Re: Realize that this is a Version 6.2 product and I was told there were not
many (any) "in the field"
for what it's worth.
Micro I/A has been shipping for years on a number of version of the I/A
Series.
There are enhancements to the product due in 6.2.1, but I don't know what
this comment could be referring to.
Regards,
Alex Johnson
The Foxboro Company
10707 Haddington
Houston, TX 77043
713.722.2859 (v)
713.722.2700 (sb)
713.932.0222 (f)
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
Sent: Wednesday, May 03, 2000 3:22 PM
To: Foxboro DCS Mail List
Subject: RE: Integrator 30's vs. AB Stations
A couple of other points to note with the ABstation
1. It is physically attached to the PLC-5. Therefore, although you
may engineer your software so that the box is a
"passive" interface, if there is a problem with the ABstation, your
going to have to shut down the PLC-5 to replace the
ABstation.
2. Currently, we have worked with Foxboro for approximately 2 years
on a problem that we are having with one (of 4) of
our ABstations. The problem is that the ABstation stops sending
alarm messages. So, after a while, no PLC derived alarms
are sent to the WPs! Foxboro development has been on site and claims
that they now understand the problem but we are
still waiting for a fix. We have also worked with them to develop
about three other quick fixes. We don't understand why
only one of our stations exhibits this problem but, after
identifying the problem, Foxboro has said it is a problem with
all ABstations.
3. We have since chosen the initegrator 30 for our immediate plc
communication standard. I'm not saying "don't buy one,
I'm only suggesting that you consider these issues"
One point about the micro I/A solution...
This seems like a good approach that could overcome some of the
communication limitations of the INI30. Realize that
this is a Version 6.2 product and I was told there were not many
(any) "in the field"
for what it's worth.
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