Series 8 C300 Controller User's Guide
Honeywell
9. C300 Controller Maintenance
9.3. C300 Controller module and IOTA replacement
Module, RAM Charger 2
Connections
Module, RAM Charger 4
Connections
* Supersedes RAM Charger Assembly 51199932-100.
9.3
C300 Controller module and IOTA replacement
To replace a non-redundant controller module, perform the following steps.
CAUTION
This procedure can only be performed while off process.
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.
Loosen screws at each side of the module cover that secures the controller
module to the IOTA board.
Carefully remove the Controller module from the IOTA board and connector.
Insert the new controller module onto IOTA board making sure that the
controller circuit board mates properly with the IOTA board connector.
Note that all modules are keyed.
Secure the controller module to the IOTA board with two screws located at
each side of the plastic cover.
The new controller will boot-up to ALIVE or NODB state.
Load firmware which is the same version as was running in the old controller.
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