I've cooked up a little Modbus IP Master module, and it works like a champ as a stand-alone. After I import it into my program though, the Busy bit configured in the Modbus IP Config FB never turns on. It doesn't matter what bit I use. I cannot change the bit from Visilogic by set and reset, so something is governing it. Data-wise, it seems to be working just fine. After several tests, the only thing I can think of is the scan time. This is a very large program and it shows a 6 mS ladder s