Allen-Bradley ControlNet Compact GuardLogix 1769, User Manual, Page: 20 / 100

Chapter 1 ControlNet Overview
If the active keeper is taken off the network, a valid back-up keeper can take over
for it and continue to act as keeper. As long as at least one valid multi-keeper
device is present on the network, new scheduled connections can be established.
To review the valid keeper devices on your network, follow this procedure in
RSNetWorx for ControlNet software.
1. From the Network menu, choose Keeper Status.
2. Review the keeper devices on the Keeper Status dialog box.
On a typical network, the following must be true:
•
•
There must be only one active valid keeper.
All other keepers must be valid. If a keeper is not valid, it cannot
perform any scheduled communication. However, all unscheduled
•
communication occurs as expected.
The keeper signature, shown in hex, must be the same for all nodes.
Node 16 is not
a valid keeper.
20 Rockwell Automation Publication CNET- UM001E-EN-P - June 2016