GW Instek PSP Series User 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-<cr> 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<cr>
HEX = 53 55 4D 0D
Explain:
When the message of SUM<cr> 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<cr> 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<cr>
HEX = 53 49 4D 0D
Explain:
When the message of SIM<cr> 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<cr> 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<cr>
HEX = 53 50 4D 0D
Explain:
When the message of SPM<cr> 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<cr> 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<cr>
HEX = 4B 46 0D
Explain:
When the message of KF<cr> 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<cr> message is