NPC3 & NPC3SG User Manual
Contents
1. Pin Description 1 Modulation channel 1 2 Monitor channel 1 3 MOD MON difference channel 1 4 Not connected 5 Modulation channel 2 6 Monitor channel 2 7 MOD MON difference channel 2 8 Not connected 9 Modulation channel 3 10 Monitor channel 3 1 13 11 MOD MON difference channel 3 N 12 Not connected te o J av 13 Not connected 14 25 14 Ground 15 Ground 16 Ground 17 Not connected 18 Ground 19 Ground 20 Ground 21 Not connected 22 Ground 23 Ground 24 Ground 25 Not connected GO Newport Experience Solutions EDH0237En1020 01 12 16 NPC3 amp NPC3SG Piezo Controllers 8 3 84 8 5 Sub D9 Femal Connector for RS 232 USB1 1 Connector Main Supply Voltage Connector Pin Description Explanation 1 Not connected 2 TxD RS 232 Transmitter 3 RxD RS 232 Receiver 4 6 Bridge 5 GND RS 232 Ground 7 8 Bridge 9 Not connected Pin Description Explanation 1 VCC 5 V Voltage supply 2 D Data 3 D Data 4 GND Main power supply ground NPC3 and NPC3SG need 24 VDC and require at least a current of 2 5 A The 2 1 mm power plug of the NPC3 and NPC3SG controller has the following layout Pin Description 24V Center 24 VDC Outer Ground w Ground 17 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers 9 0 Troubleshooting2. EDHO237En1020 01 12 NPC3 and NPC3SG recognizes possible failure causes e g out of control range or over temperature kommen wie z B Regler berlauf oder Temperatur berschreitung Both devices sends in this case an error to the host This error code has the structure ERROR FWch0 FWch1 FWch2 Specific errors are hexadecimal coded as described in the table below Bit Description 0 Actuator not connected 1 Short cut in the actuator 12 Controller underflow 13 Cotroller overflow 14 Wrong actuator 15 Over temperature 2 3 4 5 6 7 8 9 10 11 Reserve Frequently error states below and the handling for trouble shooting are described in table Error Troubleshooting No response after power on Check that the power line is correct connected and the line switch is on Check the wall power supply green LED is on Not connected is visible for one or more channels Check the correct connection between actuator and amplifier Check the interface line cables are not harmed UDL or OVL flashes in closed loop mode CL Controler overflow mayby actuator and or load are blocked or the actual load deviated from the original calibration Please contact our service if you are not shure what is to do Actuator is not stable in closed loop e g oscillations Maybe load is different from the load in the orginal calibration please check the load Plea
3. will occur CAUTION 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 CAUTION Heating of the ceramic material will occur during dynamic operation and is caused by structure conditional loss processes This may cause failure if the temperature exceeds specified values cited below CAUTION The piezoelectric effect disappears at temperatures above the Curie temperature usual values approx 140 250 C OD Newport Experience Solutions EDH0237En1020 01 12 x NPC3 amp NPC3SG Piezo Controllers AD Newport Experience Solutions CAUTION Piezoelectric actuators such as stacks or other devices work electrically as a capacitor These elements are able to store electrical energy over a long period of time up to some days and the stored energy may be dangerous CAUTION If the actuator remains connected to the drive electronics it is unloaded within a second after shutdown and quickly reaches harmless voltage values CAUTION Piezo actuators can generate voltages by warming or cooling only caused by the longitudinal change The discharge potential should not be ignored due to the inner capacitance This effect is insignificant at usual room temperature CAUTION Piezo actuators from Newport are adjusted and glued Any opening of the unit will cause misalignment
4. may cause electric shock fire or equipment failure WARNING Do not place any heavy objects on any cables e g power cords sensor cables actuator cables optical cables Damage may cause malfunction or shock or fire WARNING Do not place the units on a sloping or unstable cart stand or table as they may fall or not work accurately WARNING Work with the units only in a clean and dry environment Only specially prepared units e g actuators can work under other conditions WARNING Please use only original parts from Newport WARNING Newport does not give any warranty for damages or malfunction caused by additional parts not supplied by Newport Additional cables or connectors will change the calibration and other specified data This can change the specified properties of the units and cause them to malfunction GO Newport Experience Solutions viii NPC3 amp NPC3SG Piezo Controllers WARNING Piezoelements are sensitive systems capable of the highest positioning accuracy They will demonstrate their excellent properties only if they are handled correctly Please mount them properly only at the special mounting points Immediately unplug your unit from the wall outlet and refer servicing to qualified service personnel under the following conditions e When the power supply cord or plug is damaged e Ifliquid has been spilled or objects have fallen into the unit e I
5. or possible malfunction and the guarantee will be lost CAUTION Please use only original parts from Newport CAUTION Please contact Newport or your local representative if there are any problems with your actuator or power supply CAUTION Shock forces may damage the built in ceramic elements Please avoid such forces and handle the units with care otherwise the guarantee will be lost xi EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers GD Newport Experience Solutions EDH0237En1020 01 12 xii NPC3 amp NPC3SG Piezo Controllers Piezo Controllers NPC3 amp NPC3SG NPC3 and NPC3SG controllers 1 0 NPC3 and NPC3SG This manual describes NPC3 and NPC3SG digital piezo controllers from Newport You will also find additional information regarding piezoelectric products NOTE 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 NOTE NPC3 and the NPC3SG controllers are very similiar In case of information which do refer to the NPC3SG this symbol will appoint it W NOT AVAILABLE IN NPC3 1 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers 2 0 Key Words EDH0237En1020 01 12 NPC3 Piezo controller
6. switch of the controller This symbol represents the Power Off condition Warnings and Cautions The following are definitions of the Warnings Cautions and Notes that may be used in this manual to call attention to important information regarding personal safety safety and preservation of the equipment or important tips WARNING Situation has the potential to cause bodily harm or death CAUTION Situation has the potential to cause damage to property or equipment NOTE Additional information the user or operator should consider AD Newport vii EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers Warnings EDH0237En1020 01 12 WARNING Do not open the units There are no user serviceable parts inside and opening or removing covers may expose you to dangerous shock hazards or other risks Refer all servicing to qualified service personnel WARNING Allow adequate ventilation around the units so that heat can properly dissipate Do not block ventilated openings or place the units near a radiator oven or other heat sources Do not put anything on top of the units except those that are designed for that purpose e g actuators WARNING Do not spill any liquids into the cabinet or use the units near water WARNING Do not insert objects of any kind into the cabinet slots as they may touch dangerous voltage points which can be harmful or fatal or
7. voltage applied to the piezo The readout value lt value gt is given with 3 decimal places rk ch rk ch wert rk l rk 1 20 016 set set lt ch gt lt wert gt The command set sets a channel ch to the given value value In closed loop Ps the value means ym In open loop the value means the voltage which is applied to the actuator Please pay attention that the remote control has been switched on before None set 0 5 53 Set the position of the actuator to the given value In closed loop only NPC3SG the value is 5 53 um In open loop the value means 5 53 V 11 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers Syntax Description Return Example Syntax Description Return Example Syntax Description Return Example 6 6 3 setall setall lt wert0 gt lt wert1 gt lt wert2 gt The command setall sets all channels to the given values value In closed loop W the value lt value0 2 gt means gm in open loop the value lt value0 2 gt means the voltage which is applied to the actuator Please take care that the remote control for all channels has to be switched on None setall 22 1 5 5 53 Sets the position of the actuator to the given value lt value0 2 gt For instance Piezo 1 to 22 and Piezo 2 to 1 5 and Piezo 3 to 5 53 only possible if the operation mode open loop setk setk lt ch gt lt 011 gt The comm
8. 000 The step limitation is set to 10000 If the absolut value of deltaValue is higher than enclim deltaValue will set to enclim with the same prefix The above named comands are valid for all modes 13 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers Syntax Return Example Syntax Return Example Syntax Return Example EDH0237En1020 01 12 Special Commands for Encoder e Normal with acceleration EM0 encexp lt 1 10 gt None encexp 3 The exponent is set to 3 e Adjustable interval with and without acceleration EMI 2 encstol lt 0 001 150 000 gt None encstol 1 000 The step size for open loop is set to 1 V The numerical resolution of 1mV will be not achieved due to the resolution of the DA converter of 16 bit The real step size is approximately 3 mV enestel lt 0 001 100 000 gt WY None encstcl 3 The exponent is set to 3 GO Newport Experience Solutions 14 NPC3 amp NPC3SG Piezo Controllers 7 0 Technical Data NPC3 NPC3SG Number of channels 3 Output power 3x5W Output voltage 20V to 130V Output current continuous 3 x 40mA Noise of output voltage lt 0 3mVpys 500 Hz Modulation input MOD 0 V to 10 V Sub D25 Input impedance 10 kQ Manually control digital encoder Display TFT full colour graphic display 320 x 240 Pixel Output connector 3 x Sub D15
9. 10 V 140 um The actuating system will move up to 20 of full motion when switching on and off the closed loop mode W because of different voltage signals Monitor NPC3SG The monitor output of the NPC3SG provides a voltage signal which correspondents directly to the position of the piezo actuating system The value for the monitor output voltage range is from 0 V to 10 V in closed loop mode and from 13 V to 13 V in open loop mode minimum and maximum of motion range The difference in both signal s values is caused by the closed loop control reserve Monitor NPC3 The monitor output of the NPC3 always provides a signal of 0 V up to 10 V which directly corresponds to the voltage signal applied to the piezo actuator Based on this a signal of OV is related to an applied voltage of 20 V and 10 V is related to 130 V Controlling Via Interface For external control via PC a USB or RS 232 interface can be used Make sure that the controller is switched off before connecting with the PC The interface on the back plane is marked with RS 232 A hyper terminal program can be used for control via serial interface RS 232 In order to use the USB interface please install the driver software first All commands are given in following chapter 7 EDHO237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers EDH0237En1020 01 12 Configuration RS 232 For external control by PC interface RS 232 the following
10. Monitor voltage MON Sub D25 output impedance 1002 NPC3SG only 13 to 13 V measuring system voltage open loop selectable by command monwpa 0 to 10 V measuring system voltage closed loop Monitor voltage MON Sub D25 output impedance 100 Q 0 to 10 V equates to actuator voltage 20 to 130 V Closed loop control M NPC3SG only PID analogue switched on off by pushing the encoder knob for SG sensors Dimensions wxhxl 210 mm x 88 mm x 240 mm Mass 2 1 kg Interface RS232 Sub D9 USB 1 1 Converter digitaliziation 16 bit Features Soft start function ASI function over voltage protection over temperature protection short circuit proof display with variable brigthness Main power supply 24 VDC 2 5 A wide range power supply 100 240 VAC is included in the shipment 15 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers 8 0 Pinouts 8 1 Sub D15 Male Output Connectors for Actuators Pin Description Measurement ground Analog ground 15 VO Ground SDA for ID chip 5 VO Not connected Piezovoltage Measurement input EN Analog ground SCL for ID chip Detection if actuator is plugged Ground 15 Piezoground Connected in the plug ja hand me SO OPN D BN Y N T wW R Note for external use 8 2 Sub D25 Femal Connector for Modulation Monitor
11. NPC3 amp NPC3SG Piezo Controllers RoHS Compliant ND Newport Experience Solutions User s Manual For Motion Think Newport NPC3 amp NPC3SG Piezo Controllers GD Newport Experience Solutions EDH0237En1020 01 12 ii NPC3 amp NPC3SG Piezo Controllers Table of Contents Milicia iv EU Declaration Cono V Safety PERIODOS quce RI Oe RE EE EE vi Warnings and Cations lilla OCD Vili 1 0 NPCS and NPCSSG sione iese ries PIRE ok Se do ee io VERE I VS de Gaia 1 20 Key WOrUS EE EE EE EE EE 2 30 cod AE AE ve sesatuctusens 4 3 1 NPC3SG Controller with Integrated Feedback Controller System 4 3 2 NPCS without Feedback Controller uui ee ope eri 3 4 0 Mnitiati n EK EE EE IE aaa 3 ad User Elements ConnecCHoN aan 5 SL Front Panel sets WD Se GE Ge AR AZ Du GE 5 St Rear PANG RE Ea EO EE O 5 6 0 Hindi 6 61 Main Supply Volle ue AK es A 6 62 Connecting Piezo Act atot aeo oto ndn eed ee ee ue 6 6 3 Graphie DODN AR EE OR EE LE OT RE OE EET 6 6 4 Manual Sors Bt ER ER GER RE EE ER DER ge ge a 7 6 5 Controlling Via Modulation Monitor esee 7 65 1 Monitor NPE SG esee KO Pase uu pui NI edd 7 6 3 2 JMomilor NP es O RPG de DAE eie 7 6 6 Controlling Via Inediti 7 6 6 1 Configuration RS 232 3 2 deca eeaaaccedenicnie tenes 8 60 Command Vt Si at ccc cae D 8 goa EE OE eat ee 9 ed EE EE OE EE EE EE EE EE N 9 GUERRA AT EWA 9 M
12. ORO RR RR RR RE OE EE 10 lola 10 LITE RO REI RO 10 CC PM RE A 11 IRA 11 Experience Solutions iii EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers AAR AE EA OR RA N OE AE EE M T Ie 11 setall 25 verte ME teen ME ZD OLD 12 d qp 12 MS RZECE EE OE DE EE tees EED 12 0 03 SE C111 8 Le dee ee ese dee ab dae 12 6 6 4 Calibration of Encoder eee 13 6 6 5 Encoder Commands Generally i 13 6 6 6 Special Commands for Encoder eee 14 7 0 Technical Data migra etae ee eoo ra ve eo aao ee aoa oae noa airo Ge Ge ava Usa GE Ege 15 5 0 PIDOULS ES eei te seco eS Cose aeree eve ROUES TR GE nico EN SNO EUN EO RE OR ST 16 8 1 Sub D15 Male Output Connectors for Actuators es ee 16 8 2 Sub D25 Femal Connector for Modulation Monitor eee 16 8 3 Sub D9 Femal Connector for RS 232 eee 17 54 USBl l Connectof zx eet ener RO ak eee eee RR dee ee ee esee eee aue 17 8 5 Main Supply Voltage Connector seeded enti va lado 17 9 0 Troubleshooting a O FORE MR N ee IRR RA ERI 18 Service EOEI sissies ese esse ce de oe de ed esto ra duos ee Se ee Ge ede Eae ue uae vado sese Uva esa ve dusk e dun 19 GO Newport EDH0237En1020 01 12 eg Te NPC3 amp NPC3SG Piezo Controllers Warranty D Newport Experience Solutions Newport Corporation warrants this product to be free from defects in material and workman
13. alibration of the attached actuator in open loop and closed loop The encoder has a resolution of 30 detent rotation With each step of the encoder a internal counter Enclncre within the scanning interval SI will be incremented or decremented depending on the direction of rotation After scanning intervall NPC3 SG calculates a new stroke Rf or voltage deltaValue depending on the mode EM The actuator will be charged with this calculated value EncIncre will be clear the encoder and the procedure starts again The values of the encoder can be analyzed by 3 different modes EM e Normal with acceleration EMO Calculation delta Value delta Value EncIncrP vore e Adjustable interval EMI Calculation deltaValue deltaValue EncStep e Adjustable interval with acceleration EM2 Calculation deltaValue deltaValue Enclncr EncStep Encoder Commands Generally encmode lt 0 2 gt None encmode l The mode of encoders is set to EMI adjustable interval enctime lt 0 255 gt None enctime 2 Scanning interval SI is set to 0 04 sec Scanning interval S7 can be adjusted in a range between 0 5 1 sec with a step size of 0 02 sec The evaluation of the encoder will be done in this time period In each interval only one encoder can be evaluated This means if you have 3 active channels and an adjusted interval of 1 sec the encoder will be scanned in a interval of 3 seconds enclim lt 1 65535 gt None enclim 10
14. and setk switches the remote control for one channel lt ch gt on lt 1 gt or off lt 0 gt If the remote control is activated you won t be able to change the position either by the potentiometer knob or via modulation turning the remote control off the position of the actuator goes to minimal position None setk 0 1 Set the actuator on channel 1 to remote control ver ver This Command ver reads out the software version number of the internal controller the date and the serial number of the controller version vnumber vdate ver ver 1 000 799 sdate 1 1 09 2006 serno 23579 Example This example shows the sequence of the commands to move the actuator with the NPC3SG from the minimal position 0 um to 10 um Instruction Return Description Enter NPC3SG After press the Enter key on the computer keyboard the prompt shows NPC3SG gt in the hyper terminal program setk 0 1 None Activates the remote control on channel 1 cloop 0 1 None Switches channel 1 to closed loop operating mode set 0 10 None Set channel 1 to 10 um rk 0 rk 0 10 000 Measures Piezo connected to channel 1 stands at the position 10 um EDH0237En1020 01 12 12 addo NPC3 amp NPC3SG Piezo Controllers 6 6 5 Syntax Return Example Syntax Return Example Syntax Return Example GO Newport Experience Solutions Calibration of Encoder The encoder of NPC3 SG is used for the c
15. ction is switched on for the channel 0 Piezo 1 9 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers Syntax Description Return Example Syntax Description Return Example Syntax Description Return Example EDH0237En1020 01 12 fready fready 0l1 This command fready enables the soft start function for all channels After switching on the system the soft start function is started for 10seconds to initiate the actuator While this routine the actuator is moved once through the whole motion range and back While softstart the modulation input and the offset potentiometer are disabled After the softstart the controller is working normally If no parameter set after the command fready the controller gives the status of softstart function for all channels None fready 1 The soft start is switched on for all channels light light lt 0 255 gt The command light can be used to control the brightness of the display Adjustable values are between 0 display off and 255 maximum brightness The last adjustment will be stored and will be automatically used if the amplifier will be switched on Command without value reads out the current value Please pay attention If the display remains dark after switching on the amplifier the display may have been adjusted to light 0 before Please read out the value by input command light and change t
16. ers EU Declaration of Conformity NON AGNOS Qe qe qM qe qu e Con ROER KOERIER ESA NPC3SG Piezo Amplifier Year ce mark affixed 2009 EC Declaration of Conformity We declare that the accompanying product identified with the CE mark complies with requirements of the Electromagnetic Compatibility Directive 2004 108 EC and the Low Voltage Directive 2006 95 CE TYPE OF EQUIPMENT Electrical equipment for measurement control and laboratory use STANDARDS APPLIED Compliance was demonstrated to the following standards to the extent applicable IEC 61010 1 EN 55011 part 11 group 1 class B EN 50082 part 2 Dominique DEVIDAL 01 09 2009 Quality Manager Zone Industrielle 45340 Beaune la Rolande France TRE EDHO0237En1020 01 12 vi NPC3 amp NPC3SG Piezo Controllers Safety Precautions Definitions and Symbols The following terms and symbols are used in this documentation CE CE Mark European Union CE Mark The CE mark indicates that the equipment has been designed and tested to comply with all applicable European Union CE regulations ON Symbol ON Symbol The ON Symbol appears on the power switch of the controller This symbol represents the Power On condition OFF Symbol OFF Symbol The Off Symbol appears on the power
17. f 0 10 V or by PC interface The voltage of the monitor output correspondents to either applied piezo voltage NPC3 or completed motion NPC3SG The NPC3 is designed for controlling only open loop actuating systems without any feed back sensor inside The NPC3SG is 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 Automatical Sensor Identification ASI enables the customer to use the controller unit NPC3SG with different piezo actuators of the same product series This enables the controller unit to read all system information from the actuating systems which are stored inside the connector and transmit this information to the controller unit 3 1 NPC3SG Controller with Integrated Feedback Controller System Analog actuating systems with integrated feedback sensors are calibrated with a particular controller unit Only systems consisting of piezo and controller which are calibrated to each other can be used together to reach the full accuracy performance Exchanging of actuating system is possible in this case only if the actuating system is from the same product group Otherwise the closed loop controller can be damaged Example If the controller NPC3SG is calibrated for NPO140SG series range of motion 140 um then it can be used with different NPO140SG actuators but not with NPO250SG range of motio
18. for up to 3 piezo actuators RS 232 USB interface for piezo actuating systems without feed back sensor inside NPC3SG Piezo controller for up to 3 piezo actuators RS 232 USB interface for piezo actuating systems with feed back sensors inside strain gauge or capacitive Graphic Display 3 5 TFT full colour graphic display 320x240 Pixel constantly shows all values and status information Potentiometer Knob For manual voltage offset adjustment and for switching on and off closed loop mode NPC3SG only Closed Loop Operating mode for piezo actuating systems with integrated feed back sensor system Position accuracy is constantly controlled Open Loop Operating mode for actuating systems without feedback sensor inside no position information available Softstart Special power on procedure with a movement of the actuator over the complete stroke within 10 seconds Softstart can be disabled by command in case the full movement of the actuator is not suitable or dangerous in the application PC Interface Serial RS 232 interface or USB with 16bit resolution Modulation Input The controller can be controlled by an external analogue voltage signal from 0 V 10 V Monitor Output Output voltage signal which corresponds with the position of the piezo actuating system Closed Loop mode or with the applied voltage signal open loop mode Automatical Sensor Identification ASI NPC3SG controller can be used with st
19. fthe unit has been exposed to rain or water e Ifthe unit has been dropped or the housing is damaged AD Newport Experience Solutions ix EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers Cautions CAUTION Piezoelectric actuators from Newport are controlled by voltages up to 150V These values can be quite hazardous Therefore read the installation instructions carefully and only authorized personal should handle the power supply CAUTION After transportation piezoelectric actuators should be allowed to adapt for approximately 2 hours to the room temperature before being switched on CAUTION Piezoelectric actuators are made from ceramic materials with and without metallic casings The piezo ceramic is a relatively brittle material This should be noted when handling piezoelectrical actuators All piezo elements are sensitive to bending or shock forces CAUTION Due to the piezoelectric effect piezo actuators can generate electrical charges by changing the mechanical load or the temperature or such actions described above CAUTION Piezoelectric actuators are able to work under high compressive forces Only actuators with a pre load can be used under tensile loads these tensile forces must be less then the pre load given in the data sheet CAUTION Please note that the acceleration of the ceramic material e g caused by fall down discharging or high dynamic application
20. he connection between piezo connector and controller again Graphic Display The graphic display shows the following status information Actuator Axis Name NPC3 amp NPC3SG Piezo Controllers AD Newport 64 6 5 6 5 1 6 6 Manual Control Each channel of the controller can be controlled by turning the potentiometer knob on the front panel Turning clockwise increases the applied voltage signal turning counterclockwise reduces the applied voltage signal the closed loop mode of the NPC3SG controller can be switched on and off by pressing the potentiometer knob for each channel If you switch off the controller the operational mode closed loop open loop will be saved and after switching on the controller starts again with its last operational mode Controlling Via Modulation Monitor The controller can be controlled by an external modulation signal from 0 10 V An adapter cable with BNC to Sub D connector is included The modulation is marked on the back panel by MOD By using an external modulation signal in open loop mode 0 V correspond to a value of 20 V and 10 V correspond to voltages signal of 130 V applied to the piezo actuating system in closed loop mode 0 V corresponds to the a motion of Oum 10 V correspond to the max motion based on the specification of the used piezo actuating system Exemple NPO140SG Position Minimal Maximal Open Loop OV 20V 10V 130V Closed Loop OV 0 yum
21. he value if necessary None switch off the display light 0 measure measure The command measure reads out either the position lt value0 2 gt from the measurement system X or the voltage applied to the actuator The read out values lt value0 2 gt are given with 3 decimal places aw lt wert0 gt lt wertl gt lt wert2 gt measure aw 0 015 5 003 150 002 AD Newport Experience Solutions 10 NPC3 amp NPC3SG Piezo Controllers Syntax Description Return Example Syntax Description Return Example Syntax Description Return Example GO Newport Experience Solutions monwpa monwpa lt 0 gt lt 0I112 gt The command monwpa supports the output of different measurement sources from the piezo controller A fixed choise is possible between the actuator voltage and the actuator position NPC3SG only The monitor output is set depending on the operating mode OL or CL see Mode 0 and 1 Both modes are possible only with the NPC3SG because it is a closed loop device Mode 0 Sets the monitor output always to the actuator voltage 1 Sets the monitor output always to the actuator position 2 Sets the monitor output to the actuator voltage in open loop and to the actuator position in closed loop None monwpa 0 1 rk The command rk reads out either the position lt value gt for one channel lt ch gt from the measurement system x or the
22. l 2 Gp Newport 33 1f41 pm I 33 163 pm ET z Piezo Controller Ma Potentiometer Knob Potentiometer Knob Channel 1 Channel 3 3 5 TFT full colour graphic display with adjustable brigthness 5 2 Rear Panel Connector for Power Modulation MOD RS 232 ON OFF and Monitor MON Interface Switch Actuator DC USB Connectors In Interface 5 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers 6 0 Handling Closed Loop Operating Mode Actuator Only NPC3SG Name Open Loop Operating Mode Piezo Voltage No Actuator Connected Actuator Position Only NPC3SG Actuator Out Of Closed Loop Range Only NPC3SG Internal Temperature AD Newport EDH0237En1020 01 12 6 6 1 6 2 6 3 Main Supply Voltage The controller NPC3 and NPC3SG require a main supply voltage of 24 VDC A power supply unit suitable for voltage from 115 V 50 Hz up to 230 V 50 Hz AC is included in the shipment The socket for the main supply voltage is located on the back panel of the controller Connecting Piezo Actuator The piezo actuating systems is connected to the controller unit by using the Sub D connector on the back panel Please make sure that the controller is switched off by connecting the piezo with the controller Please fasten the screws of the Sub D connector and guarantee a firm connection If the display shows the information not connected then please check t
23. mand 22 5 GO Newport Experience Solutions NPC3 amp NPC3SG Piezo Controllers Syntax Description Return Example Syntax Description Return Example Syntax Description Return Example D Newport Experience Solutions cloop w cloop lt ch gt lt 011 gt The command cloop switches channel of the controller MW to the operation mode closed loop lt 1 gt or to open loop lt 0 gt None cloop 1 0 Channel 2 Piezo 2 is set to the operation modus open loop ERR 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 ERROR lt last error ERR ERROR OK No error fenable fenable lt ch gt lt 0I1 gt This command fenable enables the soft start function for the given channel After switching on the system the soft start function is started for 10seconds to initiate the actuator While this routine the actuator is moved once through the whole motion range and back While softstart the modulation input and the offset potentiometer are disabled After the softstart the controller is working normally If only the parameter for the channel set after the command fenable the controller gives back the status of softstart function for the channel None fenable 0 1 The soft start fun
24. n 250 um If an actuator is connected to a channel of the controller NPC3SG 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 minimal position after it is switched on 2 ASI function display processor DAC x set piezo actuator mer ea sal command setk loop actuator connector encoder knob Lal P controller OL N 1 UR EE Lato LLL PIEZO contro i 2 E D amplifier ei voltage T controlle CL EN modulation j ECS command A measurement system monwpa D controlle monitor sensor signal voltage ES piezo voltage MOD MON connector AD Newport Experience Solutions EDH0237En1020 01 12 4 NPC3 amp NPC3SG Piezo Controllers 4 0 Initiation 3 2 NPC3 without Feedback Controller Please note that by switching on the controller the voltage signal is applied direct to the connected piezo actuating system A shock voltage signal applied to the piezo actuating system can affect system s life time Please follow all safety instruction given in previous chapters before using the controller 5 0 User Elements Connection 5 1 Front Panel Potentiometer Knob Graphic Display Channe
25. rain 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 Main Supply Voltage The main supply voltage to the controller is 24 VDC an external wide range power converter for 115 230 VAC is included in the shipment GO Newport Experience Solutions NPC3 amp NPC3SG Piezo Controllers Remote Control The remote control switches all manual controls potentiometer knob and modulation off or on Please pay attention only if the remote control is switched on 1 it will be possible to use the set command RS232 and USB ports support the communication between PC and the piezo controller Hyper Terminal Program Enables to control the piezoactuating system by using the RS 232 interface All necessary commands are given in the user manual AD Newport Experience Solutions 3 EDH0237En1020 01 12 NPC3 amp NPC3SG Piezo Controllers 3 0 Introduction The controller module NPC3 and NPC3SG are designed for parallel control of up to three low voltage piezo actuators with and without internal feed back sensor system The controller comes as a stand alone device with standard PC interface RS 232 and USB A graphic display constantly shows all status information such as voltage and motion Each piezo can be controlled separately either by turning the voltage offset by applying an analog voltage signal o
26. se contact our service if you are not shure what is to do 18 GO Newport Experience Solutions NPC3 amp NPC3SG Piezo Controllers Service Form Name Company Address Country P O Number Item s Being Returned Model Description Your Local Representative Tel Fax Return authorization Please obtain prior to return of item Date Phone Number Fax Number Serial Reasons of return of goods please list any specific problems SM Newport Experience Solutions 19 EDHO237En1020 01 12 Newport Visit Newport Online at www newport com North America amp Asia Newport Corporation 1791 Deere Ave Irvine CA 92606 USA Sales Tel 800 222 6440 e mail sales newport com Technical Support Tel 800 222 6440 e mail tech newport com Service RMAs amp Returns Tel 800 222 6440 e mail rma service newport com Europe MICRO CONTROLE Spectra Physics S A S 1 rue Jules Guesde Bat B ZI Bois de l pine BP189 91006 Evry Cedex France Sales Tel 33 0 1 60 91 68 68 e mail france newport fr com Technical Support e mail tech_europe newport com Service amp Returns Tel 33 0 2 38 40 51 55
27. settings are necessary Baud rate Bits per second 19200 Data bits 8 Stop bits 1 Parity No Flow control Software XON XOFF For external control via RS 232 you may use the hyper terminal program of your PC Command List CMD Statement cloop Switch one channel to closed loop or open loop encexp Encoder exp For calc of acceleration EMO enclim Encoder max step encmode Encoder mode EN encstcl Encoder interval for closed loop EM1 2 8 encstol Encoder interval for open loop EMI 2 enctime Encoder sample interval SI ERR Switch one channel to closed loop or open loop fenable Gives the version number of controller and controller software fready Shows the last error light Select the display brightness measure Measures values of all channels either for position or voltage monwpa Switch the monitor in different modes rk Measures the value either of position only NPC3SG or voltage only INPC3 only for one channel set Set the values to one channel setall Set the values to all channels setk Switch the remote control for one channel on or off ver Switch the remote control for one channel on or off NOTE The number of channels starts with 0 Connector Piezo 1 equals channel number 0 All commands which included a value have to be separated by dots Example The value 22 5 um must be programmed by the com
28. ship for a period of 1 year from the date of shipment If found to be defective during the warranty period the product will either be repaired or replaced at Newport s discretion To exercise this warranty write or call your local Newport representative or contact Newport headquarters in Irvine California You will be given prompt assistance and return instructions Send the instrument transportation prepaid to the indicated service facility Repairs will be made and the instrument returned transportation prepaid Repaired products are warranted for the balance of the original warranty period or at least 90 days Limitation of Warranty This warranty does not apply to defects resulting from modification or misuse of any product or part This warranty also does not apply to fuses This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular use Newport Corporation shall not be liable for any indirect special or consequential damages First printing 2009 2012 by Newport Corporation Irvine CA All rights reserved No part of this manual may be reproduced or copied without the prior written approval of Newport Corporation This manual is provided for information only and product specifications are subject to change without notice Any change will be reflected in future printings v EDHO237En1020 01 12 NPC3 amp NPC3SG Piezo Controll
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