RSSQL, RSLinx, ControlLogix5xxx series PLC

I plan to have a setup where RSSql reads datapoints from a PLC via RSLinx and attempts to insert them into the database. If the database successfully inserts the row then I'd like to continue operation; however, if RSSql fails to insert the row (postgresql issues a REJECT on the tuple) I'd like to issue a command to the PLC to stop operation. Do I need RSView in order to issue this command or can RSSql combined with RSLinx issue a command to the PLC to stop operation. Can RSSql even recognize that the insert failed? How does RSSQL issue that command to the PLC?

Thank you,
David Ziman
 

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