| Instrument Control Toolbox | |
Indicate the resource name for a VISA instrument
Description
RsrcName indicates the resource name for a VISA instrument. When you create a VISA object, RsrcName is automatically assigned the value specified in the visa function.
The resource name is a symbolic name for the instrument. The resource name you supply to visa depends on the interface and has the format shown below. The components in brackets are optional and have a default value of 0 except port_number, which has a default value of 1.
If you change the BoardIndex, PrimaryAddress, SecondaryAddress, ChassisIndex, LogicalAddress, or Port property values, RsrcName is automatically updated to reflect these changes.
Characteristics
| Usage |
VISA-serial, VISA-GPIB, VISA-VXI, VISA-GPIB-VXI |
| Read only |
Always |
| Data type |
String |
Values
The value is defined when the instrument object is created.
Example
To create a VISA-GPIB object associated with a GPIB controller with board index 0 and an instrument with primary address 1, you supply the following resource name to the visa function.
vg = visa('ni','GPIB0::1::INSTR');
To create a VISA-VXI object associated with a VXI chassis with index 0 and an instrument with logical address 130, you supply the following resource name to the visa function.
vv = visa('agilent','VXI0::130::INSTR');
To create a VISA-GPIB-VXI object associated with a VXI chassis with index 0 and an instrument with logical address 80, you supply the following resource name to the visa function.
vgv = visa('agilent','GPIB-VXI0::80::INSTR');
To create a VISA-serial object associated with the COM1 serial port, you supply the following resource name to the visa function.
vs = visa('ni','ASRL1::INSTR');
Functions
Properties
BoardIndex, ChassisIndex, LogicalAddress, Port, PrimaryAddress, SecondaryAddress
| | RequestToSend | SecondaryAddress | |