Experimental Physics and Industrial Control System
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Dear All,
I have a waveform record which reads consecutive values from hardware
memory (happens to be Modbus over ethernet). I then use a subArray
record to pick out individual values. However if the hardware goes
off-line (so the waveform is temporarily invalid) the subArray record
changes its INDX field to 0! When the hardware comes back on-line the
subArray record now points to the wrong location in the waveform.
Is this intended? Suggestions for avoiding this situation?
John Dobbins
Lab for Elementary Particle Physics
Cornell University
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ANJ, 02 Sep 2010 |
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