AB80-11 VXI-11a Tutorial

AB80-11ICSICS ELECTRONIC Sdivision of Systems West Inc.APPLICATIONBULLETINVXI-11 TUTORIALand RPC Programming GuideINTRODUCTION VXI-11.2 deals with connecting GPIB instruments to a network though a Gateway like ICS's 8065 or Agilent's E5810A Ether-Mention the VXI-11 Specifi cation and you will get a lot of blank looks net-to-GPIB Controller. since the VXI-11 Specifi cation is not as well known as IEEE-488 VXI-11.3 deals with connecting IEEE-488.2 instruments with Eth-Standard or SCPI. A lot of engineers think that the VXI-11 Speci- ernet interfaces directly to a network. A couple of examples are fi cation deals exclusively with VXIbus Systems which is not true. ICS's 8064 Relay Interface or 8099 Modbus RTU Controller.Because of the increasing use of instruments with LAN (Ethernet) interfaces, knowledge about the VXI-11 Communication Protocol The VXI-11.2 and VXI-11.3 sub-sections are the primary focus of is becoming more important. This Application Note describes the this Application Note.specifi cation and shows the user how to use the VXI-11 protocol to control instruments. NETWORK INSTRUMENT PROTOCOLTHE VXI-11 SPECIFICATION In order to allow ASCII messages and IEEE-488.1 instrument control messages to pass over a TCP Network, the VXI-11 Specifi cation The VXI-11 Specifi cation was part of a suite of specifi cations de- created the Instrument Messages listed below in Table 1. These mes-veloped in the early 1990s when the VXIbus concept was ...