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Model 6517B Electrometer Reference Manual
Parameter types
Some of the more common parameter types are explained as follows:
<b>
<name>
<NRf>
<n>
<list>
Angle brackets
Angle brackets (<>) are used to denote parameter type. Do not include the brackets in the program
message. For example:
:SOURce:TTL2 <b>
The <b> indicates that a Boolean type parameter is required. Thus, to set digital input line #2 true,
you must send the command with the ON or 1 parameter as follows:
:SOURce:TTL2 ON or :SOURce:TTL2 1
6517B-901-01 Rev. C / August 2015
Boolean: Used to enable or disable an instrument operation. 0 or OFF disables the
operation, and 1 or ON enables the operation. Example to enable autoranging:
:CURRent:DC:RANGe:AUTO ON
Name parameter: Select a parameter name from a listed group. Example:
<name> = NEVer
= NEXt
= ALWays
= PRETrigger
:TRACe:FEED:CONTrol PRETrigger
Numeric representation format: This parameter is a number that can be expressed as
an integer (for example, 8), a real number (for example, 23.6) or an exponent (for
example, 2.3E6). Example to set Bit B2 of enable register:
:STATus:MEASurement:ENABle
Numeric value: A numeric value parameter can consist of an NRf number or one of the
following name parameters; DEFault, MINimum, or MAXimum. When the DEFault
parameter is used, the instrument is programmed to the *RST default value. When the
MINimum parameter is used, the instrument is programmed to the lowest allowable
value. When the MAXimum parameter is used, the instrument is programmed to the
largest allowable value. Examples:
Set timer to 100msec:
:TRIGger:TIMer 0.1
Set timer to 0.1sec
:TRIGger:TIMer DEFault
Set timer to 1msec
:TRIGger:TIMer MINimum
Set timer to 999999.999sec
:TRIGger:TIMer MAXimum
List: Specify one or more switching channels. Examples:
Specify scan list (1 through 10)
:ROUTe:SCAN (@1:10)
Specify scan list (2, 4, and 6)
:ROUTe:SCAN (@2,4,6)
Section 11: Remote operations
11-11
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