RS232 Comms Error Indication

Hi all, new to the site so please forgive me for any question that seems obvious or child’s play Basically the problem I have is that sometimes I loose communication between my FieldPoint FP-1000 and LabView. When I say I loose comms, the Network and Access LED on the FP are still flashing away but all the values on the screen go to zero. It is not a set time when it will do this, it is random and ive only had it once where the values came back briefly then went again Ive checked the port using 'Hyperterminal' as described in the NI help section and the port appears OK. Also all Baud rates have been checked Does anybody know what the FP-1000 does if it has a comms error or does it even have that error code available to display? Its just strange that the port is ok and the network and access LED's appear to still be transmitting and the DAQ on LabView is still receiving messages so to me the FP seems ok?
Ive got a programme called Portmon on Cd which ive been advised to use to check the status of the port when it goes down, unless you have any sugegstions before I try it? Many thanks in advance, any ideas or suggestions are welcome and greatly appreciated Regards Mitch

Hi Mitch,
Please can you test the comms connection with some of the example programs shipped with LabVIEW. The ones I am thinking of are located in the LabVIEW Example Finder (Open LabVIEW goto Help >> Find Examples)
From the Example Finder go to Hardware I/O >> FieldPoint >> Getting Started >> Analog Input.vi
This will let you quickly and easily test the comms on the FieldPoint. It will also show you how to use the FP Read vi.
Regards
JamesC
NIUK and Ireland
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>
>
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"Joseph Weinstein" <[email protected]> wrote in message
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Regards
Nithya

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Dan

Isn't it also true that in a stretched DAG with even numbered nodes, the PAM needs to be in the same site as the active DAG node? If the connection between both nodes goes down, and the PAM is in the "passive" site, the primary node will
dismount the databases since it can't check with the PAM to make sure its safe for it to be up.
In a even-numbered node stretched DAG, the PAM changes to the DR/passive site everytime a failover occurs, but doesn't automatically switch back when you reactivate the primary node.

LCDS commit error from arraycollection

Hi all,
I am attempting to hook Flex up to the LCDS engine installed
with CF8. I can get the ds.fill() method to populate an
ArrayCollection just fine, pump the data out in a DataGrid and
shows perfectly. However, when I update a record in the datagrid I
get an error indicating that "Error during update: The OLDBEAN
argument passed to the update function is not of type" and then it
says my CFC type.
I changed to code to set autoCommit to false and update one
entrry via code then manually call commit, and this works fine,
although I did have to cast the single record to my data type (it
was a generic Object). Setting it back and debugging shows that all
of the records in my ArrayCollection are typed as generic Object's
not as my defined data type.
My question is: how do I get the ds.fill() method to return
the correctly typed objects (I am using the CF8 wizard-generated
CRUD arguments)
OR
How can I programatically convert the contents of the
ArrayCollection to the required type "on-the-fly" before calling
ds.commit()?
Hoping somebody can help, this is driving me nuts!
Just as a final thought, does this indicate a bug in the CF
CRUD generation wizard or am I just doing it wrong?
Cheers,
Owen West
HNE Health
[email protected]

Which the information provide it's hard to troubleshoot because there's no Oracle related information.
What's your Oracle version? do you have enough space on rollback segment tablespace or undo tablespace (9i and above)
Any error in your database's alert log file?

RS232 Comms Error Indication

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