LCR Meter 11021 / 11021-L User’s Manual
5-18
5.7 Standard Event Status Register
The Standard Event Status Register is frequently used and is one of the simplest. Use the
11021/11021-L common used commands *ESE and *ESR? can program it.
7 6 5 4 3 2 1 0
Logical OR
Power On
Command Error
Execution Command
Device Error
Queue Error
Complete Operation
Use *ESR? to read
Standard Event
Status Register
Use *ESE to set
Standard Event
Status Enable
Register
Summary Message for Event
Summary Bit(ESB)
(Bit 5 of Status Byte Register)
7 6 5 4 3 2 1 0
Figure 5-3 Standard Event Status Register
Bit No. Bit Weight Description
7 128
Power on Bit – This bit is set when the 11021/11021-L LCR Meter
has been turned OFF and then ON since the last time this
register was read.
6 Always 0.
5 32
Command Error Bit - This bit is set if the following command
errors occur.
■ An IEEE 488.2 syntax error occurred.
■ The 11021/11021-L LCR Meter received a program message
for Group Execution Trigger.
4 16
Execution Error Bit - This bit is set when a parameter of an
11021/11021-L -IB command is out of its legal input range.
3 8
Device Dependent Error Bit - This bit is set when too many errors
have occurred that the error queue is full.
2 4
Queue Error Bit - This bit is set when reading data from the
output buffer and no data is present, or when the data is lost.
1 Always 0.
0 1
Operation Complete Bit - This bit is set when the 11021/11021-L
LCR Meter has completed all selected pending operations before
the *OPC command is sent.
Table 5-2 Assignments of Standard Event Status Register