Agilent Technologies N8900 series, Руководство по эксплуатации

Страница: 102 / 119

Status Tutorial
cleared when read. The Standard Event enable register functions similarly to the enable registers of the Operation and
Questionable status groups. Refer to
Status Registers for a description of each register.
The following table describes the Standard Event Status register bit assignments.
Bit Bit Name
Decimal
Value
Definition
0 Operation
Complete 1 All commands before and including *OPC have been executed.
1 not used not used 0 is returned
2 Query Error 4
The instrument tried to read the output buffer but it was empty,
a new command line was received before a previous query has
been read, or both the input and output buffers are full.
3
Device-Specific
Error
8
A device-specific error, including a self-test error, calibration
error or other device-specific error occurred.
Error Messages
4
Execution
Error
16 An execution error occurred. Error Messages
5 Command 32 A command syntax error occurred. Error Messages
6 not used not used 0 is returned
7 Power On 128
Power has been cycled since the last time the event register was
read or cleared.
Status Byte Register
This register summarizes the information from all other status groups as defined in the IEEE 488.2 Standard Digital
Interface for Programmable Instrumentation.
The following table describes the Status Byte Register register bit assignments.
Bit Bit Name
Decimal
Value
Definition
0 not used not used 0 is returned
1 not used not used 0 is returned
2 Error Queue 4
One or more errors in the Error Queue. Use SYSTem:ERRor?
to read and delete errors.
3
Questionable
Status Summary
8
One or more bits are set in the Questionable Data Register.
Bits must be enabled, see STATus:QUEStionable:ENABle.
4
Message
Available
16 Data is available in the instrument's output buffer.
Agilent N8900 Series Operating and Service Guide 101