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GUANGZHOU LINK AUTOMATION EQUIPMENTCO., LTD
Rotary Encoder - Economic type, BW38H, BW38S

Rotary Encoder - Economic type, BW38H, BW38S

Product catalog summary

Overview: The document provides technical specifications and ordering information for two economical encoder models: BW38H (Hollow Type) and BW38S (Shaft Type). Both models feature AB output signals and a Zero signal, with a resolution scope ranging from 200 to 3600 pulses per revolution (P/R).

Specifications:

Resolution Scope: 200~3600 P/R
Operating Temperature: –20°C to +85°C
Maximum Frequency Response: 220KHz
Supply Voltage: 5V, 7~24V available
Protection Rating: IP50
Compliance: RoHS

Mechanical Specifications:

Maximum RPM: 5000 rpm
Shaft Loading - Axial: 19.6N
Shaft Loading - Radial: 29.4N

Electrical Specifications:

Line Driver Output: Rise & Fall Time: 1 μs (Other type) Max, -200 ns (Line Driver Output) Max
Current Consumption (Icc): 100 mA Max

Ordering Information:

Output Mode: Open Collector (NPN), Push-Pull, Line Driver (5V DC only)
Supply Voltage Options: 5V DC, 7-24V DC
Hollow Diameter (BW38H): 8mm
Shaft Diameter (BW38S): 6mm, 8mm
Cable Length: 500mm

Electrical Connections:

Green: A+ (Square wave output)
Brown: A- (Square wave output)
White: B+ (Square wave output)
Grey: B- (Square wave output)
Yellow: I+ (Square wave output)
Orange: I- (Square wave output)
Black: GND (0 V)
Red: Vcc (Power positive)

Important Notes:

Not suitable for key function safety equipment such as ABS brake systems, power steering, life support systems, and EMT/EMS systems.
Consult the manufacturer for more information.
The life cycle of the bearing is inversely proportional to the rotation speed.
5000 rpm is the maximum value and should be adjusted based on frequency response and resolution.

Catalog excerpts

Rotary Encoder - Economic type, BW38H, BW38S-1

BW38H Economical Model - Hollow Type • AB output signals and Zero signal • Resolution Scope: 200~3600 P/R • Operating Temperature: –20˚C ~ +85˚C • Maximum Frequency Response: 220KHz • Supply Voltage: 5V, 7~24V available • Easy Mount • IP50 • RoHS Note: Please do not apply for key function safety equipment, such as ABS brake system, power steering, life support system and EMT/EMS system. Please consult us for more info. Supply Voltage Output Mode C: Open Collector Output Hollow Diameter D: Line Driver Output Note: Code "D" is available for Voltage 5V DC only. Recommended Environmental Spec. Mechanical Spec. Shaft Loading - axial Shaft Loading - Radial Operating Temperature 220k Hz (Rotation speed rpm)x N/60 Supply Voltage Frequency Response Electrical Spec. (Line Driver Output) Item Requirement 100 mA Max. -200 ns (Line Driver Output) Max. Rise & Fall Time - Life cycle of bearing is inverse of rotation speed. - 5000rpm is the max value it should be adjusted based on frequency res

Open the catalog to page 1

Rotary Encoder - Economic type, BW38H, BW38S-2

Wave Form. Electrical Connections Color of Lead Wire Square wave output Square wave output Square wave output Square wave output Square wave output Square wave output Power positive Shielding Braid View from encoder shaft end, clock wise Signal Z is ungated to signal AB. External Dimension Unit: mm, tolerance: +/- 0.5mm Plate Spring Plate Spring

Open the catalog to page 2

Rotary Encoder - Economic type, BW38H, BW38S-3

BW38S Economical Model - Shaft Type • AB output signals and Zero signal • Resolution Scope: 200~3600 P/R • Operating Temperature: –20˚C ~ +85˚C • Maximum Frequency Response: 220KHz • Supply Voltage: 5V, 7~24V available • Easy Mount • IP50 • RoHS Note: Please do not apply for key function safety equipment, such as ABS brake system, power steering, life support system and EMT/EMS system. Please consult us for more info. Supply Voltage Output Mode C: Open Collector Output Shaft Diameter D: Line Driver Output Note: Code "D" is available for Voltage 5V DC only. Recommended Environmental Spec. Mechanical...

Open the catalog to page 3

Rotary Encoder - Economic type, BW38H, BW38S-4

Open the catalog to page 4

All GUANGZHOU LINK AUTOMATION EQUIPMENTCO., LTD 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.

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