Flash updating the adapter, Flash updating the adapter -10 – Rockwell Automation 20-COMM-H RS485 HVAC Adapter FRN 2.xxx User Manual
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Configuring the Adapter
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
Flash Updating the Adapter
The adapter can be flash updated over the network or serially through a
direct connection from a computer to the drive using a 1203-USB or
1203-SSS serial converter.
When flashing over the network, you can use the Allen-Bradley software
tool ControlFLASH, the built-in flash capability of DriveExplorer Lite or
Full, or the built-in flash capability of DriveExecutive.
When flashing through a direct serial connection from a computer to a
drive, you can use the same Allen-Bradley software tools described above,
or you can use HyperTerminal set to the X-modem protocol.
To obtain a flash update for this adapter, go to
This site contains all firmware update files and
associated Release Notes that describe firmware update enhancements/
anomalies, how to determine the existing firmware version, and how to flash
update using DriveExplorer, DriveExecutive, ControlFLASH or
HyperTerminal.