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AB Soft Mercury 3000Si - page 1
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 S S e e n n s s o o r r s s I I n n s s t t a a l l l l a a t t i i o o n n M M a a n n u u a a l l a a n n d d R R e e f f e e r r e e n n c c e e G ...
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AB Soft Mercury 3000Si - page 2
icroE Systems was founded to advance encoder technology to a level never before achieved. Our objective was to design encoder systems that would be small enough to fit into densely packed OEM equipment designs, affordable enough for cost-sensitive applications and easy enough to enable installation, setup and alignment by assemblers with little tra ...
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AB Soft Mercury 3000Si - page 3
Page 1 P P r r e e c c a a u u t t i i o o n n s s Follow standard ESD precautions. T urn power off before connecting the sensor . Do not touch the electrical pins without static protection such as a grounded wrist strap. Do not touch the glass scale unless you are wearing talc-free gloves or finger cots. Please read this installation manual fo r f ...
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AB Soft Mercury 3000Si - page 4
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 holes (2) per sensor Optional sensor benching pins (3) Double shielded cables Center index mark T ypical user-supplied sensor mounting brackets T op refl ...
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AB Soft Mercury 3000Si - page 5
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 brackets) Rotary scale Dual Axis/SmartPrecision electronics module (interpolator) E E x x p p a a n n d d e e d d V V i i e e w w Rotary scale Mounting ...
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AB Soft Mercury 3000Si - page 6
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. See data sheet for alignment ...
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AB Soft Mercury 3000Si - page 7
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 . For sensor 1, the Sig 1 multicolor LED will t ...
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AB Soft Mercury 3000Si - page 8
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. Use 2 washers per ...
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AB Soft Mercury 3000Si - page 9
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 . For sensor 1, the Sig 1 multicolor LED will ...
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AB Soft Mercury 3000Si - page 10
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. Pin locations are described o ...
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AB Soft Mercury 3000Si - page 11
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. If a cust ...
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AB Soft Mercury 3000Si - page 12
Page 10 Customer Interface Cable Requirements Customer cables that interface to Mercury series encoders must have the following characteristics: • T wisted pair signal wiring. • Characteristic impedance of 100-120 ohms. • Sufficient wire gauge to meet the minimum voltage requirement at the encoder , for example 24AWG gauge wire for a 2m lengt ...
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AB Soft Mercury 3000Si - page 13
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. When the optical sensor speed and/or the interpolation multiplier is set high, the Quadrature output frequencies will be ex ...
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AB Soft Mercury 3000Si - page 14
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. The index value has the same resolution as the interpola ...
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AB Soft Mercury 3000Si - page 15
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 1.1 or higher) MicroE SS300cDI SmartPrecision ...
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AB Soft Mercury 3000Si - page 16
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). T ...
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AB Soft Mercury 3000Si - page 17
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. Example shown: Index for Channel 1 selected O O u u t t p p u u t t C C h h a a n n n n e e l l s s [ [ 1 1 - - 2 2 - - 3 3 ] ] : The Mercury Dual Axis Averager uses two sensors as in ...
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AB Soft Mercury 3000Si - page 18
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. Some applications do not require 18 bits of fringe count. The SPI Settings box allows the user to reduce the fringe counter to suit the applica- tion and thereby increasing the maximum sampling r ...
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AB Soft Mercury 3000Si - page 19
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. The indicator will be green as long as the encoder is within the index window . Dual Axis Software ...
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AB Soft Mercury 3000Si - page 20
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. T o calibrate Channel 1: Through Software: Select "CALIBRA TE SIGNAL o ...
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AB Soft Mercury 3000Si - page 21
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. The number of data points to be plotted on the graph at one time can be changed using the "Plot Settings&quo ...
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AB Soft Mercury 3000Si - page 22
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 to 90% RH non-condensing PIN Funct i on 1 S erial Dat a Out put 1+ 2 S erial Dat a Out put 1- 3 Chip S el ec t Input 1+ 4 Chip S el ec t Input 1- 5 S e ...
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AB Soft Mercury 3000Si - page 23
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 . See table for interpolator signal names, pin names, and pin locations I/ ...
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AB Soft Mercury 3000Si - page 24
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 spiClock to Data V alid 80 ns tCCS spiClock to n_spiEnable 0 ns tCS n_spiEnable High 50 ns All timing are specified assuming no propagation de ...
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AB Soft Mercury 3000Si - page 25
Operational Modes: T rigger Approach T iming 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 1420 1600 ns tW n _ spiEnable Low for trigger 50 ns tCSC n_spiEnable to spiClock 0 tCSD n_spiEnable to DataV alid 80 ns tV spiClock to ...
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AB Soft Mercury 3000Si - page 26
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. Problem N ...
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AB Soft Mercury 3000Si - page 27
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 . Handle the scale by the edges. Do not scrub the scale. W orld Headquarters: 125 Middlesex T urn ...
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