RE20F Datasheet, PDF (1/3 Pages) Copal Electronics – OPTICAL ENCODERS

OPTICAL ENCODERS
˙ FEATURES
O Compact, dia.: 20 mm
O Low torque, low inertia
O RoHS compliant
RE20F
RoHS compliant
˙ PART NUMBER DESIGNATION
RE20F - 100 - 100
Series name
Resolution (P/R)
100, 300
˙ LIST OF PART NUMBERS
Resolution
Item
Output phases
100 (P/R)
300 (P/R)
“A” only
100 (P/R)
“A” & “B”
˞
Verify the above part numbers when placing orders.
Part number
RE20F-100-100
RE20F-300-100
RE20F-100-200
Output phase
1ɿ“A” only
2ɿ“A” & “B” (100 P/R only)
˙ STANDARD SPECIFICATIONS
O Electrical characteristics
Item
Output phases
“A” only
“A” & “B”
Photo-sensor maximum current
45 mA maximum (at 25 °C)
O Mechanical characteristics
Starting torque
0.05 mN·m {0.5 gf·cm} maximum
Inertia
0.2 g·cm² maximum
Output wave form
Quasi-sinusoidal
Output phases

13
Resolution
Phase difference of outputs A & B
A
100, 300
———
A, B
100
90° ± 45°
Maximum frequency response
———
12 kHz
Output signal
150 mVp-p minimum ˞
1 Vp-p minimum
Output signal amplitude variation ˞
40 % maximum
Light source
LED
Shaft loading
Radial
(When mounting)
Axial
Net weight
1.96 N {200 gf} maximum
4.9 N {500 gf} maximum
Approx. 15 g
O Environmental characteristics
Operating temp. range
0 ~ 50 °C
Storage temp. range
− 20 ~ 80 °C
Protection grade
IP40
˞ɹMeasured at CP1 in the fig.A of ‘MEASUREMENT CIRCUIT’ on the following page.
˞ɹOne phase only : Measured at CP2 in the fig.A of ‘MEASUREMENT CIRCUIT’ on the following page.