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Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...
Страница 2: ...1 0 8 29 90 MAC 2000 Configuration Manual Ludl Electronic Products Ltd 200 Brady Avenue Hawthorne NY 10532 914 769 6111 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 3: ... the MAC 2000 12 Differences between IEEE 488 and RS 232 l3 XY Stepper Motor Stage 14 Description 14 Configuration 14 Stepper Motor Drive 17 Descnptlon 17 Specifications 19 Motor Control Switch Settings 19 Motor Driver Switch Settings 19 DC Servo Motor Drive 22 Description Specifications Motor Control Switch Settings DC Motor Driver Configuration and Adjustment 22 22 23 24 Filter Wheel Control 26 ...
Страница 4: ...mizing Performance 32 How Stepper Motors Work 36 Checking Stage Performance 37 EPROM Upgrade 38 Troubleshooting 39 IEEE 488 Interface 39 Motor Drive 39 Filter Wheel 39 Last Minute Changes 41 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 5: ... Control Module 23 Figure 7 DC Motor Driver Adjustments 25 Figure 8 Filter Wheel Shutter Connections 27 Figure 9 Filter Controller Function Settings 28 Figure 10 Filter Shutter control card FWSHC 28 Figure 11 Autofocus connection 34 Figure 12 Autofocus Module 35 Figure 13 Autofocus Function Switch Settings 36 Figure 14 Default MAC2000 Switch Settings 42 Figure 15 Default Wafer Handler Switch Setti...
Страница 6: ...n empty MAC 2000 control unit The frame includes only the main power transformer the passive motherboard and the mechanical housing for mounting the modules Most modules have an onboard CPU to communicate and perform the module s function these are known as intelligent modules Each intelligent module has an address on the control bus The address range is from 1 to 255 No two modules can have the s...
Страница 7: ... two 2 each MCMSE and MDMSP modules a power supply module and RS 232 interface module The XY joystick inputs are connected to the modules internally via the motherboard The standard stage controller can have one or more of the following photometer controller video autofocus filter wheel controller digital analog I 0 board Dedicated photometer control systems are also offered in standard configurat...
Страница 8: ... 232 Serial Parameter Settings layg R te SJeL1 Sw2 19200 open open 9600 open open 4800 closed open 2400 closed open 1200 open closed 600 open closed 300 closed closed 150 closed closed The serial parity bit is also switch selectable Parity Odd Even None Sw4 open closed n a Sw 5 open open closed open closed open closed open closed open closed Switches 6 and 7 program a delay between transmission of...
Страница 9: ...ust be completed according to the protocol If the communication is not completed the system will hang After the device is selected with the address byte the command is sent The command byte is immediately sent to the device which then prepares to either execute the command send data back to the host or receive more data from the host The command is a single byte from the known command list publish...
Страница 10: ...eplies OxO1 I address I Ox6C I read position cmd for motor driver Ox03 number of data bytes I Ox3A colon for end of command Ox21 Least significant byte of position I Ox48 Ox62 Most significant byte of position I High uvel Communication Protocol The LEP high level communication protocol provides a more human mode of communication The commands are formatted as strings containing English words that a...
Страница 11: ...R LF If a command is issued not requiring a data reply the response is A CR LF When sending data to the MAC 2000 the data is sent to a module by using the assignment The command HERE X 12324 CR will set the current position of the X axis Furthermore the command HERE X 12324 Y 54543 Z 32430 CR will set the positions of the X Y and Z axes In the case of an command error either a syntax error or a sy...
Страница 12: ... EFILS filter shutter No 2 53 19 EFILS filter shutter No 3 S4 20 EFILS filter shutter No 4 S5 21 EFILS filter shutter No 5 IEEE 488 Communication Interface The MAC 2000 IEEE 488 RS 232 communication interface provides communication with MAC 2000 devices according to either the IEEE 488 bus or RS 232 serial standard The communication protocol follows the standard LEP low level binary communication ...
Страница 13: ...ed closed open 150 closed closed closed The serial parity bit is also switch selectable f2 ily Sw4 Odd open open Even closed open None n a closed Switches 6 and 7 program a delay between transmission of the serial data When both switches are closed there is no delay when both are open there is a 1 5 ms delay Switch 8 selects IEEE 488 mode or serial mode When switch 8 is closed the interface will c...
Страница 14: ... the command is interpreted as a read command Following the device command a data length byte is sent The data length is sent so the interface knows how many bytes to send or receive from the device and how many bytes to send or receive from the host If the number of bytes is incorrectly sent the protocol will become confused and the system will probably hang Each command has a command data length...
Страница 15: ...ication rate with minimal overhead for the target device The test busy protocol is similar to the normal protocol except that no data length byte is sent and a single byte is read from the interface The message still requires the device address the command and a colon to terminate the message Page 10 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 16: ...he bus has not yet been accepted ATN ATteNtioo Indicates to the MAC 2000 that the data bus contains a system command IEEE 488 bus command when asserted When not asserted indicates that data on the bus contains either status information of data IFC InterFace Clear Clears the IEEE 488 bus has the effect of resetting all devices on the bus IEEE 488 reset only not MAC 2000 reset SRQ Service ReQuest Th...
Страница 17: ...s device at addr to be a talker MLA addr My Listen Address Configures device at addr to be a listener SPE Serial Poll Enable Send to initiate serial poll sequence UNT UNTalk All devices addressed as talkers are deconfigured UNL UNListen All devices addressed as listeners are deconfigured DCL Device CLear Clears all devices on the IEEE 488 bus Page 12 Artisan Technology Group Quality Instrumentatio...
Страница 18: ...ing service This is done by sending an SPE to all devices on the bus Then sequentially the controller addresses all devices on the bus to talk MTA The MAC 2000 will respond with a data byte indicating status If data is ready to be sent the bit 7 will be set No other bits in this byte are used by the MAC 2000 After the serial poll for each device is complete the controller issues a UNT to clear the...
Страница 19: ...on and the lead screw pitch The motor resolution is determined from the setup and configuration of the motor drive electronics typically the step resolution is 10 000 steps per revolution The leadscrew pitch is a measurement of the distance the stage moves for a single turn of the lead screw shaft StageResolutJon LeadscrewPitch MotorStepsperRevolution The speed of the stage is similarly calculated...
Страница 20: ...n value decreases the time to ramp from the starting speed to the maximum speed will be decreased With a stepper motor care should be taken not to program the acceleration so that the motor will not be able to keep up When the drive electronics try to drive the motor beyond its physical capability it will stall and in an open loop system it will lose position PagelS Artisan Technology Group Qualit...
Страница 21: ... and acceleration will be instantaneous In summary most stages are designed to provide good resolution and speed at the default motor drive settings The maximum speeds will range between 25mm sec and 100 mm sec for lmm and 4mm pitch leadscrews with motor drivers set with the factory defaults Stage resolutions range from O lum to 0 4um for stages with lmm and 4mm pitch lead screws respectively Page...
Страница 22: ...ital and analog circuits to provide stable linear motor phase control outputs to the motor The MDMSP module allows for the programming of the microstep size and the maximum driving current for the motor Manual control of the motor is by external joystick or trackball input The system senses on power up if there is a joystick or trackball present If a joystick is present the system assumes that the...
Страница 23: ...CONI I VRATI OM WI TOt ADDRI IU tWI Figure 3 Motor Control Module Figure 4 Motor Driver MDMSP Configuration Switch Page 18 CJ 00 D Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 24: ...nd a single reference pulse input The module is configurable to support either a positive or negative TIL level to trigger the end limit for the axis of travel Normally with a mechanical switch in a standard LEP XY stage for example the low level 1TL will trigger the end limit while a typical optical interrupter type switch will have the opposite logic The relative motor direction is controlled by...
Страница 25: ...oximately 180mA to a base current setting of 300mA A closed switch position is active that is it provides the programmed current Each switch is independent of the others and no prescribed order needs to be followed when enabling Normal motor current is set for 800 900mA with the execption of the LEP inverted microscope stage which is configured for 600mA IU TOR 1 0 U Tl 1 D fiiCU IN t cw O IM LOOf...
Страница 26: ... MDMSP Motor Step Size Configuration Page 21 OPTIONAL lETTING f oao 1 eAott l l P Eft MDTOft lltiVOLUflOH I OCt llil CROITEP PER IIOTOft RliVOlVH ON ta eoo MICROSTEPS l flt NOTOIII JtEVOLUTION Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 27: ...nses on power up if there is a joystick or trackball present If a joystick is present the system assumes that the current joystick position is the idle position Deflecting the joystick either direction will rotate the motor The fast joystick button located on the top of the joystick will increase the slew rate of the motor If no joystick is sensed the system defaults to trackball mode where it wil...
Страница 28: ...ommodates different perceptions of motion and also optical image erection The direction of the joystick action does not affect the motor s relative position Each MCDCE module has inputs for two end limit switches two pre limit switches and a single reference pulse input The module is configurable to support either a positive or negative TTL level to trigger the end limit for the axis of travel Nor...
Страница 29: ...for all applications Different motors encoders and loads will require different settings A step by step adjustment of the servo loop is as follows Switch off power to the unit and disconnect the line cord Remove top cover from the controller by removing the four screws located on the sides of the unit Remove the DC motor driver module Note the approximate orientation of the adjustment potentiomete...
Страница 30: ...ick the stage begins to hum and vibrate then the above tuning steps should be repeated If it seems that the adjustment is not working return the adjustments to the old settings and check for other problems F UNCTI ON Vt l TCH J _ GAl N AOJ UtTIIIiNT GAU lN ADJUSTMENT Figure 7 DC Motor Driver Adjustments Page 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg...
Страница 31: ...r control can operate up to three 3 shutters The drive electronics utilizes a hi level drive supplying an initial high opening voltage for high speed action followed by a lower holding voltage The closure of the shutter is by a spring Shutters can be held open indefinitely without damage Owing to the simple design the shutters have proven to be extremely durable under heavy usage The shutters are ...
Страница 32: ...oles to accommodate mounting flanges for Leitz Nikon Olympus and Zeiss microscopes Filters can be easily inserted and removed from the filter wheel while the entire assembly is mounted on the microscope By loosening the two thumbscrews the filter wheel door can be hinged open to give access to the interior of the housing The fllter is held in place by a slit retaining ring which is spring loaded t...
Страница 33: ... two six position wheels that can accommodate six 25mm filters The unit also has a single high speed shutter Exchanging filters in the main filter wheel is performed according to the procedure described for the single filter wheel Changing filters in the second wheel is similar but slightly different The filter apertures are accessed from the cutout in the microscope side of the housing Depending ...
Страница 34: ...switch is in the open position the shutter will ALWAYS be open regardless of the host computer control the LED will show the actual status When the switch is in the closed position the shutter will ALWAYS be closed regardless of the host computer instruction When in automatic the shutter will act only on computer instruction the LED will still show the actual status of the shutter Page 29 Artisan ...
Страница 35: ... switch is moved up or down to change the filter position The filter will move only one position for each switch change For example to move two filter positions the switch must be activated twice When the system is first switched on the filter wheel automatically homes to position 1 Page 30 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 36: ...at power up so that the system will operate with most video systems without extensive programming Overview The autofocus operates on video contrast To determine the best focus the microprocessor turns the focus drive and measures contrast over a programmed range of focus travel Once the search is complete the motor is driven to the point at which the best contrast was measured This is a simplified...
Страница 37: ... controls the intensity of the outline from white to black The jumper located toward the front of the module will completely disable the outline When the jumper is on the left two pins the box is under computer control when it is on the right two pins the box is always off if the jumper is removed the box is always off Connection The video autofocus connections are relatively straightforward The f...
Страница 38: ... to count before taking a measurement and scan speed The search range is programmable for the coarse and fine searches for each high medium and low focus range This is useful ifyour microscope focus mechanism provides too little or too much focus travel This indirect y changes the resolution of the autofocus measurement since this range is divided by the number of measurements taken in the scan Th...
Страница 39: ...eed is also progammable The scan speed can be slowed to help compensate for unstable mechanical assemblies or fluid samples that must be moved slowly The speed can also be used to reduce the time delays that may be required in some systems Page 34 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 40: ... J i 0 0 0 va 0 Figure 12 Autofocus Module Page 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
Страница 41: ...Most standard stepper motors are designed to provide 1 8 degree of motion when this occurs To drive the motor the phases are continuously switched on and off sequentially to make repeated 1 8 steps resulting in continuous motion Since 1 8 degree steps will give a resolution of 200 steps per motor revolution 360 degrees electronic techniques are used to multiply that resolution Microstepping is one...
Страница 42: ...rection the stage was moving in the final approach to the position for each axis Again using the joystick move away from the point in the opposite direction about 5 10 millimeters Now move back to the previous position preferably with software control or joystick Note how far the crosshair is from the alignment point this error should be less than the specified repeatabilty for the stage Repeat th...
Страница 43: ...X and Y data The result should match closely the scale calibrated length The error in distance can be used to calculate the actual orthagonality error EPROM Upgrade Occasionally upgrades are made to the firmware on the MCMSE board The circuit board has an EPROM on board that can be exchanged if necessary The EPROM is located on the MCMSE module which can be easily removed from the frame see above ...
Страница 44: ...tely digital system which ensures high reliability If the motor is not running properly generally it is due to a configuration problem Table III p 21 will help to isolate problems that are common to configuration errors Filter Wheel The filter wheel because of its simplicity is relatively trouble free It may be possible to cause the motor to stall if the wheel is loaded with six 6 very heavy filte...
Страница 45: ...tem continuously up with joystick make sure joystick is in partially deflected full upright position Motor stalls too easily Motor current set too Increase motor current low on MDMSP module according to table Motor ramps up stops MCMSE is configured Configure MCMSE the ramps up again for encoder feed back according to above repeatedlv with no encoder table attached Motor turns in wrong Configurati...
Страница 46: ...Last Minute Changes Page 41 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...
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Страница 50: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...
