HEDS-9200 Series High Performance High Resolution Cost Easy Mount

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HEDS-9200 Series High Performance High Resolution Cost Easy Mount

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Linear Optical Incremental Encoder Modules Technical Data
HEDS-9200 Series
High Performance High Resolution Cost Easy Mount Signal Adjustment Required Insensitive Mechanical Disturbances Small Size -40°C 100°C Operating Temperature Channel Quadrature Output Compatible Single Supply
Description
HEDS-9200 series high performance, cost, optical incremental encoder module. When operated conjunction with codestrip, this module detects linear position. module consists lensed source detector enclosed small C-shaped plastic package. highly collimated light source unique photodetector array, module extremely tolerant mounting misalignment. channel digital outputs single supply input
Note: Codestrip included with HEDS-9200
accessed through four 0.025 inch square pins located inch centers. Five standard resolutions between 4.72 counts (120 counts
Package Dimensions
N.C.
2.54 (0.100) TYP. 1.52 (0.060) (0.04) DATE CODE 3.73 0.05 (0.147 0.002) 20.8 (0.82) 11.7 (0.46) 2.67 (0.105) DIA. MOUNTING THRU HOLE PLACES 2.44/2.41 2.79 (0.096/0.095 0.110) 2.16 (0.085) DEEP OPTICAL CENTER OPTICAL CENTER LINE 5.46 0.10 (0.215 0.004) 2.21 (0.087) 2.54 (0.100) (0.07) (0.11) (0.27)
OPTION CODE (0.20)
0.63 (0.025) SQR. TYP.
26.67 (1.05) 15.2 (0.60)
(0.34)
11.9 (0.47)
1.02 0.10 (0.040 0.004)
ALIGNING RECESS 2.44/2.41 DIA. 1.85 (0.073) (0.096/0.095) 2.16 (0.085) 8.64 (0.340) DEEP REF.
WARNING: NORMAL HANDLING PRECAUTIONS SHOULD TAKEN AVOID STATIC DISCHARGE.
HEDS-9200
YYXX
4.75 0.10 (0.187 0.004) ALIGNING RECESS 2.44/2.41 2.79 (0.096/0.095 0.110) 2.16 (0.085) DEEP OPTICAL CENTER
8.81 (0.23) (0.347) ALIGNING RECESS 2.44/2.41 DIA. (0.096/0.095) 2.16 (0.085) DEEP 4.11 (0.162) 6.35 (0.250) REF.
17.27 (0.680) 20.96 (0.825)
1.78 0.10 (0.070 0.004) 2.92 0.10 (0.115 0.004) 10.2 (0.400)
SIDE
TYPICAL DIMENSIONS MILLIMETERS (INCHES)
SIDE
Block Diagram
Output Waveforms
inch) 7.87 counts (200 counts inch) available. Consult local Agilent sales representatives other resolutions ranging from 7.87 counts counts inch).
Applications
HEDS-9200 provides sophisticated motion detection cost, making ideal high volume applications. Typical applications include printers, plotters, tape drives, factory automation equipment. Note: Agilent Technologies encoders recommended safety critical applications. braking systems, power steering, life support systems critical care medical equipment. Please contact sales representative more clarification needed.
seen block diagram, module contains single Light Emitting Diode (LED) light source. light collimated into parallel beam means single polycarbonate lens located directly over LED. Opposite emitter integrated detector circuit. This consists multiple sets photodetectors signal processing circuitry necessary produce digital waveforms. codestrip moves between emitter detector, causing light beam interrupted pattern spaces bars codestrip. photodiodes which detect these interruptions arranged pattern that corresponds count density codestrip. These detectors also spaced such that light period pair detectors corresponds dark period adjacent pair detectors. photodiode outputs then through signal processing circuitry resulting comparators receive these signals produce final outputs channels this integrated phasing technique, digital output channel
quadrature with that channel degrees phase).
Definitions
Count density (D): number window pairs unit length codestrip. Pitch: 1/D, unit length count. Electrical degree (°e): Pitch/360, dimension window pair divided 360. cycle (C): electrical degrees, window pair. Pulse Width (P): number electrical degrees that output high during cycle. This value nominally 180°e cycle. Pulse Width Error (P): deviation, electrical degrees, pulse width from ideal value 180°e. State Width (S): number electrical degrees between transition output channel neighboring transition output channel There states cycle, each nominally 90°e.
Theory Operation
HEDS-9200 C-shaped emitter/detector module. Coupled with codestrip translates linear motion into two-channel digital output.
State Width Error (S): deviation, electrical degrees, each state width from ideal value 90°e. Phase number electrical degrees between center high state
channel center high state channel This value nominally 90°e quadrature output. Phase Error deviation phase from ideal value 90°e.
Direction Movement: When codestrip moves, relative module, direction arrow module, channel will lead channel codestrip moves opposite direction, channel will lead channel
Absolute Maximum Ratings
Parameter Storage Temperature Operating Temperature Supply Voltage Output Voltage Output Current Channel Symbol Min. -0.5 -0.6 Typ. Max. Units Volts Volts Notes
Recommended Operating Conditions
Parameter Temperature Supply Voltage Load Capacitance Count Frequency Symbol Min. Typ. Max. Units Volts Notes Ripple Vp-p Pull-Up Resistor Velocity inch Counts inch
Note: module performance guaranteed operate higher frequencies.
Encoding Characteristics
Encoding Characteristics Over Recommended Operating Range Recommended Mounting Tolerances. These Characteristics Include Codestrip Defects. Parameter Pulse Width Error Logic State Width Error Phase Error Symbol Min. Typ. Max. Units elec. deg. elec. deg. elec. deg. Notes
Electrical Characteristics
Electrical Characteristics Over Recommended Operating Range, Typical 25°C Parameter Supply Current High Level Output Voltage Level Output Voltage Rise Time Fall Time Symbol Min. Typ. Max. Units Volts Volts Notes Max. Pull-Up
Note: improved performance noisy environments high speed applications, pull-up resistor recommended.
Derating Curves over Extended Operating Frequencies (HEDS-9200 Series)
Below derating curves state, duty, phase over extended operating frequencies (recommended maximum frequency kHz). curves were derived using standard load. -40°C operation feasible above because will drop below (the minmum logic state high) beyond that frequency.
CHANGE PULSE WIDTH ERROR (ELECTRICAL DEGREE) CHANGE STATE WIDTH ERROR (ELECTRICAL DEGREE)
-40°C
100°C 25°C
25°C 100°C
-40°C
FREQUENCY (kHz)
FREQUENCY (kHz)
CHANGE PHASE ERROR (ELECTRICAL DEGREE)
CHANGE (VOLTS)
100°C 25°C -40°C
100°C 25°C -40°C
FREQUENCY (kHz)
FREQUENCY (kHz)
Recommended Codestrip Characteristics
Codestrip design must take into consideration mounting referenced either side side (see Figure
Mounting Referenced Side
MOUNTING THRU HOLE ALIGNING RECESS
Mounting Referenced Side
MOUNTING THRU HOLE ALIGNING RECESS
MODULE OPTICAL CENTER LINE (0.040) REF.
4.75 (0.187) REF.
PITCH
Figure Codestrip Design.
STATIC CHARGE WARNING: LARGE STATIC CHARGE CODESTRIP HARM MODULE. PREVENT ACCUMULATION CHARGE.
Parameter Window/Bar Ratio Mounting Distance Window Edge Module Center Line Parallelism Module Codestrip
Symbol
Mounting Ref. Side min., max. 0.51 (0.020) 0.90 (0.035) min.
Mounting Ref. Side min., max. 3.23 (0.127) 0.90 (0.035) min.
Units (inch) (inch)
max.
max.
deg.
Note: parameters equations must satisfied over full length codestrip travel including maximum codestrip runout.
Mounting Considerations
Notes: These dimensions include codestrip warp. Reference definitions page Maximum recommended mounting screw torque kg-cm (3.5 in-lbs).
Connectors
Manufacturer DuPont Agilent Molex Part Number 103686-4 640442-5 65039-032 with 4825X-000 Term. HEDS-8902 with 4-wire Leads 2695 Series with 2759 Series Term. Mounting Surface Both Side Both Side Side
Note: connectors above lock.
Ordering Information
HEDS-9200 Option Resolution Counts (inch) 7.09 (180) 11.81 (300)* 14.17 (360)* Pitch (inch) count 10.141 (0.0056) 0.085 (0.0033)* 0.071 (0.0028)*
Consult local Agilent sales representatives other resolutions.
*Please refer separate HEDS-9000/9100/9200 Extended Resolution Series data sheet detailed information.
www.agilent.com/semiconductors
product information complete list distributors, please site. technical assistance call: Americas/Canada: (800) 235-0312 (408) 654-8675 Europe: 6441 92460 China: 10800 0017 Hong Kong: (+65) 6271 2451 India, Australia, Zealand: (+65) 6271 2394 Japan: (+81 0120-61-1280(Domestic Only) Korea: (+65) 6271 2194 Malaysia, Singapore: (+65) 6271 2054 Taiwan: (+65) 6271 2654 Data subject change. Copyright 2002 Agilent Technologies, Inc. Obsoletes 5988-5854EN 2002 5988-6711EN

HEDS-9200 Series High Performance High Resolution Cost Easy Mount

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