
Product Safety Group
1201 South Second Street
Milwaukee, WI USA 53204
productsafety@ra.rockwell.com
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PRODUCT NOTICE
Notice of Potential Product Concern
Rockwell Automation issues a Product Notice when it identifies a product(s) anomaly that may cause commercial or customer
satisfaction concerns.
Rockwell Automation Library of Process Objects, P_PIDE Version 4.10.02
Critical Anomalies
Reference: 2021-02-001
Date: February 2021
Critical anomalies were identified with the P_PIDE version 4.10.02 of the Rockwell Automation Library of Process
Objects. The anomalies relate to malfunctioning shedding actions when the P_PIDE is in manual mode and lack of
bumpless transfer when transitioning from Automatic to Manual mode.
– Product Identification –
The affected products are the library objects associated with:
• Rockwell Automation Library of Process Objects (PlantPAx Process Library) – version 4.10.02
• RA Studio 5000 Application Code Manager Process Library Update – version 4.10.02
• Studio Architect Library Update – version 4.10.02
These products contain the affected library object – P_PIDE (version 4.10.02). The version number of the P_PIDE
can be identified in Logix by navigating to the Add-On Instructions tab in the Controller Organizer and selecting the
P_PIDE. The information in the Revision row indicates the version that is subject to this notice.

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– Description –
Two critical anomalies were identified:
1. Shed Anomaly
The P_PIDE may not properly default its CV to the configured safe state value if the interlock conditions are
not met while in the P_PIDE is in Manual mode.
“Safe state” actions can be configured within the faceplate to be None (do nothing), Hold (current state at
the time of the interlock) or Use (a pre-specified value). “Interlocks” can be any number of specified
conditions that are required for the P_PIDE to function normally in Auto mode. If the “chain” of interlocks is
broken, the P_PIDE is expected to follow the behavior configured for its safe state.
The function works as expected when the P_PIDE is in Auto or Cascade mode but will not when the P_PIDE
is in Manual mode, leaving the potential for unexpected machine/equipment behavior.
In addition, the operator can override the “safe state” during an interlock shed condition by simply placing the
P_PIDE into manual mode and requesting a specific CV.
Affected
Version
(screen
capture)

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2. Auto to Manual mode anomaly
The transition of the P_PIDE from Auto to Manual mode is not bumpless as the CV is incorrectly driven to the
last manually entered value instead of starting from the current CV.

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– Temporary Workarounds –
There are no temporary workarounds identified that can be performed with the 4.10.02 version of P_PIDE.
Customers are recommended to use an earlier 4.10.xx version of the P_PIDE (from library 4.10.01 or earlier) until
version 4.10.03 or later is available for download and installation.
– Correction –
Correction required updating to RA Library of Process Objects version 4.10.03 or later. Version 4.10.03 can be
obtained from the Rockwell Automation Product Compatibility and Download Center (PCDC) at
https://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?crumb=112. In the “Search” field
enter “Process Library”. Select the “Process Library” result, then the desired version. Follow the instructions to
download and install the corrected version 4.10.03 or later.
– Requested Customer Action –
Rockwell Automation requests you take the following actions:
• Check if you have a product affected by this Product Notice. Refer to the Product Identification and
Description sections of this document for product identification assistance.
• If you have an affected version of the Process Library, update your library to a version not affected by this
anomaly. Refer to the Temporary Workaround and Correction sections of this document for details.
• If you need additional assistance, please contact Rockwell Automation Technical Support. See Appendix A
for local telephone numbers. Customers without TechConnect℠ support contracts should reference this
Product Notice when calling.
• Customers with TechConnect support contracts may be able to chat online with support representatives.
Reference this Product Notice when connected to a support engineer.

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The most current version of this Product Notice is posted on the Rockwell Automation
Support Center, https://www.rockwellautomation.com/en-us/support/knowledgebase.html,
as ID number PN1546. Additional languages may also be available at the end of this article
attached as downloadable PDF documents.
If this Product Notice does not affect you because you do not have the products any longer, or if you are a Distributor,
Rockwell Automation asks that you forward a copy of this notice, with any identifying documentation, immediately to
the person or company that now has the product. We also ask that you contact Rockwell Automation Technical
Support and provide the location of the affected units.
We appreciate your immediate cooperation. If you have any questions, please contact us.
Sincerely,
ROCKWELL AUTOMATION
You can register for Automatic Product Safety Advisories and Product Notices from Rockwell Automation by email.
Go to the Support web page at http://www.rockwellautomation.com/support and click the Search Knowledgebase –
Get Answers link. Sign in with your TechConnect Account or free Rockwell Automation Member Account and you
can subscribe to important product updates, including Product Safety Advisories and Product Notices.
Trademarks not belonging to Rockwell Automation are property of their respective companies.

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Appendix A
Regional Technical Support Information
The following list can help you to contact the correct technical support center for your location. If your country is not listed, you
can find a customer support number for your location by going to the Rockwell Automation Knowledgebase as
https://rockwellautomation.custhelp.com. Click on Contact Us → Phone, and then enter your location information. If you have
a TechConnect℠ support contract, please use the telephone number supplied to you with the contract.
Phone Number
( ) International Code
Phone Number
( ) International Code
Italy (Brescia, Milano e Padova)
Italy (Bologna,Firenze,Napoli,
Roma e Torino)