Rockwell Automation 1747-SCNR ControlNet Scanner Module Reference Manual - Manual (Page 45)

1 Publication 1747-RM623D-EN-P - June 2006
Chapter
5
Troubleshoot
What This Chapter Contains The following table describes what this chapter contains and its
location.
Troubleshoot with the
Status Indicators and
Status Display The 1747-SCNR module has indicators on the front plate, as shown in
the figure.
These indicators are the following.
• An alphanumeric display (of status and node address)
• A and B status indicators
• OK
Use these indicators to troubleshoot the scanner.
For Information About See Page
Troubleshooting 4-1
Apply chassis power
4-2
Alphanumeric display 4-2
OK indicator and display mnemonics 4-3
30750-M
Status Display and
Node Address
OK indicator
ControlNet
Status Indicators