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Error Messages
B-2 975-0200-01-01
Error Messages
Errors are placed in a queue as they are detected. The queue works on a
first in, first out (FIFO) basis. If the queue overflows, the last error in the
queue is replaced with error –350, “Queue Overflow”. When all errors
have been read from the queue, further error queries return 0, “No error”.
The error queue is cleared when any of the following occur (IEEE 488.2,
section 11.4.3.4):
• Upon receipt of a *CLS command
• Upon reading the last item from the queue
Command Error List
An error in the range [-199, -100] indicates that an IEEE 488.2 syntax
error has been detected by the instrument’s parser. The occurrence of any
error in this class causes the command error bit (bit 5) in the Event Status
Register to be set.
Table B-1
Command Error List
Error Code Error Message Description
-100 Command error
This is the generic syntax error
-105 GET not allowed
A Group Execute Trigger was received within a program
message.
-114 Header suffix out of range
The value of a numeric suffix attached to a program mnemonic
is out of range. May refer to multichannel addressing, auto
sequence number or auto sequence step number.
-120 Numeric data error
This error is generated when parsing a data element which
appears to be numeric, including the non-decimal numeric
types.
-123 Exponent too large
The magnitude of the exponent was larger than 32000.
-151 Invalid string data
The data with the enclosed (“) double apostrophes (string) is
invalid. Possibility of wrong length or character.