Program Examples - Keithley SourceMeter 2400 User Manual

18-26 SCPI Command Reference
+814 "Mismatched brackets" — Improper use of brackets for vectored
+815 "Too many parenthesis" — Too many closed parentheses were
+816 "Entire expression not parsed" — Occurs when the input expres-
+817 "Unknown token" — Attempted to define an expression using an
+818 "Error parsing mantissa" — Occurs when a floating point num-
+819 "Error parsing exponent" — Occurs when a floating point num-
+820 "Error parsing value" — Occurs when an invalid floating point
+821 "Invalid data handle index" — An invalid array index value was
Notes:

Program examples

OFFCOMPOHM, VOLTCOEF, and VARALPHA require two source-
measure sweep points in order to perform the math expressions. Shown
below are code fragments that will properly configure the SourceMeter
to perform the built-in math expressions:
Power:
*RST
:SENS:FUNC:OFF:ALL
:SENS:FUNC
:CALC:MATH:EXPR:NAME
:CALC:STAT
:OUTPUT
:INIT
:CALC:DATA?
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
2400 Series SourceMeter
math expression indices. For example, CALC1:MATH:EXPR
(VOLT[0*CURR[0]) generates this error.
detected. For example, CALC1:MATH:EXPR (In(VOLT)) gener-
ates this error.
sion does not produce a function for the SourceMeter to calculate.
invalid function name.
ber has an invalid mantissa.
ber has an invalid exponent.
number is entered.
assigned to a vectored expression. Array indices start at 0 and can
be as high as 2499.
• Up to five user-defined math expressions can be created.
• A selected math expression can only be performed if CALC1 is
enabled. (See ":STATe <b>.")
• When the math expression is vectored, the math result will not be
generated until all source-measure operations for the vector array
are performed.
• Initializing memory (:SYSTem:MEMory:INITialize) deletes all
user-defined math expressions and selects the POWER expression.
"VOLT","CURR"
"POWER"
ON
ON
®
User's Manual