For more information, please visit the product page. rev. PART NUMBER: EC202E020B DESCRIPTION: optical encoder ELECTRICAL SPECIFICATIONS output waveform output signals current consumption output voltage “H” “L” supply voltage output resolution (ppr) pulse difference frequency response Square wave A, B phase 26 mA nominal, 30 mA max. 4.2 V min. 0.4 V max. 5 V dc ± 5% 20 90° ± 45° 500 Hz max. MECHANICAL SPECIFICATIONS max shaft load, radial: axial: starting torque maximum speed rotational life 1.0 kgf 1.0 kgf 50 gf·cm max. 210 rpm 2,000,000 cycles ENVIRONMENTAL SPECIFICATIONS operating temp storage temp humidity vibration shock 0° to +60° C -20° to +80° C 85% RH, no condensation 10 ~ 55 Hz. 1.5mm, 6 hours 490 m/s2 (50 G), 6 ms, 3 axes, 3 reps 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383 page 1 of 2 date 10/2008 For more information, please visit the product page. rev. page 2 of 2 date 10/2008 DESCRIPTION: optical encoder PART NUMBER: EC202E020B OUTPUT CIRCUIT OUTPUT WAVEFORM 1 (+5V) Counter clockwise rotation viewed from front 2 (ch B) Detent Position 90°±45° Sig A 3 (ch A) Sig B 4 (GND) 5 (SW) MECHANICAL DRAWING +0.0 Ø0.236 -0.004 +0.0 (Ø6.00 -0.10 ) 0.787 (20.0) Switch Travel 0.039 (1.0) M9 0.03 (0.8) 0.315 (8) 0.787 (20±0.5) 0.819 (20.8) 0.591 (15) 0.445 (11.3) 0.866 (22) 0.335 (8.5) EC202E020B Ø0.098 (Ø2.5) +5 B A 0V S JST #S5B-PH-K-S 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383