Xantrex DC XG 850 User Manual download pdf (Page 233)

SCPI Conformance Information

M370078-01 A-7

Parameter Types

Several different data types are defined for use in program messages and

response messages.

Boolean Parameters

Boolean parameters are single binary conditions such as 1 and 0, or ON

and OFF. The following is an example of a command that uses Boolean

parameters:

SYST:COMM:GPIB:PONS {ON|OFF|1|0}

Discrete Parameters

Discrete parameters are used when program settings have a limited

number of values. If you query a discrete parameter, the response will

always be in the short form with all uppercase letters. The following is an

example of a command that uses discrete parameters:

TRIG:SOUR {BUS|EXT|IMM|NONE}

Numeric Parameters

Numeric parameters are number representations such as decimal points,

optional signs, and scientific notation. Values such as MINimum and

MAXimum are accepted as substitutes for numbers. When DEFault is

provided as a parameter, the machine selects the default value

automatically. No units’ suffix should be included with the parameter,

only support for defaults units is available. In cases where specific

numeric values are accepted, the power unit will round the input

parameters. The following is an example of a command that uses numeric

parameters:

VOLT:PROT {<voltage>|MAX|MIN}

String Parameters

String parameters are used when a series of ASCII characters is required.

Strings must be enclosed within single or double quotations. The

beginning and ending quotation marks must be matching. Quote

delimiters may be included in the string by typing the quotation marks

twice without any characters in between. The following is an example of

a command that uses string parameters:

CAL:STAT ON, “0000”

1 2 ... 228 229 230 231 232 233 234 235 236 237 238 ... 285 286

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Xantrex DC XG 850 User Manual Page 233