2RMHF

2RMHF

2RMHF

Product catalog summary
Mechanical Specifications
The encoder housing is made of brass, with an electroplated steel cap and an aluminum option for flat cables. It weighs approximately 35 grams, with the cable adding 50 grams per meter. The bearing life exceeds 1.9 x 1010 revolutions at rated load, and the shaft speed can reach up to 12,000 rpm. The starting torque is less than 0.005 Nm at 25°C, and the hollow shaft can handle axial and radial loads of up to 20 N.
Electrical Specifications
The encoder uses an incremental code with a resolution range from 1 to 7,500 pulses per revolution (ppr). It operates on a supply voltage between 4.5 Vdc and 30 Vdc, with a maximum output current of 30 mA per channel. The frequency response is up to 200 kHz, and it features two-channel quadrature output with an index and optional complementary outputs. It is protected against reverse polarity and short circuits, and complies with EN61000-6-2:2005 and EN61000-6-3:2007 for EMC.
Environmental Specifications
The operating and storage temperature range is -40°C to +85°C. It can withstand shocks of 100 G for 11 ms and vibrations from 10-2000 Hz at 10 G. The IP rating is IP64, with an IP50 option for flat cables.
Connection Options
The encoder offers various cable and connector options, including 8-lead differential and 5-lead standard cables, with M9 connectors available in 5-pin and 8-pin configurations. Flat cable options are also available.
Output Terminations
The standard and differential outputs are color-coded for easy identification, with specific configurations for standard and flat cables.
Ordering Code
The ordering code includes specifications for pulses per revolution, output type, hollow shaft dimensions, IP rating, cable length, and connector type. Additional options and accessories are available upon request.
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Catalog excerpts

2RMHF-1

Automation / Mini Hollow Shaft Encoder - Hollow Bore: IP 64 rating (IP 50 for flat cable option) Mechanical Specifications Electrical Specifications Brass Electroplated Steel Aluminum (flat cable option) Hollow Shaft: Brass Supply Voltage: Output Voltage: Low: 500 mV max. at 10 mA High: (Vin – 0,6) at -10 mA (Vin – 1,3) at -25 mA 30 mA max. load per output channel Output Current: Frequency Response: Output Format: Two channel (A, B) quadrature with Index (Z) and optional complementary (A-, B-, Z-) outputs Phase Sense: A leads B clockwise (CW) from the mounting end of the encoder Environmental Specifications Operating Temp.: Gated with Channels A and B high Storage Temp.: ASIC Push pull and Differential OL7272 Push-pull and Differential Line Driver 26C31 Differential Line Driver 5V output (with 5V input) IP 64 / Nema 4 (approx.) IP 50 / Nema 5 (approx.) – flat cable Reverse polarity and output short circuit protected Noise Immunity: Tested to EN61000-6-2 : 2005 (industrial environments) Electromagnetic compatibility (EMC) and EN 61000-6-3 : 2007 (residential, commercial, and lightindustrial environments) for Electromagnetic compatibility (EMC) Encoder: ~ 35 gr (1,23 oz) Cable: 50 gr / meter (1,76 oz / meter) > 1,9 x 1010 revolutions at rated load Bearing Pre-Load: Electrical Protection: Weight: Bearing Life: Shaft Speed: Starting Torque: Mass Moment of Inertia: Hollow Shaft Loads: Connection Options Cable: 8 leads (0,05 mm2, 30 AWG) - Differential 5 leads (0,14 mm2, 26 AWG) - Standard twisted pairs; shielded Flat Cable: 10 lead flat cable with IDC connector = It is recommended user not to combine max. value for all 3 parameters

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2RMHF-2

Type 2RMHF Output waveform Disk Resolutions (pulses per revolution) Channel tolerance Phase difference tolerance Z channel tolerance Other options on request Pulses per revolution, min. 1 – max. 7.500 Mechanical Dimensions Tolerances according to ISO 2768 f Spring coupling part no. 80139791

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2RMHF-3

Industrial Encoders Spring coupling Spring coupling Flat Ribbon Cable with IDC connector

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2RMHF-4

Type 2RMHF Output Terminations Flat Cable w/ IDC Connector Standard Cable Standard Output Channel Differential Output Differential Output * Wire Color Pink Gray Green Yellow White Brown Red Blue Brown White GND = Circuit Ground IP 50 rating CE mark not available 0,5 m, 1 m, or 2 m cable length only * Internally connected as GND * Hewlett Packard (HP) compatible Cable Tolerances Cable Length Flat Cable Round Cable Channel VDD GND A AB BZ ZGND = Circuit Ground

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2RMHF-5

Type 2RMHF Ordering Code Hollow Shaft Length Cable Length Cable Connector Spring Takeout Coupling * = Only flat cable Standard Standard – Open Collector NPN Standard – Open Collector PNP Differential 26C31 Line Driver OL 7272 Line Driver Standard - with built-in TSM ** Standard Cable Standard is 1 meter Specify length No Cable Flat Cable w/ IDC 0,5 meter Cable Side (radial) Back (axial) Flat Cable (radial) Connector Side (radial) Standard Cable Flat Cable IDC on flat cable* ** Designed specifically for Wind Power applications. Other options on request: Please contact Scancon A/S See SCA24 COC...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.