
RE21
0.709
0.591
1.004
0.374
0.461
.236
0.787
M9
0.315
0.433
5.9
PC Board
0.323
0.362
Panel Cutout
(18)
(15)
(25.5)
(9.5)
(11.7)
(6)
(20)
(8)
(11)
(150)
(8.2)
(9.2)
Panel
0.709
0.591
1.004
0.374
0.461
.236
0.787
M9
0.315
0.433
0.323
0.362
Panel Cutout
(18)
(15)
(25.5)
(9.5)
(11.7)
(6)
(20)
(8)
(11)
(8.2)
(9.2)
0.591
1.004
0.374
0.461
.236
0.787
M9
0.315
0.433
PC Board
0.362
0.098x4
0.732
0.461
0.236
0.551
0.732
PC Board Layout/Cutout
(15)
(25.5)
(9.5)
(11.7)
(6)
(20)
(8)
(11)
(9.2)
(2.5x4)
(18.6)
(11.7)
(6)
(14)
(18.6)
PART NO.
REV.
DRAWN BY
UPDATED
CHECKED
RELEASED
CUI Stack, Inc.
9615 SW Allen Blvd. #103
Beaverton, OR
97005
Tel: 503/643-4899 FAX: 503/643-6129
1 (+5V)
2 (ch A)
3 (ch B)
4 (GND)
SPECIFICATIONS
ELECTRICAL
1. Input Power: 5.0 VDC ±5% @ 20mA
2. Output Voltage: H = Vcc- 0.5V
L
≤ 0.4V
3. Resolution: 20PPR, 25 PPR
3. Output Type: TTL/CMOS Compatible
4. Max. Freq. Response: 500 Hz
MECHANICAL
1. Max Shaft Load, radial: 1.0 kgf
axial: 1.0 kgf
2. Rotational Angle: 360° continuous
3. Click Torque: 30~70 gfcm
4. Rotational Life: 1,000,000 cycles
ENVIRONMENTAL
1. Operating Temp: 0° to +60° C
2. Storage Temp: -20° to +80° C
3. Humidity:
≤85% RH, no condensation
4. Vibration: 10~55 Hz, 1.5 mm, 2 hrs
5. Shock: 50G, 6ms, 3 axes, 3 reps
OUTPUT CIRCUIT
OUTPUT WAVEFORM
Sig A
←Detent Positions
RE21XXXXXXX
A
1
0
Sig B
1
0
←←
Panel Mount Encoder
ORDERING INSTRUCTIONS
RE21XC
RE21XS
RE21XF
RE21
N = Not waterproof
P = Waterproof
Body Type:
C = Cable type
F = Front mounting
S = Standard
Resolution:
20 = 20 Cycles
25 = 25 Cycles
Shaft Length:
16 = 16mm
20 = 20mm
Detent:
C = Click
= No Click
C U I Stack, Inc., 1997
PUSH SWITCH
LOW COST
LONG LIFE
LOW PROFILE
DETENT OR FREE
SHAFT SEAL OPTION
DURABLE
IN STOCK NOW
INTEGRAL
PUSH SWITCH