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Programmable DC Power Supply 62000L Series User's Manual
following string VOLT MAX;CURR MAX is the same as commanding with VOLT MAX
and then CURR MAX.
It's vital to use a colon and a semicolon to combine commands from
CAUTION
different subsystems. For example, in the following command string, an
error appears if they are not used.
DISP:TEXT:CLE;:SOUR:CURR MIN
4.1.3 Command Format in This Manual
The format used on SCPI commands in this manual is like below.
CURRent {<current>|MINimum|MAXimum|UP|DOWN}
The above command consisting of upper-case and lower-case letters is the basic SPCI
syntax. The upper-case letters indicate the abbreviated spelling for the command. To shorten
program lines, you may use an abbreviated form. Generally, in order to create more readable
programs, it is best to use the complete form.
For example, via the above syntax statement, CURRENT and CURR are both available forms.
But when using unqualified and fragment forms, such as CUR and CURREN, an error will be
generated.
4.1.4 MIN and MAX Parameters
For many commands, the minimum/maximum values can be substituted by a parameter
MINimum/MAXimum. For example, in the following command:
CURRent {<current>|MIN|MAX}
To set the current limit to minimum value (0A), you can use the command CURR 0 or use
CURR MIN.
4.1.5 Setting and Querying Commands
Commands can group as setting commands and querying commands. Setting commands are
used to set value or state of the device. For example, VOLT 5 will set the CV limit to 5V.
Commands that ends with character '?' are querying commands and you can use these
commands to query active setting values and states of the device. For example, VOLT? is
used to query the active CV limit value. In some querying commands, you can add
MIN/MAX/DEF parameters to query the minimum/maximum/default value of the setting. For
example, VOLT? MAX will return the maximum CV limit value of the power supply.
If you send two query commands without reading the response from the
CAUTION
first, and want to read the second response, you may receive some data
from the first response followed by the complete second response. To
prevent this, do not send a query command without reading the
response. If the situation can't be prevented, send a device clear before
sending the second query command.
4-2
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