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• Related Commands: VXI:WRITE, VXI:REG:READ?
Example Read from one of a device’s configuration registers
VXI:READ? 8,0 read ID register on device at
Logical Address 8
enter statement enter value from device register
:REGister:READ? VXI:REG:READ? < register> returns the contents of the specified 16 bit
register at the selected logical address as an integer (see VXI:SELect). The
register is specified as the byte address of the desired register or optionally as
the register name.
Parameters Parameter
Name
Parameter
Type
Range of
Values
Default
Units
register numeric even numbers from 0 to 62 or
register name (see below)
none
Comments • The register parameter can be all even numbers from 0 to 62 inclusive (as
a < numeric_value> ) or the following (optional) words:
A24Low: A24 Pointer Low register (18)
A24High: A24 Pointer High register (16)
A32Low: A32 Pointer Low register (22)
A32High: A32 Pointer High register (20)
ATTRibute: Attribute register (8)
DHIGh: Data High register (12)
DLOW: Data Low register (14)
DTYPe: Device Type register (2)
ICONtrol: Interrupt control register (28)
ID: ID register (0)
ISTatus: Interrupt Status register (26)
MODid: MODID register (8)
OFFSet: Offset register (6)
PROTocol: Protocol register (8)
RESPonse: Response register (10)
SNHigh: Serial Number High register (10)
SNLow: Serial Number Low register (12)
STATus: Status register (4)
SUBClass: Subclass register (30)
VNUMber: Version Number register (14)
• Related Commands: VXI:SEL, VXI:REG:WRIT
Example Read from a register on the currently selected device
VXI:READ? CONT Read from the control register
of the currently seected device
VXI :REGister:READ?
System Instrument Command Reference 7-61