labview drivers for sorensen dlm power supply

[pdaks]

I am looking for a LabVIEW driver for a Sorensen DLM 150-4 power supply.  I am using ethernet to communicate with it.  Can anyone help me?

Thanks.

[smercurio_fc]

Did you check with Sorensen first? The company says they have one on their website.

[Dennis_Knutson]

The driver for that is here. Though it says that it for GPIB, since it uses VISA, if you enter the correct TCPIP resource name such as TCPIP::192.168.100.1::INSTR (replace with actual ip or hostname), it should work with little or no modification. I have no way of testing this however.

[smmarlow]

I believe these drivers will not work for the DLM series power supplies.  I have a brand new DLM 60-10 (600W), and the unit uses the SCPI command set for power supplies.  For example, the NI driver uses the command "VSET" to set the voltage.  The correct command is SOURce:VOLTage, etc.  Perhaps sorensen changed to unit to SCPI compliant, and the NI drivers need updating.

[smmarlow]

My apologies.  The DLM unit has two different com options.  My unit has the M130 LXI option, which uses SCPI.  There is another unit with the M9 com option (GPIB?).  I don't know if the newest M9G uses SCPI or not.

[Dennis_Knutson]

Sorensen probably changed the firmware to more compliant with LXI specs. It's nice that they finally adopted SCPI but it's too bad they didn't maintain backward compatability to their older models. I wonder what they are telling their customers with an installed base of the GPIB instruments that might want to buy the new model. In theory, I suppose you could use the existing driver as a starting point and replace the old commands with the SCPI ones. I only have GPIB models so I can't be of much help there. Have you checked with Sorensen to see if they have a new driver? If you do create a new driver, please post it so others can benefit.