R500
April 2017
Series 8 C300 Controller User's Guide
Honeywell
229
9. C300 Controller Maintenance
9.3. C300 Controller module and IOTA replacement
Step
Action
Connect violet IOLINK cable to
IOL2A
and
IOL2B
for
IOLINK 2
interface
of the controller.
13
Install the two-wire twisted pair Battery cable onto the
MEMORY HOLD-UP
connector on the left side of the IOTA board.
14
Insert the 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.
15
The controller will boot-up into an ALIVE state or a NODB operating state.
16
In
Control Builder
, perform a '
Load with Contents
' to the controller.
To replace a redundant or secondary controller IOTA, perform the following steps.
Step
Action
1
In
Control Builder
open either the primary or secondary C300 FB and select
the
Redundancy tab
. Click the
Disable Synchronization
button to set the
Auto-Synchronization State parameter to "DISABLED."
2
Perform steps 1 through 17 of the procedure
Note that there is additional orange REDUNDANCY cable connected to the
IOTA.
3
The controller will boot-up into an unsynchronized secondary redundancy
state with BKUP operating state.
4
From either the primary or secondary C300 FB form
Redundancy tab
, click
the
Enable Synchronization
to initiate synchronization and allow auto-
synchronization.
5
The controller will now display a synchronized redundancy state.
