226
Series 8 C300 Controller User's Guide
Honeywell
R500
April 2017
9. C300 Controller Maintenance
9.3. C300 Controller module and IOTA replacement
Part Name
Part Number
Description
Quantity
per 10/100
Output Terminal Assembly
RAM Charger
Assembly
51199932-100
Module, RAM Charger 2
Connections
2/10
RAM Charger
Assembly
51199932-200*
Module, RAM Charger 4
Connections
2/10
* 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.
Step
Action
1
Loosen screws at each side of the module cover that secures the controller
module to the IOTA board.
2
Carefully remove the 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.
Note that all modules are keyed.
4
Secure the controller module to the IOTA board with two screws located at
each side of the plastic cover.
5
The new controller will boot-up to ALIVE or NODB state.
6
Load firmware which is the same version as was running in the old controller.
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