Gebruiksaanwijzing /service van het product Dual Axis Averager Mercury 3000Si van de fabrikant MicroE Systems
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Mercury ™ 3 000Si Dual Axis A verager M M o o t t i i o o n n C C o o n n t t r r o o l l F F e e e e d d b b a a c c k k U U s s i i n n g g A A v v e e r r a a g g i i n n g g o o f f T T w w o o .
I I n n t t r r o o d d u u c c t t i i o o n n M icroE Systems was founded to a d v ance encoder technology to a level never before achieved. Our objective was to design encoder systems that would be.
Page 1 T T a a b b l l e e O O f f C C o o n n t t e e n n t t s s SYSTEM ILLUSTRA TION P AGE Encoder with Linear scale 2 Encoder with Rotar y scale 3 INST ALLA TION INSTRUCTIONS Encoder System Mounti.
Mercury 3000Si Encoder System with Linear scale Page 2 E E x x p p a a n n d d e e d d V V i i e e w w Scale benching edge End locator pin End index mark Sensor mounting holes (2) Bracket mounting hol.
Mercury 3000Si Encoder System with Rot ary scale Page 3 Double shielded cable S S y y s s t t e e m m V V i i e e w w Shown with Rotary scale Sensors (shown attached to a customer -supplied mounting b.
Inst allation Instructions Linear Encoders - Mounting Page 4 1 2 Install the sensors on your mounting surfaces referencing the appropriate datum surface as shown on the interface drawing. Use 2 washers per mounting screw . Benching pins may be used to locate each sensor if the system mechanical tolerances are adequate.
Inst allation Instructions Linear Encoders - Alignment Page 5 5 If benching dimensions cannot be provided, proper sensor alignment may require minor adjustments to each sensor’ s position with respect to the scale. This can be performed easily using the LED alignment indicators, as illustrated below .
Inst allation Instructions Rot ary Encoders - Mounting Page 6 Attach your hub/scale assembly to the rotary device. Refer to the interface drawing. The reflective surface of the scale must face the sensors. 1 2 Install the sensors on your mounting surface referencing the appropriate datum surface as shown on the interface drawing.
Inst allation Instructions Rot ary Encoders - Alignment Page 7 5 If benching dimensions cannot be provided, proper sensor alignment may require minor adjustments to each sensor’ s position with respect to the scale. This can be performed easily using the LED alignment indicators, as illustrated below .
Reference Section Installation of Linear Scales Page 8 MicroE Systems L 0.2L 0.6L 0.2L Benching pins Positioning the Scale Note: Before beginning mounting procedure, use talc-free gloves or finger cots to handle the scales. "Benching" the scale to the system means aligning the scale by means of benching pins.
Page 9 Reference Section Sensors mounted with good electrical contact to a well-grounded surfaces (preferred) 1. 25-pin D-sub connector grounding: The encoder's connector shell must be in intimate, electrically conductive contact with the customer - supplied mating connector , which must be isolated from the controller's ground.
Page 10 Customer Interface Cable Requirements Customer cables that interface to Mercury series encoders must have the following characteristics: • T wisted pair signal wiring.
Introduction Historically , the method of choice for many optical position feedback systems has been A quad B (Quadrature) output. The limitation of this method is output speed, especially when the interpolation level is high.
Index Processing A unique physical position is referenced on all gratings and is called an index position. The value of this position is determined during an index capture routine initiated by a button press or the SmartPrecision Software and is permanently stored for use after power cycling.
Hardware Requirements: SmartPrecision Software for M3000SiDAA requires a PC with the following minimum specifications: · Windows 2000 or XP operating systems · 300MHz · 32Mb RAM · 1024 x 768 or higher screen resolution with High Color (16 bit color) · 20Mb free disk space · One USB port (V ersion 1.
The M3000SiDAA interpolator module can be configured quickly and easily using the SmartPrecision Software. The M3000SiDAA inter - polator will accept input from two separate encoders. The M3000SiDAA has three output channels. These can be configured to output the following: Channel 1, Channel 2, Average ((Ch1+Ch2)/2), and/or Difference (Ch1-Ch2).
C C h h a a n n n n e e l l f f o o r r A A v v e e r r a a g g e e I I n n d d e e x x : : Selects the input channel index that will be used for the Averaged output.
F F r r i i n n g g e e C C o o u u n n t t e e r r S S i i z z e e The M3000SiDAA allows the user to configure the serial word to increase sampling rate.
Display Setting The Status Display in the center of the screen gives the user a snapshot of the interpolator con- figuration as well as Index posi- tion indication. The indicator light on the SmartPrecision soft- ware mimics the LED on the M3000SiDAA.
Calibration - SmartPrecision Sof tware Calibration should be performed only after each of the encoders is aligned properly . Calibration can be initiated by either the Calibrate button using Smart Signal Software or through the recessed push button switch in the M3000SiDAA.
Encoder Signal Data Plot showing pre-porcessed and processed data. The Encoder Signal Graph will plot the encoder signal for Channel 1 or Channel 2. The M3000SiDAA has a USB interface which allows very fast data collection and plotting.
Operating and Electrical Specifications Maximum Power Supply: 5V+/-5% @ 550mA (including two sensors) Operating T emperature: 0 to 70 degrees C Storage T emperature: -30 to 80 degrees C Humidity: 10 t.
Serial Output S pecification The interface to the M3000SiDAA Interpolator uses the following signals to implement serial communication, n_spiEnable (n_CS), spiDataOut (SDO), spiClockIn (SCK), and optionally spiClockOut (SCF). Each signal is differential and RS-422 compatible .
Symbol Parameter Minimum T ypical Maximum Units tspiH spiClock High T ime 50 ns tspiL spiClock Low Time 50 ns tCSC n_spiEnable to spiClock 0 ns tCSD n_spiEnable to DataV alid 80 ns tV .
Operational Modes: T rigger Approach Timing Diagram Symbol Parameter Minimum T ypical Maximum Units tspiH spiClock High T ime 50 ns tspiL spiClock Low Time 50 ns tTDR n _ spiEndable to DataReady 1.
T roubleshooting Problem The Power/Calibration indicator will not come on. Solution • Make sure that the SmartPrecision electronics’ 25-pin HD connector is fully seated and connected. • Confirm that +5 Volts DC is being applied to pin 24 on the SmartPrecision electronics’ 25-pin HD connector and that pin 25 is connected to ground.
Cont act MicroE Systems Cleaning scales General Particle Removal Blow off the contamination with nitrogen, clean air , or a similar gas. Contamination Removal Use a lint-free cleanroom wipe or cotton swab dampened with isopropyl alcohol or acetone only .
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