Chapter 6 359
Using the STATus System
Using the Status Registers
Using the STATus System
The standard event status register contains the following bits:
Bit Description
0 A 1 in this bit position indicates that all pending operations were completed following
execution of the *OPC command.
1 This bit is always set to 0. (The instrument does not request control.)
2 A 1 in this bit position indicates that a query error has occurred. Query errors have SCPI
error numbers from
−499 to −400.
3 A 1 in this bit position indicates that a device dependent error has occurred. Device
dependent errors have SCPI error numbers from
−399 to −300 and 1 to 32767.
4 A 1 in this bit position indicates that an execution error has occurred. Execution errors
have SCPI error numbers from
−299 to −200.
5 A 1 in this bit position indicates that a command error has occurred. Command errors
have SCPI error numbers from
−199 to −100.
6 A 1 in this bit position indicates that the
LOCAL key has been pressed. This is true even if
the instrument is in local lockout mode.
7 A 1 in this bit position indicates that the instrument has been turned off and then on.
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