Re: [foxboro] More questions on the evolution from UNIX to Windows

"WPs (any OS) cannot access the ICC on an AW70."

Not out of the box, but I got it to work over both X and VNC.  X of course 
gives you single-window access (i.e., not taking over the entire machine), 
but it was slow for some reason -- maybe because it was when I had it in a 
test-bed setup, and we were going over the nodebus.  VNC takes over the 
machine by default, but it can also be set up for single-app/single-window 
mode.  We don't use X for remote access any more, since the casters on the 
captain's chair work well (the AW70 now sits next to the AW51 we normally 
use to do configuration).  We still use VNC to get to the AW70 desktop 
from one remote location, however.


As was mentioned, you could use RDP to get to it -- clients exist for 
Solaris as well as the built-in Windows one -- but I've never tried.


"The intent under Windows was for people to move from ICC to IACC."


From what I've seen, I would still use ICC if I had a v8 system.  IACC's 
features do not outweigh its drawbacks in my mind.  Maybe (hopefully) IEE 
will be better.  But then again, I looked at a Rockwell ControlLogix 
presentation yesterday...the PLC is growing up fast :)


Corey Clingo
BASF Corporation






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Re: [foxboro] More questions on the evolution from UNIX to Windows





Re: My understanding ...

The intent under Windows was for people to move from ICC to IACC. IACC
supports remote configuration of clients from any PC on the control
network or 2nd Ethernet PC if you load the IACC Client software.

If you stick with the ICC, you are limited to configuration using the
host AW only. It is possible to use Remote Desktop to do configuration
remotely using the ICC assuming that you don't have an operator using
the AW.



Re: Do the WP70s have access to the AW70's control configurator; like
UNIX?

WPs (any OS) cannot access the ICC on an AW70. =




Re: My understanding from Foxboro is that any standard Windows
workstation in our office can remotely log into the AW to configure
blocks, but only one at a time; correct? =


If you use ICC, this is correct.

If you use IACC, this is incorrect.

I'm not covering IEE because I know you have Nodebus equipment and it
does not yet support that equipment. However, it is similar to IACC.  =




Re: How is this setup/enabled?
Using the ICC, you would use Remote Desktop. On the AW70, you would
enable it from My Computer>Properties>Remote.

On the remote PC, you use
Start>Programs>Accessories>Communications>Remote Desktop Connection.

More or less. :)

If IACC is used, you simply use the IACC Client.


Re: Can I assume that during one of these sessions, the normal
operator/engineering functions are not affected (a remote login session
is transparent to the local AW70 user; just like UNIX)?
Using ICC, the answer is no. Remote Desktop takes over the AW70.

Using IACC, the answer is yes.


Re: Can we not purchase the same Dell workstations (nothing special?)
directly from Dell and have the Foxboro IA Series software installed and
supported by their Service organization; this obviously excludes
hardware issues.  What is your experience?  What are the risks?

No.

Setting aside commercial and licensing issues, there are technical
issues.

Basically, the I/A Series software remains extremely machine dependent
and Dell varies them in unexpected ways from run to run. We contract
with them to ensure that we get the same machines for a period of time. =


One area of particular sensitivity is the Ethernet adapter and how it
has to work for our network redundancy to work.


Re: What is your experience?
We have to verify each Dell model with each change and adjust the I/A
Series software to deal with the differences.


Re: What are the risks?
It won't work especially in the event of a network failure.



Regards,

Alex Johnson
Invensys Systems, Inc.
10900 Equity Drive
Houston, TX 77041
713.329.8472 (voice)
713.329.1700 (fax)
713.329.1600 (switchboard)
alex.johnson@xxxxxxxxxxxxxxxx




 
 
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