I'm trying to control a Keithley 181 nanovoltmeter via a NI GPIB (AT-GPIB/TNT).
If I scan for instruments in Measurement and Automation, none of the devices
connected are found. However, if I go into Interactive control, use IBDEV with the meter turned off, then turn the meter on I can set into remote and it works (as long as I alternate IBRD and IBWRT). But I can't find a way of getting it under control in any other way so I can't use it in LabView.
Anyone have any ideas. I've always had problems with 181s using a variety