piezosystemjena NV120/1 Instruction Manual Download Page 27

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Geschäftsführer: Dr. Bernt Götz • Telefon 03641/66880 • Fax 03641/668866 • www.piezojena.com

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Summary of Contents for NV120/1

Page 1: ... manual voltage amplifier NV40 3 NV40 3CLE NV120 1 NV120 1CLE Bitte lesen Sie sorgfältig die Bedienungsanleitung vor dem Einschalten des Gerätes Beachten Sie bitte insbesondere die Sicherheitshinweise Read carefully before switching on the power Please see also instructions for safety when using piezoelectric actuators and power supplies ...

Page 2: ...ith integrated feedback controller 39 7 3 3 amplifier without integrated feedback controller 39 7 4 initiation 39 7 4 1 main supply voltage 39 7 4 2 connecting piezo actuator 40 7 4 3 graphic display NV40 3 NV40 3CLE 40 7 4 4 graphic display NV120 1 NV120 1CLE 40 8 handling 41 8 1 manual control 41 8 2 controlling via modulation monitor 41 8 2 1 modulation 41 8 2 2 monitor NV40 3CLE NV120 1CLE 41 ...

Page 3: ... additional information regarding piezoelectric products definition All systems from piezosystem jena such as electronics actuators and optical systems are called units If you have any problems please contact the manufacturer of the system piezosystem jena Pruessingstrasse 27 07745 Jena phone 49 3641 6688 0 2 certification of piezosystem jena The company piezosystem jena GmbH has been certified by...

Page 4: ...m 31 This instruction manual includes important information for using piezo actuators Please take time and read this information Piezo positioning systems are mechanical systems with highest precision Correct handling guarantees the precision over long time 3 declaration of conformity ...

Page 5: ...acceleration of the ceramic material e g caused by fall down discharging or high dynamic application will occur After excitation of the actuators by a voltage in the upper control range the ceramic will move and generate an opposite high voltage after disconnection Heating of the ceramic material will occur during dynamic operation and is caused by structure conditional loss processes This may cau...

Page 6: ...th the units only in a clean and dry environment Only specially prepared units e g actuators can work under other conditions Please use only original parts from piezosystem jena piezosystem jena does not give any warranty for damages or malfunction caused by additional parts not supplied by piezosystem jena Additional cables or connectors will change the calibration and other specified data This c...

Page 7: ...or power sockets Do not place any heavy objects on any cables e g power cords sensor cables actuator cables optical cables Do not block ventilated openings or place the units near a radiator oven or other heat sources Do not put anything on top oft he units except those that are designed for that purposes e g actuators Plug the power cord completely in the grounding equipment conductor power socke...

Page 8: ...rior box using a firmly wrung out cloth Do not use alcohols benzene paint thinner or other inflammable substances If flammable substances come into contact with an electrical component inside the voltage amplifier this may result in a fire or electrical shock 6 4 environmental conditions The amplifier can be used indoor altitude up to 2000 m temperature 5 35 C relative humidity 5 95 non condensing...

Page 9: ...o amplifier for one PZT actuator RS232 USB interface for piezo actuating system with feed back sensor inside strain gauge or capacitive 7 1 key words GRAPHIC DISPLAY dimmable 3 5 TFT full colour graphic 320x240 Pixel constantly shows all values and status information ENCODER KNOB for manually voltage or position adjustment and for switching on off the CLOSED LOOP mode NV40 3CLE only CLOSED LOOP op...

Page 10: ...sor Identification NV40 3CLE NV120 1CLE amplifiers can be used with strain gauge feed back sensors as well as with capacitive feed back sensors The ASI function makes it possible to show the name of the actuator and the measurement system Soft Start Initialization after turning on procedure During initialization sequence the piezo electrical actuator is controlled for approximately 10 seconds with...

Page 11: ... designed for controlling only open loop actuating systems without any feedback sensor inside The NV40 3CLE and NV120 1CLE are designed for piezo actuating system with strain gauge or capacitive feed back sensors inside In this case the sensor signal is prepared by an external pre amplifier inside the cable The Automatic Sensor Identification ASI enables the customer to use the amplifier NV40 3CLE...

Page 12: ...s If an actuator is connected to a channel of the amplifier NV40 3CLE which it was not calibrated with it won t be possible using in closed loop Please note that the information about the operation mode closed loop open loop are automatically stored if the system is switched off When it is switched on again the last operation mode is set again The system starts automatically at the zero position 7...

Page 13: ...used PZT If the display shows the information NOT CONNECTED please check the connection between PZT connector and amplifier again Please note during initialization procedure the operation of the unit is disabled 7 4 3 graphic display NV40 3 NV40 3CLE The graphic display shows the following status information 7 4 4 graphic display NV120 1 NV120 1CLE The graphic display shows the same status informa...

Page 14: ...l of the encoder and the signal of the modulation input are added finally The sum of both voltages must be in range between 0 and 10 Volts Voltages outside oft he permissible field are signaled by UDL or OVL An adapter cable with BNC to D SUB connector is included The modulation is marked on the back panel by MOD MON By using an external modulation signal in open loop mode 0V correspond to a value...

Page 15: ...m and maximum depends of motion range monwpa x 2 In open loop the monitor provides a voltage signal of 0V up to 10V which corresponds to the voltage signal applied to the piezo actuator The monitor output follows the characteristic curve shown in diagram 1 In closed loop the monitor output provides a voltage signal which corresponds directly to the position of the piezo actuating system Shown in d...

Page 16: ... WINDOWS HyperTerminal isn t a part of Microsoft WINDOWS since WINDOWS VISTA is launched By using the USB interface please install the necessary driver which is supplied on a CD Rom with the amplifier unit or which is available for download on our web site in the area download publications The installation procedure is explained in the PDF file Treiberinstallation_NV40_3_NV120_1 pdf The supplied V...

Page 17: ...t function for the given channel fready enables the soft start function for all channels encmode encoder mode EN enctime encoder sample interval SI enclim encoder maximum step encexp encoder exponent for calculation of acceleration EM0 encstol encoder interval for open loop EM1 2 encstcl encoder interval for closed loop EM1 2 ver gives the version number of controller and amplifier software ERR sh...

Page 18: ... set call set ch wert example set 0 5 53 answer none set the position of the actuator to the given value In closed loop only CLE the value is 5 53 µm In open loop the value means 5 53 V The command set sets a channel ch to the given value value In closed loop the value means µm In open loop the value means the voltage which is applied to the actuator Please pay attention that the remote control ha...

Page 19: ...ftware version number of the internal controller the date and the serial number of the amplifier command ERR call ERR example ERR answer ERROR last error ERROR OK No error The command ERR gives the last failure from the controller After read out the error from the controller the failure status in the memory will be deleted The output of the error message occurs as plain text command fready call fr...

Page 20: ...een adjusted to light 0 before Please read out the value by input command light and change the value if necessary 8 3 4 examples example 1 This example shows the sequence of the commands to move the actuator on channel 0 with the NV40 3CLE from the minimal position 0 µm to 10µm channel 1 is set in open loop to 90Volts and channel 2 is set to closed loop to position 20 5µm command response content ...

Page 21: ...he mode EM The actuator will be charged with this calculated value EncIncre will be clear the encoder and the procedure start again The values of the encoder can be analyzed by 3 different modes EM normal with acceleration EM0 calculation deltaValue deltaValue EncIncrEncExponent adjustable interval EM1 calculation deltaValue deltaValue EncStep adjustable interval with acceleration EM2 calculation ...

Page 22: ... set to 3 adjustable interval with and without acceleration EM1 2 call encstol 0 001 150 000 example encstol 1 000 answer none the step size for open loop is set to 1V The numerical resolution of 1mV will be not achieved due to the resolution of the DAC of 16 bit The real step size is approximately 3mV call encstcl 0 001 100 000 example encstcl 0 001 answer none the step size for closed loop is se...

Page 23: ... measuring system voltage open loop 0 to 10V measuring system voltage closed loop monitor output MON NV40 3 NV120 1 D SUB25pin output impedance 100Ω 0 to 10V equates to actuator voltage 20 to 130V closed loop control PID analogue switched on off by pushing the encoder knob for CAP und SG sensors dimensions w x h x l 210mm x 88mm x 240mm mass 2 1kg interface RS232 D SUB9pin USB 1 1 converter resolu...

Page 24: ...ing With the modulation an analogue signal is served to the amplifier The monitor shows the response of the system also as an analogue signal pin description 1 modulation channel 1 14 Ground 2 monitor channel 1 15 Ground 3 MOD MON difference channel 1 16 Ground 4 n c 17 n c 5 modulation channel 2 18 Ground 6 monitor channel 2 19 Ground 7 MOD MON difference channel 2 20 Ground 8 n c 21 n c 9 modula...

Page 25: ... connector NV40 3CLE NV120 1CLE 8 5 4 USB 1 1 pin description explanation 1 VCC supply voltage 5V 2 D Data 3 D Data 4 GND Main power supply ground Chart 9 USB connector NV40 3CLE NV120 1CLE 8 5 5 main supply voltage The NV40 3 NV40 3CLE NV120 1 and NV120 1CLE needs 24VDC and require at least a current of 2 5A The 2 1mm barrel connector has the following layout A wide range power supply 100 240VAC ...

Page 26: ...the main power switch on the back side Please check if the main power module pluged in indicated by a LED dispaly shows not connected Please check if the actuator is pluged in and the connector fixed by the screws correctly Please check all cables and connectors for any damage The UDL or OVL sign flashes during open loop mode Check the value oft he Offset High modulating voltage overdrives the amp...

Page 27: ...Geschäftsführer Dr Bernt Götz Telefon 03641 66880 Fax 03641 668866 www piezojena com 54 10 your notes ...

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