GW Instek PSP Series - Manual (Page 20)

PSP SERIES
USER MANUAL
34
Example:
The present load limit is at 100W, and the wheel knob status is at
normal, the SP- message is sent to the power supply, the load
limit of which will become 099W.
*SUM
Function:
Set the maximum voltage limit value.
Syntax:
SUM HEX = 53 55 4D 0D
Explain:
When the message of SUM is sent to the power supply from
computer, the power supply will set the voltage limit to the maximum
immediately.
Example:
The present voltage limit is at 20V, the SUM message is sent to
the power supply, the voltage limit of which will become 40V.
*SIM
Function:
Set the maximum current limit value.
Syntax:
SIM HEX = 53 49 4D 0D
Explain:
When the message of SIM is sent to the power supply from
computer, the power supply will set the current limit to the maximum
immediately.
PSP SERIES
USER MANUAL
35
Example:
The present current limit is at 2.50A, the SIM message is sent to
the power supply, the current limit of which will become 5.00A.
*SPM
Function:
Set the maximum load limit value.
Syntax:
SPM HEX = 53 50 4D 0D
Explain:
When the message of SPM is sent to the power supply from
computer, the power supply will set the load limit to the maximum
immediately.
Example:
The present load limit is at 100W, the SPM message is sent to the
power supply, the load limit of which will become 200W.
*KF
Function:
Set the wheel knob to Fine status.
Syntax:
KF HEX = 4B 46 0D
Explain:
When the message of KF is sent to the power supply from
computer, the power supply will set the wheel knob to Fine status
immediately.
Example:
The present wheel knob status is at Normal, the KF message is