Invalid analog readings possible while erasing and writing to flash memory on Ethernet-based I/O units

Applies To:

SNAP-UP1-ADS
SNAP-UP1-M64
SNAP-LCE
SNAP-B3000-ENET
SNAP-ENET-S64

Versions Affected:

Problem was discovered in version: R6.1a
Problem was fixed in version: R7.1a

Resolved In Version:

Problem was fixed in version: R7.1a

Symptoms:

Analog input point values of –1.#QNAN may be returned if the I/O unit is also executing commands that erase and write to flash memory. This can occur, for example, while running an ioControl strategy, and when the I/O unit is accessed by ioManager or ioTerminal.

Resolution:

Opto 22 has corrected this issue.

Questions?

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

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