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vrf VEE w/LAN instruments...

Question asked by VRFuser on Jun 9, 2005

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Shawn Fessenden wrote the following on 09/06/2005 19:30:
>>sheesh, what will they invent next...
>
>
> InterChoke - Guaranteed to protect you from any possible network danger. Of
> course it makes your connection totally useless, but...

Here's some ideas on how to secure your PC...

<http://www.minstrel.org.uk/papers/secure-your-web-server.txt>

--
Graeme Hilton
R&D Engineer

Schlumberger Sensa
Gamma House, Enterprise Road,
Southampton, SO16 7NS
Tel: 023 8076 5596
Fax: 023 8076 5501

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VRFuser Jun 8, 2005 3:57 PM
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VRFuser Jun 8, 2005 6:03 PM
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antti.suhonen Jun 8, 2005 6:58 PM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:w = "urn:schemas-microsoft-com:office:word" xmlns:st1 = "urn:schemas-microsoft-com:office:smarttags"><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META content="MSHTML 6.00.2800.1458" name=GENERATOR><o:SmartTagType name="PersonName" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><STYLE>@page Section1 {size: 595.3pt 841.9pt; margin: 72.0pt 90.0pt 72.0pt 90.0pt; }P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Times New Roman"}LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Times New Roman"}DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Times New Roman"}A:link { COLOR: blue; TEXT-DECORATION: underline}SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline}A:visited { COLOR: purple; TEXT-DECORATION: underline}SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline}SPAN.EmailStyle17 { COLOR: windowtext; FONT-FAMILY: Arial; mso-style-type: personal-compose}DIV.Section1 { page: Section1}</STYLE></HEAD><BODY lang=EN-GB vLink=purple link=blue><DIV>Put an alphanumeric display on the data O/P and its OK!!!!!</DIV><BLOCKQUOTE> <DIV class=OutlookMessageHeader dir=ltr align=left>-----Original Message----- From: David Watling [mailto:watling@IceraSemi.com] Sent: 09 June 2005 09:41 am To: VRF Subject: [vrf] Bug in Vee 7.03 </DIV> <DIV class=Section1> Hi all,<o:p></o:p> Has anyone else noticed this bug in Vee 7.0x? The ‘get variable’ box actually fires its output pin, causing the junction box to fire, even though the variable is not defined! Interestingly, the fired output pin does not animate. This does not happen in Vee 6.01<o:p></o:p> <o:p> </o:p> Regards<o:p></o:p> <o:p> </o:p> <st1:PersonName w:st="on">David Watling</st1:PersonName><o:p></o:p></DIV> --- You are currently subscribed to vrf as: ie@irisys.co.uk To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com". 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". </BLOCKQUOTE> --- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com". 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".</BODY></HTML>
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VRFuser Jun 8, 2005 7:22 PM
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Please don't send 0.5Mb attachments to the list. Some people connect via
dial-up or GPRS and pay per minute of connect time.

It only takes a moment to paste the BMP into paint and tell it to save it as a
jpeg, gif or png format. Then attach the image (don't cut 'n' paste it) to your
email. Jpegs, gifs and pngs can be an order of magnitude smaller than the
equivalent bitmap.

As for your connectivity problem... The first error sounds like the E5810
doesn't have a GPIB bus with the logical unit 7. Have you checked the E5810's
GPIB settings for a way to change the logical unit (not the address)?

The second might be related to your firewall (if you are running one, or using
windows XP). Try turning it off to see if it fixes the problem.

Alternatively, try the good old-fashioned trick of turning everything off
(including the PC and network switches), having a cup of (coffee|tea) and then
turning everything back on again. Unfortunately this method has worked on
countless occasions for me!!

--
Graeme Hilton
R&D Engineer

Schlumberger Sensa

Antti.Suhonen@elektrobit.com wrote the following on 09/06/2005 07:58:
> Hi all,
>
> I'm having a hair pullin' time again...facing a curious problem with
> connectivity.
>
> I have a second network adapter in my laptop and would like to use it to
> control LAN instruments, with possibility to use E5810 for legacy ones
> while maintaining my connection to corporate network. At instrument
> stack I have a 34980A and N6700B at the moment. Fixed ip's all, they are
> not on public network but connected via 100M switch to each other. All
> intruments including the E5810 respond to ping, their web configuration
> pages are loadable just fine. The IP's are sequential and subnets are
> checked and re-checked. Should be fine. But, when I try to use them
> I/O's the following happens.
>
> Running I/O libs suite: 14.0.7202.1, Agilent VISA as primary.
>
> 1) I cannot connect to E5810A at all. What I've tried so far is to add
> an interface in connection expert, use a fixed ip (no DNS) and test
> connection. CE says:'The host or IP address was not found' and 'There
> was a communication failure'. In VEE, (tried w/6.2, 7.03 and 7.5), add
> an instrument e.g. test, use real address, e.g. 709 and type in the
> gateway as it says in E5810A display. Create DIO box, try to *IDN the
> instrument, and get an error saying:
>
> What's strange, at our corporate network I'm able to use remote GPIB's
> just fine; type in the gateway correctly and off I went...Is it
> something with this second network adapter? I've configured it to use
> TCP/IP only, fixed IP
>
> 2) Same thing with 34980A and N6700B. Web config for both say VISA TCPIP
> connection string is e.g 'TCPIP0::172.30.1.66::INSTR'. That does NOT
> work in either connection expert nor VEE. But,
> 'TCPIP0::172.30.1.66::5025::SOCKET' however works.
>
> Eh? Plain stupidity? Or has the IM e.g. overtuned my firewall settings?
>
> BR,
> -Antti

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arti2000 Jun 8, 2005 9:44 PM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE>Message</TITLE><META http-equiv=Content-Type content="text/html; charset=iso-8859-1"><META content="MSHTML 6.00.2900.2180" name=GENERATOR><STYLE></STYLE></HEAD><BODY bgColor=#ffffff><DIV>401 kb BMP for my GPRS connect = -0.6$, thank.</DIV> --- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com". 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".</BODY></HTML>
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antti.suhonen Jun 8, 2005 10:05 PM
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Hi all,

Sent that one via dial-up, 'on location' right now...My cancel reflex was a tad too slow. My apologies.

E5810 has logical unit at 7. Address is 21. GPIB interface name is gpib0. It's web config finds instruments and talks to them just fine. I cannot find it in connection expert (saying 'The interface could not be opened') nor can use it as gateway from VEE, as you can see from my .5M attachment. I've used remote before, without a single problem.

At VEE side, address being 'TCPIP0::172.30.1.66::INSTR' doesn't work, but 'TCPIP0::172.30.1.66::5025::SOCKET' works for VEE 7.03 and connection expert. Just tested with 7.5, and with it, both address syntaxes work (???). I/O suite does not find any native LAN instruments either.

Cannot use E5810A at all as I should be able to; reckon just should fill in at instr mgr the address, e.g. 709 when E5810's web config says GPIB logical unit is 7 and power supply's address is 9. The gateway should be of 5810's IP address, right?

Tried already with firewalls disabled, no joy. I'm not connected to corporate network, the 'primary' network adapter has 'its media disconnected'. Do I need to add another LAN interface in connection expert? Anything I could poke at TCP/IP settings?

BR,
-Antti

-----Original Message-----
From: Graeme Hilton [mailto:GHilton@slb.com]
Sent: 9. keskuuta 2005 12:22
To: VRF
Subject: Re: [vrf] VEE w/LAN instruments...

Please don't send 0.5Mb attachments to the list. Some people connect via
dial-up or GPRS and pay per minute of connect time.

It only takes a moment to paste the BMP into paint and tell it to save it as a
jpeg, gif or png format. Then attach the image (don't cut 'n' paste it) to your
email. Jpegs, gifs and pngs can be an order of magnitude smaller than the
equivalent bitmap.

As for your connectivity problem... The first error sounds like the E5810
doesn't have a GPIB bus with the logical unit 7. Have you checked the E5810's
GPIB settings for a way to change the logical unit (not the address)?

The second might be related to your firewall (if you are running one, or using
windows XP). Try turning it off to see if it fixes the problem.

Alternatively, try the good old-fashioned trick of turning everything off
(including the PC and network switches), having a cup of (coffee|tea) and then
turning everything back on again. Unfortunately this method has worked on
countless occasions for me!!

--
Graeme Hilton
R&D Engineer

Schlumberger Sensa

Antti.Suhonen@elektrobit.com wrote the following on 09/06/2005 07:58:
> Hi all,
>
> I'm having a hair pullin' time again...facing a curious problem with
> connectivity.
>
> I have a second network adapter in my laptop and would like to use it to
> control LAN instruments, with possibility to use E5810 for legacy ones
> while maintaining my connection to corporate network. At instrument
> stack I have a 34980A and N6700B at the moment. Fixed ip's all, they are
> not on public network but connected via 100M switch to each other. All
> intruments including the E5810 respond to ping, their web configuration
> pages are loadable just fine. The IP's are sequential and subnets are
> checked and re-checked. Should be fine. But, when I try to use them
> I/O's the following happens.
>
> Running I/O libs suite: 14.0.7202.1, Agilent VISA as primary.
>
> 1) I cannot connect to E5810A at all. What I've tried so far is to add
> an interface in connection expert, use a fixed ip (no DNS) and test
> connection. CE says:'The host or IP address was not found' and 'There
> was a communication failure'. In VEE, (tried w/6.2, 7.03 and 7.5), add
> an instrument e.g. test, use real address, e.g. 709 and type in the
> gateway as it says in E5810A display. Create DIO box, try to *IDN the
> instrument, and get an error saying:
>
> What's strange, at our corporate network I'm able to use remote GPIB's
> just fine; type in the gateway correctly and off I went...Is it
> something with this second network adapter? I've configured it to use
> TCP/IP only, fixed IP
>
> 2) Same thing with 34980A and N6700B. Web config for both say VISA TCPIP
> connection string is e.g 'TCPIP0::172.30.1.66::INSTR'. That does NOT
> work in either connection expert nor VEE. But,
> 'TCPIP0::172.30.1.66::5025::SOCKET' however works.
>
> Eh? Plain stupidity? Or has the IM e.g. overtuned my firewall settings?
>
> BR,
> -Antti

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VRFuser Jun 8, 2005 10:30 PM
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How about this?

There are at least two things you need to do to make this work.
First, you needs to declare you variables in a Excel or Text file format
and reading it and dynamically create at the beginning of the Library.
All the variable have to be in a container. This container can contain
mixing of variable types ( text, num, record, array ).

Secondly,
You need to redesign your function methodology a little. All functions
or User Object must have a Data_In pin and a Data_out pin.

By passing the variable container to each function and out to each
function. You can get the variables or updates the variable as needed
from one function to the other.

"This is like a data stream thru your library". You never have to use
SET VARIABLE or GET VARIABLE. Therefore, this is not global.

I do this all the time when coding. I hardly use and set or get
variable command in my codes. This will avoid a lot of headache when
trying to find
Duplicate variables in your code.

Hope that help.

Han

-----Original Message-----
From: Shawn Fessenden [mailto:shawn@testech-ltd.com]
Sent: Thursday, June 09, 2005 9:21 AM
To: VRF
Subject: RE: [vrf] Dynamic creation of local variables?

> Is there a way to make a dynamically
> created variable local to a context or
> library and not global?

Not that I know of - if anybody else knows I'd be interested too.

However, I can think of something else that's almost as good: declare a
Variant local. In that case you can store anything you want in it, even
arrays of Variant. And of course each array element could be a Variant
array containing two Variant elements: a name and a value.

On the other hand you could go the object route too, though that would
take a bit more thought. Or dynamic IL (which can be done, though I have
yet to master this technique).
-SHAWN-

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antti.suhonen Jun 9, 2005 1:33 AM
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Hi,

Tried, with only my 'second' local area connection enabled, didn't have any impact on behaviour.

Browsed around firewall logs and it seems that even firewall service down, at least according to log, it blocks traffic. Have to discuss with the IM fellas about it; they have disbled 'user intervention' from rules...

Thanks for all the replies.

BR,
-Antti

-----Original Message-----
From: Shawn Fessenden [mailto:shawn@testech-ltd.com]
Sent: 9. keskuuta 2005 14:58
To: VRF
Subject: RE: [vrf] VEE w/LAN instruments...

> I'm not connected to corporate network,
> the 'primary' network adapter has 'its
> media disconnected'.

Try disabling this network adapter and see if that causes different behavior.
-SHAWN-

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Please note: This e-mail may contain privileged and confidential
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is strictly prohibited. If you have received this e-mail by
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message and subsequently delete it from your system.

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unauthorized amendment, tampering and viruses. We only send and
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antti.suhonen Jun 9, 2005 6:07 AM
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Hi all,

Yes, was amazed too that outgoing traffic was also blocked...sheesh, what will they invent next...

It wasn't the win firewall but another one. Furthermore, it wasn't the firewall's fault but IM's configuration's...have to take a chat with them, the option for 'trusted network adapter' was disabled. You all know how funny it is to notice something like this when you are at customers's site.

Persnickety, eh?

BTW, the router is just fine, did 'er job very well. Ran out of ideas how to cope along...

...Les? Some way to at least irritate 'them'?

BR,
-Antti

-----Original Message-----
From: Shawn Fessenden [mailto:shawn@testech-ltd.com]
Sent: 9. keskuuta 2005 17:04
To: VRF
Subject: RE: [vrf] VEE w/LAN instruments...

> Tried, with only my 'second' local area
> connection enabled, didn't have any impact
> on behaviour.

Well that shoots that idea.

> Have to discuss with the IM fellas about it;

Well in general outgoing is ok. It's incoming packets that get blocked (unless a connection was originated from within - it works for TCP but not UDP IOW). I don't know how Windows firewall works. These software firewalls can be quite persnickety about allowing outgoing communication also.

If you can't get anywhere with your folks here's a couple more thoughts: If there's a router between you and the instrument that could be a problem. Then again you probably already thought of that. Last thought: Ask Les Hammer. I'm out of ideas!
-SHAWN-

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