Specifications

Chapter 14 241
Outline of Programming Using COM
Outline of E4991A COM
14. Outline of Programming Using COM
Status report system Checks the condition of the
E4991A
Use the GPIB Status report
system.
Use the GPIB Status report
system as a rule.
*1
Original COM objects are
prepared to detect the following
events.
• SweepEnd event on
page 537
• SweepStart event on
page 538
• CompleteSweepAveraging
event on page 538
• Unlocked event on
page 539
• DcBiasOverload event
on page 539
• RfOverload event on
page 540
System setting Checks whether remote user
interface function and E4991A
are connected.
Not prepared. The following COM interface is
prepared assuming the usage of
a Personal Computer that uses
remote user interface function.
• Connection property on
page 531
Items other than the above
(system-related setting/reading)
Some dedicated GPIB
commands are prepared.
No dedicated COM interface is
prepared.
*1. However, the SRQ is unavailable, so the procedure for setting the *SRE on page 283 is always disabled. Further-
more, a program based on a COM interface cannot handle an interruption by using the SRQ.
Table 14-1 Function comparison of GPIB commands and COM objects