Host Engineering Forum

General Category => Do-more CPUs and Do-more Designer Software => Topic started by: Henryp on May 08, 2014, 03:27:42 PM

Title: TCP or UDP communications
Post by: Henryp on May 08, 2014, 03:27:42 PM

In a Do More PLC are Modbus and Direct Logic Ethernet communications TCP or UDP?

Thanks

Title: Re: TCP or UDP communications
Post by: Controls Guy on May 08, 2014, 04:47:45 PM

Modbus is TCP on any platform by definition I think, whereas DirectSoft comms can be whichever you set up.

Title: Re: TCP or UDP communications
Post by: BobO on May 09, 2014, 02:00:20 PM

Quote from: Henryp on May 08, 2014, 03:27:42 PM

In a Do More PLC are Modbus and Direct Logic Ethernet communications TCP or UDP?

Modbus/TCP is by definition TCP. There is a UDP spec, but we haven't implemented it.