
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
,
D
5
etc.)
E2
Invalid Device Dependent Command Option
(
G5X
,
K3
X
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$
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