KB55302
Published: March 12, 2007
Revision: 3.0

ioDisplay stops updating windows when float values reach +3.4e38 or ‑3.4e38


Applies To:

ioDisplay Professional
ioDisplay Basic

Versions Affected:

Problem was discovered in version: ioDisplay R7.1e, OptoOPCServer R7.1a
Problem is fixed in version: R8.0a PAC Display and OptoOPCServer

Resolved In Version:

Problem is fixed in version: R8.0a PAC Display and OptoOPCServer


Symptoms:

ioDisplay stops scanning if a float variable reaches +3.4e38 or ‑3.4e38, and is referenced in a dynamic attribute by an ioDisplay component such as an Alarm or SuperTrend. An “invalid float operation” error is seen in the Event Log window.


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


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