HEDS-9000/9100/9200 Extended Resolution Series High Resolution: 2

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HEDS-9000/9100/9200 Extended Resolution Series High Resolution: 2

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Channel High Resolution Optical Incremental Encoder Modules Technical Data
HEDS-9000/9100/9200 Extended Resolution Series
High Resolution: 2048 Cycles Revolution 8192 Counts Revolution with Decoding Channel Quadrature Output Cost Easy Mount Signal Adjustment Required Small Size -40°C Operating Temperature Compatible Single Supply
codestrip, these modules detect relative linear position. These modules consist lensed Light Emitting Diode (LED) source detector enclosed small shaped plastic package. highly collimated light source unique photodetector array, these modules provide highly reliable quadrature output. HEDS-9000 HEDS-9100 designed with codewheels which have optical radius 23.36 respectively. HEDS-9200 designed with linear codestrip. These components produce channel quadrature output which accessed through five 0.025 inch square pins located inch centers. resolution HEDS-9000 Options 2000 2048 counts revolution respectively. HEDS-9100 Options 1000 1024 counts revolution respectively. HEDS-9200 Option linear encoder modules have resolutions lines inch. Consult local Agilent sales representatives other resolutions. 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.
Description
HEDS-9000 Options HEDS-9100 Options high resolution channel rotary incremental encoder modules. These options extension popular HEDS-9000 HEDS-9100 series. When used with codewheel, these modules detect relative rotary position. HEDS-9200 Option high resolution linear encoder modules. When used with
WARNING: NORMAL HANDLING PRECAUTIONS SHOULD TAKEN AVOID STATIC DISCHARGE.
Block Diagram
Output Waveforms
Theory Operation
diagram shown following page block diagram encoder module. seen this block diagram, module contains single 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. codewheel/codestrip passes between emitter detector, causing light beam interrupted pattern spaces bars codewheel. photodiodes which detect these interruptions arranged pattern that corresponds codewheel/ 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).
transition output channel neighboring transition output channel There states cycle, each nominally 90°e. State Width Error 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 Rotation: When codewheel rotates direction arrow module, channel will lead channel codewheel rotates opposite direction, channel will lead channel Optical Radius (Rop distance from codewheel's center rotation optical center (O.C.) encoder module.
Definitions
Count (N): number window pairs counts revolution (CPR) codewheel. cycle (C): electrical degrees (°e), window pair. Shaft Rotation: mechanical degrees, cycles. Pulse Width (P): number electrical degrees that output high during cycle. This value nominally 180°e cycle. Pulse Width Error deviation, electrical degrees pulse width from ideal value 180°e. State Width (S): number electrical degrees between
Package Dimensions
26.67 (1.05) 15.2 (0.60) 2.54 (0.100) TYP. 1.52 (0.060) (0.04) DATE CODE 3.73 0.05 (0.147 0.002) 1.02 0.10 (0.040 0.004) HEDS-9X00
YYXX
(0.34)
N.C.
OPTION CODE (0.20)
(0.07) 2.21 (0.087) (0.11) (0.27)
0.63 (0.025) SQR. TYP.
20.8 (0.82) 11.7 (0.46)
2.54 (0.100)
11.9 (0.47)
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.
17.27 (0.680) 20.96 (0.825)
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
1.78 0.10 (0.070 0.004) 2.92 0.10 (0.115 0.004) 10.16 (0.400)
OPTICAL CENTER LINE 5.46 0.10 (0.215 0.004)
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.
SIDE
TYPICAL DIMENSIONS MILLIMETERS (INCHES)
SIDE
Absolute Maximum Ratings
Storage Temperature, -40°C 100°C Operating Temperature, -40°C 100°C Supply Voltage, -0.5 Output Voltage, -0.5 Output Current Channel, Iout -1.0
Recommended Operating Conditions
Parameter Temperature Supply Voltage Load Capacitance Count Frequency Shaft Axial Play Symbol Min. Typ. Max. 0.125 0.005 Units Volts Ripple pull-up resistor Velocity (rpm) N/60 Notes
Note: module performance guaranteed operate higher frequencies. frequencies above recommended that load capacitance exceed pull resistance exceed typical module performance above please derating curves.
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. Typical Max. Units Volts Volts -200 max. 3.86 pull-up Notes
Encoding Characteristics
Encoding Characteristics over Recommended Operating Range Recommended Mounting Tolerances. These Characteristics include codewheel/codestrip contribution. Typical Values averages over full rotation codewheel. operation above kHz, frequency derating curves.
Description Pulse Width Error Logic State Width Error Phase Error
Symbol
Typical
Maximum
Units
Note: Module mounted tolerance circle 0.13 0.005 in.) radius referenced from module Side aligning recess centers. pull-up resistors used encoder module outputs.
Derating Curves over Extended Operating Frequencies (HEDS-9000/9100/9200 Extended 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)
100°C 25°C
-40°C
25°C
-40°C
100°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)
Setting Rotary Linear Modules
distance between image side codewheel detector surface module. This dimension must always codewheel warp shaft play must stay within this range. This dimension shown Figure
SIDE
+0.51 +0.020 6.63 -0.25 0.261 -0.010 NOTE
SIDE IMAGE SIDE CODEWHEEL/CODESTRIP CODEWHEEL/CODESTRIP
+0.25 +0.010 3.56 -0.51 0.140 -0.020 NOTE
Mounting Considerations Rotary Modules
Figure shows mounting tolerance requirement proper operation high resolution rotary encoder modules. Aligning Recess Centers must located within tolerance circle 0.13 (0.005 in.) radius from nominal locations. This tolerance must maintained whether module mounted with side mounting plane using aligning pins (see Figure mounted with Side mounting plane using alignment tool.
NOTES: THESE DIMENSIONS INCLUDE CODEWHEEL/CODESTRIP WARP SHAFT PLAY. DIMENSIONS MILLIMETERS (INCHES).
Figure Module Setting.
Mounting with Aligning Pins
high resolution rotary encoder modules mounted using aligning pins motor base. (Agilent does provide aligning pins.) this configuration, Side must used mounting plane. Aligning Recess Centers must located within 0.13 (0.005 in.) Tolerance Circle explained above. Figure shows necessary dimensions.
Figure Rotary Module Mounting Tolerance.
Mounting with Alignment Tools
Agilent offers alignment tools mounting Agilent encoder modules conjunction with Agilent codewheels, using side mounting plane. Please refer Agilent codewheel data sheet more information.
PLACES NOTE
NOTE RECOMMENDED MOUNTING SCREW TORQUE KG-CM (3.5 IN-LBS).
Figure Mounting Plane Side
Mounting Considerations Linear Modules
Mounting Plane Side
Mounting Plane Side
Recommended Codewheel Characteristics
Parameter Window/Bar Ratio Window Length Absolute Maximum Codewheel Radius
Symbol
Minimum (0.07)
Maximum
Units
Notes
(inch) (0.075) (inch) Includes eccentricity errors
Recommended Codestrip Characteristics Alignment
Codestrip design must take into consideration mounting referenced either side side (see Figure Mounting Referenced Side Mounting Referenced Side
Figure Codestrip Design
STATIC CHARGE WARNING: LARGE STATIC CHARGE CODESTRIP HARM MODULE. PREVENT ACCUMULATION CHARGE.
Parameter Window/Bar Ratio Window Distance Window Edge Module Center Line Parallelism Module Codestrip
Symbol
Mounting Ref. Side min., max. 0.51 (0.020) 0.90 (0.035) min. max.
Mounting Ref. Side min., max. 3.23 (0.127) 0.90 (0.035) min. max.
Units
(inch) (inch) deg.
Note: parameters equations must satisfied over full length codestrip travel including maximum codestrip runout.
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 (see Fig. Side
Figure HEDS-8902 Connector.
Ordering Information
Channel Encoder Modules with 23.36 Optical Radius HEDS-9000 Option
Resolution (Cycles/Rev) 2000 2048
Channel Encoder Modules with 11.00 Optical Radius HEDS-9100 Option Resolution (Cycles/Rev) 1000 1024
Channel Linear Encoder Module HEDS-9200 Option
Resolution (Cycles/Rev)
Note: lower resolutions, please refer HEDS-9000/9100 HEDS-9200 data sheets detailed information.
*Codewheel Information
information matching codewheels accessories with Agilent rotary encoder modules, please refer Agilent Codewheel Data sheet HEDS-5120/6100, HEDG-5120/6120, HEDM-5120/6120.
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 5988-5855EN 2002 5988-6710EN

HEDS-9000/9100/9200 Extended Resolution Series High Resolution: 2

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