Keysight VXI Bus 75000 C Series User And Programming Manual page 71

Command Fundamentals
Implied Commands
Implied commands appear in square brackets ( [ ] ) in the command syntax. (Note
that the brackets are not part of the command and are not sent to the
instrument.) Suppose you send a second-level command but do not send the
preceding implied command. In this case, the instrument assumes you intend to
use the implied command and it responds as if you had sent it. Examine this
excerpt from the [SOURce:] subsystem shown below:
The root command [SOURce:] is implied. To set the instrument to output a
logical 1 to bit 0 of port 3, you may send either:
or
Parameters
Parameter Types. The following table contains explanations and examples of
parameter types you might see later in this chapter. Parameters must always be
separated from the keywords by a space.
An example is the DIGital:CONTroln:POLarity <polarity> command where the
parameter <polarity> can be either POS or NEG.
Keysight E1458A 96-Channel Digital I/O Module User Guide
[SOURce:]
DIGital
:DATAn
[:VALue] <parameter>
:BITm <parameter>
[SOURce:]DIGital:DATA3:BIT0 1
DIGital:DATA3:BIT0 1
Parameter Type
Numeric
Boolean
Discrete
Keysight E1458A Command Reference
Explanations and Examples
Accepts all commonly used decimal
representations of numbers including optional
signs, decimal points, and scientific notation.
123, 123E2, -123, -1.23E2, .123, 1.23E-2,
1.23000E-01. Special cases include MIN, MAX,
and DEF.
Represents a single binary condition that is either
true or false.
ON, OFF, 1, 0.
Selects from a finite number of values. These
parameters use mnemonics to represent each
valid setting.
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