Recent content by LemmingRebel

Figured out how to do this. Message me if you need help.

For clarification, I am writing a UDT to a PC app I've created. The PC app receives the simple string UDT...

I am able to get the MSG command complete when the UDT is a simple string type. The calculation for the REQ_LEN is a simple one then: the length of the string (automatically calculated for you and stored as LEN), plus the 4 bytes for the LEN parameter itself. But if my UDT has more than a...

Is there an "ON CHANGE" instruction? Say, an instruction that watches a value, and goes true when that value has changed?

FYI - Got it. Sample application + sample ladder code (Logix 5000) found in TechNote #32962.

Does anyone have experience using an MSG instruction to send and receive messages by way of UDP? In the document "enet-um527_-en-p.pdf" (a google search will locate it for you) I am lead to believe that it is possible, though the document does not outline Source Element parameters. They say to...

We have an application run by a Micrologix1500 that we'd wish to modify by obtaining a barcode, then turning around and logging that barcode data to our database through RsSQL. Is this possible with existing hardware, or do we need to consider a PC-based solution instead?

Excellent links - thank you both.

I would like to use RSSQL's capabilities to query a database and then evaluate the results of that query. Are there any links, examples, etc. online that someone might point me to? THanks...