Keithley 2651A Reference Manual page 184

Model 2651A High Power System SourceMeter® Instrument Reference Manual
Each of these two functions can be used in four ways:
display.inputvalue(format)
display.inputvalue(format, default)
display.inputvalue(format, default, min)
display.inputvalue(format, default, min, max)
display.prompt(format, units, help)
display.prompt(format, units, help, default)
display.prompt(format, units, help, default, min)
display.prompt(format, units, help, default, min, max)
Where:
format
default
min
max
units
help
Both the display.inputvalue() and display.prompt() functions display the editable input
field, but the display.inputvalue() function does not include the text strings for units and
help.
After one of the above functions is executed, command execution will pause and wait for the operator
in input the source level. The program will continue after the operator enters the value by pressing the
navigation wheel
2651A-901-01 Rev. A / March 2011
String that creates an editable input field on the user screen at the present cursor position
(examples: +0.00 00, +00, 0.00000E+0)
Value field:
+ = Include for positive/negative value entry; omitting the + prevents negative value
entry
0 = Defines the digit positions for the value (up to six zeros (0))
Exponent field (optional):
E = include for exponent entry
+ = Include for positive/negative exponent entry; omitting the + prevents negative
value entry
0 = Defines the digit positions for the exponent
Option to set a default value for the parameter, which will be displayed when the command is
sent
Option to specify minimum limits for the input field
•
When NOT using the "+" sign for the value field, the minimum limit cannot
be set to less than zero
•
When using the "+" sign, the minimum limit can be set to less than zero
(for example, -2)
Option to specify maximum limits for the input field
Text string to identify the units for the value (8 characters maximum), for example:
Units text is "V" for volts and "A" for amperes
Informational text string to display on the bottom line (32 characters maximum).
or the ENTER key.
Section 3: Functions and features
3-77