Specifications

324 Appendix B
Status Reporting System
Status Register Structure
Issuing the *CLS command will clear all bits from the operation status event register.
Issuing the *CLS command will clear all bits from the questionable status event register.
Table B-3 Status Bit Definitions of the Operation Status Condition Register
Bit
Position
Name Description
0 to 2 Not used Always 0
3 Analog Measurement
Set to “1” during analog measurement
*1
.
4Measurement
Set to “1” during measurement
*2
.
5 Waiting for Trigger
Set to “1” when the instrument is waiting for a trigger
*3
.
6 to 15 Not used 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 66.
Table B-4 Status Bit Definitions of Questionable Status Event Register
Bit
Position
Name Description
0 to 4 Not used Always 0
5 PLL Unlock Set to “1” when a PLL unlock occurs.
6 to 8 Not used Always 0
9 OUT OF GOOD BINS Set to “1” when the bin sorting result is OUT OF GOOD
BINS
*1
.
10 RDC OUT OF RANGE Set to “1” when the result of R
dc
measurement fails to fall
within the specified limit range.
11 to 15 Not used Always 0
*1. This is when the handler interface's /OUT_OF_GOOD_BINS is active (the DUT is
sorted into the bad bin or not sorted into any bin).