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Scancon
Type 2RMHD

Type 2RMHD

Product catalog summary

Mechanical Specifications
The encoder housing and cap are made of aluminum, with a hollow shaft of Aisi 303. The encoder weighs approximately 715 grams, with an additional 50 grams per meter for the cable. It supports a shaft speed of up to 3000 rpm and has a starting torque of less than 0.1 Nm at 25°C. The axial and radial shaft loads are 250 N and 500 N, respectively. The encoder offers resolutions up to 7500 pulses per revolution (ppr) and is rated IP 65.

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 device is rated for 98% relative humidity without condensation and has an IP rating of IP 65.

Connection Options
The encoder can be connected via an 8-lead differential cable or a 5-lead standard cable, both shielded and twisted pairs.

Electrical Specifications
The encoder operates on a supply voltage between 4.5 Vdc and 30 Vdc, with a maximum current of 35 mA without load. It features a two-channel quadrature output with an index and optional complementary outputs. The frequency response is up to 200 kHz, and it includes electrical protection against reverse polarity and short circuits. The device complies with EN61000-6-2:2005 and EN61000-6-3:2007 for electromagnetic compatibility.

Output Terminations
The standard cable output includes various wire colors for different channels and power connections. The encoder supports several output types, including standard, differential, and line driver outputs.

Ordering Information
The ordering code includes specifications for pulses per revolution, shaft diameter, shaft length, IP rating, cable length, and connector type. Additional options are available upon request, particularly for wind power applications.

Catalog excerpts

Heavy Industry Supply Voltage: Output Voltage: Output Current: 1 to 7500 ppr (pulses per revolution) 4,5 Vdc min. to 30 Vdc max. (35 mA max. - no load) Low: 500 mV max. at 10 mA High: (Vin – 0,6) at -10 mA (Vin – 1,3) at -25 mA 20 mA max. load per output channel > 1,9 x 1010 revolutions at rated load Shaft Speed: Starting Torque: Mass Moment of Inertia: Shaft Loads: 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 Gated with Channels A and B high Electrical Protection: Noise Immunity: Housing: Aluminum Cap: Aluminum Hollow Shaft: Aisi 303 Encoder: ~ 715 gr (25,2 oz) Cable: 50 gr / meter (1,76 oz / meter) Bearing Life: Frequency Response: Mechanical Specifications Electrical Specifications Shaft Encoder ASIC Push pull and Differential OL7272 Push-pull and Differential Line Driver 26C31 Differential Line Driver 5V output (with 5V input) Reverse polarity and output short circuit protected 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) Environmental Specifications Operating Temp.: Storage Temp.: Connection Options Cable: 8 leads (0,05 mm2, 30 AWG) - Differential 5 leads (0,14 mm2, 26 AWG) - Standard twisted pairs; shielded ** = It is recommended user not to combine max. values for all 3 parameter

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Type 2RMHD Output waveform Disk Resolutions (pluses per revolution) 18 20 25 Channel tolerance Phase difference tolerance Z channel tolerance Other options on request Pulses per revolution, min. 1 – max. 7.500 Mechanical Dimensions

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Output Terminations Standard Cable Standard Output Cha nnel A AB BZ ZVsup GND Differential Output Wire Color Green NC Yellow NC Gray NC Brown White Pink Gray Green Yellow White Brown Red Blue

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Type 2RMHD Ordering Code Shaft Length Standard Standard – Open Collector NPN Standard – Open Collector PNP Differential 26C31 Line Driver 5V / 5V only OL 7272 Line Driver Standard – with built-in TSM*** Cable Length Cable Connector Takeout Standard is 1 meter Specify length No Cable 01 XX 00 Cable Back radial *** Designed specifically for Wind Power applications. See SCA24 COC under Industries – Wind Power – SCA24 for additional conformity standards testing. Other options on request: Please contact Scancon A/S TSM = Transient Suppression Module Available only as Standard output

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