Honeywell C300 User Manual page 13

Prerequisites ............................................................................................................................ 197
Commanding a switchover ....................................................................................................... 197
7.11 Using Station displays ........................................................................198
C300 Controller Point Detail displays ...................................................................................... 198
System Status Display ............................................................................................................. 198
Event and Alarm summary displays ........................................................................................ 198
Controller Detail displays ......................................................................................................... 198
FTE Status display .................................................................................................................. 198
7.12 Viewing controller operation and status in Control Builder ................. 199
7.13 C300 operating behaviors .................................................................. 201
Time management in the C300 Controller .............................................................................. 201
Hardware Watchdog Timer ..................................................................................................... 202
Critical Task Monitor ................................................................................................................ 202
7.14 C300 Controller processing overload behavior ............................. 203
Causes of controller overloading ............................................................................................. 204
How to avoid controller overloading ........................................................................................ 204
Recovery from an overload ..................................................................................................... 205
8. C300 REDUNDANCY OPERATION .................................... 207
8.1 Description ........................................................................................... 207
8.2 Redundancy configuration restrictions ............................................. 208
C300 Controller Device Index.................................................................................................. 208
IOLINK interface considerations .............................................................................................. 208
8.3 Partner (controller) compatibility .......................................................... 208
Redundancy compatibility parameter - RDNCMPT ................................................................ 209
8.4 Synchronization states ........................................................................... 210
Standby state ........................................................................................................................... 211
8.5 Redundancy parameters ........................................................................ 212
Enable Synchronization - ENBLSYNCCMD ........................................................................... 213
Disable Synchronization - DSBLSYNCCMD ........................................................................... 213
Enable Standby - ENBLSTBYCMD ......................................................................................... 213
Auto-Synchronization State - RDNAUTOSYNC ..................................................................... 213
Inhibit Sync Reason - RDNINHIBITSYNC .............................................................................. 214
Initial Sync Progress - RDNSYNCPROG ................................................................................ 215
Maximum Initial Synchronization Time - RDNISTIMEMAX .................................................... 215
Last Synchronization Time - SYNCTIMEBEG ........................................................................ 216
Last Lost of Sync Time - SYNCTIMEEND .............................................................................. 216
Redundancy Traffic ................................................................................................................. 216
Redundancy Delay .................................................................................................................. 216
Conditions that result in loss of sync ....................................................................................... 216
R500
Conditions that do not result in loss of sync ......................................................................... 217
April 2017
Series 8 C300 Controller User's Guide
Honeywell
1
3