Agilent Technologies E5071C Manual page 1154

returns a value so that the VISA functions can apply it to the specified
instrument. The parameters of this function are startup information
(Defrm), the address information of the specified instrument
("GPIB0::17::INSTR" in ctrl_ext.vba), access mode (0 in ctrl_ext.vba),
timeout (0 in ctrl_ext.vba), and connection information (Equip in
ctrl_ext.vba).
Syntax
viOpen(param1, param2, param3, param4, param5)
Parameters
Parameter
Description
Data type
Parameter
Description
Data type
Syntax
Parameter
Description
Parameter
Description
Parameter
(param1)
Startup information (input)
Long integer type
(param2)
Address information of the specified instrument (input)
Character string type
"GPIB0::gpib address::INSTR"
"USB0::manufacturer ID::model code::serial
number::0::INSTR"
(ex. "USB0::2391::2312::MY12345678::0::INSTR")
"TCPIP0::IP address::inst0::INSTR"
(param3)
Access mode (Enter 0)
(param4)
Timeout (Enter 0)
(param5)
Programming
1381