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Datasheet MH900 (EN)

Datasheet MH900 (EN)

Datasheet MH900 (EN)

Product catalog summary
Overview: The Absolute Multi-Turn Encoder MH900 is a gearless and battery-free encoder designed for industrial applications. It features a blind hollow shaft with a housing size of 90 mm and bore diameters ranging from 35 to 50 mm. The encoder supports various interfaces and resolutions, available in both binary and gray code.
Mechanical Specifications: The encoder is constructed with an aluminum body and stainless steel shaft. It operates at a maximum speed of 6000 RPM with a starting torque greater than 0.05 Nm. The encoder can withstand axial loads up to 50 N and radial loads up to 80 N. It is rated for shock resistance up to 1000 m/s² and vibration resistance up to 50 m/s². The protection class is IP65, suitable for operating temperatures between -20 °C and +70 °C.
Electrical Specifications: The encoder supports multiple protocols including SSI, CANopen, CAN SAE J1939, RS485, and BiSS-C. It operates on a supply voltage range of 5 VDC to 30 VDC, with varying current consumption depending on the protocol. The encoder features short circuit protection and programmable transmission modes.
Connections: The encoder offers various connection options including 8 Pin M12, 5 Pin M12, and 12 Pin M23 configurations. Each connection type is associated with specific functions and cable color codes for easy installation.
Ordering Code: The ordering code is structured to specify the group function, basic series number, shaft size, mechanical options, connection type, connector location, output signals/interface, supply voltage, and resolution. Special functions and designs are indicated by a code at the end of the part number.
Accessories: Available accessories include mating connectors and female plugs for different pin configurations.
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Catalog excerpts

Datasheet MH900 (EN)-1

Absolute Multi-Turn Encoder ■ Gearless and Battery-Free Design ■ Variable Interfaces with Different Resolutions Available ■ Binary and Gray Code Material Body & Cover Material Shaft Max. Speed Mass Moment of Inertia Starting Torque (at25 °C) Max. Loading on Shaft Shock Resistance (6 ms) Vibration Resistance (55-2000 Hz) Protection Class (DIN EN 60529) Operating Temperature Weight Aluminum Stainless Steel 6000 RPM DIR = Vcc ^ ccw Set: Preset = Vcc for 2s Reset: Preset = GND 100 % Supply Voltage Vcc Current Consumption (no toad) Output Circuit Pulse Frequency Direction Setting DIR <-> Preset/Reset Setting Short Circuit Protection All information without guarantee, errors and changes reserved / REV001. Stand 10/2026

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Datasheet MH900 (EN)-2

Absolute Multi-Turn Encoder MH900 Absolute Multi-Turn Blind Hollow Shaft Encoder Electrical Specification CANopen Current Consumption Current Consumption Device Profile for Encoder Device Profile for Encoder CiA Node Number Node Number Baud Rate 10 kBaud to 1 MBaud with Baud Rate Automatic Bit Rate Detection Automatic Bit Rate Detection Synchronous Mode Synchronous Mode Transmission Modes Asynchronous Mode Transmission Modes Asynchronous Mode Electrical Specification RS485 Supply Voltage Vcc Current Consumption (no load) Output Circuit Pulse Frequency Baud Rate Other baud rates per request Polling...

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Datasheet MH900 (EN)-3

Absolute Multi-Turn Encoder MH900 Absolute Multi-Turn Blind Hollow Shaft Encoder Electrical Specification BiSS-C Supply Voltage Vcc Current Consumption (no load) Output Circuit Set-up Time Position Update Rate Digital Hysteresis Signals BiSS-C Geometry Dimension in mm (drawing available as: dxf-,iges-, step-,sld-file) Different Bore Diameters (D) Available—see ordering code All information without guarantee, errors and changes reserved / REV001. Stand 10/2026

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Datasheet MH900 (EN)-4

Absolute Multi-Turn Encoder Function SSI Cable Color Code Pin (8Pin M12, 12Pin M23) Pinout SSI Data -Preset/ Reset Direction Setting/DIR Cable Color Code Function CAN SAE J1939 Cable GND white Function RS485 Cable Color Code 1 Preset/Reset blue Function BiSS-C Cable Color Code GND All information without guarantee, errors and changes reserved / REV001. Stand 10/2026

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Datasheet MH900 (EN)-5

Absolute Multi-Turn Encoder MH900 Absolute Multi-Turn Blind Hollow Shaft Encoder Ordering Code a. = Group Function MH = Multi-Turn Blind Hollow Shaft Encoder d. = Mechanical Option 0 = None g. = Output Signals/Interface 1 = CAN SAE J1939 J = Binary Code SSI O = RS-485 Q = BiSS-C R = CANopen Y = Gray Code SSI b. = Basic Series Number 900 e. = Connection Type 0 = 2 m Cable [6`] 7 = 12 Pin M23 Plug P = 5 Pin M12 Plug (A-code) Q = 8 Pin M12 Plug (A-code) h. = Output, Supply Voltage 1 = 5 VDC 3 = 4.75–30 VDC F = SSI, 5 VDC G = SSI, 10–30 VDC c. = Shaft Size Selectable from 35 to 50 mm 35 = 35 mm,...

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All W+S Meßsysteme GmbH catalogs and technical brochures

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  4. MS650

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  5. IS410

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  6. IS280

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  7. IS 280

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  8. IS 240

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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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