communication failure FP-1000 module with serial connection

[Martinus]

Hello,

I am trying to set up a measurement system using Fieldpoint modules connected to an FP-1000 module which should communicate with my host-computer (Windows XP SP2) via a serial port (COM2). The FP-1000 module however keeps giving the communication error: 'The device is offline. Make sure the device is connected and its power is on.' When I run the Labview (version 8.0) VI, which I made for this system, I get the error message -33811 which indicates a communication error. Ofcoarse I checked the communication error message and many other things, like the serial RS232 cable, the baudrate, the network address, the settings of the COM-port on the computer. Nothing helped in solving the problem. When I connect the FP-1000 bank to a power supply, the status light on the module flashes one time. According to the manual this indicates an incorrect network address. I however only use one FP-1000 bank having 0 as network address. This address also corresponds to the address given in the 'Measurement and Automation Explorer'. What could cause this communication error?    

Thank you in advance,

Martin

[kaustubh]

Hi!

Just find your FP 1000 in NI MAX at Ports. When you configure your FP in LabVIEW, give resource as FP@COM1 (Give your com port) and try.

Or give me code or message picture.

[TroyNCSU]

Hi,

I'm having the same problem with error -33811.  When I initially hooked up my fieldpoint bank it wouldn't work until I switched it around to a different port, but at least then it worked.  Now, whenever I try to run it I get error -33811 and my FP1000 network module never has the network LED lit anymore.  I've attached 3 images:  1 of them is a MAX screenshot showing that everything is listed, the second one is showing how thermocouple readings are still getting through(even w/ no network light on the FP1000),  and the third is the block diagram for the labview program. One thing that it might be is the fact that I'm using a serial to USB connector and then connecting to an USB port.  Under the Device manager in the Windows Control Panel, it has "Prolifi USB-to-Seriall Comm Port (COM6)" listed.  Is this perhaps the other thing that is "using the port"?  Any guidance would be appreciated because I'm kind of stumped on this one. 

Thanks,

-Troy

[TroyNCSU]

I answered my own question 🙂  Having the MAX open and the labview files running didn't work out b/c both the labview and the MAX program are trying to access the devices. 

Thanks, and this might help others as well.