THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-LOGO

THORLABS ELL6(K) Multi-Position Sliders with Resonant Piezoelectric Motors

THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-PRODUCT

Въведение

The ELL6, ELL9, and ELL12 are multi-position optic sliders with millisecond switching times enabled by Thorlabs’ Elliptec™ piezoelectric resonant motor technology. The ELL6 Dual-Position Slider and the ELL9 Four-Position Slider are both compatible with SM1 optics, while the ELL12 Six-Position Slider is used with SM05 optics. The resonant piezo design of the motors offers fast response times and precise positioning, and are therefore particularly useful in scanning applications. These piezo motors also do not include magnets like traditional motors, making them ideal for applications that are sensitive to electromagnetic interference. The high-speed digital signal processing (DSP) architecture supports a multi-drop serial communication protocol, and a set of digital IO lines allows the user to control the movement and state manually by switching the lines high (5V) or low (0V). The sliders can be post-mounted using our ER series cage system rods and a CP33(/M) Cage Plate (see Section 3.2.). They are also compatible with 30 mm cage systems. The ELL6, with its single motor, can be simultaneously controlled and powered via USB. The TPS101 5 V power supply is also compatible. As the two motors on the ELL9 and ELL12 require greater power, a 5 V power supply is included with the ELL9K and ELL12K bundles. A hand-held controller is also supplied with the kits to allow manual switching between the optic positions. The units can also be driven remotely via PC-based software, downloaded from www.thorlabs.com. A compatible USB driver is included in the software download package.

Безопасност

За постоянната безопасност на операторите на това оборудване и защитата на самото оборудване, операторът трябва да вземе под внимание предупрежденията, предпазните мерки и бележките в това ръководство и, където са видими, върху самия продукт.

  • Предупреждение: Риск от токов удар
  • Given when there is a risk of electrical shock.
  • предупреждение
    Given when there is a risk of injury to the user.
  • Внимание
    Given when there is a possibility of damage to the product.
  • Забележка
    Clarification of instruction or additional information.
Общи предупреждения и предупреждения

предупреждение

  • If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. In particular, excessive moisture may impair operation.
  • The equipment is susceptible to damage from electrostatic discharge. When handling the device, anti-static precautions must be taken and suitable discharge appliances must be worn.
  • Spillage of fluid, such as sample solutions, should be avoided. If spillage does occur, clean up immediately using absorbent tissue. Do not allow spilled fluid to enter the internal mechanism.
  • If the device is operated over a prolonged time period, the motor housing may become hot. This does not affect motor operation but may cause discomfort if contacted by exposed skin.
  • Do not bend the PCB. A bending load in excess of 500 g applied to the board may cause the PCB to deform, which will degrade the performance of the controller.
  • Do not expose the stage to a strong infrared light (e.g. direct sunlight) as it could interfere with the operation of the position sensor.
  • During use do not place the PCB directly onto electro-conductive material e.g. an optical table top or breadboard.

Внимание

  • The home sensor of the device relies on a 950nm led which can leak from the device. This should be taken into consideration for environments that are especially sensitive to foreign light sources.

Инсталация

Условия на околната среда

предупреждение
Operation outside the following environmental limits may adversely affect operator safety.

  • Местоположение: Използване само на закрито
  • Максимален altitude 2000 m
  • Температурен обхват 15 ° C до 40 ° C
  • Максимална влажност Less than 80% RH (non-condensing) at 31°C
  • To ensure reliable operation the unit should not be exposed to corrosive agents or excessive moisture, heat or dust.
  • Do not expose the stage to magnetic fields as this could affect the positioning and homing sensor operation.
  • If the unit has been stored at a low temperature or in an environment of high humidity, it must be allowed to reach ambient conditions before being powered up.
  • The unit is not designed to be used in explosive environments.
  • The unit is not designed for continuous operation. Lifetime will depend on several factors, e.g. load, number of homing operations, number of frequency searches etc. The minimum lifetime is 100 km.
монтиране
  • предупреждение
    The safety of any system incorporating this equipment is the responsibility of the person performing the installation.

Предупреждения

  • Although the module can tolerate up to 8kV of air discharge, it must be treated as an ESD sensitive device. When handling the device, anti-static precautions must be taken and suitable discharge appliances must be worn.
  • When handling the stage, take care not to touch the wires to the motors.
  • Do not bend the wires over the motor spring as this affects the performance of the unit.
  • Do not allow the wires to contact other moving parts.
  • The ribbon cable connector is made of plastic and is not particularly robust.
  • Do not use force when making connections. Unnecessary or repeated plugging in and unplugging should be avoided or the connector may fail.
  • Do not move the stage by hand. Doing so will disorientate the motors and cause the unit to fail.
  • The recommended mounting orientation is vertically, with the motors at the bottom of the board as shown below. In this orientation, optic position 1 is on the right hand side.THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-1
  • There are several options for mounting the sliders. The ELLA1 Post Mount Adapter has a 14.0 mm width and fastens directly to the back of the slider’s PCB. As shown in Figure 2, the adapter can then be used to mount the slider to a Ø1/2″ post. The compact dimensions of the ELLA1 allows sliders to be placed one behind the other while minimizing the space separating them, as shown below. The adapter can also be integrated with Thorlabs’ 30 mm Cage System components and/or SM1-threaded components, such as lens tubes. Alternately, 30 mm cage system components alone can be used to mount the sliders. An example of this is shown in Figure 3, in which a CP33 Cage Plate, four ER1 rods, a Ø1/2″ post, and a post holder mount and support the assembled sliders. THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-2

операция

Първи стъпки

Внимание

  • Although the module can tolerate up to 8kV of air discharge, it must be treated as an ESD-sensitive device. When handling the device, anti-static precautions must be taken and suitable and discharge appliances must be worn.
  • Do not expose the slider to a strong infrared light (e.g. direct sunlight) as it could interfere with the operation of the position sensor.
    When power is applied, do not connect or disconnect the ribbon cable connecting the USB/PSU adapter to the Stage PCB. Always remove power before making connections.
  • Do not move the stage by hand. Doing so will disorientate the motors and cause the unit to fail.
  • The home sensor of the device relies on a 950nm led which can leak from the device. This should be taken into consideration for environments that are especially sensitive to foreign light sources.
  • предупреждение
    If the device is operated over a prolonged time period, the motor housing may become hot. This does not affect motor operation but may cause discomfort if contacted by exposed skin.
  1. Perform the mechanical installation as detailed in Section 3.2
  2. Turn on and boot up the host PC.
  3. Connect the handset to the stage, ако е необходимо.
    Внимание
    The unit is easily damaged by connections with incorrect polarity. Pin 1 of the connector on the PCB is marked with an arrow (see Figure 8 and section 5.2) which should be adjacent to the red wire in the connecting cable.
  4. Свържете stage to a 5V supply and switch ‘ON’. (A 5 V PSU is supplied with the ELL6K, ELL9K, and ELL12K).
    Внимание
    Boot up the PC BEFORE connecting the USB cable. DO NOT connect a powered ELL kit to a PC that is not powered up and running.
  5. Using the USB cable supplied, connect the handset to the PC.
  6. Wait for the drivers to be installed.
  7. Home the stage. Homing is necessary to align the sensor and establish a datum from which all future moves are measured.

Controlling the Stage

В stage can be controlled in three ways; via the handset (section 4.2.1), by the Elliptec software running on a PC (section 4.2.2), or by writing a custom application using the messages described in the communications protocol document. Homing and position switching functionality can also be accessed by applying voltages to the digital lines on Connector J2. The modes of control are described in the following sections.
In all modes, when the unit is mounted in the recommended orientation as shown in Figure 1. Forward moves the stage to the right and backward moves to the left.

Hand-held Controller

Внимание
On power up the stage will move while the unit checks the sensors and then searches for the home position.

  • The ELL6K, ELL9K, and ELL12K Evaluation Kits also contain a hand-held controller, which features two buttons (marked FW and BW) that allow switching of the optic position as explained below. The handset also provides for connection to the host PC and to the external 5V power supply. This allows the stage to be used in the absence of a PC, with control being achieved via the handset buttons.
  • The PWR LED (LED1) is lit green when power is applied to the unit. The INM LED (LED2) is lit red when the device being driven is in motion.THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-3

Using the hand-held controller and referencing Figure 1 and Figure 5:

  1. Connect the Interface Board to the Slider unit.
  2. Connect the Interface Board to the Power Supply.
    a) ELL6: a micro-USB connection with 5V @ 500mA will suffice.
    b) ELL9 & ELL12: a standalone 5V @ ≥1A supply must be connected prior to a USB connection.
  3. Switch ON the supply and wait while the stage powers up and goes through its homing sequence.
  4. To increment the slider position:
    a) ELL6: press FW.
    b) ELL9 & ELL12: press and hold JOG, then press FW.
  5. To decrement the slider position:
    a) ELL6: press BW
    b) ELL9 and ELL12: press and hold JOG then press BW. Note. For ELL6 the JOG button initiates a demo loop
  6. To Home, the stage (i.e. go to position 1) press the BW button.
Софтуер за контрол

When connected to the host PC, the stage can be controlled remotely, via the Elliptec software.

  1. Download the Elliptec software from the Downloads section at www.thorlabs.com. Double click the saved .exe file и следвайте инструкциите на екрана.
  2. Connect the hand-held controller to the stage единица.
  3. Connect the hand-held controller to the 5V Power Supply and switch on.
  4. Connect the hand-held controller to the PC USB port and wait for the drivers to be installed.
  5. Run the Elliptec software.
  6. In the top left of the GUI panel displayed, select the COM port to which the device is connected (see Figure 6, and click ‘Connect’. The software will search the comms bus and enumerate the device.
  7. Click the ‘Home’ button to home the stage.
  8. The GUI and device are now ready for use. Click the position buttons to move to each position as shown in Figure 7 (0 on the right-hand side of the slider through to 3 on the left-hand side).4
  9. See the help file supplied with the software for more information.THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-4

Протокол за комуникация

  • Custom move applications can be written in languages such as C# and C++.
  • The communication bus allows multi-drop communication with speeds at 9600 baud, 8 bit data length, 1 stop bit, no parity.
    Protocol data is sent in ASCII HEX format, while module addresses and commands are mnemonic character (no package length is sent). Modules are addressable (default address is “0”) and addresses can be changed and/or saved using a set of commands. Lower case commands are sent by user while upper case commands are replies by the module.
  • Please refer to the communications protocol manual for more detail about commands and data packet formats.

Свързване на множество устройства

  • When a device is first connected to the PC, it is assigned the default address ‘0’. The software can run multiple devices, however before more than one device can be recognized, each device must be assigned a unique address. See below for a brief overview; detailed instructions are contained in the help file supplied with the software.
  • Connect the first device to the PC USB port, then run the Elliptec software and load the device.
  • Change the address of the first device.
  • Connect the next device to the first device.
  • Change the address of the second device.
  • Multiple devices can be controlled individually, either via a remote handset connected to each device, via the Elliptec software or by a third part application written using the messages detailed in the protocol document.

Controlling the stage without the handset

Внимание

  • During normal operation each motor is protected by a 1 second pause to prevent overheating. Wait for 1 second between moves and do not try to drive the motors continuously.
  • In the absence of the handset, the stage is controlled via digital lines: forward, backward and mode (J2 pins 7, 6 and 5, see Figure 8) by shorting the corresponding line to ground (pin 1).
  • Когато stage is moving, the open drain IN MOTION digital line (pin 4) is driven low (active low) to confirm movement. The IN MOTION line goes high (inactive) when the move is completed or the maximum time-out (2 seconds) is reached.

предупреждение

  • Не превишавайте обtage and current ratings stated in Figure 8. Do not reverse polarity.
  • Connector J2 Pin OutTHORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-5
PIN ТИП ФУНКЦИЯ
1 PWR приземен
2 OUT ODTX – open drain transmit 3.3 V TTL RS232
3 IN RX receive – 3.3V TTL RS232
4 OUT In Motion, open drain active low max 5 mA
 

5

 

IN

ELL6: JOG/Mode = Normal/Test Demo, active low max 5 V ELL9 and ELL12: JOG/Mode, active low max 5 V
6 IN BW Backward , active low max 5 V
7 IN FW Forward, active low max 5 V
 

8

 

PWR

ELL6: VCC +5V +/-10% 600 mA

ELL9 and ELL12: VCC +5V +/-10% 1200 mA

  • Connector model number MOLEX 90814-0808 Farnell order code 1518211
  • Mating connector model number MOLEX 90327-0308 Farnell order code 673160
  • Figure 8 Connector J2 pinout details
  • Внимание
  • The ribbon cable connector (J2) is made of plastic and is not particularly robust. Do not use force when making connections. Unnecessary or repeated plugging in and unplugging should be avoided or the connector may fail.
Periodic Cycling of Devices Over Full Range of Travel
  • Внимание
    Periodically, devices should be moved over the full range of travel, from one end to the other. This will help minimize the build up of debris on the track and will prevent the motors digging a groove over the most used area of contact. Typically, a travel cycle should be performed every 10K operations.

Frequency Search

  • Due to load, build tolerances and other mechanical variances, the default resonating frequency of a particular motor may not be that which delivers best performance.
  • A frequency search can be performed using the Main GUI panel in the ELLO software, or by using the serial communication line (SEARCHFREQ_MOTORX message),
  • which offers a way to optimize the operating frequencies for backward and forward movement.
  • This search can also be performed manually by restoring the factory settings as described in section 4.5. below.

Възстановяване на фабричните настройки

Factory settings can be restored during the start up (calibration) test as follows:

  • With the remote handset
  1. Remove all power (USB and PSU) from the stage.
  2. Press and hold BW button.
  3. Power up the slider.
  4. The slider performs a self-test by moving from one position to the other. If the slider does not move or complete, move the slider manually from one end of travel to the other until it is no longer attempting to move.
  5. Забележка: The BW button must be held down during manual actuation.
  6. Release the BW button. The red INM LED (LED 2 see Figure 5) should be lit briefly.
  7. A frequency search will now be performed. To avoid overheating the motor, a pause of 1 second is programmed after each move. The red INM LED will be lit after each movement
  8. Press and hold the BW button until red INM LED turns ON and then OFF, and the slider stops moving. The optimized resonating frequency is stored until the next frequency search is requested.
  9. Power down the slider.
  10. Wait for the green PWR LED to turn OFF.
  11. Power up the slider. The device will now complete a self test.

Without the remote handset

  1. Connect Pin 6 of connector J2 to 0V.
  2. With J2 Pin 6 connected to 0V, power up the slider.
  3. The slider performs a self-test by moving from one position to the other. If the slider does not move or complete, then move the slider manually from one end of travel to the other until it is no longer attempting to move.
    Забележка: J2 Pin 6 will need to be shorted to 0V during manual actuation.
  4. Connect J2 Pin 6 to 3.3V.
  5. A frequency search will now be performed. To avoid overheating the motor, a pause of 1 second is programmed after each move.
  6. Connect J2 Pin 6 to 0V. The slider stops moving and the optimized resonating frequency is stored until the next frequency search is requested.
  7. Power down the slider
  8. Wait for 1 second for power supply line to go to 0V.
  9. Power up the slider. The device will now complete a self test.

Simultaneous Movement of Devices

If more than one device is connected to the comms bus, movement of the devices can be synchronized. This can be achieved either by using the handset, or by software. See the protocol document for details on how to use the ‘ga’ message to synchronize moves. If using the handset, synchronized movement is hard wired, so if multiple devices are connected, pressing the FWD or BWD buttons will move all devices.

Отстраняване на неизправности и често задавани въпроси

Често задавани въпроси

  • Stage is moving back and forth after power up
  • If the digital line “bw” is driven low before powering up the stage, the module will go into calibration mode. Remove power to exit calibration mode. Keep line tight up to 3.3V or 5V rail during power up or use a serial communication line instead.
  • Stage not moving
  • Check power supply lines ratings (polarity, voltage drop or range, available current) or reduce cable length.
  • Check module is not in boot loader mode (power cycle the module to exit boot loader) consumption must be higher than 36mA at 5V.
  • Stage does not complete homing commands
  • Изключете захранването на уреда.
  • Perform a frequency search on both motors.
  • Stage switching time increased / max load decreased
  • Проверете обема на захранванетоtage provided on J2 connector (see Figure 8), increase voltage within specified limits if voltage drop along cable goes below 5V during system operation. Clean the moving surfaces. To avoid grease contamination, do not touch the moving parts.
  • Temperature change may affect the stage performance. Using the software to perform a frequency search will compensate frequency as needed (required current could reach 1.2 A during frequency search, use an additional 5V 2A power supply and a USB connection).
  • Integrators should search for optimal frequency on every power up sequence (commands “s1”, “s2” see ELLx protocol document)
  • How do I restore the factory (default) settings
    Factory settings can be restored at any time – see Section 4.5.
  • What is the product lifetime
    Product lifetime is restricted by the wearing of moving surfaces and the motor contact as motion is started (due to resonance build up) and performed (due to friction), and is expressed in km travelled. Lifetime will depend on several factors (e.g. load, number of homing operations, number of frequency searches etc.) and users must take into account all these factors when considering life time. For example, homing requires more travel than a simple motion, and a frequency search may not generate any motion at all, but still energizes the motors fully.
  • The unit is not designed for continuous operation. Users should aim for a duty cycle of less than 40% wherever possible, and never exceed a duty cycle of 60% for longer than a few seconds.
  • The minimum lifetime is 100 km.

Боравене

  • предупреждение
    The equipment is susceptible to damage from electrostatic discharge. When handling the device, anti-static precautions must be taken and suitable discharge appliances must be worn.
  • В stage and interface board are robust to general handling. To ensure reliable operation, keep the surface of the plastic track contacted by the motors free of oils, dirt, and dust. It is not necessary to wear gloves while handling the stage, but avoid touching the track to keep it free of oils from fingerprints. If it is necessary to clean the track, it may be wiped with isopropyl alcohol or mineral spirits (white spirit). Do not use acetone, as this solvent will damage the plastic track.
  • бележки on Making a Picoflex Cable for Use when Daisy Chaining Devices
  • The multi-drop communications bus offers the option of connecting the stage to a hybrid network of up to 16 Elliptec resonant motor products and controlling the connected units with a device such as a microprocessor. When multiple units are connected to the same interface board, all can be controlled simultaneously using either the software or the buttons on the interface board.
  • When making a cable to operate multiple devices it is important to observe the correct pin orientation. The following procedure offers guidance in making such a cable.
  1. Gather together the parts required.
    a) Ribbon cable 3M 3365/08-100 (Farnell 2064465xxxxx).
    b) Female crimped connectors as required – model number MOLEX 90327-0308 (Farnell order code 673160) (Qty 1 female connector above is shipped with each stage unit).
    c) Suitable screwdriver and scissors or another cutting tool.THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-6
  2. Orientate the first connector correctly to mate with the connector on the stage, then arrange the ribbon cable as shown with the red wire aligned with pin 1 (identified on the pcb by a small triangle). Slide the connector onto the ribbon cable as shown.THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-7
  3. Using a screwdriver or other suitable tool, push down the crimp of each pin to make connection with the ribbon cable.THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-8
  4. If other connectors are required they should be fitted at this point. Slide each connector onto the cable, paying attention to the orientation as shown below, then crimp as detailed in step (3).THORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-9
  5. Fit the terminating connector which will mate with the interface board, taking care to align the cable red wire with pin 1 as detailed in step (2).

Характеристики

Вещ # ELL6(K) ELL9(K) ELL12(K)
Switching Time Between Two Positions Unloaded 180 to 270 ms

100 g Load <600 ms

Unloaded 450 to 500 ms

150 g Load <700 ms

Unloaded 350 to 400 ms

150 g Load <600 ms

пътуване 31 мм (1.22 ″) 93 мм (3.66 ″) 95 мм (3.74 ″)
Optic Mounting Positions Two SM1 (1.035″-20) Threads Four SM1 (1.035″-20) Threads Four SM05 (0.535″-20) Threads
Positioning Repeatability a <100 µm (30 µm Typical)
Maximum Load (Vertically Mounted) b 150 г (5.29 унция)
Minimum Lifetime c 100 km (3.3 Million Operations)
Номинален обемtage 4.5 до 5.5 V
Typical Current Consumption, During Movement
Typical Current Consumption, During Standby 38 mA
Typical Current Consumption, During Frequency Search d В 1.2
Bus e Multi-Drop 3.3V/5V TTL RS232
Скорост 9600 baud/s
Дължина на данните f 8 малко
Protocol Data Format ASCII HEX
Module Address and Command Format Mnemonic Character
Ribbon Cable Length (Supplied) 250 мм
Ribbon Cable Length (Max) 3 m
Dimensions of the Slider (at end stops) 79.0 mm x 77.7 mm x 14.0 mm (3.11 ″ x 3.06 ″ x 0.55 ″) 143.5 mm x 77.7 mm x 14.2 mm (5.65 ″ x 3.06 ″ x 0.56 ″) 143.5 mm x 77.7 mm x 14.2 mm (5.65 ″ x 3.06 ″ x 0.56 ″)
Dimensions of the Control Board 32.0 mm x 65.0 mm x 12.5 mm (1.26 ″ x 2.56 ″ x 0.49 ″)
Weight: Slider unit only (no cables or handset) 44.0 г (1.55 унция) 70.0 г (2.47 унция) 78.5 г (2.77 унция)
Weight: Interface Board 10.3 г (0.36 унция)

бележки

  • a. Low-power infrared photo-sensor technology aligns the slider at each position.
  • b. Vertically Mounted so that Movement is Side-to-Side and not Up-and-Down
  • c. Lifetime is measured in terms of distance traveled by the optics mount. One operation is defined as a movement from one position to an adjacent position.
  • d. Additional Power Supply May Be Required
  • e. Use two 10 kΩ pull-up resistors in multi-drop mode for RX/TX.
  • f. 1 Stop Bit, No Parity

Регулаторен

Декларации за съответствие

За клиенти в ЕвропаTHORLABS-ELL6-K)-Multi-Position-Sliders-with-Resonant-Piezoelectric-Motors-FIG-10

За клиенти в САЩ

This equipment has been tested and found to comply with the limits for a Class A digital device, persuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Промени или модификации, които не са изрично одобрени от компанията, могат да анулират правото на потребителя да работи с оборудването.

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Документи / Ресурси

THORLABS ELL6(K) Multi-Position Sliders with Resonant Piezoelectric Motors [pdf] Инструкция за употреба
ELL6 K, ELL9 K, Multi-Position Sliders with Resonant Piezoelectric Motors, Multi-Position Sliders, Position Sliders, Sliders

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