For more information, please visit the product page. rev. page 1 of 3 date 11/16/2007 DESCRIPTION: incremental encoder PART NUMBER: MEH9 ELECTRICAL SPECIFICATIONS output waveform output signals current consumption frequency response output phase difference Square Wave A, B, Z phase ≤40 mA 0~100 KHz A, B phase difference 90° ± 45° (T/4±T/8) Z phase T±T/2 (see output waveform) 5 V dc ± 10% 100, 200, 256, 300, 360, 500, 1000 2μ or less (outout cable 140mm 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 1.9N (200gf) 0.98N (100gf) (1000 ppr) 1.9N (200gf) 0.98N (100gf) (1000 ppr) 1 x 10-3 N·m (10 gf·cm max.) 6000 RPM 500 m/s2 (50G), 3 times each on XYZ 55 Hz, double amplitude 1.5mm, 2 hours each on XYZ 10g (with 140mm cable) Vinyl wire (AWG 30) 140mm cable ENVIRONMENTAL SPECIFICATIONS operating temp storage temp humidity 0° to +60° C -20° to +80° C RH 35%~90% non collecting ORDERING INSTRUCTIONS MEH9 - XXXPX Resolution (PPR): 100 = 100 PPR 300 = 300 PPR 200 = 200 PPR 360 = 360 PPR 256 = 256 PPR 500 = 500 PPR 1000 = 1000 PPR Output Circuit: "no entry" = TTL voltage output C = Open collector output 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 For more information, please visit the product page. rev. page 2 of 3 date 11/16/2007 DESCRIPTION: incremental encoder PART NUMBER: MEH9 CIRCUIT CONNECTIONS Open Collector Output Voltage Output Vcc Red Vcc Red Signal A,B,Z White Green Yellow Signal A,B,Z White Green Yellow 0V Black 2.2k Ohm 20mA max 20mA max 0V Black CABLE SHIELD CABLE SHIELD OUTPUT WAVEFORM Clockwise rotation viewed from front Counter Clockwise rot ation viewed from front T T Phase A H L Phase A H L Phase B H L Phase B H L Phase Z H L Phase Z H L T ± T (90˚± 45˚) 8 8 T±T/2 T ± T (90˚± 45˚) 8 8 T±T/2 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 PC FILE NAME: MEH9 8.0 0.315 13.0 0.512 COPYRIGHT 2007 BY CUI INC. 2.0 0.079 Cable Color Output Type 10.0 0.394 Red White Green Yellow Power A-Phase B-Phase Z-Phase 4.0 0.157 5.5 0.217 21.0 0.827 5-AWG30 L=140 1.5 0.059 Black 0V 12.0 0.472 - - 3-M2 depth 2 2.5 0.098 15.5 0.610 REV. A - JMS DRAWN BY: MEH9 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.