HV-AMP200-5D_1-00_A, 308.9 KB
Contents
1. A 2 Ka Fig 2 The front panel of the high voltage power supply Ol gt D O ale Digitally Controlled HV PSU x 200V 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 16 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS Een SE Rz vu gS 15 SE Ge SS N gt Q Q OI ke O ees aoe O ar o CH an O IN ra O 7 E Kei Oo ue O E EE CG D amp Q O o S gt ab Kan L eo D LL 5 E GN SKS On E 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 17 18 User Manual HV AMP200 5D 5Binstallation INSTRUMENTS Installation To install the high voltage power supply space for a 3 U plug in unit height of about 13 cm in a 19 rack is required The rack must offer a free insertion depth of at least 37 cm Optionally the device may be installed as a bench top instrument Then it requires a space of at least 48 x 37 x 12 cm W x D x H on top of a stable table The de vice weighs about 7 5 kg the mounting in the rack or the table support must guarantee mechanical stability under this load Note that vibra tions or mec2. Page 1 18 HV AMP200 5D INSTRUMENTS High Voltage Bipolar Power Supply Amplifier 5 Channels 200 V Version 1 00 User Manual Document version A created on Feb 18 2015 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 2 18 HV AMP200 5D INSTRUMENTS Contents Safety Information 4 Kent Le alas nenn 5 eet Ee 5 OUTDUT AIM e TC 5 EECHER 5 Vleit ed Ge re 6 Human Interface 20 0 cece cece cc eeceeeeeceeeeeeeeeeeeceeeeeeeeesueeseeeeeneeaes 6 POWER SUID OLY EE 6 Lonnechors nenn nenne nnnnnnnnennnenennenen 7 72192 EE 7 Shipment Contents nnd 8 DESCHPHON BE 9 DEVICE FUNCION ae ee ee ae 9 Embedded safety precautions nennen 11 Control and Indication Elements 12 Rn ler see ee ee eng 12 AC CAG AS ee ee ae 14 IS TAU A UON een ee een 17 Figure List Fig 1 The output connector nenne nnenne nenne nennen 13 Fig 2 The front panel of the high voltage power supply 15 Fig 3 The rear panel of the high voltage power supply 16 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 3 18 HV AMP200 5D Table List gie INSTRUMENTS Tab 1 Pin layout of the output connector saannannnennnnnannaaane 13 CGC Instruments
3. H bschmannstr 18 D 09112 Chemnitz Tel 49 371 355 098 55 Fax 49 371 355 098 60 internet www cgc instruments com 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 before powering it on Warning The device produces lethal voltages Never touch th
4. given by the following expression dU lout an 7 dt u Coad hut is the amplifier s output current for the typical value see the sec tion Technical Data and the test protocol of the particular device Li oeg Is the capacitance attached to the amplifier output Usually the capacitance is given by the bypass capacitors connected to the out puts In some cases the bypass capacitors may be installed in the 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 10 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS device to simplify the experimental setup consult the test protocol of the device for details As an example with a capacitance of 1 uF and a typical output current of 20 mA the slew rate is reduced to about 20 mA 1 uF 20 V ms Thus the full voltage transition from 200 V to 200 V will require about 20 ms Note that the settling time required to reach a certain precision at the output is much longer than the time calculated from the voltage difference and the slew rate In time criti cal application you should experimentally check the voltage transi tions and obtain the settling time necessary for the precision required by your experiment The device contains several precise power supply units The power supply units and the output amplifiers itself are equipped by current li
5. outer sources like a RF genera tor connected to nearby electrodes The monitoring circuits of the output voltages and the high voltage supplies are based on precise analog to digital converters with a reso lution of 16 bits The overall precision calculated from the digital out put control to the digital monitoring is better than 100 mV for all possi ble output voltages The monitoring circuits of the low voltage supplies use simple analog to digital converters with a resolution of 12 bits Us ing the monitored values the device supervises the line voltage and interrupts the function on voltage drops or on permanent undervolt age The USB interface can also be used to rewrite the actual firmware in the controller unit A new firmware can be easily uploaded by the user by a dedicated PC software utility The firmware might be an update with bug fixes or functionality enhancements Upon request new func tions that adapt the device to a particular task can be implemented by the manufacturer Embedded safety precautions The device is equipped with an interlock loop that resets the output voltages to zero if it is opened The terminals of the interlock loop are located at a BNC socket at the rear panel If the device drives elec trodes in a vacuum chamber the interlock terminals should be con ducted to the control system of the vacuum setup To prevent dis charges they should be short connected if the vacuum pressure is CGC Instrume
6. power rating of the mains socket since the power consumption of the device may peak during the startup at about 1 kVA Before powering on the device check the setting of the voltage selec tor at the rear panel Be sure that the setting corresponds to the mains voltage 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 gie Page 18 18 User Manual HV AMP200 5D 5Binstallation INSTRUMENTS Warning A wrong setting of the voltage selector may lead to a per manent damage of the device If already connected disconnect the load and power on the device by toggling the rocker switch Power The power switch will light red and the display will turn on Follow the instructions in the section Quick Setup Guide in the manual of the device controller to take the device in operation If you encounter any problem do not proceed the installation Read this manual and the manual of the device controller carefully Contact the manufacturer if you cannot solve the problem by yourself 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
7. e 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 and unexpected high voltages may be present at the terminals Warning The amplifier is an electronic device that is sensitive to static electricity While manipulating the amplifier the ESD Electro Static Discharge protection rules must be followed Avoid touching the heatsink of the device if the device is running or has just been turned off The heatsink temperature may reach up to 50 C you may suffer burns Warning The device weighs about 7 5 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 H bschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 4 18 User Manual HV AMP200 5D 2BSafety Information INSTRUMENTS Page 5 18 User Manual HV AMP200 5D 3BTechnical Data INSTRUMENTS Technical Data Characteristics e five channel high voltage power supply unit amplifier for heavy ca pacitive loads e DC accuracy low temperature coefficient of the output voltage digital control and monitoring of the output voltages monitoring of amplifier supply voltage and heatsink temperature supply voltage supervising interlock loop microcontroller based controller
8. hanical shocks may lead to microphonic effects thus pro duce voltage spikes at the device outputs The installation area must be kept dry and the temperature and hu midity within the range specified in the section Technical Data Note that dependent on the load the device produces heat during the op eration Avoid exposing the device to direct sun light since this may substantially elevate the device temperature High device temperature may increase the noise and lower the precision of the output voltages or even lead to a thermal shut down if the heatsink approaches the shut down temperature see section Technical Data During the operation only the front panel of the power supply must be accessible Before installing the device in its final position you should install the line cord the interlock connection the output cable and op tionally the LAN cable The heatsink at the rear panel must not be covered or obstructed dur ing device operation it must be provided with sufficiently cool air for passive cooling of the device Take necessary precautions to ensure a sufficient supply of cool air when installing the device in closed racks Use a vacuum cleaner to remove dust from the heatsink Note that large dust layers substantially lower the cooling power of the heatsink thus the device may tend to overheat if the heatsink is extremely dirty To power the device a power mains socket with proper grounding is required Check the
9. he de vice Generally this requires a control by an isolated relay contact If this is not available the middle contact of the BNC socket can be shorted to the device housing i e to the PE wire to close the interlock loop Warning Do not apply an external voltage to the interlock input Al though the input is protected against overvoltage any negative or a positive voltage higher than 5 V may lead to a permanent destruction of the device Tab 1 Pin layout of the output connector CECR e fow output channel2 o fom output channelt o fee around SS E fous Joutputehanneis E J outputchannera For the mains connection an IEC inlet with an EMC filter and an inte grated fuse holder is located at the rear panel Use a standard line cord with the universal IEC mains lead to connect the device to the mains To replace the fuses remove the line cord and open the fuse holder Insert the new fuses 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 H bschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 14 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS Warning Note that a fuse never melts without a reason It may be an extreme voltage spike in the line voltage but also a serious failure of the device A fuse with a lower rating than specified also often do not survive the
10. he operation the device is equipped with a graphic LCD a set of keys and several rotary encoders Consult the section Human Interface in the manual of the amplifier controller to learn more about these control and indication elements Terminals The output terminals are located at the connector Output at the rear panel The connector is a robust Amphenol panel receptacle MS3102R14S 6S with six female sockets for the pin layout see Fig 1 and Tab 1 The connection should be realized by a special set of coaxial cables Contact the manufacturer for available solutions Note that the output terminals are not galvanically connected to the device housing i e to the PE wire The output ground is defined by the shielding of the output cables and should be connected to the me 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 13 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS tallic parts of the vacuum chamber in that the attached electrode sys tem is located or to another reference potential Fig 1 The output connector The figure shows the look on the male pin contacts of the cable plug The connector of the interlock loop is a BNC socket at the rear panel Although it is isolated from the device housing there is no galvanic isolation present The connector has to be shorted to enable t
11. miters to avoid catastrophic damage in case of any failure The de vice with its heatsink is designed to withstand a permanent short cir cuit at all outputs simultaneously The user interface is provided via embedded operating system firm ware running on a microcontroller residing in the amplifier controller unit for details see the separate manual of the controller unit It con trols the graphic liquid crystal display LCD reads the keypad and the rotary encoders and serves the USB and or LAN interfaces Using the interfaces the system can be remotely controlled by several online available utilities or by user software The microcontroller monitors the temperature of the heatsink at the rear panel If the sensor fails or the measured temperature exceeds a certain value the output voltages are reset to zero to prevent addi tional heating The microcontroller further monitors the interlock loop If the circuit connected to the interlock connector is not shorted the output volt ages are reset to zero This measure ensures that in critical situations no lethal voltage can be present at the outputs It also prevents dis charges if the device is connected to a vacuum setup and the interlock loop is opened at high vacuum pressure The amplifiers and the power supplies are linearly operating circuits The power supplies are equipped with a toroidal transformer it pro duces only a weak stray magnetic field The device does not use a
12. nts 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 12 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS sufficiently low To implement a security push button the interlock loop can be additionally interrupted by a switch with a breaking con tact If opened the device will be prevented to produce nonzero volt ages at the outputs The amplifiers and their power supplies are cooled by a heatsink lo cated at the rear panel of the device The heatsink is passively cooled thus the device produces virtually no acoustic noise The heatsink is large enough to prevent overheating even if all outputs are shorted To prevent any catastrophic damage the output voltages are set to zero if the heatsink temperature exceeds the preset level of 50 C see section Technical Data Beside the temperature the device monitors all output and supply voltages In case of any unusual behavior you may check the meas ured parameters through the user interface to locate the failure For more details consult the manual of the amplifier controller Control and Indication Elements All control elements are located at the front panel of the high voltage power supply see Fig 2 Using the rocker switch Power you can power the device on or off When powered on the power switch lights red and the LCD turns on For controlling t
13. ny power switching circuits such as switching mode power supplies or switching amplifiers Further the digital circuits work on moderate fre quencies and are separated from sensitive analog circuits Such de sign leads to a low emission level of electromagnetic radiation and of 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 11 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS conducted digital noise in the output signals As a result the device should not interfere with even high sensitive instruments nearby The digital to analog converters used to control the output voltages are precise converters with a resolution of 16 bits and a low tempera ture coefficient The amplifiers use precise feedback resistors with a tolerance of 0 1 1000 ppm 1 ppt and a low temperature coeffi cients lt 25 ppm K The amplifiers use the auto zeroing technique to optimize their DC precision This leads to a substantial reduction of the offset and drift voltages The AC performance has been optimized to tolerate high capacitive loads while providing a fast response given by the bandwidth of about 5 kHz The ability to drive heavy capacitive loads enables that the output signals can be bypassed by large ca pacitors This is a useful technique to reduce coupling of any high frequency noise to an electrode from
14. startup of the device Further the fuses can blow if the voltage selector is wrongly set In most cases this leads to a destruc tion of the device if a substantially higher line voltage was applied than selected If you replace the fuses and they melt again contact the manufacturer immediately and do not try to replace the fuses again since it strongly indicates a device failure Practical usage The typical output load of the device is an electrode system acting as an electron or ion lens The output voltages are adjustable in the range of 200 V The output current can be as high as 20 mA thus large enough to drive even electrodes which collect high electron or ion currents The output channels can be grouped into two pairs to provide a differ ential control In this case the device allows to control the mean volt age of the particular output pair and the voltage difference between the outputs This is useful for instance if the attached electrodes form a deflection electrode system In this case the mean voltage deter mines the focusing properties and the differential voltage controls the deflection 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 15 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS Channel 3 Channel 4 Charnel 5 BE USB Channel 1 A a k
15. und blue background illumination white LED e keypad 5 keys 4x direction 1x enter e rotary encoders 24 positions per revolution integrated press button one encoder located beneath the LCD for general control 5 encoders for direct control of the output voltages e optional external shutdown button via the interlock loop Power Supply rated voltage 115 230 V 10 50 60 Hz e power consumption standby outputs without load 15 VA maximum outputs fully loaded 40 VA e main fuse T 2 5 A 115 V T 1 25 A 230 V size 5x20 mm slow acting 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 H bschmannstr 18 D 09112 Chemnitz Fax 49 371 355 098 60 e mail info cgc instruments com Page 7 18 User Manual HV AMP200 5D 3BTechnical Data INSTRUMENTS Connectors e data link USB receptacle series B location front panel LAN receptacle RJ 45 location rear panel e output Amphenol MS3102R14S 6S high voltage panel receptacle with 6 female sockets location rear panel e interlock loop 50 O BNC socket location rear panel e mains input IEC inlet location rear panel General e 3 U 19 plug in box height 130 5 mm width 428 mm depth 280 mm total height of the front panel 132 6 mm total width of the front panel 482 6 mm plug in depth incl heatsink 322 mm total depth with heatsink and handles 365 mm co
16. ver and bottom panels side walls rear panel passivated front panel clear anodized e heatsink black anodized extruded aluminum profile at the rear panel height 75 mm width 300 mm depth 40 mm e Operating temperature range 10 40 C e operating humidity 20 to 80 non condensing e weight 7 5 kg e cleaning use moist cloth only avoid use of organic solvents 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 gie Page 8 18 User Manual HV AMP200 5D 3BTechnical Data INSTRUMENTS Shipment Contents e high voltage bipolar power supply HV AMP200 5D e line cord universal IEC mains lead length 1 8 m e 19 rack mounting hardware set of 4 screws caged nuts and washers e control and diagnostic software available online e user manuals available online upon request available e customer specific output cable e BNC cable for the interlock connection e USB cable e LAN cable 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 9 18 User Manual HV AMP200 5D 4BDescription INSTRUMENTS Description The high voltage power supply is a combination of five high voltage amplifiers and five digital to analog converters driven by a controller unit The device is equipped
17. with USB and LAN data interface user friendly graphical interface non volatile memory FRAM to permanently store device setting 19 case Output Amplifiers e five channels e output voltage 200 V e output current gt 20 mA 23 mA typ e signal bandwidth 3dB DC 5 kHz typ e power bandwidth limited by the output current gt 1 kHz w o any load e slew rate gt 8 V us w o load output noise 2 5 MV typ DC to 500 kHz 200 UV typ DC to 10 Hz output accuracy lt 0 2 0 1 typ e temperature coefficient of the output voltage lt 50 ppm K 25 ppm K typ Security e interlock loop BNC socket short circuit enables the amplifier e overcurrent protection output current limiter e overtemperature protection temperature sensor at the heatsink shutdown at 50 C 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 6 18 User Manual HV AMP200 5D 3BTechnical Data INSTRUMENTS Monitoring e output monitoring five 16 bit analog to digital converters sampling rate 2S s accuracy lt 0 2 0 1 typ overall precision lt 100 mV temperature coefficient of the monitoring lt 50 ppm K 25 ppm K typ e supply voltages e temperature at the heatsink and the CPU e interlock loop Human Interface e monochrome LCD display 128x64 pixel pixel size 0 5 mm pixel color yellow backgro
18. with several analog to digital converters for monitoring the output voltages the power supplies and the opera tion temperature It is fit into a metallic 19 plug in box the front panel is shown in Figure 2 The controller unit of the device is described in an individual manual It controls and monitors the amplifiers and their power supplies The function is briefly described in this document for more details please consult its manual Device Function The output voltages are produced by high voltage amplifiers capable to drive heavy capacitive loads The maximum output voltage of each output channel is 200 V each channel can supply a current of more than 20 mA The output ground is common for all five channels but is galvanically isolated from the device housing i e from the PE wire Thus it can be externally connected to a vacuum chamber or any other reference potential without any risk of ground loop Unloaded amplifiers have a power bandwidth of several kHz Typi cally the full voltage transition from 200 V to 200 V or vice versa can be performed within less than 100 us when considering the 10 to 90 transition However the settling time may be as long as several milliseconds dependent on the required precision In the practice the settling time is determined by the amplifier s slew rate that is a result of the limited output current The output current has to recharge the capacitance at the output thus the slew rate is
Download Pdf Manuals
Related Search