GW Instek PSP Series - Manual (Page 18)

PSP SERIES
USER MANUAL
30
Example:
The present output voltage is at 20.00V, and the wheel knob status is
at normal, the SV+ message is sent to the power supply, the
voltage of which will become 21.00V.
*SV-
Function:
Subtract one unit from the present voltage setting.
Syntax:
SV- HEX = 53 56 2D 0D
Explain:
When the message of SV- is sent to the power supply from
computer, the power supply will subtract one unit from the present
voltage setting immediately.
Example:
The present output voltage is at 20.00V, and the wheel knob status is
at normal, the SV- message is sent to the power supply, the
voltage of which will become 19.00V.
*SU+
Function:
Add one unit to the present voltage limit setting.
Syntax:
SU+ HEX = 53 55 2B 0D
Explain:
When the message of SU+ is sent to the power supply from
computer, the power supply will add one unit to the present voltage
limit setting immediately.
PSP SERIES
USER MANUAL
31
Example:
The present voltage limit is at 30V, and the wheel knob status is at
normal, the SV+ message is sent to the power supply, the voltage
limit of which will become 31V.
*SU-
Function:
Subtract one unit from the present voltage limit setting.
Syntax:
SU- HEX = 53 55 2D 0D
Explain:
When the message of SU- is sent to the power supply from
computer, the power supply will subtract one unit from the present
voltage limit setting immediately.