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vrf VEE and Thermotron

Question asked by VRFuser on Jun 5, 2006

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Thanks again all (Paul and Les et.al) Les is one of those people who's
brain I'd like to download (other's too, like Shawn Fessenden, Jay Nemeth-Johannes and others). Maybe they'll develop the technology one
day...:o)

I'll try TCP/IP Instrument Protocol, maybe it's a more common reference to the same thing? It's also interesting what you mention about SICL-LAN being Agilent only - I wasn't aware of that. It's so hard to keep all the protocols apart...

Reiner

-----Original Message-----
From: Les Hammer [mailto:Les.Hammer@CompleteTest.com]
Sent: Monday, June 05, 2006 3:19 PM
To: Schlieker, Reiner; 'VRF'
Subject: RE: [vrf] VEE and Thermotron

> VXI-11 is something that I read in one or more of the Agilent white
> papers
...
> I haven't spoken to the Thermotron people yet, but I'm thinking if I
mention VXI-11,
> I'll just get a "huh?".

VXI-11, also known as TCP/IP Instrument Protocol, has been around for a while.
(VEE will use either TCP/IP or SICL-LAN -- an Agilent proprietary language from the acient times.)

It's a fundamental question the I would hope the Thermotron people would know the answer to.
They either are their own proprietary protocol or VXI-11.

(PS: VXI-11 has nothing to do with VXI hardware instruments. That hardware was not VXI-11 compatable.)

~~Les Hammer

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VRFuser Jun 2, 2006 1:32 AM
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> Weird. I thought IVI was supposed to be a standard. Ah, standards. So
many to choose from...

Unless the problem is that VEE doesn't like some things in the .h file.
Such as when the .h file has an item split between 2 or more lines to make
it human readable. That might confuse the VEE parser. At least it used to.

~~ Les Hammer

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VRFuser Jun 2, 2006 1:52 AM
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> I should also mention that they have an
> IVI driver (not IVI-C or IVI-COM) which is
> meant for Lab***W. I downloaded it but it
> doesn't seem to be useable with VEE (as I
> suspected), unless I'm doing something wrong...

Weird. I thought IVI was supposed to be a standard. Ah, standards. So many
to choose from...

As far as LAN control goes I don't know about the underlying protocol, but
as I recall there's a standard involved there too. I don't remember anything
about VXI-11, but port 43 comes to mind - whois (though that could easily be
a false memory). It wouldn't be too surprising to find there's also an http
server & a telnet server built in. Does the instrument finder do anything
with it?

> don't know if VEE will talk to this controller.

Well they mention C++ via IVI. If you've already loaded the IVI driver, why
not check the COM tab of the ".NET Assembly References..." dialog and see if
you can find anything about Thermotron in there.

For what it's worth, I'd be amazed if there's no C interface available. It's
probably the same one they tout for VB. As a general rule, if C can do it
then VEE can do it.

Incidentally, thanks for the mention. Unfortunately I can't go anywhere at
the moment, but I'm sending further info for the future.
-SHAWN-

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VRFuser Jun 2, 2006 5:17 AM
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> Attached is a modified .h file for the 3800 thermotron controller.

Ah, excellent. Yep, that will get you half way there. There are three
unknowns now: ViResource, ViSession and ViBoolean. You could almost assume
int for all three, but check with the original .h to make sure. Especially
ViBoolean. If they're sticking with C++ norms, then ViBoolean will be
unsigned char and that won't fly. MS compilers can ignore that however and
use long (they don't push anything less than four bytes anyway. Don't know
about other compilers).
-SHAWN-

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shaun.harwood.1 Jun 2, 2006 5:53 AM
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> Does anyone know how to use the
> DateTime.Compare(t1,t2) function

This is a static function that compares two DateTime objects. The result is less than zero if t1 is less than t2, zero if equal or greater than zero if
t1 is greater than t2. See also member CompareTo.

Cut the ToString off the end of the default formula - you want DateTime objects, not strings.

Set t1 = System.IO.File.GetLastAccessTime("c:\ntldr");
Set t2 = System.DateTime.Now;
Set uptime = System.DateTime.op_Subtraction(t2, t1);

// (Should) always return negative.
comp1 = System.DateTime.Compare(t1, t2);

// (Should) always return positive.
comp2 = System.DateTime.Compare(t2, t1);

Should because nothing but the boot sequence touches ntldr. OTOH it is just a file, so you can read it if you want.

Avoid a file pick dialog - the default VEE file pick touches the file to make sure the selected action (reading or writing) will succeed, so the last access time is the time the object executes.
-SHAWN-

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reiner.schlieker Jun 2, 2006 2:16 PM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=US-ASCII"><META content="MSHTML 6.00.2900.2876" name=GENERATOR></HEAD><BODY><DIV>Hello all,Has anyone ever controlled or communicated with a Thermotron controller (3800 or other - used to control their environmental chambers) using VEE and the ethernet connection? I don't have much ethernet instrument experience, having only done it with an Agilent scope which is LXI compatible. As I understand it, the instrument must be VXI-11 compliant. I see no reference to this in the Thermotron manual, so I don't know if VEE will talk to this controller. It has the option of serial and GPIB as well, so I can always go that route, but ethernet would be nice if possible.Any help would be appreciated.Thanks,Reiner Schlieker Test Equipment Designer Siemens Milltronics Process Instruments Inc. Phone: (705) 740-7553 Fax: (705) 740-7692 Email: reiner.schlieker@siemens.com </DIV> --- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe please send an email to: "vrf-request@lists.it.agilent.com" with the word subscribe in the message body. To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com". To send messages to this mailing list, email "vrf@agilent.com". If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com". Search the "unofficial vrf archive" at "www.oswegosw.com/vrf_archive/".</BODY></HTML>
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VRFuser Jun 2, 2006 2:16 PM
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Hello all,

Has anyone ever controlled or communicated with a Thermotron controller (3800 or other - used to control their environmental chambers) using VEE and the ethernet connection?Â I don't have much ethernet instrument experience, having only done it with an Agilent scope which is LXI compatible.Â As I understand it, the instrument must be VXI-11 compliant.Â I see no reference to this in the Thermotron manual, so I don't know if VEE will talk to this controller.Â It has the option of serial and GPIB as well, so I can always go that route, but ethernet would be nice if possible.

Any help would be appreciated.

Thanks,

Reiner Schlieker
Test Equipment Designer
Siemens Milltronics Process Instruments Inc.
Phone: (705) 740-7553
Fax:Â Â (705) 740-7692
Email: reiner.schlieker@siemens.com

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reiner.schlieker Jun 2, 2006 2:24 PM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=US-ASCII"><META content="MSHTML 6.00.2900.2876" name=GENERATOR></HEAD><BODY><DIV dir=ltr align=left>I should also mention that they have an IVI driver (not IVI-C or IVI-COM) which is meant for Lab***W. I downloaded it but it doesn't seem to be useable with VEE (as I suspected), unless I'm doing something wrong...</DIV><DIV dir=ltr align=left> </DIV><DIV dir=ltr align=left>To quote the site:</DIV><DIV dir=ltr align=left> </DIV><DIV dir=ltr align=left>Thermotron offers IVI drivers containing dynamic link libraries (DLL's) for controlling instruments. These instrument drivers are available to support our customers who use LabVIEW®, LabWindows® or Visual C++®. Information on using IVI drivers can be obtained from National Instruments at <A href="http://www.ni.com/ivi/">http://www.ni.com/ivi/</A></DIV><DIV dir=ltr align=left> </DIV><DIV dir=ltr align=left>The only way I see to use these is to import the .dll, which I tried, but of course the .h file won't work. Perhaps with a major rewrite the .h file might work, but I suspect it would need a .dll wrapper around it, so I'd rather just stick to Direct I/O.</DIV><DIV dir=ltr align=left> </DIV><DIV dir=ltr align=left> </DIV><DIV dir=ltr align=left>Reiner</DIV> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><HR tabIndex=-1>From: Schlieker, Reiner Sent: Friday, June 02, 2006 5:16 PM To: VRF Subject: [vrf] VEE and Thermotron </DIV><DIV></DIV><DIV>Hello all,Has anyone ever controlled or communicated with a Thermotron controller (3800 or other - used to control their environmental chambers) using VEE and the ethernet connection? I don't have much ethernet instrument experience, having only done it with an Agilent scope which is LXI compatible. As I understand it, the instrument must be VXI-11 compliant. I see no reference to this in the Thermotron manual, so I don't know if VEE will talk to this controller. It has the option of serial and GPIB as well, so I can always go that route, but ethernet would be nice if possible.Any help would be appreciated.Thanks,Reiner Schlieker Test Equipment Designer Siemens Milltronics Process Instruments Inc. Phone: (705) 740-7553 Fax: (705) 740-7692 Email: reiner.schlieker@siemens.com </DIV> --- You are currently subscribed to vrf as: reiner.schlieker@siemens.com To subscribe please send an email to: "vrf-request@lists.it.agilent.com" with the word subscribe in the message body. To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com". To send messages to this mailing list, email "vrf@agilent.com". If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com". Search the "unofficial vrf archive" at "www.oswegosw.com/vrf_archive/". --- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe please send an email to: "vrf-request@lists.it.agilent.com" with the word subscribe in the message body. To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com". To send messages to this mailing list, email "vrf@agilent.com". If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com". Search the "unofficial vrf archive" at "www.oswegosw.com/vrf_archive/".</BODY></HTML>
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VRFuser Jun 2, 2006 2:25 PM
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I should also mention that they have an IVI driver (not IVI-C or IVI-COM) which is meant for Lab***W.Â I downloaded it but it doesn't seem to be useable with VEE (as I suspected), unless I'm doing something wrong...
Â
To quote the site:
Â
Thermotron offers IVI drivers containing dynamic link libraries (DLL's) for controlling instruments. These instrument drivers are available to support our customers who use LabVIEWÂ®, LabWindowsÂ® or Visual C++Â®. Information on using IVI drivers can be obtained from National Instruments at http://www.ni.com/ivi/
Â
The only way I see to use these is to import the .dll, which I tried, but of course the .h file won't work.Â Perhaps with a major rewrite the .h file might work, but I suspect it would need a .dll wrapper around it, so I'd rather just stick to Direct I/O.
Â
Â
Reiner

Â _____ Â

From: Schlieker, Reiner
Sent: Friday, June 02, 2006 5:16 PM
To: VRF
Subject: [vrf] VEE and Thermotron

Hello all,

Has anyone ever controlled or communicated with a Thermotron controller (3800 or other - used to control their environmental chambers) using VEE and the ethernet connection?Â I don't have much ethernet instrument experience, having only done it with an Agilent scope which is LXI compatible.Â As I understand it, the instrument must be VXI-11 compliant.Â I see no reference to this in the Thermotron manual, so I don't know if VEE will talk to this controller.Â It has the option of serial and GPIB as well, so I can always go that route, but ethernet would be nice if possible.

Any help would be appreciated.

Thanks,

Reiner Schlieker
Test Equipment Designer
Siemens Milltronics Process Instruments Inc.
Phone: (705) 740-7553
Fax:Â Â (705) 740-7692
Email: reiner.schlieker@siemens.com

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VRFuser Jun 2, 2006 2:52 PM
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> I should also mention that they have an IVI driver (not IVI-C or
> IVI-COM) which is meant for Lab***W. I downloaded it but it doesn't
> seem to be useable with VEE (as I suspected), unless I'm doing
> something wrong...

Weird. I thought IVI was supposed to be a standard. Ah, standards. So many to choose from...

As far as LAN control goes I don't know about the underlying protocol, but as I recall there's a standard involved there too. I don't remember anything about VXI-11, but port 43 comes to mind - whois (though that could easily be a false memory). It wouldn't be too surprising to find there's also an http server & a telnet server built in. Does the instrument finder do anything with it?

> don't know if VEE will talk to this controller.

Well they mention C++ via IVI. If you've already loaded the IVI driver, why not check the COM tab of the ".NET Assembly References..." dialog and see if you can find anything about Thermotron in there.

For what it's worth, I'd be amazed if there's no C interface available. It's probably the same one they tout for VB. As a general rule, if C can do it then VEE can do it.

Incidentally, thanks for the mention. Unfortunately I can't go anywhere at the moment, but I'm sending further info for the future.
-SHAWN-

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VRFuser Jun 2, 2006 3:39 PM
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> Weird. I thought IVI was supposed to be a standard. Ah, standards. So many to choose from...

Unless the problem is that VEE doesn't like some things in the .h file.
Such as when the .h file has an item split between 2 or more lines to make it human readable. That might confuse the VEE parser. At least it used to.

~~ Les Hammer

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VRFuser Jun 2, 2006 5:54 PM
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> Attached is a modified .h file for the 3800 thermotron controller.

Ah, excellent. Yep, that will get you half way there. There are three unknowns now: ViResource, ViSession and ViBoolean. You could almost assume int for all three, but check with the original .h to make sure. Especially ViBoolean. If they're sticking with C++ norms, then ViBoolean will be unsigned char and that won't fly. MS compilers can ignore that however and use long (they don't push anything less than four bytes anyway. Don't know about other compilers).
-SHAWN-

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VRFuser Jun 2, 2006 6:18 PM
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> Attached is a modified .h file for the 3800 thermotron controller.

Ah, excellent. Yep, that will get you half way there. There are three unknowns now: ViResource, ViSession and ViBoolean. You could almost assume int for all three, but check with the original .h to make sure. Especially ViBoolean. If they're sticking with C++ norms, then ViBoolean will be unsigned char and that won't fly. MS compilers can ignore that however and use long (they don't push anything less than four bytes anyway. Don't know about other compilers).
-SHAWN-

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VRFuser Jun 4, 2006 7:28 PM
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<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=gb2312"><meta name=Generator content="Microsoft Word 11 (filtered medium)"><style></style></head><body lang=EN-US link=blue vlink=purple><div class=Section1><o:p> </o:p>Hi all,<o:p></o:p><o:p> </o:p>I am using a data acquisition card (DAQ)sanalog input to connect to a vibration sensor in order I am able to measure thevibration of a motor. I am using different frequency to drive the motor inorder to measure its response at different frequencies. So I would like to viewits response in frequency domain continuously. How can I do that?<o:p></o:p><o:p> </o:p>The function of the DAQ card is basically samplingand then I will send commands to read the data back into VEE. The data in thiscase will be referenced to be in time domain. How can I change it to be infrequency domain?<o:p></o:p><o:p> </o:p>I have tried the following methods.<o:p></o:p><o:p> </o:p>1) I tried FFT formula but the frequency informationdoes not seem to be correct. If I were to use a chart (without FFT done on thedata) and I use the chart with the data going through FFT, the amplitude showsthe same for Y axis. For x-axis, the former chart will be reference to time,while the latter chart will always have the peak at the beginning of the data. <o:p></o:p><o:p> </o:p>2) I do not seem to quite get it when I usethe Build Waveform function and then the Spectrum Graph. There is noinbuilt FFT function for this DAQ.<o:p></o:p><o:p> </o:p>Any ideas how I can achieve my aim?<o:p></o:p><o:p> </o:p>Thanks.<o:p></o:p>Regards,<spanstyle='font-family:Arial;color:blue'><o:p></o:p>Eng Chye, Neo (Ù²<spanstyle='font-size:10.0pt;font-family:Arial;color:blue'>)<fontcolor=blue face=Arial><o:p></o:p><o:p> </o:p></div> --- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe please send an email to: "vrf-request@lists.it.agilent.com" with the word subscribe in the message body. To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com". To send messages to this mailing list, email "vrf@agilent.com". If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com". Search the "unofficial vrf archive" at "www.oswegosw.com/vrf_archive/".</BODY></html>
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VRFuser Jun 4, 2006 10:18 PM
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> VXI-11 is something that I read in one or more of the Agilent white papers
...
> I haven't spoken to the Thermotron people yet, but I'm thinking if I
mention VXI-11,
> I'll just get a "huh?".

VXI-11, also known as TCP/IP Instrument Protocol, has been around for a
while.
(VEE will use either TCP/IP or SICL-LAN -- an Agilent proprietary language
from the acient times.)

It's a fundamental question the I would hope the Thermotron people would
know the answer to.
They either are their own proprietary protocol or VXI-11.

(PS: VXI-11 has nothing to do with VXI hardware instruments. That hardware
was not VXI-11 compatable.)

~~Les Hammer

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reiner.schlieker Jun 5, 2006 6:45 AM
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So, Shaun H comes to me this morning and asks "have you looked at the VEE
reflector yet?" (we're colleages, if you haven't figured that out!) Wow,
great responses. Thanks to everybody. Unfortunately, like Shaun said, I
don't have a Thermotron yet in order to test it - I was trying to figure out
whether this was the one to buy...

Reiner

-----Original Message-----
From: Shaun Harwood [mailto:shaun.harwood@sympatico.ca]
Sent: Sunday, June 04, 2006 10:28 PM
To: VRF
Subject: RE: [vrf] VEE and Thermotron

Nice work

Attached has been altered - still unable to try without a unit to play with
but it shouldn't be too far off the mark now.

Best regards

Shaun H

-----Original Message-----
From: Shawn Fessenden [mailto:shawnfess@comcast.net]
Sent: Saturday, June 03, 2006 11:24 PM
To: VRF
Subject: FW: [vrf] VEE and Thermotron

Sure thing Les (the following is brought to you by Les Hammer).

We now know a ViObject is a long and a ViSession is a long. Good call on
ViBoolean aye? And the equivalent is? short! Reiner, this is basically all
the info necessary to get the IVI driver working - without going through the
IVI VEE thing.

-SHAWN-

-----Original Message-----
From: leshammer@frii.com [mailto:leshammer@frii.com]
Sent: Saturday, June 03, 2006 8:11 PM
To: Shawn Fessenden
Subject: RE: [vrf] VEE and Thermotron

Hi Shawn,

Could you please forward this on to vrf. I'm on my other computer and vrf
doesn't know the alternate email name.

> There are three unknowns now:
> ViResource, ViSession and ViBoolean.

>From visatype.h:

typedef unsigned long       ViUInt32;
typedef unsigned short      ViUInt16;
typedef ViUInt32            ViObject;
typedef ViObject            ViSession;
typedef ViUInt16            ViBoolean;

I don't see ViResource, but:

#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) ||
defined(__NT__)) && !defined(_NI_mswin16_) #define _VI_FAR #elif
defined(_CVI_) && defined(_NI_i386_) #define _VI_FAR ##elif
(defined(_WINDOWS) || defined(_Windows)) && !defined(_NI_mswin16_)
#define _VI_FAR             _far
#elif (defined(hpux) || defined(__hpux)) && (defined(__cplusplus) ||
defined(__cplusplus__))
#define _VI_FAR
#else
#define _VI_FAR
#endif

#define _VI_PTR             _VI_FAR *
typedef char                ViChar;
typedef ViChar      _VI_PTR ViPChar;
typedef ViPChar             ViString;
typedef ViString            ViRsrc;

~~Les Hammer

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reiner.schlieker Jun 5, 2006 7:00 AM
Mark Correct
Correct Answer
Yeah, I thought it was a standard too, but I guess there's different
flavours. So I take it there's no point in trying to import it as a COM
assembly (I didn't see it there after I installed it) - rather import the
.dll.

VXI-11 is something that I read in one or more of the Agilent white papers
on setting up LAN based instruments. I'm just trying to figure out whether
VEE can talk to anything that's connected to ethernet, or just certain
instruments (that support VXI-11, I guess) Would it show up under Agilent
IO controls? And if not, I wonder if To/From Socket would work? I have a
manual that lists ascii based commands to control the chamber.

I haven't spoken to the Thermotron people yet, but I'm thinking if I mention
VXI-11, I'll just get a "huh?". I suspect that I will order this chamber
with the serial/GPIB option so that I know that I can talk to it, but I'll
try the ethernet option first.

Thanks for your help.

Reiner

-----Original Message-----
From: Shawn Fessenden [mailto:shawnfess@comcast.net]
Sent: Friday, June 02, 2006 5:52 PM
To: Schlieker, Reiner; 'VRF'
Subject: RE: [vrf] VEE and Thermotron

> I should also mention that they have an
> IVI driver (not IVI-C or IVI-COM) which is
> meant for Lab***W. I downloaded it but it
> doesn't seem to be useable with VEE (as I
> suspected), unless I'm doing something wrong...

Weird. I thought IVI was supposed to be a standard. Ah, standards. So many
to choose from...

As far as LAN control goes I don't know about the underlying protocol, but
as I recall there's a standard involved there too. I don't remember anything
about VXI-11, but port 43 comes to mind - whois (though that could easily be
a false memory). It wouldn't be too surprising to find there's also an http
server & a telnet server built in. Does the instrument finder do anything
with it?

> don't know if VEE will talk to this controller.

Well they mention C++ via IVI. If you've already loaded the IVI driver, why
not check the COM tab of the ".NET Assembly References..." dialog and see if
you can find anything about Thermotron in there.

For what it's worth, I'd be amazed if there's no C interface available. It's
probably the same one they tout for VB. As a general rule, if C can do it
then VEE can do it.

Incidentally, thanks for the mention. Unfortunately I can't go anywhere at
the moment, but I'm sending further info for the future.
-SHAWN-

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VRFuser Jun 5, 2006 11:27 AM
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Correct Answer
So, Shaun H comes to me this morning and asks "have you looked at the VEE reflector yet?" (we're colleages, if you haven't figured that out!) Wow, great responses. Thanks to everybody. Unfortunately, like Shaun said, I don't have a Thermotron yet in order to test it - I was trying to figure out whether this was the one to buy...

Reiner

-----Original Message-----
From: Shaun Harwood [mailto:shaun.harwood@sympatico.ca]
Sent: Sunday, June 04, 2006 10:28 PM
To: VRF
Subject: RE: [vrf] VEE and Thermotron

Nice work

Attached has been altered - still unable to try without a unit to play with but it shouldn't be too far off the mark now.

Best regards

Shaun H

-----Original Message-----
From: Shawn Fessenden [mailto:shawnfess@comcast.net]
Sent: Saturday, June 03, 2006 11:24 PM
To: VRF
Subject: FW: [vrf] VEE and Thermotron

Sure thing Les (the following is brought to you by Les Hammer).

We now know a ViObject is a long and a ViSession is a long. Good call on ViBoolean aye? And the equivalent is? short! Reiner, this is basically all the info necessary to get the IVI driver working - without going through the IVI VEE thing.

-SHAWN-

-----Original Message-----
From: leshammer@frii.com [mailto:leshammer@frii.com]
Sent: Saturday, June 03, 2006 8:11 PM
To: Shawn Fessenden
Subject: RE: [vrf] VEE and Thermotron

Hi Shawn,

Could you please forward this on to vrf. I'm on my other computer and vrf doesn't know the alternate email name.

> There are three unknowns now:
> ViResource, ViSession and ViBoolean.

From visatype.h:

typedef unsigned long       ViUInt32;
typedef unsigned short      ViUInt16;
typedef ViUInt32            ViObject;
typedef ViObject            ViSession;
typedef ViUInt16            ViBoolean;

I don't see ViResource, but:

#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) ||
defined(__NT__)) && !defined(_NI_mswin16_) #define _VI_FAR #elif
defined(_CVI_) && defined(_NI_i386_) #define _VI_FAR ##elif
(defined(_WINDOWS) || defined(_Windows)) && !defined(_NI_mswin16_)
#define _VI_FAR             _far
#elif (defined(hpux) || defined(__hpux)) && (defined(__cplusplus) ||
defined(__cplusplus__))
#define _VI_FAR
#else
#define _VI_FAR
#endif

#define _VI_PTR             _VI_FAR *
typedef char                ViChar;
typedef ViChar      _VI_PTR ViPChar;
typedef ViPChar             ViString;
typedef ViString            ViRsrc;

~~Les Hammer

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VRFuser Jun 5, 2006 11:28 AM
Mark Correct
Correct Answer
Yeah, I thought it was a standard too, but I guess there's different flavours. So I take it there's no point in trying to import it as a COM assembly (I didn't see it there after I installed it) - rather import the .dll.

VXI-11 is something that I read in one or more of the Agilent white papers on setting up LAN based instruments. I'm just trying to figure out whether VEE can talk to anything that's connected to ethernet, or just certain instruments (that support VXI-11, I guess) Would it show up under Agilent IO controls? And if not, I wonder if To/From Socket would work? I have a manual that lists ascii based commands to control the chamber.

I haven't spoken to the Thermotron people yet, but I'm thinking if I mention VXI-11, I'll just get a "huh?". I suspect that I will order this chamber with the serial/GPIB option so that I know that I can talk to it, but I'll try the ethernet option first.

Thanks for your help.

Reiner

-----Original Message-----
From: Shawn Fessenden [mailto:shawnfess@comcast.net]
Sent: Friday, June 02, 2006 5:52 PM
To: Schlieker, Reiner; 'VRF'
Subject: RE: [vrf] VEE and Thermotron

> I should also mention that they have an IVI driver (not IVI-C or
> IVI-COM) which is meant for Lab***W. I downloaded it but it doesn't
> seem to be useable with VEE (as I suspected), unless I'm doing
> something wrong...

Weird. I thought IVI was supposed to be a standard. Ah, standards. So many to choose from...

As far as LAN control goes I don't know about the underlying protocol, but as I recall there's a standard involved there too. I don't remember anything about VXI-11, but port 43 comes to mind - whois (though that could easily be a false memory). It wouldn't be too surprising to find there's also an http server & a telnet server built in. Does the instrument finder do anything with it?

> don't know if VEE will talk to this controller.

Well they mention C++ via IVI. If you've already loaded the IVI driver, why not check the COM tab of the ".NET Assembly References..." dialog and see if you can find anything about Thermotron in there.

For what it's worth, I'd be amazed if there's no C interface available. It's probably the same one they tout for VB. As a general rule, if C can do it then VEE can do it.

Incidentally, thanks for the mention. Unfortunately I can't go anywhere at the moment, but I'm sending further info for the future.
-SHAWN-

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VRFuser Jun 5, 2006 12:19 PM
Mark Correct
Correct Answer
> VXI-11 is something that I read in one or more of the Agilent white
> papers
...
> I haven't spoken to the Thermotron people yet, but I'm thinking if I
mention VXI-11,
> I'll just get a "huh?".

VXI-11, also known as TCP/IP Instrument Protocol, has been around for a while.
(VEE will use either TCP/IP or SICL-LAN -- an Agilent proprietary language from the acient times.)

It's a fundamental question the I would hope the Thermotron people would know the answer to.
They either are their own proprietary protocol or VXI-11.

(PS: VXI-11 has nothing to do with VXI hardware instruments. That hardware was not VXI-11 compatable.)

~~Les Hammer

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reiner.schlieker Jun 5, 2006 12:57 PM
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Thanks again all (Paul and Les et.al) Les is one of those people who's
brain I'd like to download (other's too, like Shawn Fessenden, Jay
Nemeth-Johannes and others). Maybe they'll develop the technology one
day...:o)

I'll try TCP/IP Instrument Protocol, maybe it's a more common reference to
the same thing? It's also interesting what you mention about SICL-LAN being
Agilent only - I wasn't aware of that. It's so hard to keep all the
protocols apart...

Reiner

-----Original Message-----
From: Les Hammer [mailto:Les.Hammer@CompleteTest.com]
Sent: Monday, June 05, 2006 3:19 PM
To: Schlieker, Reiner; 'VRF'
Subject: RE: [vrf] VEE and Thermotron

> VXI-11 is something that I read in one or more of the Agilent white papers
...
> I haven't spoken to the Thermotron people yet, but I'm thinking if I
mention VXI-11,
> I'll just get a "huh?".

VXI-11, also known as TCP/IP Instrument Protocol, has been around for a
while.
(VEE will use either TCP/IP or SICL-LAN -- an Agilent proprietary language
from the acient times.)

It's a fundamental question the I would hope the Thermotron people would
know the answer to.
They either are their own proprietary protocol or VXI-11.

(PS: VXI-11 has nothing to do with VXI hardware instruments. That hardware
was not VXI-11 compatable.)

~~Les Hammer

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