Rockwell Automation 1771ACN/B_1771ACNR/B,D17716.5.123 U.MNL CONTROLNET ADAPTER - Manual (Page 43)

Chapter
5
Publication 1771-6.5.123 – May 1996
Troubleshooting
In this chapter, you will learn how to use the indicators on the
module frontplate for troubleshooting the module. This includes:
•
troubleshooting with the status indicators and status display,
including:
•
OK indicator and display mnemonics
•
ControlNet status indicators
The module has indicators on the front plate, as shown below. These
indicators consist of:
•
OK indicator
•
status indicators
•
display of status and address
Use these indicators for troubleshooting the module.
ControlNet Status Indicators
1771-ACN 1771-ACNR
Status Display and Net Address
STATUS
NET
ADDRESS
OK
STATUS
NET
ADDRESS
OK Indicator OK
The following tables describe problems that may occur, probable
causes, and recommended courses of action.
Chapter Objectives
Troubleshooting With the
Status Indicators and
Status Display