*mydirectindustry

SCH24

Product catalog summary

Mechanical Specifications
The SCH24 encoder features a brass housing and hollow shaft, with an electroplated steel or aluminum cap. 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 maximum shaft speed is 12,000 rpm. The starting torque is less than 0.005 Nm at 25°C, and the shaft can handle axial and radial loads up to 20 N.

Electrical Specifications
The encoder operates on an incremental code with a resolution range of 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, and the output format includes two-channel quadrature with an index and optional complementary outputs. It features reverse polarity and short circuit protection, and complies with 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. The encoder can withstand shocks of 100 G for 11 ms and vibrations from 10-2000 Hz at 10 G. It has an enclosure rating of IP 64, or IP 50 for the flat cable option, and can operate in up to 98% relative humidity without condensation.

Connection Options
The encoder offers various cable options, including an 8-lead differential cable and a 5-lead standard cable, both shielded and twisted pairs. A 10-lead flat cable with an IDC connector is also available.

Output Waveform and Resolutions
The encoder supports multiple disk resolutions, ranging from 1 to 7500 ppr, with specific tolerances for channel and phase differences.

Ordering Code
The ordering code for the SCH24 encoder includes specifications for output type, hollow shaft diameter and length, cable length, IP rating, and connector type. Additional options are available upon request, particularly for wind power applications.

Catalog excerpts

Automation / Mini Resolution: Supply Voltage: Output Voltage: Output Current: Frequency Response: Output Format: Phase Sense: 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. Brass Electroplated Steel Aluminum (flat cable option) Hollow Shaft: Brass Encoder: ~ 35 gr (1,23 oz) Cable: 50 gr / meter (1,76 oz / meter) > 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 Noise Immunity: Bearing Life: Gated with Channels A and B high Electrical Protection: Mechanical Specifications Hollow Bore: Electrical Specifications Hollow 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.: Enclosure Rating: IP 64 / Nema 4 (approx.) IP 50 / Nema 5 (approx.) - flat cable 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. values for all 3 parameters

Open the catalog to page 1

Type SCH24 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

Open the catalog to page 2

Industrial Encoders Spring coupling Flat Ribbon Cable with IDC connector

Open the catalog to page 3

Type SCH24 Output Terminations Standard Cable Standard Output Channel A AB BZ ZVsup GND Differential Output Wire Color Green NC Yellow NC Gray NC Brown White Flat Cable w/ IDC Connector 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)

Open the catalog to page 4

Type SCH24 Ordering Code Hollow Shaft Length Cable Length Cable Connector Takeout Spring Coupling IP 50 50* IP 64 64 * = Only Flat Cable Standard Standard – Open Collector NPN Standard – Open Collector PNP Differential 26C31 Line Driver Standard Cable Standard is 1 meter Specify length Flat Cable w/ IDC 0,5 meter Standard - with built-in TSM ** Side (radial) Back (axial) Flat cable w/ IDC connector Standard Cable Flat Cable IDC on flat * = Only IP 50 cable* *= Only IP 50 For Scancon Motor Flanges 2 points p/n 80147242 S1 2 points p/n 80139908 S2 Other options on request: Please contact Scancon...

Open the catalog to page 5

All Scancon catalogs and technical brochures

*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.

Brand list