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Allen-Bradley 1756 User Manual

Allen-Bradley 1756
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26 Rockwell Automation Publication 1756-RM011A-EN-P - June 2016
Chapter 4 Application Conversion
EDS Updates for
RSLinx Software
For most applications, you will probably have yellow question marks when
browsing a chassis via RSLinx® software containing an 8-channel module. The
yellow question marks do not affect module operation.
To remove the yellow question marks you must obtain and install the latest
EDS file for the 8-channel module. Even if you are using the 8-channel
modules in 6-channel Emulation mode they will always show up in RSLinx
software as 8-channel modules.
Before EDS installation:
After EDS installation:
Module Info Tab
If an entry for a 6-channel module is in the I/O tree, the module info tab still
reports the actual module identity, which is that of an 8-channel module. The
module identity also reports a Mismatch and an Internal State of 16#0065
unknown (if in Run mode) or 16#0075 unknown (if in Program mode).
Mismatch and “unknown” does not create any issues. See KB ID 581299 for
more information on Mismatch and “unknown”.

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Allen-Bradley 1756 Specifications

General IconGeneral
BrandAllen-Bradley
Model1756
CategoryControl Unit
LanguageEnglish

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