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Model 2110

5½ Digit Multimeter Reference Manual Section 5:

Remote commands

2110-901-01 Rev. C/August 2013 5-9

Introduction to SCPI language

Topic overview

This section contains reference information on programming the Model 2110 with the SCPI

commands. It is organized as follows:

SCPI parameter types

The SCPI language defines several different data formats to be used in program messages and

response messages:

Numeric parameters <n>

Commands that require numeric parameters will accept all commonly used decimal representations

of numbers, including optional signs, decimal points, and scientific notation.

Special values for numeric parameters like MINimum, MAXimum, and DEFault are also accepted.

You can also include unit prefixes and units with numeric parameters (for example, 10MOhm, 1kV, or

50uA). If only specific numeric values are accepted, the instrument will automatically round the input

numeric parameters. The following command uses a numeric parameter:

VOLTage[:DC]:RANGe <range>|MINimum|MAXimum

Unit prefixes must be used in combination with a unit. For example, the following command is valid:

CONF:RES 10KOhm

However, this command is not valid:

CONF:RES 10K

Discrete parameters <name>

Discrete parameters are used to program settings that have a limited number of values (for example,

BUS, IMMediate, EXTernal). They have a short form and a long form just like command keywords.

You can mix upper- and lowercase letters. Query responses will always return the short form in all

uppercase letters. The following command uses discrete parameters:

TRIGger:SOURce BUS|IMMediate|EXTernal

Numeric representation format parameters <NRf>

Numeric representation format parameters are numbers that can be expressed as an integer (e.g., 8),

a real number (e.g., 23.6), or an exponent (2.3E6). The following command uses a numeric

parameter:

CALCulate:PERCent:TARGET 100e6

Boolean parameters <b>

Boolean parameters are used to enable or disable an instrument operation. 0 or OFF disables the

operation, and 1 or ON enables the operation. For example, use the ON parameter to enable auto

ranging. When you query a Boolean setting, the instrument will always return 0 or 1.

:CURRent:AC:RANGe:AUTO ON

Keithley 2110 User Manual

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