For more information, please visit the product page. rev. page 1 of 3 date 04/2009 DESCRIPTION: sine wave encoder PART NUMBER: MEH12-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 ± 10% 1000, 1500, 1800, 2000, 2500 2 μs or less (output cable 1 m or less) supply voltage output resolution (ppr) waveform rise/fall time MECHANICAL SPECIFICATIONS max shaft load, radial: axial: starting torque max rotational speed shock resistance vibration proof weight cable 0.98 N (100 gf) 0.98 N (100 gf) 1 x 10-3 N·m (20 gf·cm) 6000 RPM 500 m/s2 (50 G), 3 times each on XYZ 55 Hz, double amplitude 1.5mm, 2 hours each on XYZ 40 g 3 mm 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 MEH12 - (X)XXXXPS Bore options: 1.5 = 1.5 mm 2 = 2 mm 3 = 3 mm Resolution (PPR): 1000 = 1000 PPR 1500 = 1500 PPR 2000 = 2000 PPR 2500 = 2500 PPR 1800 = 1800 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: MEH12-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 04/2009 MEH12-PS PC FILE NAME: 2.5 0.098 7.0 0.276 2.0 0.079 Cable Color Output Type Output cable 1 meter 10.0 0.394 COPYRIGHT 2007 BY CUI INC. 8.0 0.315 A Black 0V - 1.5 - 2.0 Hole 4.0 0.157 A 25.0 0.984 19.0 0.748 2-M2 90 arrangement Red White Green Yellow Power A-Phase B-Phase Z-Phase 2-M2 depth 3 5.5 0.217 3.0 0.118 20.0 0.787 35° REV. A - 3.0 JMS DRAWN BY: MEH12-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 2:1 SCALE: MM [INCHES] REV: RoHS DATE 7/27/2007 For more information, please visit the product page.