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Operation
Command Syntax
36 Operating Manual for RS-232 for XT/HPD Series Power Supply
Command
Format and
Parameters
The device-dependent language for the RS-232 Interface consists of commands and
parameters. A command is a one word code which either gives instructions to the
interface or asks for information from the interface. A command may be followed by
one or more parameters, a short code that changes the state of the power supply or
the state of the bit register. Table 3.1, “Command Parameters” lists the parameters
that affect the command set.
Format:
COMMAND or
COMMAND <parameter> or
COMMAND <parameter>,<parameter>
• You can enter commands in upper or lower case lettering.
Example: MASK FOLD = mask fold
• Do not further abbreviate command names or parameters.
Example: MASK FOLD ≠ MK FOLD
MASK FOLD ≠ MASK FD
• Use a space between the command and the first parameter. Any number of
consecutive spaces is treated as one space. Numeric data may contain leading
spaces. Embedded spaces between digits or between a digit and a decimal point
are not accepted.
Example: MASK FOLD = MASK FOLD
VOUT 3.4 = VOUT 3.4
VOUT 3.4 ≠ VOUT 3. 4
• Use commas between parameters in those commands with more than one
parameter, and between mnemonic parameters as in the MASK and UNMASK
commands. Only one comma is allowed and it may be preceded or followed by
any number of spaces.
Example: MASK CV, OV, FOLD