Dear Experts, We've experienced a strange CP60 Failure and the details of the system is as follow: CP60 Redundant on I/A system 6.5 with AW51E as Engineernig Station two WP51D as Operator stations One of the CP60s got the red indication and system Alarm observed that became Blinking Green after few seconds but the CP60 remained red indicated. the line printer showed the following messages in sequence 15-07-09 16:49:51 0 SYSMON = SYSMN2 03CP02 Process = PMAINT03CP02 PIOMAI 000002 hardware Fault 251550(Valve) FAILSAFE TIMOUT 15-07-09 17:52:25 0 SYSMON = SYSMN2 03CP02 Process = PMAINT03CP02 PIOMAI 000002 hardware Fault 251550(Valve) FAILSAFE TIMOUT 15-07-09 18:01:00 0 SYSMON = SYSMN2 03CP02 Fault Tolerant Exec SM_MSG -00047 Fault Tolerant Prim Module Now single. ROM Addr 00006C170EB0 15-07-09 18:01:02 0 SYSMON = SYSMN2 03CP02 Error Protocol FTXSS 000081 Error Escalation Threshold has been exceeded 00006C173E08 15-07-09 18:01:02 0 SYSMON = SYSMN2 03CP02 Error Protocol FTXSS 000081 Error Escalation Threshold has been exceeded 00006C173E08 Kindly Suggest possibile causes for such failure and How could we configure our CP in FAILSAFE mode so that it retain the last good value in case pf any such failure. thanks Kabir Ahmed G.E.P I&C Pakistan Refinery Ltd. K A B I R AHMED ________________________________ _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave