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Topic: Serial-to-Ethernet converters such as Lantronix MSS100
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| By: Dan | Posted on: Feb 4 2009 at 05:35:48 PM | Hello,
I am new to DNCing.
My question is: " Has anyone attempted to use a pair of Serial-to-Ethernet Converters to `pipe` the serial data over an Ethernet network? "
This serial converter [b:142118848f]does [/b:142118848f]pass the Xon/Xoff flow controls as well as RTS/CTS handshake.
link:
http://www.lantronix.com/device-networking/external-device-servers/mss100.html
Please respond with any insight on wether these work well.
[b:142118848f]Situation:[/b:142118848f] I have a Fanuc OTi controller on Bridgeport CNC and the DNC-PC is on the other side of our building. I wish to use these serial converters to drip feed the CNC program over our existing Ethernet network.
-dan | |
| By: Support | Posted on: Feb 4 2009 at 09:44:20 PM | Yes - they do work and many people use them both over wired as well as wireless ethernet. The device drivers simply hide the ethernet so all the DNC software sees is the serial port as if it was a local serial port. (Having said that we do have a version of easyDnc which will `talk` directly with the box using TCP/IP rather than a virtual com port - we believe this is more efficient than virtual com port.
One thing concerns me though - you mentioned drip feeding and XonXoff flow control.
I`d guess that RTS/CTS flow control is handled directly inside the ethernet RS232 box making RST/CTS the preferred flow control method.
But some Fanucs will always use XonXoff when drip feeding and not offer any other option.
If all flow control, including xOn/xOff is handled in the box then you shouldn`t have a problem.
But if the xOnxOff control codes are simply fed back over the network to be handled by the host computer/Windows then this might be a little lethargic and you might get overflow alarms in the CNC so take it slow until you`ve proven the reliability. | |
| By: Support | Posted on: Feb 4 2009 at 10:58:22 PM | I just had a `Chat` with Debbie at Lantronix and She assures me that ALL flow control is handled inside the Lantronix box - this means that flow control between the RS232 port on the Box and the CNC will be very quick and very efficient so you should have no problem drip feeding using the Lantronix box.
If, as they say, ALL flow control is handled inside the box | |
| By: Guest Sam | Posted on: Aug 4 2009 at 05:03:01 PM | | I have a Lantronix UD1100001-01 and am trying to set it up. How do I set up EasyDNC for the TCP/IP instead of a com port? I downloaded the trial version of EasyDnc 4.1. | |
| By: Support | Posted on: Aug 4 2009 at 09:06:02 PM | Hello Sam
You need to be looking at
www.dncremo.com
Ignore version numbers of DncRemo - It's a different (larger more complex) product so they don't follow the version numbers of the standard easyDnc. | |
| By: Quinlin | Posted on: Sep 21 2009 at 11:29:49 AM | Hello Guys, I have a Vitor That i'm trying to Drip feed to Over a Network using a Wireless Lantronix Device (WBX 2100E). I can send a Program to the machince With no problems at all but i can't do the Drip feeding part Over Serial to TCP/IP,
Any ideas as to what i can do to get this right ?
Thanks.
Quinlin | |
| By: Guest | Posted on: Sep 21 2009 at 11:33:27 AM | I do get the Start and Stop Bits from the machine but it Over runns the buffer.when Trying to Drip feed, it Gets the Stop Bits from the machine to say the CNC machine Buffer is full But. it sends between 5 to 10 Char. to much before it stops and then Over runs the buffer of the CNC Machine.
Brgs
Quinlin | |
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