Experimental Physics and
Industrial Control System

"Pearson, Matthew R." <[email protected]> · Mon, 24 Mar 2014 10:03:32 -0400

Hi Ganesh,

> 
> I tried using CALC Record. Its 4 INP fields gets some particular value from four different  IOC and calculate some new value,By interpreting this value Sequencer come to know about the connected IOC. 
> The problem is that , in case of some disconnection of  IOC , its INP fields picking old values. And CALC record gives same value in each case. 
> Is this right approach for many IOCs? How to make  INP fields, to give different value in case of disconnection of some IOC. 
> 

One way might be to look at the STAT and/or SEVR fields of the record that is linked to the other IOC. If STAT is not in NO_ALARM state, then there is a problem (probably disconnected channel).

Cheers,
Matt

> 
> ___________________________________________________ 
> I am using 
> Epics base-3.14.12.3
> Sequencer seq-2.1.16
> OS: Linux Fedora 19  64bit
> 
> I have following settings. 
> export EPICS_ROOT=/home/ganesh/epics 
> export EPICS_HOST_ARCH=linux-x86_64 
> export EPICS_BASE=$EPICS_ROOT/base-3.14.12.3 
> export EPICS_EXTENSIONS=$EPICS_ROOT/extensions 
> export EPICS_CA_ADDR_LIST="192.168.8.2 192.168.8.3 192.168.8.4 192.168.8.5" 
> export MOTIF_LIB=/usr/lib64/ 
> export SEQ=$EPICS_ROOT/extensions/seq-2.1.16 
> export PATH=/sbin:/bin:/usr/sbin:/usr/bin:$file:$EPICS_ROOT/base-3.14.12.3/bin/linux-x86_64:/bin/linux-x86_64 
> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$EPICS_BASE/lib/$EPICS_HOST_ARCH:$EPICS_EXTENSIONS/lib/$EPICS_HOST_ARCH 
> __________________________________________________________________ 
> 
> Best Regards 
> Ganesh 
> 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System