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Scancon
Type SCH68B

Type SCH68B

Product catalog summary

Mechanical Specifications
The SCH68B encoder features an aluminum housing and cap, with a brass alloy hollow shaft. It weighs approximately 400 grams, with an additional 60 grams per meter for the cable. The bearing life exceeds 1.9 x 10¹⁰ revolutions at rated load. Maximum shaft speeds are 3,000 rpm for IP 65 and 1,500 rpm for IP 67. Starting torque is less than 0.05 Nm at 25°C for IP 65 and less than 0.1 Nm for IP 67. The shaft can handle axial and radial loads up to 100 N.

Electrical Specifications
The encoder uses an incremental code with a resolution range from 1 to 10,000 pulses per revolution. 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 300 kHz. Output formats include two-channel quadrature with an index and optional complementary outputs. The encoder is protected against short circuits and reverse polarity, and it meets EMC standards EN61000-6-2:2005 and EN61000-6-3:2007.

Environmental Specifications
The operating and storage temperature range is -40°C to +85°C. It can withstand shocks of 100 G at 11 ms and vibrations from 10-2000 Hz at 10 G. The enclosure rating options are IP 65, IP 66, and IP 67.

Connection Options
The encoder offers cable options with 8 leads, shielded and twisted pairs, and various Mil connector options (6-pin, 7-pin, 10-pin). The hollow shaft diameter ranges from 16 mm to 1 inch.

Ordering Information
The ordering code includes specifications for output type, hollow shaft size, IP rating, cable length, and connector type. Additional options are available upon request.

Catalog excerpts

Heavy Duty Type SCH68B 222QEX Frequency Response: Output Format: Phase Sense: Index: Incremental 1 to 10,000 ppr (pulses per revolution) 4.5 Vdc min. to 30 Vdc max. (45 mA max. - no load) 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 Electrical Protection: Noise Immunity: Weight: Bearing Life: Shaft Speed: ** 300 kHz max. Two channel (A, B) quadrature with Index (Z) and optional complementary (A-, B-, Z-) outputs A leads B clockwise (CW) from the shaft end of the encoder Gated with Channels A and B high +/- 0.8 arc-min. ASIC Push-pull and Differential OL7272 Push-pull and Differential Line Driver 26C31 Differential Line Driver 5V output (with 5V input) Mechanical Specifications Electrical Specifications Output Current: Output Voltage: Supply Voltage: Hollow bore Through Hollow Shaft – rear clamp Output short circuit protected Reverse polarity protected (ASIC and MP (OL7272) outputs only) Tested to EN61000-6-2 : 2005 (industrial environments) Electromagnetic compatibility (EMC) and EN 61000-6-3 : 2007 (residential, commercial, and light-industrial environments) for Electromagnetic compatibility (EMC) Starting Torque: Housing: Aluminum Cap: Aluminum Hollow Shaft: Brass alloy (CuZn39Pb3) Encoder: Approx. 400 gr (14.11 oz) Cable: 60 gr / meter (2.1 oz / meter) > 1.9 x 1010 revolutions at rated load 3,000 rpm max. IP 65 1,500 rpm max. IP 67 (option) < 0.05 Nm (7.08 oz-in) at 25° C IP 65 < 0.1 Nm (14.16 oz-in) at 25° C IP 67 Mass Moment of Inertia: Shaft Loads: Environmental Specifications Operating Temperature: Storage Temperature: Shock: Vibration: Bump: Humidity: Enclosure Rating: -40° to +85° C -40° to +85° C 100 G @ 11 ms 10-2000 Hz @10 G 10 G @ 16 ms (1000 x 3 axis) 98 % RH without condensation IP 65 / Nema 4 (approx.) IP 66 / Nema 6 (approx.) option IP 67 / Nema 6 (approx.) option Connection Options Cable: Connectors: 8 leads (0.14 mm2, 26 AWG) twisted pairs; shielded 6-pin Mil radial 7-pin Mil radial 10-pin Mil radial = It is recommended, not to combine max. Value for all 3 parameters

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Type SCH68B Output waveform Disk Resolutions (pulses per revolution) Other options on request Pulses per revolution, min. 1 – max. 10.000 Channel tolerance Phase difference tolerance Z channel tolerance Mechanical Dimensions Tolerances according to ISO 2768 f

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Type SCH68B Tolerances according to ISO 2768 f Output Terminations Standard Output Standard Output Optional Standard Output* Differential Output Optional Differential Output* Ch. A Ch. B Ch. Z Vsup NC 0 volt Shield Ch. A Ch. B NC Vsup NC 0 volt Shield Ch. A Ch. B Ch. A Vsup Ch. B 0 volt Shield Ch. A Ch. B Ch. Z Vsup NC 0 volt Shield Ch. A Ch. B Ch. Z - Ch. A Ch. B Ch. A Vsup Ch. B 0 volt Shield NC NC NC

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Type SCH68B Standard Cable Standard Output Differential Output Wire Color Wire Color Pink Gray* Green Yellow* White Brown* Red Blue Pink Gray Green Yellow White Brown Red Blue * Gray, Yellow, and Brown are internally connected as Ground

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Ordering code Hollow Shaft Depth Cable Length Spring Coupling 26C31 Line Driver 5V OL 7272 Line Driver Side Radial Standard is 1 meter Specify length No cable 1 holes 2 holes 1 holes 2 holes Other options on request: Please contact Scancon A/S See Accessories for drawings

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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.

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