BEI Rotary Optical Encoder Products - SwiftComm Wireless Industrial Sensor Interface - Absolute Incremental Metric Rotary Designs

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All About BEI Encoder and Accessories

Optical Encoder Design
& Specifying Guide PDF
52-page catalog/ 5.4 Mb

BEI Industrial Encoders manufactures rotary optical encoders - both shafted and hollow shaft styles in incremental, absolute and metric versions designed for factory automation, industrial, harsh, and intrinsically safe environments - and our new SwiftComm wireless encoder interface for industrial motion control applications.	Request your FREE copy!
SwiftComm Wireless Encoder Interface \| Incremental Encoders \| Linear Encoders \| Absolute Encoders \| Metric Encoders \| Encoders for Harsh Environments \| Electronics \| Motor Adapters \| Encoder Accessories Click here to view Product pages by category.

		LINEAR ENCODERS The BEI Linear Incremental Encoder provides outputs for a wide range of motion control applications.
WIRELESS INDUSTRIAL SENSOR INTERFACE Rugged, reliable and secure wireless interface for incremental encoders.
	SwiftComm Wireless Industrial Sensor Interface Point-to-point frequency-hopping 2.4 GHz RF protocol, includes a broad security code range, data encryption, handshaking, interference recovery, and error checking. PDF SwiftComm Wireless Sensor Interface (2 pgs/157k)		LN Series Linear Encoder This linear encoder features an all-stainless steel scale and is equipped with a digital signal processor (DSP). PDF LN Linear Incremental Encoder (2 pgs/213k)

INCREMENTAL ENCODERS Rugged, reliable, industrial encoders, including the industry standard H25 and H20, the HS35 and HS25 hollow-shaft styles, and ultra heavy-duty and explosion-proof models.		METRIC ENCODERS Ready for quick delivery, these rugged metric encoders are built to industrial standards and provide excellent resistance to shock and vibration.
PLEASE NOTE: The Notes and Tables PDF, with standard pinouts, cable color codes, summary specifications for output IC's and a list of available disc resolutions, is bundled with each individual Model's PDF. Or you may choose to download the Notes and Tables PDF (2 pgs/124k) separately.			M58 Metric Incremental Encoder 58 mm diameter metric incremental encoders are readily available with standard configurations in stock for quick delivery. PDF M58 Metric Incremental Encoder (2 pgs/267k)

	Model H25® Incremental Encoder As the flagship of the BEl Industrial Encoders product line, the H25 is designed for the industrial machine tool marketplace. PDF Incremental Optical Encoder Model H25® (4 pgs/256k)	ABSOLUTE ENCODERS Used in applications where a device is inactive for long periods of time or moves at a slow rate, such as flood gate control, telescopes, cranes, valves, etc.
			PLEASE NOTE: The Absolute Encoder Options PDF* (2 pgs/137k, containing pinout and operational information) is bundled with each of the individual PDFs on this page. You may download it separately, and also the 8-Bit Absolute Encoder Options PDF.


	Model H20® Incremental Encoder The H20 is an all metal, extremely rugged encoder with heavy duty bearings and EMI shielding. PDF Incremental Optical Encoder Model H20® (4 pgs/261k)		Model H25® Absolute Encoder One of our most popular single-turn absolutes. Size 25 Rotary Absolutes at 13 bits or less Serial Output options are also available. PDF:Absolute Encoder Model H25® (3 pgs/213k)



	Model HS35 Hollow-shaft Incremental Encoder The HS35 combines the rugged, heavy-duty features in a hollow-shaft style. PDF Hollow Shaft Optical Incremental Encoder Model HS35 (4 pgs/102k)		Model H25X Absolute Encoder offers single turn design for those applications that require 14 or 15 bits of resolution in a compact, easy-to-integrate package. PDF Optical Absolute Encoder Model H25X PDF (4 pgs/521k)
	PDF HS35 Incremental Encoder Dual Output Option (1pg/177k)


	Model HS20 Hollow-shaft Incremental Encoder The HS20 has a compact, rugged design allowing it to fit into confined spaces where lighter duty encoders are not suitable or cost effective. PDF Hollow Shaft Optical Incremental Encoder Model HS20 (2 pgs/144k)		Model H38 Explosion Proof Absolute Encoder The H38 is explosion-proof and carries multiple ratings for hazardous environments. PDF Absolute Optical Encoder Model H38 (6 pgs/445k)

	Model HS45 Hollow-shaft Incremental Encoder The HS45 is a large bore, heavy-duty hollow-shaft encoder designed to operate in very demanding environments. PDF Hollow Shaft Optical Incremental Encoder Model HS45 (4 pgs/283k)		Model HS35 Hollow Shaft Absolute Encoder The HS35 is designed with various output options including Gray Code and Natural Binary and an IP65 environmental rating. PDF Hollow Shaft Optical Absolute Encoder Model HS35 (3 pgs/170k)


	Model HS25 Hollow-shaft Incremental Encoder This low-profile design, just 2" deep, is easily mounted on a through shaft. PDF Hollow Shaft Optical Incremental Encoder Model HS25 (4 pgs/251k)		Model H40 Shock Proof Absolute Encoder The optics and electronics of the H40 encoder are supported in shock-absorbing material within the heavy cast outer housing. PDF Absolute Optical Encoder Model H40 (5 pgs/448k)


	Model L25 Rotary Incremental Optical Encoder The L25 is a lighter duty version of BEl's H25 optical encoder with a low starting torque. PDF Rotary Incremental Optical Encoder Model L25 (5 pgs/353k)		Model HMT25 Multi-turn Absolute Encoder The HMT25 geared multi-turn encoder provides absolute position information over multiple turns of the input shaft, even during power loss. PDF Multi-turn Absolute Encoder Model HMT25 (4 pgs/257k)

	Model E25 Rotary Incremental Optical Encoder The E25 is a light duty encoder whose self-contained mounting and coupling features can result in reduced interface costs. PDF Rotary Incremental Optical Encoder Model E25 (5 pgs/363k)		Model MT40 Multi-Turn Absolute Encoder available through the Precision Systems & Space Division return to top

	Model H38 Explosion Proof Optical Encoder The H38 is an explosion proof version of the field-proven H25 encoder series. PDF Rotary Incremental Optical Encoder Model H38 (4 pgs/429k)	Encoders for Harsh Environments Ideal for oilfield, wash down, water immersion, chemical or other wet, dirty or harsh environments.

	Model H40 Shock Proof Optical Encoder The H40's ultra heavy-duty housing totally isolates the encoder from severe shock and shaft loading conditions. PDF Rotary Incremental Optical Encoder Model H40 (4 pgs/383k)		Environmentally Sealed Optical Encoders IP67 environmental rating, isolated from high shock and vibration, dust tight, and immersible in water. PDF Environmentally Sealed Incremental Encoder Model ES25 (2 pgs/ 307k) PDF Environmentally Sealed Incremental Encoder Model ES20 (2 pgs/ 230k )

	Model HS22 Hollow-shaft Incremental Optical Encoder The heavy-duty HS22 offers either through-shaft or blind-shaft configurations for installation to a servo motor. PDF Hollow-shaft Incremental Optical Encoder Model HS22		Stainless Steel Optical Encoders Model H25® and H20® available with a 304 stainless steel encoder body and bearing housing. PDF Incremental Optical Encoder Model H25® (4 pgs/247k) PDF Incremental Optical Encoder Model H 20® (4 pgs/255k) Note:To order stainless option, add -S to model number and specify on PO.

	Model L15 Rotary Incremental Optical Encoder Ideal for space-limited applications, the L15 encoder discounts size without compromising performance. PDF Rotary Incremental Optical Encoder Model L15 (1 pg/75k)		DrawWorks Encoders Specifically designed for DrawWorks applications, these rugged, heavy-duty encoders feature a unique through-shaft style for use as a winch-turns counter. PDF DrawWorks Hollow-Shaft Encoder Model HS35 (2 pgs/128k)

TRACKBALLS		ADAPTERS	PDF Adapters
Precision movement and fine control meet exacting commercial and industrial requirements.		Motor adapters to mount your encoder to motors from a NEMA frame, size 23 through size 56. All adapter assemblies can be ordered as a completed assembly with an encoder or separately as a kit.

	Model TBP138 This compact panel-mount trackball is designed to meet your exacting cursor control requirements while sustaining mechanical precision and longevity. PDF Model TBP138 Spec Sheet		High-load Bearing Assemblies Available in two styles — Foot-mounted and Square Flange-mounted — with optional shaft configurations.

	Model TBS200 The low-profile panel-mount trackball provides an ideal solution for highly precise control in a smaller package, with 200 counts per revolution. PDF Model TBS200 Spec Sheet		Thermoplastic Adapter & NEMA 34/42 Thermoplastic material provides thermal and electrical isolation.

	Model TBS225 This panel-mount or stand alone trackball provides accurate and reliable motion input to your system with a 2.25-inch ball and superior feel. PDF Model TBS225 Spec Sheet		NEMA 23 Flange Mount Adapter

ELECTRONICS	PDF Electronic Modules		NEMA 56 Adapter
DIN Rail-mountable Signal Conditioners, Intrinsic Safety Barrier, and Encoder Tester devices.

	Optical Isolator Module This DIN rail mounted encoder interface lets you connect an encoder to a variety of controllers, or to multiple input devices, and is compatible with all major counter, drive and PLC components. PDF Optical Isolator Module Applications Guide		H20 Hub Shaft with Flexmount Provides a versatile, general purpose mounting that can readily accommodate shafts from 1/4" up to 5/8" in a compact package.

	Intrinsic Safety Barrier This Galvanically Isolated Intrinsic Safety Barrier is the perfect complement to BEI encoders for hazardous environments. PDF Intrinsic Safety Barrier Spec Sheet (1 pg/76k)		5PY Adapter This standard adapter can accommodate several encoder models. return to top

	Encoder Tester This DIN rail mounted tester is designed to simply and reliably test the operation of any industrial encoder. PDF ETM Applications Guide	ACCESSORIES	PDF Accessories
		Most commonly used accessories including power supplies, couplings, connector/cable assemblies.

	Anti-Dither Module This module can solve the problem of extra counts caused by high vibration. PDF: Anti-Dither Guide		Power Supply This DIN rail-mountable power supply fits into small enclosures and offers a wide variety of input voltages, both AC and DC.

	The Broadcaster This module accepts standard incremental encoder input and can broadcast up to four encoder signals to four independent devices. PDF: Encoder Broadcaster Module		Cable for Incremental Encoders Available in 100' and 500' reels for your own custom wiring requirements.

	Serial-to-Parallel Converter This module takes serial data from any BEI Serial Synchronous Interface (S3) or RS-422 Interface (S1) encoders and converts it to a parallel output.		Couplings Couplings are high performance, helical-cut beam style. They are made of aluminum and are iridite coated to resist chemical attack.

		Mating Connectors for Incremental Encoders These have sealed conductors and are screw-on military style connectors with solder cups on the back of the pins and built-in clamping strain relief. The environmentally sealed backshell is waterproof.

		Mating Connectors for Absolute Encoders These have sealed conductors and use a bayonet push-and-turn shell with solder cups on the back of the pins and built-in clamping strain relief. The environmentally sealed backshell is waterproof.

		Synchro-Clamps These clamps are used with servo-style bearing housings to hold the face of the encoder against a mounting plate.

		Measuring Wheel With a 12-inch circumference and aluminum hub, this measuring wheel attaches to a standard 3/8-inch shaft.

We Accept		Hollow-Shaft Encoder Housing For use with either HS25 or HS35 encoders, this cage is designed to protect hollow-shaft encoders from mechanical damage during handling and installation.