located at the output connector They are typically fed by the output cables to the filter unit and to the actuator where they are either short connected or wired to an emergency push button or switch with a breaking contact The output is disabled if the output cable is dis connected or broken or if the emergency push button or switch is ac tivated Le opened The system is also fit with a circuitry that scans the temperature measured by an external Pt1000 sensor This sensor is typically lo cated at the actuator The amplifier output is disabled if the sensor temperature exceeds a preset value thus prevents overheating of the actuator and avoids its permanent damage The amplifier and its power supplies are cooled by a large heatsink located at the rear panel of the device The heatsink is actively cooled by four fans The fans are controlled by the temperature of the power semiconductor devices Thus in the standby state with disabled out put the device produces only minimal acoustic noise since the rota
11. fo cgc instruments com Page 17 17 User Manual HV PA150 2D Rev 1 10 Electromagnetic interference filter NS TR UM ENTS Electromagnetic interference filter The electromagnetic interference filter unit EMI filter unit herein later consists of circuits that suppress or block any unwanted disturbing signal It completely decouples the power amplifier from the actuator at high frequencies thus prevents that any high frequency noise may arrive the actuator see Fig 1 The unit is intended to be used as a feedthrough to the experiment room The filter unit is connected to the power amplifier and to the piezoelec tric actuator by LEMO sockets on each side for the pin layout see Fig 2 and Tab 1 The side that has to be connected to the amplifier is clearly denoted on the front panel see Fig 4 Warning The connector is robust and safe it is however forbidden to approach any contact before you ensure that the voltages at all pins are within safe limits Use only suitable cables for connecting the unit The cables are in cluded in the shipment The cables are interchangeable they are however tailored for the particular side of the unit due to their different length The length of the cables can be specified by the customer to match the distances of the particular location Warning Do not use damaged or self made cables Do not fix or re place damaged cables contact the manufacturer instead Fig 4 Snapshot of th
12. fore powering it on Warning The device produces lethal voltages Never touch the out put terminals even if the device is powered off The device is equipped with several protection features that eliminate the risk of contact with a high voltage This protection however may fail in case of a fault and unexpected high voltages may be present at the terminals Warning The amplifier is an electronic device that is sensitive to elec trostatic electricity While manipulating with the amplifier the ESD Electro Static Discharge protection rules must be kept in mind Warning If the LED Amplifier Overheated lights avoid touching the heatsink of the device Warning If the LED Actor Overheated lights avoid touching the ac tuator Warning The device weighs about 30 kg Use an appropriate carrier when transporting and provide a stable support for its operation CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 4 17 User Manual HV PA150 2D Rev 1 10 Safety Information INSTRUMENTS Page 5 17 User Manual HV PA150 2D Rev 1 10 Technical Data INSTRUMENTS Technical Data Characteristics e high voltage amplifier for heavy capacitive loads e 19 case Amplifier e output connector LEMO ERA 4S 737 CLL panel socket with 2 high voltage pins output voltage 10 150 V 2 symmetrical outputs w
13. ina tion When you use longer cables to connect the trigger signal prove CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 14 17 User Manual HV PA150 2D Rev 1 10 Description INSTRUMENTS the signal quality for overshoots and ringing If the signal quality is poor use an external termination resistor of 50 Q and check the signal quality again Note that especially ringing caused by fast signal transi tions may prevent the trigger input from the proper function Tab 1 Pin layout of the output connector Pn Sra pesoi SOS e pE Protective For the mains connection an IEC inlet with an EMC filter and inte grated fuse holder is located on the rear panel Use a standard line cord with the universal IEC mains lead to connect the device to the mains To replace the fuse remove the line cord and open the fuse holder Insert the new fuse close the fuse holder and connect the line cord back to the IEC inlet CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com NS TIKUNM ENT S User Manual HV PA150 2D Rev 1 10 Description Page 15 17 JOJEJOUSH WIOJBACEM JOMOd oun JO j ued uo BU e BI asi 3440 40 i P2 DAIIV 420 J8 U Guy
14. ith 5 75 V and 5 75 V switchable offset 70 V 35 V e output current gt 3 A continuous gt 5 A pulsed signal bandwidth DC 8 kHz without load DC 6 5 kHz with a load of 70 uF e power bandwidth limited by the output current gt 100 Hz with a load of 70 uF e output noise 20 MVpp Security e interlock loop three pins at the output connector short circuit enables the amplifier e overcurrent protection output current limiter e overtemperature protection temperature sensors at the heatsink temperature sensor Pt1000 at the actuator shutdown and restart temperatures freely programmable Trigger e input switchable between TTL and optical e TTL input connector isolated BNC socket levels Low lt 0 8 V High gt 2 0 V input impedance 51 kQ internal pull down precision better than 50 ns e optical input connector according Versatile Link standard precision better than 200 ns CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 6 17 User Manual HV PA150 2D Rev 1 10 Technical Data INSTRUMENTS Monitoring e monitor outputs two 50 Q BNC sockets attenuation 1 10 internal impedance 9 KQ parallel with 185 pF e LEDs Power Amplifier Activated Interlock Fan Failure Amplifier Overheated Actor Overheated e supply voltage monitoring Human Interface e monochrome LC
15. lease consult the manual of the waveform generator Power amplifier The power amplifier is able to provide an output power of about 350 VA to loads with a large capacitance The amplifier stability has been tested with capacitive loads of up to 100 uF The output termi nals produce voltages symmetric with respect to ground The output voltage at each terminal ranges from 5 to 75 V for the positive ter minal and 5 to 75 V for the negative terminal respectively i e the resulting total output voltage is nearly unipolar and may be as high as 150 V The typical output load of the device is a piezoelectric actuator the amplifier has been optimized to drive the actuator PAHL 180 20 pro duced by Piezosystem Jena GmbH For operation with the actuator the amplifier produces an offset voltage that equals half of the maxi mum amplitude The offset voltage corresponds to a zero signal of the waveform generator The total amplifier s output voltage decays to 10V or rises to 150 V if the output of the waveform generator reaches the negative or positive maximum respectively CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page CIGIC 9 17 User Manual HV PA150 2D Rev 1 10 Description INSTRUMENTS To check the output signal of the amplifier two monitor outputs are available They provide a 10 times atten
16. ning use moist cloth only avoid use of organic solvents Shipment Contents e high voltage amplifier HV PA150 2D Rev 1 10 e line cord universal IEC mains lead length 1 8 m e EMI filter unit e two output cables with connectors LEMO ERA 4S 737 CLL e control and diagnostic software e user manual CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 8 17 User Manual HV PA150 2D Rev 1 10 Description INSTRUMENTS Description General This document describes a power waveform generator and an elec tromagnetic interference filter A complete measurement system suited for driving piezoelectric actuators consists of the abovemen tioned components of connection cables and of a piezoelectric actuator see Fig 1 The power waveform generator is a combination of a high voltage power amplifier with a dedicated power supply unit and a programma ble digitally controlled waveform generator It is fit into a metallic 19 case the front panel is shown in Fig 3 The waveform generator and the actuator are described in individual manuals see the device homepage at www cgc instruments com AF RF HV PA150 2D The waveform generator contains beside its intrin sic function also control and monitoring circuits of the power amplifier The function of them is briefly described in this document for more details p
17. ound the actuator Three pins of the output connector are used for the interlock loops they must be shorted in order to enable the amplifier The next pin pair is used for the connection of the actua tor temperature sensor The connection should be made by a coaxial cable 2 4 3 Fig 2 The output connector Left the panel socket female right the cable plug male For monitoring purposes the output voltage is attenuated by a pas sive attenuator and is connected to the BNC sockets Output Monitor The connector labeling corresponds to the output terminals The digital trigger signal can be connected either to the isolated BNC socket as a standard TTL signal or the optical input according the standard Versatile Link can be utilized Using the toggle switch Trig ger Input the desired input can be selected The switch has three positions in the middle one both trigger inputs can be used simulta neously the system is triggered by the active one The optical input provides the best isolation between the trigger source and the power waveform generator thus should be preferably used However the BNC trigger input is galvanically isolated from the device too so that there is no risk of ground loops even with this input Take care about the proper termination of the connected cable In contrary to that the TTL trigger input is equipped only with a weak pull down resistor of 51 KO thus does not provide any signal term
18. the loops is open the LED Interlock is off and the amplifier cannot be activated The LED Fan Failure lights red if one of the fans fails The device continues to operate you should however replace the fan as soon as possible You can locate the defective fan by opening the dialog box for fan monitoring on the LCD see the manual of the waveform gen erator for more details The LED Amplifier Overheated lights red if one of the power semi conductor devices of the amplifier or of the power supply units reaches the critical temperature When the LED lights the amplifier cannot be activated The temperature threshold is internally set you cannot change it You can check the current temperatures by opening the dialog box for temperature monitoring on the LCD see the manual of the waveform generator for more details In case of overheating you can locate the device part that caused the temperature rise in the abovementioned dialog box for fan monitoring The LED Actor Overheated lights red if the temperature sensor at the actuator reaches the critical temperature When the LED lights the amplifier cannot be activated The temperature threshold can be modified and the actual temperature can be monitored on the LCD CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 12 17 User Manual HV PA150 2D Rev 1
19. uated voltage of the corre sponding output terminal The internal impedance of the monitor out HV PA150 2D Trigger Waveform AA Generator and Controller control amp monitoring Power Amplifier Kee S Amplifier Cabl S x Amplifier Cable SISIE Gmtyp S ol D EI L 2 S EMI lH Filter aa Actuator Cable Experiment 7m typ Controller Piezoelectric a Actuator feste emergency Pt1000 switch control amp data acquisition Fig 1 The scheme of the complete experimental setup CGC Instruments Tel 49 371 355 098 55 internet www cgc instruments com Hubschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 10 17 User Manual HV PA150 2D Rev 1 10 Description INSTRUMENTS puts is about 9 kQ You can connect it to an oscilloscope with an input impedance of at least 1 MQ You should use short cables only since the cable capacitance influences the frequency response of the at tenuator With a typical 50 Q cable of 2 m length the additional ca pacitance is about 200 pF Thus the circuitry behaves approximately as a low pass filter with a cut off frequency of 1 211 9 kQ 385 pF 45 kHz The amplifier and its power supplies are linearly operating circuits Since the device does not use any power switching circuits such as switching mode power supplies or class D amplifiers the emission level of electromagnetic radiation is rath
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