Measurement Computing Analyzer488 - Manual (Page 223)

Section 6 Instrument Simulator
6.13
Error Query E?
The Error Query command, E?, is used to determine the current error condition
of the Analyzer488. After execution of the Error Query command, the current error
condition is cleared. The error condition is also cleared by executing the Status (U0)
command.
SYNTAX: E? Return and clear current error condition
After execution of the Error command, the Analyzer488 will return
one of the following error codes:
E0 No Error has occurred
E1 Invalid Device Dependent Command (A4X, D5
etc.)
E2 Invalid Device Dependent Command Option
(G5X, K3X etc.)
EXAMPLES: PRINT#1,"CLEAR10" reset the Analyzer488
PRINT#1,"OUTPUT10;E?" request error status
PRINT#1,"ENTER10"
INPUT#2,A$
PRINT A$
display shows E0, no errors have
occurred
PRINT#1,"OUTPUT10;A5X" send an illegal command to the
Analyzer488
PRINT#1,"OUTPUT10;E?" request error status
PRINT#1,"ENTER10"
INPUT#2,A$
PRINT A$
display shows E1-Invalid Device
Dependent Command
PRINT#1,"OUTPUT10;E?" request error status
PRINT#1,"ENTER10"
INPUT#2,A$