RE12A-100-100-1

RE12 OPTICAL ENCODERS ■ FEATURES RoHS compliant Oφ 12 mm, High resolution up to 300 P/R OCost effective OTwo bearing types to choose from; Sleeve bearing or ball bearing OLow torque, low inertia ORoHS compliant ■ PART NUMBER DESIGNATION RE12 A – 100 – 100 – 1 Series name Output connection 1：Cable wire Bearing A：Ball bearing C：Sleeve bearing Output phase “A”, Input voltage : 5 V, No AMP Resolution (P/R) 100, 200, 300 ■ LIST OF PART NUMBERS Bearing Ball Bearing Sleeve Bearing Resolution Part number 100 P/R RE12A-100-100-1 200 P/R RE12A-200-100-1 300 P/R RE12A-300-100-1 100 P/R RE12C-100-100-1 200 P/R RE12C-200-100-1 300 P/R RE12C-300-100-1 ※ Verify the above part numbers when placing orders. RE12 OPTICAL ENCODERS OMechanical characteristics ■ STANDARD SPECIFICATIONS OELECTRICAL CHARACTERISTICS Resolution Item s02 Photo-sensor maximum current Starting torque 02 50 mA maximum (at 25 °C) Output wave form 0.05 mN·m {0.5 gf·cm} maximum Sleeve bearing 0.4 mN·m {4 gf·cm} maximum 0.01 g·cm2 maximum Inertia Quasi-sinusoidal Output signal ※1 150 mVp-p minimum 100 mVp-p minimum Output signal amplitude variation ※2 40 % maximum 50 % maximum Light source Ball bearing Shaft loading Radial 1.96 N {200 gf} maximum Axial 4.9 N {500 gf} maximum Approx. 10 g Net weight OOutput signal level & Amplitude variation LED ※1 : Measured at CP1 as per the Fig. A of ‘MEASUREMENT CIRCUIT’ on the following page. (3 kHz) ※2 : Measured at CP2 as per the Fig. A of ‘MEASUREMENT CIRCUIT’ on the following page. (3 kHz) OEnvironmental characteristics Operating temp. range −10 ~ 50 °C Storage temp.range −20 ~ 80 °C S min S max ※Output signal level： 100, 200 P/R Smin ≧ 0.15 V, Amplitude variation： 100, 200 P/R (Smax/Smin-1) × 100 ≦ 40 % 300 P/R Protection grade 300 P/R Smin ≧ 0.10 V IP40 (Smax/Smin-1) × 100 ≦ 50 % ■ RELIABILITY TEST The output shall satisfy the criteria below after the following tests. Test item Test conditions Vibration Power OFF Amplitude : 1.52 mm or 98.1 m/s2 (10 G) whichever is smaller. 10 ~ 500 Hz excursion 5 min/cycle, 1 hour each for X, Y, Z, directions. Shock Power OFF 1 time each in 6 directions (X, Y, Z) at 490 m/s2 (50 G), 11 ms. Power OFF 80 °C 96 h Power ON 50 °C 96 h Power OFF − 20 °C 96 h Power ON − 10 °C 96 h Humidity Power OFF 40 °C Relative humidity 90 ∼ 95 % 96 h (To be measured after wiping out moisture and leaving samples for 1 h at normal temperature and humidity after the test.) Thermal shock Power OFF To be done 10 cycles with the following condition (To be measured after leaving samples for 1 h at normal temperature and humidity after the test.) High temperature exposure Low temperature exposure (To be measured after leaving samples for 1 h at normal temperature and humidity after the test.) 80 °C 1 h、− 20 °C 1 h OCriteria s02 300 P/R Measurement point Output signal level S min ≧ 0.13 V S min ≧ 0.08 V CP1 in ‘MEASUREMENT CIRCUIT’ Amplitude variation (S max / S min – 1) × 100 ≦ 45 % (S max / S min – 1) × 100 ≦ 55 % CP2 in ‘MEASUREMENT CIRCUIT’ RE12 OPTICAL ENCODERS ■ OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.4 (Unit : mm) 100 +200 4.8 2.4 AWG28 φ2 8.5±0.2 0 –0.01 φ 12 2 – M2 D = 3.0 min. ■ INTERNAL CIRCUIT Anode (Green) 6 12 ■ MEASUREMENT CIRCUIT Colletor (Red) Fig. A +5 V Cathode (Black) Emitter (White) 180 Ω 33 kΩ 3 kΩ CP1 0.033 μF 33 kΩ 0.1 μF – + CP2 AMP 10 kΩ 0V +2.5 V Frequency characteristics : 3 kHz (at constant speed)