C300 Controller module and IOTA replacement
To replace a redundant or secondary controller module
212 Experion C300 Controller User's Guide R301.1
Honeywell 11/06
To replace a redundant or secondary controller module
CAUTION
This procedure can only be performed while on-process if the module to be
replaced is in the secondary role.
We recommend that you proceed with extreme caution whenever replacing
any component in a control system. Be sure the system is offline or in a safe
operating mode.
Component replacements may also require corresponding changes in the
control strategy configuration through Control Builder, as well as downloading
appropriate data to the replaced component.
Step Action
1
In Control Builder, open the primary C300 FB and select the Redundancy
tab. Click the Disable Synchronization button to the auto-sync parameter to
"Disabled."
2
Loosen screws at each side of the plastic cover that secures the defective
controller module to the IOTA board. Remove controller module from the
IOTA board and connector.
3
Insert the new controller module onto IOTA board making sure that the
controller circuit board mates properly with the IOTA board connector.
Secure the controller module to the IOTA board with two screws located at
each side of the plastic cover.
4
Load firmware which is the same version as was running in the old controller.
5
The new backup controller will boot to ALIVE or BKUP. If the application
image does not match the primary controller, it will be unsynchronized.
6
From either the primary or secondary C300 FB Redundancy tab, click the
Enable Synchronization button to initiate synchronization and allow auto-
synchronization.
7
The controller will now display a synchronized redundancy state.
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