Norma 4000 communication

[gyengeb]

Hi,

I want to create a c/c++ application for norma 4000, I am able to build the example codes in visual studio, but how can I detect the correct IP adress of the equipment.

I have already changed on the tool an IP adress.

What shall I use,in NI MAX I cold not find any equipment.

[rolfk]

The datasheet for the Fluke Norma 4000 only states that it has a Ethernet / 10 MBit/s or 100 Mbit/s interface. It says nothing about a VXI-11 or similar implementation on that port. There is no way to automatically detect a device on the Ethernet network if it doesn't implement some service announcement protocol such as Bonjour, LXI, HiSlip or VXI-11.

NI VISA can handle LXI, VXI-11 and HiSLIP (which is an extension of VXI-11). If your device does not implement that standard (properly) you will need to manually enter the IP address that the device got assigned with.

[gyengeb]

Hi,

Thank you for your answer.

With NI MAX I was able to query the IDN to Norma4000 with LAN.

But with c application I have timeout in reading.

[rolfk]

Your information is inconsistent. In your first message you say:

in NI MAX I cold not find any equipment.

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now you say:

With NI MAX I was able to query the IDN to Norma4000 with LAN.

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And finding equipment I interpret as enumerating the device automatically, which only works if the device implements one of the service announcement protocols.

Talking to the device by for instance doing an "*IDN?" query is a very different thing. Assuming you use the right resource name with correct IP address in viOpen() did you actually do a "*IDN?\r" (or maybe "*IDN?\n") in your C code? Since the communication is over TCP/IP, the device may require an actual termination character before it tries to parse the incoming command.

As to automatically enumerating your device, even if your device supports the VXI-11 protocol, that doesn't mean that NI VISA will be able to detect the device automatically. The NI-VISA driver itself doesn't implement automatic device enumeration, that's part of NI-MAX.