Rockwell Automation Allen-Bradley ControlNet 1734-ACNR User Manual page 143

1797-ACNR15 ControlNet
FLEX Ex Redundant Media
I/O Adapter
Network Channel Status
Module Status
Table 8.12 1797-ACNR15 Communication Status Indicators
If Both Channel It Means
Status Indicators Are
Off Channel disabled
Steady green Normal operation
Flashing green/off Temporary network errors
Node is not configured to go online
Flashing red/off Media fault
No other nodes present on network
Flashing red/green Incorrect network configuration
This figure shows the status indicators used on the 1797-ACNR module.
Figure 8.7 1797-ACNR15 Status Indicators
The modules use the following 2 status indicators:
• Comm - Communication status indicator for each channel
• Status - Module status indicator
This table describes the 1797-ACNR15 communication status indicators.
Troubleshoot Your ControlNet Communication Modules
Take This Action
Program network for redundant media, if necessary.
None
1. Check media for broken cables, loose connectors,
missing terminators.
2. If condition persists, refer to the ControlNet Coax
Media Planning and Installation Manual, publication
CNET-IN002.
Make sure the network keeper is present and working and
the selected address is less or equal to the UMAX
1. Check media for broken cables, loose connectors,
missing terminators.
2. If condition persists, refer to the ControlNet Coax
Media Planning and Installation Manual, publication
CNET-IN002.
Add other nodes to the network.
Reconfigure the ControlNet network so that UMAX is greater
than or equal to the module's node address.
Publication CNET-UM001C-EN-P - November 2005
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