Keysight E4981A - Page 369

Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 369
Status Reporting System
Status Register Structure
Issuing the *CLS command will clear all bits from the standard event status
register.
Table C-3 Status bit definitions of the Operation Status Register
Bit
Position
Name
Description
Condition Register Event Register
0 Not used Always 0 Always 0
1 Settling
Set to “1” during the waiting
time to stabilize the
measurement signal.
Set to “1” after the waiting
time needed to stabilize the
measurement signal has
elapsed.
2Ranging
Set to “1” while switching the
measurement range.
Set to “1” when measurement
range switching is completed.
3
Analog
Measurement
Set to “1” during analog
measurement
1
.
Set to “1” when analog
measurement is completed.
4Measurement
Set to “1” during
measurement
2
.
Set to “1” when measurement
is completed.
5 Waiting for Trigger
Set to “1” while the
instrument is waiting for a
trigger
3
.
Set to “1” when the
instrument starts waiting for a
trigger.
6 Not used Always 0 Always 0
7Correction
Set to “1” during correction
data measurement.
Set to “1” when the correction
data measurement is
completed.
8 Data buffer 1
Set to “1” while data buffer 1
fills.
Set to “1” when data buffer 1
is full.
9 Data buffer 2
Set to “1” while data buffer 2
fills.
Set to “1” when data buffer 2
is full.
10 Data buffer 3
Set to “1” while data buffer 3
fills.
Set to “1” when data buffer 3
is full.
11 Not used Always 0 Always 0
12 Self-test Set to “1” during self-test.
Set to “1” when self-test is
completed.
13 to 15 Not used Always 0 Always 0
1. This is when the handler interface’s /INDEX signal is active.
2. This is when the handler interface’s /EOM signal is active.
3. This is when the trigger system is in trigger wait state. For more information on the
trigger system, refer to “Trigger system” on page 57.