Opto 22

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KB85952
Optomux responses on E1/E2 may be delayed
Revision:  2.0
Published:  6/30/2016
Applies To
E1
E2
Versions
Problem affects versions:  
All versions
Problem is fixed in version:  
Firmware R1.2b

SYMPTOMS

On an E1 or E2 brain board, Optomux responses containing more than 64 ASCII characters may be delayed by 100+ milliseconds. Commands that return return four ASCII characters of data per module and request all module positions are likely to trigger this issue. Command examples:

  • On an E1: Read Counters, Command W
  • On an E2: Read Analog Inputs, Command L

    WORKAROUND

    Send commands that cause responses of 64 ASCII characters or fewer. For the commands indicated in Symptoms, read up to 8 modules at a time.

    RESOLUTION

    Opto 22 has resolved this issue.

    Relevant Downloads
    No relevant downloads have been specified.
    Questions? Contact Opto 22 Product Support.
    Phone: 800-835-6786 or 951-695-3080
    Email: support@opto22.com

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    This Opto 22 Knowledge Base ('OptoKB') article is intended to provide general technical information on a particular subject or subjects and is not an exhaustive treatment of such subjects. Accordingly, the information in this OptoKB article is not intended to constitute application, design, software, or other professional engineering advice or services. Opto 22 may modify the OptoKB articles at any time. Before making any decision or taking any action which might affect your equipment, you should consult a qualified professional.

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