H Panel Mount Optical Encoders Technical Data HEDS-5700 Series Features • Two Channel Quadrature Output with Optional Index Pulse • Available with or without Static Drag for Manual or Mechanized Operation • High Resolution – Up to 512 CPR • Long Rotational Life, >1 Million Revolutions • -20 to 85°C Operating Temperature Range • TTL Quadrature Output • Single 5 V Supply • Available with Color Coded Leads Description The HEDS-5700 series is a family of low cost, high performance, optical incremental encoders with mounted shafts and bushings. The HEDS-5700 is available with tactile feedback for hand operated panel mount applications, or with a free spinning shaft for applications requiring a pre-assembled encoder for position sensing. The encoder contains a collimated LED light source and special detector circuit which allows for high resolution, excellent encoding performance, long rotational life, and increased reliability. The unit outputs two digital waveforms which are 90 degrees out of phase to provide position and direction information. The HEDS-5740 Series provides a third Index Channel. Package Dimensions THREAD 3/8-32 NUT 3/8-32 x 7/16" OPTIONAL WIRING COLOR CODE TABLE * COLOR WHITE BROWN RED BLACK BLUE (THREE CHANNEL) OUTPUT A B VCC GND I *Note: For the HEDS-5700, Pin #2 is a No Connect. For the HEDS-5740, Pin #2 is Channel I, the index output. 2-116 5965-5871E applications requiring digital information from a manually operated knob. Typical front panel applications include instruments, CAD/CAM systems, and audio/video control boards. Applications The HEDS-5700 without static drag (free spinning) is best suited for low speed, mechanized The HEDS-5700 with the static drag option is best suited for operations. Typical applications are copiers, X-Y tables, and assembly line equipment. MOTION SENSING AND CONTROL The HEDS-5700 is quickly and easily mounted to a front panel using the threaded bushing, or it can be directly coupled to a motor shaft (or gear train) for position sensing applications. Absolute Maximum Ratings Parameter Symbol Min. Max. Units Ts Ta -40 -20 +85 +85 20 7 VCC 5 1 1 °C °C g V V mA lb lb Storage Temperature Operating Temperature Vibration Supply Voltage Output Voltage Output Current per Channel Shaft Load – Axial – Radial VCC VO IO -0.5 -0.5 -1 Notes 20 Hz - 2 kHz Recommended Operating Conditions Parameter Symbol Min. Max. Units Notes Temperature Supply Voltage Rotational Speed – Drag – Free Spinning T VCC -20 4.5 +85 5.5 300 2000 °C V RPM RPM Noncondensing Atmosphere Ripple <100 mVp-p Electrical Characteristics Over Recommended Operating Range, Typical at 25°C Parameter Symbol Supply Current ICC High Level Output Voltage Low Level Output Voltage VOH VOL Min. Typ. Max. Units 17 40 mA 57 85 2.4 0.4 V V Notes Two Channel Three Channel IOH = -40 µA Max. IOL = 3.2 mA Note: If more source current is required, use a 3.2 K pullup resistor on each output. 2-117 Mechanical Characteristics Parameter Min. Starting Torque – Static Drag – Free Spinning Dynamic Drag – Static Drag – Free Spinning Rotational Life – Static Drag – Free Spinning Mounting Torque of Nut Output Waveforms Typ. Max. 0.47 0.14 1.1 0.70 1 x 106 12 x 106 13 Units oz in oz in oz in oz in Revolutions Revolutions lb in Notes 100 RPM 2000 RPM 1 lb Load 4 oz Radial Load 360 ± 5.5 CH A 180 ± 45 S1 S2 S3 S4 90 ± 45 TYPICAL CH B 90 ± 45 CH I NOTE: ALL VALUES ARE IN ELECTRICAL DEGREES, WHERE 360° e = 1 CYCLE OF RESOLUTION. ERRORS ARE WORST CASE OVER ONE REVOLUTION. CH B LEADS CH A FOR COUNTERCLOCKWISE ROTATION. CH A LEADS CH B FOR CLOCKWISE ROTATION. Ordering Information HEDS-57 Outputs 0 - 2 Channel 4 - 3 Channel Mechanical Configuration 0 - Pins 1 - 6" Coded Leads Resolutions (Cycles Per Revolution) HEDS-570X 2 Channel K - 96 CPR G - 360 CPR C - 100 CPR H - 400 CPR D - 192 CPR A - 500 CPR E - 200 CPR I - 512 CPR F - 256 CPR HEDS-574X Three Channel* F - 256 CPR A - 500 CPR G - 360 CPR I - 512 CPR *Please contact factory for other resolutions. 2-118 Drag Option 0 - Free Spining 1 - Static Drag Shaft Configuration 0 - 1/4" dia. with no flat 1 - 6 mm dia. with no flat 2 - 1/4" dia. with flat