Re: [foxboro] Connecting Limitorque & Integrator 30



Stephen,

In the MOVLV blocks, we are writing directly to the device by filling the
IOM_ID and point # parameters.  In the case of the GDEV blocks, we don't
know how to do it yet. I guess we could use an AOUT or MCOUT block.  I
don't think we can use a COUT block since we must write a number to a
register to force a  relay in the device instead of a single bit.

Regards,
Douglas




"Stephen T. Woodworth" <swoodworth@xxxxxxxxxxxxxxx>@freelists.org con fecha
28/11/2001 12:50:07 PM

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Asunto:   Re: [foxboro] Connecting Limitorque & Integrator 30



Are you writing directly to the Modbus devices by filling in the IOM_ID and
point #'s in the GDEV and MOVLV blocks, or are you writing to the devices
through COUT, AOUT, or MCOUT blocks?  There are probably several
permutations you can try.

Stephen T. Woodworth
FeedForward, Inc.
1341 Canton Road, Suite H1
Marietta, GA 30066
770.426.4422
mailto:swoodworth@xxxxxxxxxxxxxxx

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx
[mailto:foxboro-bounce@xxxxxxxxxxxxx]On Behalf Of DOUGLAS NAVARRO
Sent: Wednesday, November 28, 2001 9:33 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Connecting Limitorque & Integrator 30




Does anybody have any experience connecting Limitorque's two wire valve
system (with UEC
and Six Relay Board units) via an I/A Series Integrator 30 for modbus ?

We are trying to configure an Integrator 30 to be connected to the DCS port
of a  DC100 master
station for Limitorque's two wire system. We are using the MOVLV and the
GDEV blocks to configure
valves and pumps respectively, but we have encountered a problem with
sending commands
to the SRB units whose 6 relays(K1 throuhg K6)  are commanded by the modbus
06 command
(Preset single register) instead of the 05 command (Force single coil)
which is used for UEC units.
As far as I can see the output of the MOVLV and GDEV blocks are boolen
values suited for the
05 command and not an integer value which would be required for the 06
command.

I would appreciate hearing from anyone who has tackled this situation
before.

Regards,
Douglas





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