14 Languages
This section describes the operation of the three groups of commands.
The Groups are: Delta Programming Languages DPL, Standard Commands Programmable Instruments
SCPI, and Common commands.
• Delta Programming commands is a PSC 44M compatible language. With the DIP switch A8 ON
and A7 OFF the DPL is active. The DPL mode emulates the commands of the old PSC 44M and
the 12 bit DAC and ADC.
• Common commands are mnemonic commands beginning with a star. The query commands are
followed by a question mark. The common commands are defined in the IEEE488.2 standard and
control status reporting, synchronization and conditions of the power supply and the PSC-488.
• Standard Commands for Programmable Instruments SCPI.
These commands are used to configure and calibrate the PSC, to set voltage and current and to
read back voltage,current and status of the Power Supply.
Note: Terminator for all commands is LF.
14.1 Delta Programming Commands
MNEMONICS FUNCTION
SA
Step mode A channel (voltage)
SB
Step mode B channel (current)
FU
Input maximum voltage of the power supply
FI
Input maximum current of the power supply
U
Set output voltage of the power supply
I
Set output current of the power supply
ERR?
Report the last error
ID?
Report the Identify of the PSC
MA?
Read the measured output voltage of the power supply
MB?
Read the measured output current of the power supply
SCPI
Switch to the SCPI parser
PSC 44 emulating mode.
The PSC-488 emulates in this mode the PSC 44 language including the 14 to 12 bit conversion. The calibration is by
the PSC-488 software. To calibrate the PSC-488 set the DIP switch A6 and A7 to OFF prior to using the calibrating
program (See chapter calibration) and after the calibration the DIP switch must be set to A7 = ON (Delta
Programming Languages).
For more details read the PSC 44M manual.
When in SCPI mode, the command “DPL” switches the PSC-488 to DPL mode.
PSC SERIES DELTA ELEKTRONIKA BV
May 2008 MANUAL page 16
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