Appendix F 267
Error Messages
Error number: -100
F. Error Messages
-100 Command error
A comprehensive syntax error has occurred for which the 4288A cannot detect further
details of the error. This error code simply indicates the occurrence of a command error
that is defined in IEEE488.2,11.5.1.1.4.
-101 Invalid character
Invalid characters have been found in the program message string. For example, in a
correct program message “:CALC1:FORM CP”, an ampersand (&) is inserted by mistake
to give “:CALC1:FORM&CP”.
-102 Syntax error
There is a command or data type that cannot be recognized. For example, in the program
message “:SYST:PRES”, a colon (:) is inserted by mistake to give “:SYST::PRES”.
-103 Invalid separator
The parser (syntax analysis program) expects a separator, but a character other than a
separator has been sent. For example, although the correct way is to use “;” to separate two
sent program messages such as “:CALC1:FORM CP;*OPC?”, the semicolon (;) needed to
separate the program messages is missing to give “:CALC1:FORM CP *OPC?”.
-104 Data type error
The parser has recognized impossible data elements. For example, numeric value or string
data is expected, but block data is sent.
-105 GET not allowed
A group execution trigger (GET) has been received in a program message. (Refer to
IEEE488.2,7.7.)
-108 Parameter not allowed
The number of parameters is larger than required by the command. For example, although
the :CREJ:LIM command requires one parameter such as “:CREJ:LIM 3”, two
parameters are added to give “:CREJ:LIM 0,3”.
-109 Missing parameter
The number of parameters is less than required by the command. For example, although
the :CREJ:LIM command requires one parameter such as “:CREJ:LIM 3”, no parameter
is added to give “:CREJ:LIM”.
-112 Program mnemonic too long
The length of the header exceeds 12 characters. (Refer to IEEE488.2,7.6.1.4.1.)
-113 Undefined header
A header not defined for the 4288A has been received. For example, “*XYZ”, which is not
defined for the 4288A, is received.
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