RMS20
MANUAL SETTING TYPE MAGNETIC ENCODERS
■
PART NUMBER DESIGNATION
RMS20 - 250 - 201 - 1
Series name
Resolution (P/R)
100, 250, 256
Output connection
1：
Cable wire
Output phase
2
：
“A” & “B”
Resolution Item Input voltage Part number
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LIST OF PART NUMBERS
100 (P/R)
250 (P/R)
256 (P/R)
RMS20-100-201-1
RMS20-250-201-1
RMS20-256-201-1
5 V
※Verify the above part numbers when placing orders.
Rotational torque
Inertia
Shaft loading
(When mounting)
Radial
Axial
Rotational life
Net weight
Strength of tighten screw
Operating temp. range
Storage temp. range
Protection grade
Input voltage
Input current
Output wave form
Output phases
(P/R)
Resolution
Phase difference of outputs A & B
Maximum frequency response
Output signal
“1 (High)”
“0 (Low)”
Sensor
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STANDARD SPECIFICATIONS
DC5 V ± 5 %
15 mA maximum (No load)
Square wave
A, B
90° ± 45°
100 250 256
5 kHz
+ 4.5 V minimum
+ 0.5 V maximum
Magnetoresistive element
OElectrical characteristics OMechanical characteristics
4.90 mN·m {50 gf·cm} maximum
3 g·cm
2
maximum
9.81 N {1 kgf} maximum
9.81 N {1 kgf} maximum
10
5
回転
revolution
Approx. 20 g
0.49 N·m {5 kgf·cm} maximum
OEnvironmental characteristics
− 10 ~ 60 °C
− 40 ~ 70 °C
IP40
■
FEATURES
OHigh resolution of 256 P/R and fine setting
OLower consumption of electric power (15 mA maximum) due to magnetic method
OLong life for 10
5
times continuous run due to contactless & magnetic method
OSquare wave output (with Amp.)
OSmooth rotation for setting
ORoHS compliant
RoHS compliant
AWG28
20
4.5
0
– 0.1
8
0
– 0.2
14
24
12
6
0
– 0.05
C1
M 9 × 0.75
0.75 max.
Unspecified tapped area
(100)
10
(0.85)
10 1
23.5 13.5
(37)
φ
φ
M 9 P = 0.75
12
1. Nut
2
2. Washer
0.5
1
9.4
12.9
φ
φ
Vibration Power OFF
Power OFF
Power OFF
Power ON
Power OFF
Power OFF
Power OFF
Shock
High temperature
exposure
Low temperature
exposure
Humidity
Thermal shock
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OUTLINE DIMENSIONS Unless otherwise specified, tolerance: ± 0.4 (Unit: mm)
RMS20
MAGNETIC ENCODERS
Test item
■
RELIABILITY TEST
The output shall satisfy the criteria below after the following tests.
Test conditions
Amplitude : 1.52 mm or 98.1 m/s
2
(10 G) whichever is smaller.
10 ~ 500 Hz excursion 15 min/cycle, 8 cycles each for X, Y, Z, directions.
3 times each in directions (X, Z) at 490 m/s
2
(50 G), 11 ms.
70 °C 96 h
(To be measured after leaving samples for 1 h at normal temperature and
humidity after the test.)
60 °C 96 h
− 40 °C 96 h
40°C Relative humidity90 〜 95% 96h
(To be measured after wiping out moisture and leaving samples for 1 h at normal temperature and humidity after the test.)
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.)
70°C 0.5h、− 40°C 0.5h
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Accessories
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