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Resolving I/O module device address changed and Blacklisted device detection errors.


Potential for Data Loss: The steps detailed in the resolution of this article may result in a loss of critical data if not performed properly. Before beginning these steps, make sure all important data is backed up in the event of data loss. If you are unsure or unfamiliar with any complex steps detailed in this article, please contact Product Support Services for assistance.


Some IO modules status showing as 'Blacklisted device detected" or "Address shift detected" or a system alarm is received indicating the condition.

AS trace logs may show one of the following entries...

2015-08-18 17:41:02.675 [1256862784] Module at address 14 is reporting Internal Error Code 32

2015-08-18 17:41:02.757 [1256862784] Module at address 28 is reporting Internal Error Code 32

2015-08-18 17:41:02.825 [1256862784] Module at address 12 is reporting Internal Error Code 32

2015-08-18 17:41:02.869 [1256862784] Module at address 13 is reporting Internal Error Code 32

2015-08-18 17:41:02.951 [1256862784] Module at address 15 is reporting Internal Error Code 32


2015-06-18 10:05:13.912 [1255584832] Error: Bad_Address (0xb0000), module Automation_Server_Io_Bus(31), moduleCode 0, dispString "AS address is invalid", techString "nsp_servers/plugins/CentralIOPlugIn/CIO/source/IOManager.cpp line 460"

2015-06-18 10:05:20.789 [1255584832] IOBusServer::run: Caught CIO exception from slot 3



Automation Server



One or more terminal base may have to be replaced.

Intermittent IO connection (typically in S-cable).


Click HERE for steps to resolve the problem.

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‎2018-09-11 12:02 PM
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