QD145 Incremental Encoder IP-66 Sealing Option

February 24, 2016

Quantum Devices Inc. has a mounting option that allows for IP-66 sealing of the QD145 Incremental Encoder.  There are two o-rings in the clam shell design; One o-ring seals the encoder to the mounting surface (usually a motor), and the other o-ring seals the end bell housing that covers the...

Cross-referencing RENCO Incremental Encoders

February 3, 2016

We have always been able to come up with a suitable replacement for Renco encoders, but our customers are making us aware that we need to point that out. For those who don’t know, Renco, after being absorbed by Heidenhain, made the decision to  eliminate much of their product line. ...

The use of potentiometers in Incremental Encoder Design

January 26, 2016

Recently I decided to catalog the competitive Incremental Encoders that have populated the shelves surrounding my desk.  In doing so, I was surprised to find that many of our competitors use potentiometers in their designs. I can understand why they need to use potentiometers.  In most designs the potentiometers are...

Inverted Flex Mount for QD145 Optical Encoder

July 19, 2014

O. .Another way to mount an Optical Encoder Instead of using an end bell,  a lot of our motor manufacturer customers recess the QD145 optical encoder into an extended motor housing and then seal the motor with an end plate. This has the advantage of being a lower cost item...

Understanding Incremental Encoder signals

June 29, 2014

Which incremental encoder wires should I use? Channels A & B (Incremental Channels) Use only A (or only B) for an RPM or counting applications where the rotation is either unidirectional, or where you don’t need to know direction. Use A and B together to know direction. After two low...

Understanding Options on the QDH20 Industrial Rotary Encoder.

November 20, 2013

The QDH20 is an IP66 sealed encoder made for the rugged duty of an industrial application.  Due to the huge array of configuration options, this optical encoder has over 200,000  possible ways that it can be configured. While this is certainly an advantage to an end user that may be...

The robust QD-H20 IP-66 Industrial Rotary Encoder

May 4, 2013

. The QD-H20 is an idea replacement encoder for size 20 and size 25 industrial applications.  It is an IP-66 sealed rotary incremental encoder.  This high IP rating provides outstanding environmental protection with all of the line count and output options of the QD-145 incremental encoder. The QDH20 style Industrial...

The HR-12 HEDS replacement optical encoder

April 27, 2013

. . HEDS style encoders have long been a popular choice for an enclosed low line count positional feedback device.  The packaging allows for added enclosure protection in a lighter duty encoder. This type of product is often seen in applications such as vending machines, printers, plotters, positioning tables, etc....

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