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000314_news@columbia.edu _Mon Feb 19 13:46:22 2001.msg
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From: "dls2" <dlshearer@home.com>
Subject: Re: interfacing to FANUC CNC controller
Message-ID: <IAdk6.289013$w35.47255953@news1.rdc1.nj.home.com>
Date: Mon, 19 Feb 2001 18:27:52 GMT
Organization: Excite@Home - The Leader in Broadband http://home.com/faster
To: kermit.misc@columbia.edu
"Frank da Cruz" <fdc@watsun.cc.columbia.edu> wrote:
> dls2 <dlshearer@home.com> wrote:
> : The FANUC CNC controller gets put into a state where it is
> : ready to accept data. The assumption is that this controller
> : is attempting to read from tape, so the mode is one of LSK
> : (Label SKip). The controller will read any data sent to it, but
> : will not actually regard any of what is sent to it as data, until
> : after the first percent sign (%) is sent to it. Upon receiving
> : this first percent sign (%), the controller switches to an Input
> : mode, wherein everything received is considered to be data,
> : and duely processed as such, until such time as a second
> : percent sign (%) appears, signifying an end to the data input,
> : and switching the controller out of its Input mode.
> :
> Yes, but the question is, how does the controller signal you
> that it is ready to receive data? What form does the dialog,
> if any, take? From what you've said, it appears that maybe it
> it sends a kind of "prompt" framed by ^R and ^T. So maybe
> Kermit needs to wait for a ^T before sending the next record.
> So try this:
>
> set xmit prompt 20 ; 20 is the ASCII (decimal) code for Ctrl-T.
The dialogs for sending and receiving take the following forms:
http://www.amada.net/technote/tno001.htm
The default transmit prompt is set to 10, which is what I left it at,
when previously testing. Since the dialogs do not seem to give
any indication of prompting being necessary, I believe, though I
have not yet checked, for sure, that the prompt should be set to
0. If Kermit expects prompting, and does not receive prompting,
will a text transfer, using XMIT, time out, after sending the first line
of text to be transmitted?
What is the reciprocal to the TRANSMIT/XMIT commands which
will allow for the generation of prompts, upon receiving text data?
appreciatively,
-- Derrick Shearer