Contents
xii Experion C300 Controller User's Guide R301.1
Honeywell 11/06
C300 REDUNDANCY OPERATION................................................... 187
Description..............................................................................................................187
Redundancy configuration restrictions ...............................................................188
C300 Controller Device Index ........................................................................................... 188
IOLINK interface considerations........................................................................................ 188
Series C FIM restrictions ................................................................................................... 188
Partner (controller) compatibility..........................................................................189
Redundancy compatibility parameter - RDNCMPT ........................................................... 190
Synchronization states ..........................................................................................191
Standby state .................................................................................................................... 192
Redundancy parameters........................................................................................193
Enable Synchronization – ENBLSYNCCMD ..................................................................... 194
Disable Synchronization – DSBLSYNCCMD .................................................................... 194
Enable Standby – ENBLSTBYCMD .................................................................................. 194
Auto-Synchronization State – RDNAUTOSYNC ............................................................... 194
Inhibit Sync Reason – RDNINHIBITSYNC ........................................................................ 195
Initial Sync Progress – RDNSYNCPROG ......................................................................... 196
Maximum Initial Synchronization Time – RDNISTIMEMAX............................................... 196
Last Synchronization Time – SYNCTIMEBEG .................................................................. 197
Last Lost of Sync Time – SYNCTIMEEND........................................................................ 197
Redundancy Traffic ........................................................................................................... 197
Redundancy Delay ............................................................................................................ 197
Conditions that result in loss of sync ................................................................................. 197
Conditions that do not result in loss of sync ...................................................................... 198
Switchover...............................................................................................................198
Initiate Switchover – SWITCHCMD ................................................................................... 198
Max Switchover Time – RDNSOTIMEMAX....................................................................... 198
Conditions that result in switchover ................................................................................... 199
Conditions that do not result in a switchover ..................................................................... 199
Become Primary command – BECMPRICMD................................................................... 200
Redundancy history ...............................................................................................200
C300 Redundancy-related notifications...............................................................200
Redundancy Link Status – RDNLINKFAILED ................................................................... 204
OPM Status – RDNOPMSTATUS ..................................................................................... 204
On-process Migration of C300 Controller ............................................................208
‘Go-Back to Idle’ option ..................................................................................................... 208
Controller redundancy specifications..................................................................209
C300 CONTROLLER MAINTENANCE .............................................. 211