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SCA36,5

Product catalog summary

Mechanical Specifications
The SCA36,5 encoder features a brass housing and an electroplated steel cap, with an option for aluminum for flat cable configurations. The shaft is made of stainless steel. The encoder weighs approximately 45 grams, with the cable adding 50 grams per meter. It supports a shaft speed of up to 12,000 rpm and a bearing life exceeding 1.9 x 10¹⁰ revolutions at rated load. The starting torque is less than 0.005 Nm at 25°C, and it can handle axial and radial shaft loads of up to 20 N.

Electrical Specifications
The encoder operates on an incremental code with a resolution range from 1 to 7500 pulses per revolution (ppr). It requires a supply voltage between 4.5 Vdc and 30 Vdc, with a maximum output current of 25 mA per channel. The frequency response is up to 200 kHz. The output format includes two-channel quadrature with an index and optional complementary outputs. It features reverse polarity and output short circuit protection, 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 enclosure rating is IP 64, with an IP 50 option for flat cable configurations.

Connection Options
The encoder offers standard and differential output options with various cable configurations, including an 8-lead differential cable and a 5-lead standard cable. A flat cable with an IDC connector is also available.

Ordering Code
The ordering code for the SCA36,5 encoder includes specifications for pulses per revolution, output type, shaft diameter and length, IP rating, cable length, and connector type. Additional options are available upon request.

Additional Information
The document includes detailed mechanical dimensions and output waveform specifications, as well as a table of disk resolutions and channel tolerances. The encoder is designed for various applications, including wind power, with specific conformity standards available for such uses.

Catalog excerpts

Automation / Mini Resolution: Supply Voltage: Output Voltage: Output Current: Frequency Response: Output Format: Phase Sense: Electrical Specifications Shaft Encoder - Mechanical Specifications Incremental 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 25 mA max. load per output channel 200 kHz max. Housing: Brass Cap: Electroplated Steel Aluminum (flat cable option) Shaft: Stainless Steel Encoder: ~ 45 gr (1,59 oz) Cable: 50 gr / meter (1,76 oz / meter) Bearing Life: > 1,9 x 1010 revolutions at rated load Shaft Speed: Starting Torque: Mass Moment of Inertia: Shaft Loads: Two channel (A, B) quadrature with Index (Z) and optional complementary (A-, B-, Z-) outputs A leads B clockwise (CW) from the mounting end of the encoder Environmental Specifications Gated with Channels A and B high Operating Temp.: Storage Temp.: 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 Enclosure Rating: IP 64 / Nema 4 (approx.) IP 50 / Nema 5 (approx.) - flat cable Electrical Protection: 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) 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 not recommended to combine max. value for all 3 parameters.

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Type SCA36,5 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

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Flat Ribbon Cable with IDC connector

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Type SCA36,5 Output Terminations Standard Cable Standard Output Channel A AB BZ ZVsup GND Flat Cable w/ IDC Connector Differential Output Wire Color Green NC Yellow NC Gray NC Brown White Differential Output * Position Pink Gray Green Yellow White Brown Red Blue * Hewlett Packard (HP) compatible Differential Output IP 50 rating CE mark not available 0,5 m, 1 m, or 2 m cable length only Standard Output mm (inches) mm (inches) mm (inches)

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Type SCA36,5 Ordering Code Shaft Length Cable Length Cable Takeout Standard Differential 26C31 Line Driver 5V only OL 7272 Line Driver Standard - with built-in TSM ** * = Only Flat Cable Flat Cable w/ IDC 0,5 meter 1,0 meter 2,0 meters Standard Cable Standard is 1 meter Specify length Side (radial) Back (axial) Flat cable w/ IDC connector Other options on request: Please contact Scancon A/S ** Designed specifically for Wind Power applications. See SCA24 COC under Industries – Wind Power – SCA24 for additional conformity standards testing. TSM = Transient Suppression Module Available only as Standard...

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