Lost the remote TCP/IP connection through NOR-MAX

"" Hi, I try remotely LeCroy WaveRunner 104Xi oscilloscope through "resources VISA TCP/IP" option in Control Panel OR MAX, but the VISA session is lost (0xBFFF00A6) right after I viWrite the '* IDN?" order several times.

Here's my full configuration process:
1. install the Passport VISA LeCroyVICPPassportInstaller_1.0.8.exe , LeCroy oscilloscope

2. setting of the session to follow the instructions (as per joint, LAB_WM827.pdf)

[by the way, I'm not able to configure the session as "VCIP:'type', I only be able to configure the session asTCPIP0:: 1861:OCKET" ""]
    TCP/IP resources VISA-> Create TCP/IP new resource...-> Raw Socket
Set the IP address: (this IP address is successful to be ping by PC and this address is of course belong to the 104Xi WaveRunner oscilloscope)
Set the port number: 1861

3. then, there will be a new resource under "resources VISA TCP/IP". Select this option and 'VISA Open Session'. A dialog box will be retractable to the communication of the instrument.

4. go to the tab "viSetAttribute", the value VI_ATTR_TCP_KEEPALIVE to VI_TRUE, VI_ATTR_TMO_VALUE the value of 15000.

* NOR-MAX Version:
* Connection: The ethernet cable is used through the server (No 1 to 1 connection) of the company,

"After all this, I send '* IDN? \n"(dans l'onglet viWrite ), it returns the value 0 (which means no error occur) and return 6 counts. " So I try to read a buffer (in the viRead tab), but it send me error timeout (VI_ERROR_TMO). After that, I erase the buffer in viClear. Then, I repeat same steps, this time he (viRead) return me connection lost error (VI_ERROR_CONN_LOST).

This situation is repeated every time that I reopen it new session. In the meantime, I also doubt that the viWrite did send the command to the oscilloscope or not. The oscilloscope was no response after that I have send "ASET" (WaveRunner 104Xi order for autosetup oscilloscope) through the viWrite tab.

I am out of ideas now.

What's my configuration OR-MAX problem? or hardware problem? or a server problem?

Please advice... need help badly.

Thanks in advance.


Hi wcsoh,

Alan and LeCroy Support here...

Use the type of connection (LXI).  The problem is that when you use the connection TCP/IP (ACIP) type, you cannot configure the WaveRunner 104MXi as a resource of VISA's TCP/IP in MAX.   Note that MAX is not 'hip' to recognize any instrument type TCPIP, including extended via ACIP LeCroy.  To use LXI, go to utilities > utility configuration... and then to the 'Remote' tab, where you will find the button on the left side of the screen of config to use 'LXI '.  If you don't see this button, you will probably need to update your firmware.

With the type of connection (LXI), you can automatically find the scope through MAX, enter this amount as a VISA TCP/IP resource and configure an alias as well...  You can also point your web browser to the IP address of the bezel, and you will see a status page with information, including the name VISA always useful resource to use when you configure the scope in MAX.  (Note, however, there is no need to use MAX at all when the connections of VISA to LeCroy oscillloscopes!)

Here is a link to an application note written by me which deals with the LXI interface, including information about the configuration of MAX to show scope: http://www.lecroy.com/tm/library/AppNotes/LXI/LXI_Interfacing_AppNote.pdf

Do not hesitate to contact me for any question!

Best regards

Alan Blankman

Tags: NI Hardware

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