iL Series User Manual
California Instruments
Rev B
85
11. Error Messages
This appendix gives the error numbers and descriptions that are returned by the AC
power source. Error numbers are returned in two ways:
•
Error numbers are displayed on the front panel
•
Error numbers and messages are read back with the “SYSTem:ERRor?” query.
SYSTem:ERRor? returns the error number into a variable and returns two
parameters: an NR1 and a string.
The following table lists the errors that are associated with SCPI syntax errors and
interface problems. It also lists the device dependent errors. Information inside the
brackets is not part of the standard error message, but is included for clarification.
When errors occur, the Standard Event Status register records them as follows:
Bit Set
Code Error
Type
5
-100 thru -199
Command
3
-300 thru -399
or
1 thru 32767
Device-dependent
4
-200 thru -299
Execution
2
-400 thru -499
Query
Table 52 : Standard Event Status Register (ESR) bits
Table 53 shown below list all ESR error messages generated by the AC source.
Messages in the table are grouped by Code Error type.
Error Error String
-100
Command error [generic]
-101
Invalid character
-102
Syntax error [unrecognized command or data type]
-103
Invalid separator
-104
Data type error [e.g., "numeric or string expected, got block data"]
-105
GET not allowed
-108
Parameter not allowed [too many parameters]
-109
Missing parameter [too few parameters]
-112
Program mnemonic too long [maximum 12 characters]
-113
Undefined header [operation not allowed for this device]
-121
Invalid character in number [includes "9" in octal data, etc.]
-123
Numeric overflow [exponent too large; exponent magnitude >32 k]
-124
Too many digits [number too long; more than 255 digits received]
-128
Numeric data not allowed
-131
Invalid suffix [unrecognized units, or units not appropriate]
-138
Suffix not allowed
-141
Invalid character data [bad character, or unrecognized]
-144
Character data too long
-148
Character data not allowed
-150
String data error
-151
Invalid string data [e.g., END received before close quote]
-158
String data not allowed
-160
Block data error
-161
Invalid block data [e.g., END received before length satisfied]
Summary of Contents for 3000iL
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