Experimental Physics and Industrial Control System
Dear All,
I have just installed EPICS software (3.13.5) and built the example
application. The iocCore runs and I can communicate with it via the
console. The client, caExample, runs but is unable to communicate with the
iocCore.
On the host in response to "caExample aiExample" I get the message:
CA.Client.Diagnostic..............................................
Message: "User specified timeout on IO operation expired"
Severity: "Warning" Context: "ca_pend_io failure"
Source File: ../caExample.c Line Number: 20
..................................................................
CA.Client.Diagnostic..............................................
Message: "The request was ignored because the specified channel is
disconnected"
Severity: "Error" Context: "ca_get failure"
Source File: ../caExample.c Line Number: 21
The iocCore is on a protected subnet and I am hypothesizing that this may
be why the client is unable to communicate with it. I tried to follow
instructions in the Channel Access Reference Manual, section 1.3.2,
Configuring CA for Multiple Subnets. However when I add the line
EPICS_CA_ADDR_LIST DBF_STRING 128.84.44.84 192.168.213.148
to resource.def ( used by iocInt ) I get an error during iocInit:
Starting iocInit
filename="../iocInit.c" line number=599
Missing resource data type field for resource=128.84.44.84 in file=resource.def
value = 0 = 0x0
Any advice would be appreciated.
John Dobbins
Cornell University - Lab of Nuclear Studies
tele: 607-255-5740
fax: 607-254-4552
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