controller will warm start in Running mode. If the warm start
fails, the controller will go to Stopped mode.
n
Last operating mode, or Stopped after an abnormal stop
This option is the default setting for ControlEdge 900 controller.
The controller will start in the operating mode that it was last in
prior to a power off, unless there was an abnormal stop caused by
a system error such as a watchdog timeout issue. It will then start
in Stopped mode.
l If the controller was in Running mode before power off, the
controller will warm start in Running. If the warm start fails, the
controller will go to Stopped mode.
l If the controller was stopped manually before power off, the
controller will start in Stopped mode.
l If the controller was stopped abnormally before power off, the
controller will start in Stopped mode.
n
Running
The controller will warm start in Running mode. If the warm start
fails, the controller will go to Stopped mode.
n
Stopped
The controller will start in Stopped mode.
ATTENTION: If you reboot the controller manually, the
configuration in this section will not take effect. For example: If
you select Running here, and you select Reboot Controller under
Maintenance, and click Cold Reboot. The controller will perform
cold start, but not warm start after it reboots.
Configuring controller redundancy
To disable redundancy
1. Under Controller and Programming, select Configure Controller
Redundancy.
2. Select Disable Controller Redundancy to disable the redundancy
function.
3. Click OK. Redundancy has been disabled. The IP address
configured for the secondary controller will be disabled.
To enable redundancy
46
Chapter 4 - Software
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