Re: [foxboro] Modbus slaves

Unfortunately someone in the Houston office configured one for us with 18 
devices.  However, it does work.

-----Original Message-----
From: Johnson, Alex (Foxboro) [mailto:ajohnson@xxxxxxxxxxx]
Sent: Tuesday, October 15, 2002 5:09 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Modbus slaves



It is in the manual, but...

The Modbus Gateway (and the newer DI I'm pretty sure) can address 8 =
PLCs and
no more.

The CmP-15 is about the same capability as a CP-10. A CP-10 could =
crunch
about 150 Blocks/second.

The bigger limitation than blocks tended to be I/O bandwidth. It could
handle about 128 bytes/second (64 registers per second).


Hope this helps.


Regards,

Alex Johnson
Invensys
10707 Haddington
Houston, TX 77063
713.722.2859 (office)
713.722.2700 (switchboard)
713.932.0222 (fax)
ajohnson@xxxxxxxxxxx <mailto:ajohnson@xxxxxxxxxxx>=20
For the latest information on ArchestrA, go to
www.invensys.com/Archestra.html
<http://www.invensys.com/divisions/Archestra.html> .


        -----Original Message-----
        From:   Sebastian Roman [SMTP:set115@xxxxxxxxxxx]
        Sent:   Tuesday, October 15, 2002 4:27 PM
        To:     foxboro@xxxxxxxxxxxxx
        Subject:        [foxboro] Modbus slaves


        Hi,


        Somebody knows how many slaves can be attached to a MODG (COM15 ?
And how=20
        many compounds can be executed by this station ?

        Our system is V6.3

        Best regards,





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