Remote Control
R&S
®
FPC
346User Manual 1178.4130.02 ─ 07
Table 19-9: Meaning of the bits in the event status register
Bit number Meaning
0 Operation Complete
This bit is set on receipt of the command *OPC exactly when all previous commands
have been executed.
1 Unused
2 Query Error
This bit is set if either the controller wants to read data from the instrument without hav-
ing sent a query, or if it does not fetch requested data and sends new instructions to the
instrument instead. The cause is often a query which is faulty and hence cannot be exe-
cuted.
3 Device-dependent Error
This bit is set if a device-dependent error occurs. An error message with a number
between -300 and -399 or a positive error number, which denotes the error in greater
detail, is entered into the error queue.
4 Execution Error
This bit is set if a received command is syntactically correct but cannot be performed for
other reasons. An error message with a number between -200 and -300, which denotes
the error in greater detail, is entered into the error queue.
5 Command Error
This bit is set if a command is received, which is undefined or syntactically incorrect. An
error message with a number between -100 and -200, which denotes the error in greater
detail, is entered into the error queue.
6 Unused
7 Power On (supply voltage on)
This bit is set on switching on the instrument.
19.17.5 STATus:OPERation Register
In the CONDition part, this register contains information on which actions the instru-
ment is being executing or, in the EVENt part, information on which actions the instru-
ment has executed since the last reading. It can be read using the commands
STATus:OPERation:CONDition? or STATus:OPERation[:EVENt]?.
Table 19-10: Meaning of the bits in the STATus:OPERation register
Bit number Meaning
0 to 14 Unused
15 This bit is always 0.
19.17.6 STATus:QUEStionable Register
This register contains information about indefinite states which may occur if the unit is
operated without meeting the specifications. It can be read using the commands
STATus:QUEStionable:CONDition? and STATus:QUEStionable[:EVENt]?.
Status Reporting System
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