To overcome the challenges and support secure communication between instruments and test stations, Keysight is providing updates to certain instruments and Keysight IO Libraries Suite. The challenges to establish a secure connection are: how to proffer the required certificates and authentication information, how to authenticate server/client mutually, and how to configure server/client compatibly, etc. The client authenticates to the server using a server-supported SASL (Simple Authentication and Security Layer) mechanism. HiSLIP r2 also enables authentication: the server (instrument) authenticates its identity by sending an X.509 certificate to the client (VISA library) when the TLS connection is established. HiSLIP r2 enables secure connections, which are achieved using the Transport Layer Security (TLS) for encryption and decryption. Keysight Secure Instrument Communication provides a secure way to control instruments using HiSLIP protocol revision 2.0 (r2). The VISA standard directly in Python (see the PyVISA-Py project for moreĭetails).Keysight Secure Instrument Communication Expert Most bus systems used by instruments which is why one can envision to implement In addition, Python can be used to directly access Python can be used to call functions from a The VISA specification has explicit bindings to Visual Basic, C, and G Limited to certain interface devices, such as the vendor’s GPIB card. Work together with arbitrary peripherical devices, although they may be Of vendors offer VISA libraries, partly with free download. Today VISA is implemented on all significant operating systems. Instrumentation systems comprising GPIB, VXI, PXI, Serial, Ethernet, and/or VISA is a standard for configuring, programming, and troubleshooting In order to ease this unfortunate situation, the Virtual Instrument SoftwareĪrchitecture (VISA) specification was defined in the middle of the 90ies. To use, you have to find libraries that support both your device and its bus There are manyĭifferent protocols, sent over many different interfaces and bus systems The programming of measurement instruments can be real pain. National Instruments, Agilent, Tektronix, (That’s the whole program really!) It works on Windows, Linux and Mac open_resource ( 'GPIB0::12::INSTR' ) > print ( inst.

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