I/O Services may become unresponsive upon startup or after installing a GRV-IVAPM-3 module

Applies To:

Firmware for the following:

GRV-EPIC-PR1
GRV-EPIC-PR2

Versions Affected:

1.4.3 to 3.4.4

Resolved In Version:

3.4.5

Symptoms:

You may have this issue if you observe the following:

Functions on the I/O Services page (from the groov Manage Home page, click I/O > I/O Services) do not work correctly.
No responses from the memory map nor the I/O.
On groov Manage I/O page (from the groov Manage Home page, click I/O), there is a yellow banner at the top with the message "I/O offline" and no modules are listed in the slots.
Some module LEDs turn red.

This is more likely to happen in the following situations:

At start up.
When you install a GRV-IVAPM-3 module on the chassis.
You hot swap a GRV-IVAPM-3 module into a slot previously unoccupied or occupied by a module of a different type.

There may not be any messages in the I/O Services log file to indicate that there may be an issue.

Resolution:

Opto 22 has resolved this issue.

Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com

DISCLAIMER

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.

OPTO 22 DOES NOT WARRANT THE COMPLETENESS, TIMELINESS, OR ACCURACY OF THE DATA CONTAINED IN THIS OPTOKB ARTICLE AND MAY MAKE CHANGES THERETO AT ANY TIME AT ITS SOLE DISCRETION WITHOUT NOTICE. FURTHER, ALL INFORMATION CONVEYED HEREBY IS PROVIDED TO USERS 'AS IS.' IN NO EVENT SHALL OPTO 22 BE LIABLE FOR ANY DAMAGES OF ANY KIND INCLUDING DIRECT, INDIRECT INCIDENTAL, CONSEQUENTIAL, LOSS PROFIT, OR DAMAGE, EVEN IF OPTO 22 HAS BEEN ADVISED ON THE POSSIBILITY OF SUCH DAMAGES.

OPTO 22 DISCLAIMS ALL WARRANTIES WHETHER EXPRESSED OR IMPLIED WITH RESPECT TO THE INFORMATION (INCLUDING HARDWARE, SOFTWARE, AND/OR FIRMWARE) PROVIDED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTIBILITY, AND NON-INFRINGEMENT. Note that certain jurisdictions do not sanction the exclusion of implied warranties: thus, this disclaimer may not apply to you.