Re: [foxboro] Sequence Block Goes to Manual

Hi Alex,

Can you send me a copy ?

Thanks in advanced,



>From: "Johnson, Alex (Foxboro)" <ajohnson@xxxxxxxxxxx>
>Reply-To: foxboro@xxxxxxxxxxxxx
>To: foxboro@xxxxxxxxxxxxx
>Subject: Re: [foxboro] Sequence Block Goes to Manual
>Date: Wed, 31 Mar 2004 12:23:42 -0500
>
>You need to add an exception handler to your sequence code.
>
>I have a write-up that - among other things - describes the issues involved
>in using DMCMD to run a program. I'll send it to you off list.
>
>If others want it - it hasn't changed since the last time this came up -
>send me a note off-list. I won't fill on-list requests.
>
>Regards,
>
>Alex Johnson
>Invensys Systems, Inc.
>10707 Haddington
>Houston, TX 77043
>713.722.2859 (office)
>713.722.2700 (switchboard)
>713.932.0222 (fax)
>ajohnson@xxxxxxxxxxx
>For the latest information on ArchestrA, go to
>http://www.invensys.com/divisions/Archestra.html.
>
>
>-----Original Message-----
>From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
>Behalf Of Ray J Chouinard
>Sent: Wednesday, March 31, 2004 10:28 AM
>To: foxboro@xxxxxxxxxxxxx
>Subject: [foxboro] Sequence Block Goes to Manual
>
>I have an IND sequence block that requests our AW (32AW01 in this case) to
>run a script called "control_stk".
>:32AW01DMCMD := "dmcmd" script /usr/applic/control_stk";
>
>If the AW is down, the sequence block goes to MANUAL.   Is there a good
>way to prevent this?  In my case, I would rather the sequence block ignore
>the fact that the AW is down, and continue to process like normal.  Can I
>force the IND block to stay in AUTO through an address on the MA
>parameter?
>
>Ray Chouinard
>Process Control
>MeadWestvaco Corp
>Escanaba, MI, USA
>
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