For more information, please visit the product page. rev. PART NUMBER: MES20 page 1 of 3 date 05/2009 DESCRIPTION: incremental encoder ELECTRICAL SPECIFICATIONS output waveform output signals current consumption frequency response output phase difference Square wave A, B, Z phase ≤50 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% (line driver output only), 5 V ~ 12 V dc ± 10%, 24 V dc ± 10% (open collector output only) 40, 50, 60, 100, 200, 250, 256, 300, 360, 400, 500, 512, 600, 800, 1000, 1024, 1200, 1800, 2000, 2048, 2500, 3600 2μ or less (outout cable 1m 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 19.6N (2kgf) 14.7N (1.5kgf) (600-3600 ppr) 9.8N (1kgf) 4.9N (0.5kgf) (600-3600 ppr) 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 -10° to +70° C -20° to +80° C RH 35%~90% non collecting ORDERING INSTRUCTIONS MES20 - XXXXP-XX Resolution (PPR): 40 = 40 PPR 512 = 512 PPR 50 = 50 PPR 600 = 600 PPR 60 = 60 PPR 800 = 800 PPR 100 = 100 PPR 1000 = 1000 PPR 200 = 200 PPR 1024 = 1024 PPR 250 = 250 PPR 1200 = 1200 PPR 256 = 256 PPR 1800 = 1800 PPR 300 = 300 PPR 2000 = 2000 PPR 360 = 360 PPR 2048 = 2048 PPR 400 = 400 PPR 2500 = 2500 PPR 500 = 500 PPR 3600 = 3600 PPR Output Circuit: "no entry" = TTL voltage output C = Open collector output E = Line driver output Input Voltage: 1 = 5V dc ±10% (line driver output only) 3 = 5 ~ 12V dc ±10% 4 = 24V dc ±10% (open collector output only) 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: incremental encoder PART NUMBER: MES20 CIRCUIT CONNECTIONS Open Collector Output (C) Voltage Output Vcc Red Vcc Red A/B/Z White Green Yellow A/B/Z White Green Yellow 0V Black 2.2kΩ 30mA max 20mA max 0V Black CABLE SHIELD CABLE SHIELD Line Drive Output (E) +5V Red A/B/Z White Green Yellow White/Black Green/Black Yellow/Black A/B/Z 26C31 0V Black 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 page 2 of 3 date 05/2009 PC FILE NAME: MES20 COPYRIGHT 2007 BY CUI INC. 7.5 0.295 5.5 0.217 Cable Color Output Type 2.5 0.099 7.0 0.276 Red White Green Yellow Power A-Phase B-Phase Z-Phase 4.2 0.165 22.0 0.866 Black 0V 32.0 1.260 - - 3-M3 depth 5 equal arrangement PCD=24 6.0 0.236 Output cable L=1000 4.2 0.165 REV. A - JMS DRAWN BY: MES20 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.