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| rev. page date 1 of 3 08/14/2007 PART NUMBER: MEH20 DESCRIPTION: incremental encoder ELECTRICAL SPECIFICATIONS output waveform output signals current consumption frequency response output phase difference supply voltage output resolution (ppr) waveform rise/fall time Square Wave A, B, Z phase 50 mA 0~100 KHz A, B phase difference 90 45 (T/4T/8) Z phase TT/2 (see output waveform) 5 V ~ 12 V dc 10%, 24 V dc 10% (open collector output only) 40, 60, 100, 200, 250, 256, 300, 360, 400, 500, 512, 600, 800, 1000, 1024, 1200, 1800, 2000, 2048, 2500, 3600 2 or less (outout cable 1m or less) 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) -3 NM (20 gf*cm) 2 x 10 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 MEH20 - XXXXPXX Resolution (PPR): 40 = 40 PPR 512 = 512 PPR 60 = 60 PPR 600 = 600 PPR 100 = 100 PPR 800 = 600 PPR 200 = 200 PPR 1000 = 1000 PPR 250 = 250 PPR 1024 = 1024 PPR 256 = 256 PPR 1200 = 1200 PPR 300 = 300 PPR 1800 = 1800 PPR 360 = 360 PPR 2000 = 2000 PPR 400 = 400 PPR 2048 = 2048 PPR 500 = 500 PPR 1800 = 1800 PPR 2500 = 2500 PPR 3600 = 3600 PPR Output Circuit: " " = Voltage output C = Open collector output E = Line Driver Input Voltage: 1 = 5V dc 10% 2 = 12V dc 10% 3 = 5 ~ 12V dc 10% 4 = 24V dc 10% 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 rev. page date 2 of 3 08/14/2007 PART NUMBER: MEH20 DESCRIPTION: incremental encoder CIRCUIT CONNECTIONS Voltage Output +5V A/B/Z 20mA max Open Collector Output (C) Red White Green Yellow 30mA max +5V A/B/Z Red White Green Yellow 0V CABLE SHIELD Black CABLE SHIELD 0V Black Line Drive Output (E) +5V A/B/Z A/B/Z 26C31 CABLE SHIELD Red White Green Yellow White/Black Green/Black Yellow/Black 0V Black OUTPUT WAVEFORM Clockwise rotation viewed from front Counter Clockwise rot ation viewed from front T Phase A Phase B Phase Z H L H L H L T Phase A Phase B Phase Z H L H L H L T T (90 45) 88 T T (90 45) 88 TT/2 TT/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 REV. A DESCRIPTION NEW DRAWING DATE 7/27/2007 0.8 0.030 Output Cable L=1000 5.0 0.197 30 32.0 1.260 2.3 0.089 3-M3 depth 5 equal arrangement PCD=24 22.0 0.866 25.0 0.984 6.7 0.264 4.2 0.165 TOLERANCE: 0.3mm UNLESS OTHERWISE SPECIFIED RoHS 5.5 0.217 10.0 0.394 20050 SW 112th Ave. Tualatin, OR 97062 Phone: 503-612-2300 800-275-4899 Fax: 503-612-2383 Website: www.cui.com TITLE: Incremental Encoder MEH20 APPROVED BY: UNITS: REV: A PART NO. MM [INCHES] SCALE: PC FILE NAME: MEH20 COPYRIGHT 2007 BY CUI INC. Cable Color Output Type Red White Green Yellow Power A-Phase B-Phase Z-Phase Black 0V - - - DRAWN BY: JMS 1:1 |
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