I am trying to get data out of a controllogix to a PC. After looking at the ethernet\ip spec, it looks like it is 'data' with an ethernet/ip/tcp header. no checksum, just ethernet\ip header, then data. If this is the case, would it be possible to send msg from the ethernet module to an open socket. I belive the message would be stripped of the ethernet/ip/tcp stuff and leave me with just the ethernet\ip stuff. I believe that this could be parsed for info.
I haven't tried this yet, but am assembling the hardware/software.
(I know this can be done with a $1500 rslinx but am looking for a cheaper, faster way)
We do have a 3rd party ocx (automationtechic???) that works great but I am looking for an alternate route.
Thanks for any help.
By the way. This controllogix by AB rocks.