For more information, please visit the product page. rev. page 1 of 3 date 10/2008 DESCRIPTION: sine wave encoder PART NUMBER: MEH20-PS ELECTRICAL SPECIFICATIONS output waveform output signals current consumption frequency response output phase difference A, B phase sine wave, Z phase square wave A, B, Z phase ≤40 mA 0~50 KHz A, B phase difference 90° ± 45° (T/4±T/8) Z phase T±T/2 (see output waveform) 5 V dc ± 5% 1000, 2000, 2500 supply voltage output resolution (ppr) MECHANICAL SPECIFICATIONS max shaft load, radial: axial: starting torque max rotational speed shock resistance vibration proof weight cable 14.7N (1.5kgf) 4.9N (0.5kgf) 2 x 10-3 N·m (20 gf·cm) 6000 RPM 500 m/s2 (50G), 3 times each on XYZ 55 Hz, double amplitude 1.5mm, 2 hours each on XYZ 70g (with 1m cable) 4.2mm outside diameter, 5 core vinyl wire insulated shield cable (1m) ENVIRONMENTAL SPECIFICATIONS operating temp storage temp humidity 0° ~ +50° C -20° ~ +80° C RH 35%~90% non collecting ORDERING INSTRUCTIONS MEH20 - XXXXPS Resolution (PPR): 1000 = 1000 PPR 2000 = 2000 PPR 2500 = 2500 PPR 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 For more information, please visit the product page. rev. DESCRIPTION: sine wave encoder PART NUMBER: MEH20-PS CIRCUIT CONNECTIONS A, B Phase 5mA max 51Ω + A sine, B sine White, Green +5V Red Z Yellow 0V Black 5mA max Z Phase 2.2kΩ 20mA max CABLE SHIELD A capacitor (0.1 µF) is connected between 0 V and FG (frame ground). OUTPUT WAVEFORM Sine wave output Clockwise rotation viewed from front T t1 t2 t3 t4 Ch A 2.0V 1.5Vpp Ch B 4Vmin. Ch Z Z T T T = 360˚/ divisions t1,t2,t3,t4 = ± 4 8 Z = T ± 0.50T M = M X 20% or less Amplitude variation rate Amplitude waviness A/B Phase amplitude ratio The position of Z phase against A, B phase is not specified 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 page 2 of 3 date 10/2008 MEH20-PS PC FILE NAME: 0.8 0.030 COPYRIGHT 2007 BY CUI INC. 25.0 0.984 22.0 0.866 Output Cable L=1000 Cable Color Output Type 2.3 0.089 White Green Yellow Red Power A-Phase B-Phase Z-Phase 5.5 0.217 4.2 0.165 32.0 1.260 5.0 0.197 Black 0V 30° - 10.0 0.394 6.7 0.264 - 3-M3 depth 5 equal arrangement PCD=24 REV. A - JMS DRAWN BY: MEH20-PS APPROVED BY: Incremental Encoder PART NO. TITLE: UNITS: 20050 SW 112th Ave. Tualatin, OR 97062 Phone: 503-612-2300 800-275-4899 Fax: 503-612-2383 Website: www.cui.com TOLERANCE: ±0.3mm UNLESS OTHERWISE SPECIFIED DESCRIPTION NEW DRAWING A 1:1 SCALE: MM [INCHES] REV: RoHS DATE 7/27/2007 For more information, please visit the product page.