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Status Reporting System
R&S
®
RTC1000
352User Manual 1335.7352.02 ─ 04
Bit No. Meaning
6 MSS bit (master status summary bit)
The bit is set if the instrument triggers a service request. This is the case if one of the other bits
of this registers is set together with its mask bit in the service request enable register SRE.
7 STATus:OPERation status register summary bit
The bit is set if an EVENt bit is set in the OPERation status register and the associated
ENABle bit is set to 1. A set bit indicates that the instrument is just performing an action. The
type of action can be determined by querying the STATus:OPERation status register.
C.3.2 Event Status Register (ESR) and Event Status Enable Register
(ESE)
The ESR is defined in IEEE 488.2. It can be compared with the EVENt part of a SCPI
register. The event status register can be read out using command
*ESR?.
The ESE corresponds to the ENABle part of a SCPI register. If a bit is set in the ESE
and the associated bit in the ESR changes from 0 to 1, the ESB bit in the STB is set.
The ESE register can be set using the command
*ESE and read using the command
*ESE?.
Table C-2: Meaning of the bits used in the event status register
Bit No. Meaning
0 Operation Complete
This bit is set on receipt of the command *OPC exactly when all previous commands have been
executed.
1 Not used
2 Query Error
This bit is set if either the controller wants to read data from the instrument without having 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 executed.
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.
Contents of the Status Registers
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