The properties in this table are listed alphabetically by short name.
Short Property Name and Access Privilege | Long Property Name and Data Type | Data Range and Default | Description | Classes |
---|---|---|---|---|
Address State,
Read-Only Global |
![]() |
Range: (0) Unaddressed (1) Talker (2) Listener | This property shows whether the specified GPIB interface is currently addressed to talk (1) or listen (2), or is not addressed (0). | GPIB BoardInterface, GPIB Servant |
Allow DMA,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: N/A | This property specifies whether I/O accesses should attempt to use DMA (TRUE) or Programmed I/O (FALSE). In some implementations, this property may have global effects even though it is documented to be a local property. | Instr, GPIB Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI/VME RBD Instr, VXI/GPIB-VXI RBD Instr, PXI Instr, Serial Instr, VXI/GPIB-VXI/VME MemAcc, VXI Servant, GPIB BoardInterface, GPIB Servant |
ASRL End In,
Read/Write Local |
![]() |
Range: (0) End None (1) End Last Bit (2) End Termchar Default: (2) | This property specifies the method used to terminate read operations. If the value is (2) End Termchar, then the value of the property TermChar En is ignored. | Instr, Serial Instr |
ASRL End Out,
Read/Write Local |
![]() |
Range: (0) End None (1) End Last Bit (2) End Termchar (3) End Break Default: (0) | This property specifies the method used to terminate write operations. | Instr, Serial Instr |
ATN State,
Read-Only Global |
![]() |
Range: (-1) Unknown (0) Unasserted (1) Asserted | This property returns the current state of the GPIB ATN interface line. | GPIB BoardInterface |
BAR0 Base,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless. | Instr, PXI Instr |
BAR0 Size,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be safely determined, the value will be 0xFFFFFFFF. | Instr, PXI Instr |
BAR0 Type,
Read-Only Global |
![]() |
Range: VI_PXI_ADDR_NONE(0) VI_PXI_ADDR_MEM(1) VI_PXI_ADDR_IO(2) Default: N/A | This property specifies what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value will be VI_PXI_ADDR_NONE(0). | Instr, PXI Instr |
BAR1 Base,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless. | Instr, PXI Instr |
BAR1 Size,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be safely determined, the value will be 0xFFFFFFFF. | Instr, PXI Instr |
BAR1 Type,
Read-Only Global |
![]() |
Range: VI_PXI_ADDR_NONE(0) VI_PXI_ADDR_MEM(1) VI_PXI_ADDR_IO(2) Default: N/A | This property specifies what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value will be VI_PXI_ADDR_NONE(0). | Instr, PXI Instr |
BAR2 Base,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless. | Instr, PXI Instr |
BAR2 Size,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be safely determined, the value will be 0xFFFFFFFF. | Instr, PXI Instr |
BAR2 Type,
Read-Only Global |
![]() |
Range: VI_PXI_ADDR_NONE(0) VI_PXI_ADDR_MEM(1) VI_PXI_ADDR_IO(2) Default: N/A | This property specifies what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value will be VI_PXI_ADDR_NONE(0). | Instr, PXI Instr |
BAR3 Base,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless. | Instr, PXI Instr |
BAR3 Size,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be safely determined, the value will be 0xFFFFFFFF. | Instr, PXI Instr |
BAR3 Type,
Read-Only Global |
![]() |
Range: VI_PXI_ADDR_NONE(0) VI_PXI_ADDR_MEM(1) VI_PXI_ADDR_IO(2) Default: N/A | This property specifies what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value will be VI_PXI_ADDR_NONE(0). | Instr, PXI Instr |
BAR4 Base,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless. | Instr, PXI Instr |
BAR4 Size,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be safely determined, the value will be 0xFFFFFFFF. | Instr, PXI Instr |
BAR4 Type,
Read-Only Global |
![]() |
Range: VI_PXI_ADDR_NONE(0) VI_PXI_ADDR_MEM(1) VI_PXI_ADDR_IO(2) Default: N/A | This property specifies what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value will be VI_PXI_ADDR_NONE(0). | Instr, PXI Instr |
BAR5 Base,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless. | Instr, PXI Instr |
BAR5 Size,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be safely determined, the value will be 0xFFFFFFFF. | Instr, PXI Instr |
BAR5 Type,
Read-Only Global |
![]() |
Range: VI_PXI_ADDR_NONE(0) VI_PXI_ADDR_MEM(1) VI_PXI_ADDR_IO(2) Default: N/A | This property specifies what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value will be VI_PXI_ADDR_NONE(0). | Instr, PXI Instr |
Baud,
Read/Write Global |
![]() |
Range: 0 to FFFFFFFFh Default: 9600 | This property specifies the baud rate of the given communications port. | Instr, Serial Instr |
Bytes at Port,
Read-Only Global |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property specifies the number of bytes currently available at the serial port used by this session. | Instr, Serial Instr |
CIC State,
Read-Only Global |
![]() |
Range: TRUE FALSE Default: N/A | This property shows whether the specified GPIB interface is currently CIC (Controller In Charge). | GPIB BoardInterface |
Cmdr LA,
Read-Only Global |
![]() |
Range: 0 to 255, (-1) Unknown Default: N/A | This property value is the logical address of the commander of the VXI device. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
CTS State,
Read-Only Global |
![]() |
Range: (1) Asserted (0) Unasserted (-1) Unknown Default: N/A | This property shows the current state of the Clear To Send (CTS) input signal. | Instr, Serial Instr |
Data Bits,
Read/Write Global |
![]() |
Range: 5 to 8 Default: 8 | This property specifies the number of data bits contained in each frame. | Instr, Serial Instr |
DCD State, Read-Only Global | ![]() |
Range: (1) Asserted (0) Unasserted (-1) Unknown Default: N/A | This property shows the current state of the Data Carrier Detect (DCD) input signal. This is often used by modems to indicate the detection of a carrier (modem) on the phone line. Also known as 'Receive Line Signal Detect (RLSD). | Instr, Serial Instr |
Dest Access Priv,
Read/Write Local |
![]() |
Range: (0) DATA PRIV (1) DATA NPRIV (2) PROG PRIV (3) PROG NPRIV (4) BLCK PRIV (5) BLCK NPRIV (6) D64 PRIV (7) D64 NPRIV Default: (0) | This property specifies the address modifier to be used in high-level access operations, such as viOutXX() and viMoveOutXX(), when writing to the destination. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Dest Byte Order,
Read/Write Local |
![]() |
Range: (0) BIG ENDIAN (1) LITTLE ENDIAN Default: (0) | This property specifies the byte order to be used in high-level access operations, such as viOutXX() and viMoveOutXX(), when writing to the destination. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Dest Increment,
Read/Write Local |
![]() |
Range: 0 to 1 Default: 1 | This property specifies the number of elements by which to increment the destination address on block move operations. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Device Number,
Read-Only Global |
![]() |
Range: 0 to 31 Default: N/A | This property specifies the device number of the PXI device used by the given session. | Instr, PXI Instr |
Device STB,
Read/Write Global |
![]() |
Range: 0 to FFh Default: N/A | This property specifies the 488-style status byte of the local controller or device associated with this session. If this property is written and bit 6 (40h) is set, this device or controller will assert a service request (SRQ) on the interface. | VXI Servant, GPIB BoardInterface, GPIB Servant |
DSR State,
Read-Only Global |
![]() |
Range: (1) Asserted (0) Unasserted (-1) Unknown Default: N/A | This property shows the current state of the Data Set Ready (DSR) input signal. | Instr, Serial Instr |
DTR State,
Read/Write Global |
![]() |
Range: (1) Asserted (0) Unasserted (-1) Unknown Default: N/A | This property is used to manually assert or unassert the Data Terminal Ready (DTR) output signal or query the current state of the signal. | Instr, Serial Instr |
Event Type,
Read-Only Local |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property is the unique logical identifier for the event type of the specified event. | Generic Event, Service Request Event, Trigger Event, VXI Signal Event, VXI/VME Interrupt Event |
FDC Chnl,
Read/Write Local |
![]() |
Range: 0 to 7 Default: N/A | This property specifies which FDC channel will be used to transfer data buffers. | Instr, VXI/GPIB-VXI MBD Instr |
FDC Mode,
Read/Write Local |
![]() |
Range: (1) FDC NORMAL (2) FDC STREAM Default: (1) | This property specifies whether FDC transfers will use normal or streaming mode. | Instr, VXI/GPIB-VXI MBD Instr |
FDC Use Pair,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: FALSE | This property specifies whether transfers will use a pair of FDC channels. If not set, only one FDC channel will be used. | Instr, VXI/GPIB-VXI MBD Instr |
File Append En,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: FALSE | This property specifies whether VISA Read To File will overwrite (truncate) or append when opening a file. | GPIB Instr, GPIB INTFC, Serial Instr, TCP/IP Instr, GPIB/VXI Instr, VXI Instr, VXI Servant, GPIB Servant, GPIB/VXI Servant, TCP/IP Socket |
Flow Cntrl,
Read/Write Global |
![]() |
Range: (0) Flow None (1) Flow XON XOFF (2) Flow RTS CTS (4) Flow DTR DSR Default: (0) | This property specifies the flow control method used for both transmitting and receiving data. This attribute can specify multiple flow control mechanisms by bit-ORing multiple values together. However, certain values or combinations of values may not be supported by all serial ports and/or operating systems. | Instr, Serial Instr |
Function Number,
Read-Only Global |
![]() |
Range: 0 to 7 Default: 0 | This property specifies the function number of the PXI device. For most devices this will be 0, but a multifunction device may have a function number up to 7. The meaning of a function number other than 0 is device-specific. | Instr, PXI Instr |
HS488 Cbl Len,
Read/Write Global |
![]() |
Range: VI_GPIB_HS488_NIMPL(-1) VI_GPIB_HS488_DISABLED (0) 1-15 Default: N/A | This property specifies the total number of meters (1-15) of GPIB cable used in the specified GPIB interface. The value 0 means that HS488 is disabled, and -1 means HS488 is not implemented. | GPIB BoardInterface, GPIB Servant |
Immediate Serv,
Read-Only Global |
![]() |
Range: TRUE FALSE Default: N/A | This property value reflects whether the VXI device is an immediate servant of the local controller. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Impl Version,
Read-Only Global |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property is the version that uniquely identifies each of the different revisions or implementations. This property is defined by the individual manufacturer and increments with each new revision. | Generic Event, GPIB Instr, Instr, PXI Instr, Resource Manager, Serial Instr, Service Request Event, Trigger Event, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr, VXI Signal Event, VXI/VME Interrupt Event |
Intf Inst Name,
Read-Only Global |
![]() |
Range: N/A Default: N/A | Human-readable text describing the given interface. | GPIB Instr, Instr, PXI Instr, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Intf Num,
Read-Only Global |
![]() |
Range: 0h to FFFFh Default: 0 | This property value specifies the board number for the given interface. | GPIB Instr, Instr, PXI Instr, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Intf Parent Num,
Read-Only Global |
![]() |
Range: 0 to FFFFh Default: 0 | This property value specifies the board number of the parent device. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Intf Type,
Read-Only Global |
![]() |
Range: (1) GPIB (2) VXI (3) GPIB-VXI (4) ASRL (5) PXI (6) TCP/IP Default: N/A | This property value specifies the interface type of the given session. | GPIB Instr, Instr, PXI Instr, Serial Instr, TCPIP Instr, TCPIP Socket, VXI Backplane, VXI Servant, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Intr Stat ID,
Read-Only Local |
![]() |
Range: 0 to FFFFFFFFh Default: N/A | This property value is the 32-bit status/ID retrieved during the IACK cycle. This is valid for the VXI/VME Interrupt Event only. | Generic Event, VXI/VME Interrupt Event |
IO Prot,
Read/Write Local |
![]() |
Range: GPIB: (1) NORMAL (3) HS488 VXI GPIB-VXI: (1) NORMAL (2) FDC Serial: (1) NORMAL (4) ASRL488 Default: (1) | This property specifies which protocol to use. In VXI, you can choose normal word serial or fast data channel. In GPIB, you can choose normal or high-speed HS488 transfers. In serial, you can choose normal transfers or 488-defined strings. | GPIB Instr, Instr, Serial Instr, TCPIP Instr, TCPIP Socket, VXI Servant, GPIB Servant, VXI/GPIB-VXI MBD Instr |
Mainframe LA,
Read-Only Global |
![]() |
Range: 0 to 255, (-1) UNKNOWN LA Default: N/A | This property value is the lowest logical address in the mainframe in which the device resides. | Instr, VXI Backplane, GPIB-VXI Backplane, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Manf Id,
Read-Only Global |
![]() |
Range: 0h to FFFh Default: N/A | This property value corresponds to the ID of the manufacturer that created the device. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Manf Name,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This string property is the manufacturer's name. The value of this property should be used for display purposes only and not for programmatic decisions because the value can be different between VISA implementations and/or revisions. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI/VME RBD Instr, VXI/GPIB-VXI RBD Instr, PXI Instr |
Mem Base,
Read-Only Global |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property value is the base address of the device in VXI memory space. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Mem Size,
Read-Only Global |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property value is the size of memory requested by the device in VXI memory space. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Mem Space,
Read-Only Global |
![]() |
Range: (1) A16 (2) A24 (3) A32 Default: (1) | This property value is the VXIbus address space used by the device. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Model Code,
Read-Only Global |
![]() |
Range: 0h to FFFFh Default: N/A | This property value is the device model code assigned by the manufacturer. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Model Name,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This string property is the model name of the device. The value of this property should be used for display purposes only and not for programmatic decisions, as the value can be different between VISA implementations and/or revisions. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI/VME RBD Instr, VXI/GPIB-VXI RBD Instr, PXI Instr |
NDAC State
Read-Only Global |
![]() |
Range: (-1) Unknown (0) Unasserted (1) Asserted | This property returns the current state of the GPIB NDAC interface line. | GPIB BoardInterface |
Parity,
Read/Write Global |
![]() |
Range: (0) Parity None (1) Parity Odd (2) Parity Even (3) Parity Mark (4) Parity Space Default: (0) | This property specifies the parity used with every frame that is transmitted or received. | Instr, Serial Instr |
Primary Addr,
Read-Only Global |
![]() |
Range: 0 to 30 Default: N/A | This property value is the primary address of the GPIB device used by the given session. | GPIB Instr, Instr, GPIB BoardInterface, GPIB Servant, GPIB-VXI Backplane, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Queue Len, GPIB Servant, GPIB-VXI Backplane;
Read/Write Local, Read-Only Local (see description) |
![]() |
Range: 1h to FFFFFFFFh Default: 50 | This property specifies the maximum number of events that can be queued at any time on the given session. This property is a Read/Write Local until the first time viEnableEvent() is called on a session. Thereafter, it is Read-Only. | GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, PXI Instr, TCPIP Instr, TCPIP Socket, VXI Backplane, VXI Servant, Instr, PXI Instr, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Readdress,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: TRUE | This property specifies whether the device is to be readdressed before every transfer. | GPIB Instr, Instr, VXI/GPIB-VXI MBD Instr |
Recv CIC State,
Read-Only Local |
![]() |
Range: TRUE FALSE Default: N/A | This property specifies whether the CIC status was gained or lost. This is valid for the GPIB CIC Event only. | Generic Event, GPIB CIC Event |
Recv Intr Level,
Read-Only Local |
![]() |
Range: 1 to 7, (-1) Unknown Default: N/A | This property value is the VXI interrupt level on which the interrupt was received. This is valid for the VXI/VME Interrupt Event only. | Generic Event, VXI/VME Interrupt Event |
Recv Trig ID,
Read-Only Local |
![]() |
Range: (0) TTL0 to (7) TTL7; (8) ECL0 to (9) ECL1 Default: N/A | This property identifies the triggering mechanism on which the specified trigger event was received. This is valid for the Trigger Event only. | Generic Event, Trigger Event |
REN State,
Read-Only Global |
![]() |
Range: TRUE FALSE Default: N/A | This property returns the current state of the GPIB REN interface line. | Instr, GPIB Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI/VME RBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, GPIB BoardInterface, GPIB Servant |
Replace Char,
Read/Write Local |
![]() |
Range: 0 to FFh Default: 0 | This property specifies the character to be used to replace incoming characters that arrive with errors (such as a parity error). | Instr, Serial Instr |
RI State
Read-Only Global |
![]() |
Range: (1) Asserted (0) Unasserted (-1) Unknown Default: N/A | This property shows the current state of the Ring Indicator (RI) input signal. The RI signal is often used by modems to indicate that the telephone line is ringing. | Instr, Serial Instr |
Rsrc Lock State,
Read-Only Global |
![]() |
Range: (0) No Lock (1) Exclusive Lock (2) Shared Lock Default: (0) | This property reflects the current locking state of the resource that is associated with the given session. | GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, Instr, PXI Instr, TCPIP Instr, TCPIP Socket, VXI Backplane, VXI Servant, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Rsrc Manf Id,
Read-Only Global |
![]() |
Range: 0h to 3FFFh Default: N/A | This property value corresponds to the VXI manufacturer ID of the manufacturer that created the VTL or VISA implementation. | Generic Event, GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, Instr, PXI Instr, TCPIP Instr, TCPIP Socket, VXI Backplane, VXI Servant, Resource Manager, Serial Instr, Service Request Event, Trigger Event, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr, VXI Signal Event, VXI/VME Interrupt Event |
Rsrc Manf Name,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This property is the name of the manufacturer that created the implementation. | Generic Event, GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, Instr, PXI Instr, TCPIP Instr, TCPIP Socket, VXI Backplane, VXI Servant, Resource Manager, Serial Instr, Service Request Event, Trigger Event, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr, VXI Signal Event, VXI/VME Interrupt Event |
Rsrc Name,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This property is the unique identifier for a resource. | GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, Instr, PXI Instr, TCPIP Instr, TCPIP Socket, VXI Backplane, VXI Servant, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
RTS State,
Read/Write Global |
![]() |
Range: (1) Asserted (0) Unasserted (-1) Unknown Default: N/A | This property is used to manually assert or unassert the Request To Send (RTS) output signal. When the flow control is set to hardware handshaking, this property is ignored when changed. | Instr, Serial Instr |
Secondary Addr,
Read-Only Global |
![]() |
Range: 0 to 30, NO SEC ADDR (FFFFh) Default: N/A | This property value is the secondary address of the GPIB device used by the given session. If the device does not have a secondary address, then the value of this property is 0xFFFF. | GPIB Instr, GPIB BoardInterface, GPIB Servant, GPIB-VXI Backplane, Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Send End En,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: TRUE | This property specifies whether to send an END indicator on the last byte of each write operation. | GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, TCPIP Instr, TCPIP Socket, VXI Instr, VXI Servant, Instr, Serial Instr, VXI/GPIB-VXI MBD Instr |
Sig Stat ID,
Read-Only Local |
![]() |
Range: 0h to FFFFh Default: N/A | This property is the 16-bit Status/ID value retrieved during the IACK cycle or from the Signal register. This is valid for the VXI Signal Event only. | Generic Event, VXI Signal Event |
Slot
Read-Only Global |
![]() |
Range: 0 to 12; (-1) Unknown Default: N/A | This property value is the physical slot location of the device. If the slot is unknown, the value returned will be -1. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Spec Version,
Read-Only Global |
![]() |
Range: 0h to FFFFFFFFh Default: 00200200h | This property is the version that uniquely identifies the version of the VISA specification to which the implementation is compliant. | Generic Event, GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, TCPIP Instr, TCPIP Socket, VXI Instr, VXI Backplane, VXI Servant, Instr, PXI Instr, Resource Manager, Serial Instr, Service Request Event, Trigger Event, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr, VXI Signal Event, VXI/VME Interrupt Event |
Src Access Priv,
Read/Write Local |
![]() |
Range: (0) DATA PRIV (1) DATA NPRIV (2) PROG PRIV (3) PROG NPRIV (4) BLCK PRIV (5) BLCK NPRIV (6) D64 PRIV (7) D64 NPRIV Default: (0) | This property specifies the address modifier to be used in high-level access operations, such as viInXX() and viMoveInXX(), when reading from the source. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Src Byte Order,
Read/Write Local |
![]() |
Range: (0) Big Endian (1) Little Endian Default: (0) | This property specifies the byte order to be used in high-level access operations, such as viInXX() and viMoveInXX(), when reading from the source. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Src Increment,
Read/Write Local |
![]() |
Range: 0 to 1 Default: 1 | This property specifies the number of elements by which to increment the source address on block move operations. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
SRQ State,
Read-Only Global |
![]() |
Range: (-1) Unknown (0) Unasserted (1) Asserted | This property returns the current state of the GPIB SRQ interface line. | GPIB BoardInterface |
Stop Bits,
Read/Write Global |
![]() |
Range: (10) Stop One (15) Stop One-and-a-half (20) Stop Two Default: (10) | This property specifies the number of stop bits used to indicate the end of a frame. The value (15) Stop One-and-a-half may not be supported by all serial ports and/or operating systems. It also may not be supported in combination with certain settings for the Data Bits property. | Instr, Serial Instr |
Sub Manf Id,
Read-Only Global |
![]() |
Range: 0 to FFFFh Default: N/A | This property is the subsystem manufacturer identification number of the PXI device. If a single manufacturer produced the entire device or this value is 0, this property is meaningless. | Instr, PXI Instr |
Sub Model Code,
Read-Only Global |
![]() |
Range: 0 to FFFFh Default: N/A | This property specifies the subsystem model code for the PXI device. If a single manufacturer produced the entire device or this value is 0, this property is meaningless. | Instr, PXI Instr |
Suppress End En,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: FALSE | This property specifies whether to ignore any END indicator on read operations. | Instr, Serial Instr, VXI/GPIB-VXI MBD Instr |
SysCntrl State,
Read/Write Global |
![]() |
Range: TRUE FALSE Default: N/A | This property shows whether the specified GPIB interface is currently the system controller. | GPIB BoardInterface |
TCP Addr,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This is the TCPIP address of the device to which the session is connected. This string is formatted in dot notation. | Instr, TCP/IP Instr, TCP/IP Socket |
TCP DevName,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This specifies the LAN device name used by the VXI-11 protocol (for example, inst0) during connection. | Instr, TCP/IP Instr |
TCP Hostname,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This specifies the host name of the device. If no host name is available, this property returns an empty string. | Instr, TCP/IP Instr, TCP/IP Socket |
TCP KeepAlive,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: FALSE | An application can request that a TCP/IP provider enable the use of keep-alive packets on TCP connections by turning on this property. If a connection is dropped, the error code VI_ERROR_CONN_LOST is returned to I/O calls on the session. | Instr, TCP/IP Instr, TCP/IP Socket |
TCP NoDelay,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: TRUE | The Nagle algorithm is disabled when this property is enabled (and vice versa). The Nagle algorithm improves network performance by buffering written data until a full-size packet can be sent. This property is enabled by default in VISA to verify that writes get flushed immediately. | Instr, TCP/IP Instr, TCP/IP Socket |
TermChar En,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: FALSE | This property specifies whether a read operation should terminate when the termination character is received. | GPIB Instr, GPIB Interface, GPIB Servant, TCPIP Instr, TCPIP Socket, VXI Instr, VXI Servant, Instr, Serial Instr, VXI/GPIB-VXI MBD Instr |
TermChar,
Read/Write Local |
![]() |
Range: 0 to FFh Default: 0ah (linefeed) | This property specifies a character that, when read, causes a read operation to terminate. The termination character must also be enabled. | GPIB Instr, GPIB Interface, GPIB Servant, TCPIP Instr, TCPIP Socket, VXI Instr, VXI Servant, Instr, Serial Instr, VXI/GPIB-VXI MBD Instr |
Timeout,
Read/Write Local |
![]() |
Range: (0) Immediate; 1 to FFFFFFFEh; (FFFFFFFFh) Infinite Default: 2000 | This property specifies the minimum timeout value, in milliseconds, to use when accessing the device. Note that the actual timeout used may be higher than the one requested. | GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, TCPIP Instr, TCPIP Socket, VXI Instr, VXI Backplane, VXI Servant, Instr, PXI Instr, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Trigger Id,
Read/Write Local |
![]() |
Range: GPIB, Serial: (-1) SW VXI, GPIB-VXI: (-1) SW (0) TTL0 to (7) TTL7; (8) ECL0 to (9) ECL1 Default: (-1) | This property specifies which trigger mechanism to use. In VXI systems, for example, you can choose between software triggers and hardware triggers on a specific trigger line. | Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, GPIB-VXI MEMACC, TCPIP Instr, VXI Instr, VXI Backplane, VXI Servant, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME RBD Instr |
Unaddress,
Read/Write Local |
![]() |
Range: TRUE FALSE Default: FALSE | This property specifies whether to unaddress the device (UNT and UNL) after each read or write operation. | GPIB Instr, Instr, VXI/GPIB-VXI MBD Instr |
User Data,
Read/Write Local |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property is a data value for the private use of an application, and is unique per session. This property is not used by VTL or VISA for any purpose. | GPIB Instr, GPIB Interface, GPIB Servant, GPIB-VXI Backplane, GPIB-VXI MEMACC, TCPIP Instr, TCPIP Socket, VXI Instr, VXI Backplane, VXI Servant, Instr, PXI Instr, Resource Manager, Serial Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
VXI Dev Class,
Read-Only Global |
![]() |
Range: (0) Memory (1) Extended (2) Message (3) Register (4) Other | Specifies which class the VXI or VME device is a member of. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI/VME RBD Instr, VXI/GPIB-VXI RBD Instr |
VXI LA,
Read-Only Global |
![]() |
Range: 0 to 511 Default: N/A | This property value is the logical address of the VXI device. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
VXI Trig Status,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This property shows the current state of the VXI trigger lines. This is a bit vector with bits 0-9 corresponding to TTL0 through ECL1. | VXI/GPIB-VXI Backplane |
VXI Trig Supp,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This property shows which VXI trigger lines this implementation supports. This is a bit vector with bits 0-9 corresponding to TTL0 through ECL1. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI/VME RBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI Backplane |
VXI/VME Interrupt Status,
Read-Only Global |
![]() |
Range: N/A Default: N/A | This property shows the current state of the VXI/VME interrupt lines. This is a bit vector with bits 0-6 corresponding to interrupt lines 1-7. | VXI/GPIB-VXI Backplane |
VXI/VME Sysfail State,
Read-Only Global |
![]() |
Range: (-1) Unknown (0) Unasserted (1) Asserted | This property shows the current state of the VXI/VME SYSFAIL (SYStem FAILure) backplane line. | VXI/GPIB-VXI Backplane, VXI Servant |
Win Access Priv,
Read/Write Local |
![]() |
Range: (0) DATA PRIV (1) DATA NPRIV (2) PROG PRIV (3) PROG NPRIV (4) BLCK PRIV (5) BLCK NPRIV Default: (0) | This property specifies the address modifier to be used in low-level access operations, such as viMapAddress(), viPeekXX() and viPokeXX(), when accessing the mapped window. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Win Access,
Read-Only Local |
![]() |
Range: (1) NMAPPED (2) USE OPERS (3) DEREF ADDR Default: (1) | This property value reflects whether the current session has a mapped window, and if so, whether accesses through this window can be achieved through direct pointer dereferences. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Win Base Addr,
Read-Only Local |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property value is the base interface address to which this window is mapped. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Win Byte Order,
Read/Write Local |
![]() |
Range: (0) Big Endian (1) Little Endian Default: (0) | This property specifies the byte order to be used in low-level access operations, such as viMapAddress(), viPeekXX() and viPokeXX(), when accessing the mapped window. | Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
Win Size,
Read-Only Local |
![]() |
Range: 0h to FFFFFFFFh Default: N/A | This property value is the size of the region mapped to this window. | Instr, PXI Instr, VXI/GPIB-VXI MBD Instr, VXI/GPIB-VXI RBD Instr, VXI/GPIB-VXI/VME MemAcc, VXI/GPIB-VXI/VME RBD Instr |
XOFF Char,
Read/Write Local |
![]() |
Range: 0 to FFh Default: <Control-S> | This property specifies the value of the XOFF character used for XON/XOFF flow control (both directions). If XON/XOFF flow control (software handshaking) is not being used, the value of this property is ignored. | Instr, Serial Instr |
XON Char,
Read/Write Local |
![]() |
Range: 0 to FFh Default: <Control-Q> | This property specifies the value of the XON character used for XON/XOFF flow control (both directions). If XON/XOFF flow control (software handshaking) is not being used, the value of this property is ignored. | Instr, Serial Instr |