MEH20 CUI | Alldatasheet
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rev. page date DESCRIPTION: incremental encoder 1 of 3 08/14/2007 PART NUMBER: MEH20 ELECTRICAL SPECIFICATIONS output waveform Square Wave output signals A, B, Z phase current consumption ≤50 mA frequency response 0~100 KHz output phase difference A, B phase difference 90° ± 45° (T/4±T/8) Z phase T±T/2 (see output waveform) supply voltage 5 V ~ 12 V dc ± 10%, 24 V dc ± 10% (open collector output only) output resolution (ppr) 40, 60, 100, 200, 250, 256, 300, 360, 400, 500, 512, 600, 800, 1000, 1024, 1200, 1800, 2000, 2048, 2500, 3600 waveform rise/fall time 2 µ or less (outout cable 1m or less) MECHANICAL SPECIFICATIONS max shaft load, radial: 19.6N (2kgf) 14.7N (1.5kgf) (600-3600 ppr) axial: 9.8N (1kgf) 4.9N (0.5kgf) (600-3600 ppr) starting torque 2 x 10 -3 NM (20 gf·cm) max rotational speed 6000 RPM shock resistance 500 m/s 2 (50G), 3 times each on XYZ vibration proof 55 Hz, double amplitude 1.5mm, 2 hours each on XYZ weight 70g (with 1m cable) cable 4.2mm outside diameter, 5 core vinyl wire insulated shield cable (1m) ENVIRONMENTAL SPECIFICATIONS operating temp -10° to +70° C storage temp -20° to +80° C humidity RH 35%~90% non collecting ORDERING INSTRUCTIONS MEH20 - XXXXPXX Output Circuit: " " = Voltage output C = Open collector output E = Line Driver 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 Input Voltage: 1 = 5V dc ± 10% 2 = 12V dc ± 10% 3 = 5 ~ 12V dc ± 10% 4 = 24V dc ± 10%
rev. page date DESCRIPTION: incremental encoder 2 of 3 08/14/2007 PART NUMBER: MEH20 OUTPUT WAVEFORM Clockwise rotation viewed from front T Phase A Phase B Phase Z T±T/2 H L H L H L T T 8± (90˚± 45˚) Counter Clockwise rot ation viewed from front T Phase A Phase B Phase Z T±T/2 H L H L H L T T 8± (90˚± 45˚) The position of Z phase against A, B phase is not specified CIRCUIT CONNECTIONS 30mA max CABLE SHIELD 20mA max CABLE SHIELD +5V Red A/B/Z 0V Black +5V Red A/B/Z 0V Black 26C31 CABLE SHIELD +5V Red A/B/Z 0V Black A/B/Z White Green Yellow White Green Yellow White Green Yellow White/Black Green/Black Yellow/Black Voltage Output Line Drive Output (E) Open Collector Output (C)
30° REV. DESCRIPTION DATE A NEW DRAWING 7/27/2007 SPECIFIED Red Power Cable Color A ±0.3mm UNLESS OTHERWISE TOLERANCE: White A-Phase Green Website: www.cui.com RoHS Black Z-Phase Yellow B-Phase 20050 SW 112th Ave. Tualatin, OR 97062 Phone: 503-612-2300 800-275-4899 Fax: 503-612-2383 Output Type JMS Incremental Encoder SCALE: BY CUI INC. TITLE: MM [INCHES] MEH20 MEH20 PC FILE NAME: APPROVED BY: DRAWN BY: UNITS: PART NO. 1:1 COPYRIGHT 2007 REV: 3-M3 depth 5 equal arrangement PCD=24 32.0 1.260 5.0 0.197 Output Cable L=1000 25.0 0.984 22.0 0.866 0.089 2.3 0.8 0.030 0.264 6.7 10.0 0.217 0.394 5.5 4.2 0.165