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Error Messages 49
ESG Family Signal Generators -199 to -100: Command Errors
-199 to -100: Command Errors
The instrument’s parser detected an IEEE 488.2 syntax error. Errors in this class set the
command error bit (bit 5) in the event status register (IEEE 488.2, section 11.5.1). In this
case:
• Either an IEEE 488.2 syntax error has been detected by the parser (a control-to-device
message was received that is in violation of the IEEE 488.2 standard. Possible
violations include a data element which violates device listening formats or whose type
is unacceptable to the device.), or
• an unrecognized header was received. These include incorrect device-specific headers
and incorrect or unimplemented IEEE 488.2 common commands.
-184 Macro parameter error
A command inside the macro definition had the wrong number or type of
parameters.
-183 Invalid inside macro definition
The program message unit sequence, sent with a *DDT or a *DMC command,
is syntactically invalid (see IEEE 488.2, 10.7.6.3).
-181 Invalid outside macro definition
A macro parameter placeholder ($<number) was encountered outside of a
macro definition.
-180 Macro error
This error, as well as errors -181 through -189, are generated when
defining a macro or executing a macro. This particular error message is
used if the device cannot detect a more specific error.
-178 Expression data not allowed
A legal expression data was encountered, but was not allowed by the
device at this point in parsing.
-171 Invalid expression
The expression data element was invalid (see IEEE 488.2, 7.7.7.2). For
example, unmatched parentheses or an illegal character.