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CH840

Product catalog summary

Overview: The document provides technical specifications for the CH 840 Commutation Hollow Shaft Encoder, designed for heavy-duty applications. It is a shaft-mounted encoder with a keyway, offering a maximum of 2048 pulses per revolution (PPR) and suitable for DC motor commutation signals.

Mechanical Specifications:

Maximum Speed: 6000 RPM
Torque: Greater than 0.04 Nm
Axial Loading: 20 N
Radial Loading: 30 N
Protection: IP 65
Temperature Range: -20˚ to +70˚ C (-4˚ to +158˚ F), with an optional +100˚ C (+212˚ F)
Weight: 0.27 lb (130 g)
Material: Plastic (Noryl) for cover, body, and shaft

Electrical Specifications:

Supply Voltage: 5-15 V or 10-30 VDC
Current Consumption: 100 mA (max)
Output Circuit: Push-Pull, RS 422A
Impulse Frequency: 200 kHz (max)
Logic Levels: High - Vcc - 0.7 Volt, Low - 0.25 Volt (max)
Short Circuit Protection: 100%

Output Signals: The encoder provides commutation signals in the CW direction, with A leading B when facing the shaft. The output signals include A, B, 0, U, V, W, and their complements.

Ordering Code: The ordering code is structured to specify group function, basic series number, shaft size, mechanical options, connector type and location, output signals, and output circuit type. Special functions and designs are indicated by a four-digit code at the end of the part number.

Connections: The document provides a detailed cable color code for various functions, including 0 Volt, + Volt, A, B, 0, U, V, and W.

Additional Information: Drawings are available in various formats such as dxf, iges, step, and sld files. The encoder is designed for robust performance in demanding environments.

Catalog excerpts

Heavy Duty Construction Shaft Mounted (with Key Way) 2048 PPR Maximum DC Motor Commutation Signals ELECTRICAL SPECIFICATIONS Commutation signal shown in the CW direction

Open the catalog to page 1

Drawing available as: dxf, iges, step, sld file ORDERING CODE a Group Function CH=Commutation Hollow Shaft b Basic Series Number 840 c Shaft Size D 12=15mm d Mechanical Options 0 = None Note: Special functions and designs will be designated by a 4 digit code at the end of the part number. Consult factory for further details e Connector Type 0=2 mtr. Cable f Connector Location R=Radial g Output Signals A=A+B+0+U+V+W B=A+B+0+U+V+W+Compliments h Output Circuit Type 6=5 to 15 VDC 7=10 to 30 VDC Function Cable Colour Code 0 Volt white black violet grey/pink red/blue white/green

Open the catalog to page 2

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Archived catalogs

GES Encoder Catalogue
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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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