274 Keysight E4980A/AL Precision LCR Meter
Overview of Remote Control
Status Byte
8-
Table 8-4 Standard Event Status Register Assignments
Bit
No.
Bit
Weight
Name Description
0 1 Operation Complete (OPC)
Bit
This bit is set to “1” when the
E4980A/AL has completed all
selected pending operations before sending the *OPC
command.
1 2 Request Control (RQC) Bit always 0 (zero)
2 4 Query Error (QYE) Bit This bit is set to “1” when reading data from the output
buffer and no data was present, or when the data was lost.
3 8 Device specific error (DDE)
Bit
This bit is set to “1” when a device-dependent error
(except for the command error, query error, and execution
error) has occurred.
4 16 Execution Error (EXE) Bit This bit is set to “1” when a parameter following a header
of the GPIB command was evaluated by the
E4980A/AL as
being outside its legal input range or is otherwise
inconsistent with the
E4980A/AL’s capabilities.
5 32 Command Error (CME) Bit This bit is set to “1” if the following command errors occur.
• IEEE 488.2 syntax error
• The device received a TRIGGER (GET) bus
command inside a program message.
6 64 User Request (URQ) Bit always 0 (zero)
7 128 Power On (PON) Bit This bit is set to “1” when the
E4980A/AL’s power supply has
been turned off and then on since the last time this
register was read.
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