KB59258
Published: October 12, 2007
Revision: 3.0
Some PAC Control commands under specific conditions, may cause controller problems
Applies To:
PAC Control Professional
PAC Control Basic
Versions Affected:
Problem was discovered in version: R8.0f
Problem is fixed in version: R8.1a
Resolved In Version:
Problem is fixed in version: R8.1a
Symptoms:
Various PAC Control commands may cause a controller to return incorrect results and/or reset under specific conditions. Most are OptoScript commands and can cause the reset if they are used in a tight programming loop. Their equivalent flowchart command does not cause this problem.
OptoScript
Action CommandsConditions
BitClear
When Arg. 0 is an Int 32, and Arg. 1 is an Int 64 variable
BitRotate
When Arg. 0 is an Int 32 or Float, and Arg. 1 is an Int 64
BitSet
When Arg. 0 is an Int 32, and Arg. 1 is an Int 64
BitTest
When Arg. 0 is an Int 32, and Arg. 1 is an Int 64
NumberToFormattedHexString
When Arg. 1 is a Float or an Int 64
NumberToStringField
When Arg. 1 is a Float or an Int 64
NumTableElementBitTest
When Arg. 1 is an Int 64 table
ReadNumFromIoUnitMemMap
When Arg. 1 is a Float or an Int 64
WriteNumToIoUnitMemMap
When Arg. 1 is a Float or an Int 64
OptoScript
Conditional CommandsConditions
IsBitOff
When Arg. 0 is an Int 32, and Arg. 1 is an Int 64
IsBitOffInNumTableElement
When Arg. 1 is an Int 32 table
IsBitOn
When Arg. 0 is an Int 32, and Arg. 1 is an Int 64
IsBitOnInNumTableElement
When Arg. 1 is an Int 32 table
Flow Chart CommandConditions
Numeric Table Element Bit Test
When Arg. 1 is an Int 64 table
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.
Copyright © 2023 Opto 22. All rights reserved.