3-24
BHK-MG (OPR) 032816
formatted data; the data can contain information regarding operating parameters, power supply
state, status, or error conditions.
3.5.2
COMMON COMMANDS/QUERIES
Common commands and queries are defined by the IEEE 488.2 standard to perform overall
power supply functions (such as identification, status, or synchronization) unrelated to specific
power supply operation (such as setting voltage/current). Common commands and queries are
preceded by an asterisk (*) and are defined and explained in Appendix A (see Table 4-4). Refer
also to syntax considerations (PARs 3.4.3 through 3.4.6).
3.5.3
SCPI SUBSYSTEM COMMAND/QUERY STRUCTURE
Subsystem commands/queries are related to specific power supply functions (such as setting
output voltage, current limit, etc.) Figure 3-5 is a tree diagram illustrating the structure of SCPI
subsystem commands used in the BHK-MG Power Supply with the “root” at the left side, and
specific commands forming the branches. The following paragraphs introduce the subsystems;
subsystem commands are defined and explained in Appendix B.
3.5.3.1
ABORT SUBSYSTEM
This subsystem allows pending trigger levels to be cancelled.
3.5.3.2
INITIATE SUBSYSTEM
This subsystem enables the trigger system. When a trigger is enabled, the triggering action will
occur upon receipt of a GPIB <GET>, *TRG or TRIGger command. If a trigger circuit is not
enabled, all trigger commands are ignored.
3.5.3.3
LIST SUBSYSTEM
The LIST subsystem is represented by 250 memory locations (groups of settings) which are
stored in the volatile memory. Each setting contains values for: Current, Voltage, and Time. The
range for the first two values is the maximum available range for the specific power supply. The
Time setting is between 0.01 and 655.35 seconds.
3.5.3.4
MEASURE SUBSYSTEM
This query subsystem returns the voltage and current measured at the power supply's output
terminals.
3.5.3.5
OUTPUT SUBSYSTEM
This subsystem controls the power supply's voltage and current outputs
3.5.3.6
INSTRUMENT SUBSYSTEM
This subsystem controls the power supply's voltage and current outputs and allows compatibility
with other vendor’s products
Содержание BHK 1000-0.2MG
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