Rockwell Automation 1756-DHRIOXT ControlLogix-XT Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 20)

20 ControlLogix-XT Data Highway Plus-Remote I/O Interface Module
Publication 1756-IN638A-EN-P - March 2009
Power Supply Status
If the alphanumeric indicator on the 1756-DHRIO module does not
cycle through alphanumeric messages on powerup, use this table,
along with the sections Alphanumeric Display Codes (
page 21 ) and
Status Indicators ( page 24 ) to determine a cause.
Configure Your 1756-DHRIOXT Module
After installing your 1756-DHRIOXT module, you must configure it.
The 1756-DHRIOXT module is configured using the same methods
and considerations as the traditional 1756-DHRIO module. For more
information about configuring and using the 1756-DHRIOXT and
1756-DHRIO modules, refer to the ControlLogix Data Highway
Plus-Remote I/O Communication Interface Module User Manual,
publication
1756-UM514 .
POWER Indicator State Means Recommended Actions
Off Not operating • Turn power switch ON.
• Check power wiring connections.
• Check fuse.
On/Solid green Operating None - this is normal operation.