Summary of changes – Rockwell Automation 20-COMM-H RS485 HVAC Adapter FRN 2.xxx User Manual
Page 3
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
Summary of Changes
The information below summarizes the changes made to this manual since
its last release (March 2004):
Description of Changes
Page
Reformatted document from half size (5.5 x 8.5 in.) to full size (8.5 x 11 in.)
Throughout
manual
Added SMC Flex to the list of compatible products, and Metasys N2 is compatible with
PowerFlex 700VC drive.
Added new Adapter Modbus Register Map section.
Included information about using Modbus RTU mode to access 16-bit and 32-bit
parameters.
and
Added new Adapter Parameter Direct Access section.
Added new Metasys N2 Device Identity subsection.
Added new “Reference Setup Examples” subsection.
Added tip about configuring Analog Data Integers (ADIs).
Added Flashing Red/Green MOD status indicator information.
Added new Parameter 32 - [RTU Param Mode] to select the 16-bit default mode or
optional 32-bit mode in which the adapter operates.
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