Good evening!
I am having some (= a lot 😞 ) of troubles in understanding how to communicate with a frequency counter (HP 53131A).
As I said in the title, the GPIB port of the instrument is connected to the GPIB of GPIB-232CT-A and the serial port is connected to a RS232-USB converter that finally enters in usb port of my pc. The GPIB-serial converter is set to work in S mode.
I tried to use the driver for the instruments but there is no way I can have a response even a simple *IDN?, getting always a VISA timeout error.
As VISA resource name I give the com name associated to the usb and I checked the configuration (baud date, parity, etc.), that corresponds to the one on the 232CT-A.
Is the any other info or parameter I should check to make my pc communicate with the instrument?