Functional Command GroupsVX4380 256-Crosspoint Relay Matrix Module User Manual 3–13Table 3–2: Summary of IEEE-488.2 Common Commands (Cont.)
Command/Syntax Description
Service Request Enable
*SRE <NRf> Sets the contents of the Service Request Enable
register.
Service Request Enable Query
*SRE? Returns the current value of the Service Request
Enable register in <nr1> format.
Read Status Byte Query
*STB? Returns the current value of the Status Byte register in
<nr1> format.
Trigger
*TRG Equivalent to a VXI Trigger command.
Self-Test Query
*TST? Performs a self test of the Option 01 VXI Interface
daughter board and any relay modules under its
control. Place a “0” or “1” into the output queue to
indicate whether the self test passed or failed.
Wait-to-Continue
*WAI Does not execute any further commands or queries
until all pending operations have been completed.