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Frequently Asked Questions

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Question Posted Date  

Is it possible to decode the S-Channel information from an Yaskawa absoute encoder into a usable format?

Answer:

Yes - This absolute encoder feedback data is in a specific ASCII string protocol that is easy to decode and utilize, and can be extracted from the 1CN connector of the Yaskawa Servopack Amplifier.

The attached file below shows wiring details, data format and timing, and sample software code (basic) which can be executed on a PC. The sample code will manipulate the data output from the amplifier into the ASCII string presented in the Sigma II user manual (section 5.7.5). The code below applies to a 12 or 15 bit encoder (code works for both Sigma I and Sigma II amps) . For further reference about absolute encoders in general, please refer to the attached file and Sigma II user manual (section 5.7.5).

Keyword: SGDA, SGDB, SGD, SGDH, Absolute Encoder, Serial Data,
Attachments:
60KB

Product Group/Line:
Servo Products, SGDH Sigma II
Topic/Sub Topic:
Ask a Technical Question, Integration, Operation, Wiring
Document Number:
DCAN-5M4HPH
Published Date:
04/30/2003
04/30/2003

SAFETY PRECAUTIONS AND INSTRUCTIONS FOR USE OF FAQ INFORMATION!

Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.