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RMS20 - MANUAL SETTING TYPE MAGNETIC ENCODERS

RMS20 - MANUAL SETTING TYPE MAGNETIC ENCODERS

RMS20 - MANUAL SETTING TYPE MAGNETIC ENCODERS

Product catalog summary
Part Number Designation: The RMS20 series magnetic encoders are identified by part numbers such as RMS20-100-201-1, RMS20-250-201-1, and RMS20-256-201-1, indicating series name, resolution (100, 250, 256 P/R), output connection (cable wire), and output phase (A & B).
Standard Specifications: The encoders operate at DC5 V ± 5% with a maximum input current of 15 mA (no load). They produce a square wave output with phases A and B, having a phase difference of 90° ± 45°. The maximum frequency response is 5 kHz, with output signals of +4.5 V minimum for high and +0.5 V maximum for low. The sensor uses a magnetoresistive element.
Mechanical Characteristics: The encoders have a rotational torque of 4.90 mN·m maximum, inertia of 3 g·cm² maximum, and can handle shaft loading of 9.81 N maximum both radially and axially. They have a rotational life of 105 revolutions and a net weight of approximately 20 g.
Environmental Characteristics: Operating temperature ranges from -10 to 60°C, with a storage temperature range of -40 to 70°C. The protection grade is IP40.
Features: The encoders offer high resolution up to 256 P/R, low power consumption, long life due to contactless magnetic method, and RoHS compliance. They provide smooth rotation for setting and square wave output with an amplifier.
Reliability Test: The encoders undergo vibration and shock tests, high and low temperature exposure, humidity, and thermal shock tests to ensure reliability. Specific conditions include amplitude of 1.52 mm or 98.1 m/s², shock tests at 490 m/s², and temperature cycling between 70°C and -40°C.
Electrical Wiring: The output circuit includes connections for power (5 V), output A, output B, and ground (0 V), with a sink current of 1 mA maximum at 25°C.
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Catalog excerpts

RMS20 - MANUAL SETTING TYPE MAGNETIC ENCODERS-1

MANUAL SETTING TYPE MAGNETIC ENCODERS RoHS compliant High resolution of 256 P/R and fine setting Lower consumption of electric power (15 mA maximum) due to magnetic method 5 Long life for 10 times continuous run due to contactless & magnetic method Square wave output (with Amp.) Smooth rotation for setting RoHS compliant ■ PART NUMBER DESIGNATION Output connection 1:Cable wire Output phase ■ LIST OF PART NUMBERS Resolution Input voltage Part number ※Verify the above part numbers when placing orders. ■ STANDARD SPECIFICATIONS Electrical characteristics Mechanical characteristics Input voltage Input current Output wave form Shaft loading (When mounting) Resolution Phase difference of outputs A & B Maximum frequency response Rotational life Strength of tighten screw Square wave Output phases Output signal Rotational torque Magnetoresistive element Environmental characteristics Operating temp. range Storage temp. rang

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RMS20 - MANUAL SETTING TYPE MAGNETIC ENCODERS-2

MAGNETIC ENCODERS ■ RELIABILITY TEST The output shall satisfy the criteria below after the following tests. Test item Test conditions Amplitude : 1.52 mm or 98.1 m/s2 (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/s2 (50 G), 11 ms. High temperature exposure 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 To be done 10 cycles with the following condition (To be measured...

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