GW Instek PSW-Series User Manual - Manual (Page 29)

GETTING STARTED
29
PSW 250-4.5 0.00 ~ 55.55Ω
PSW 250-9 0.00 ~ 27.77Ω
PSW 250-13.5 0.00 ~ 18.51Ω
PSW 800-1.44 0.0 ~ 555.5Ω
PSW 800-2.88 0.0 ~ 277.8Ω
PSW 800-4.32 0.0 ~ 185.1Ω
Alarms
The PSW power supplies have a number of protection features.
When one of the protection alarms are set, the ALM icon on the
display will be lit. For details on how to set the protection modes,
please see page 57.
OVP Overvoltage protection (OVP) prevents a high
voltage from damaging the load.
OCP Overcurrent protection prevents high current
from damaging the load.
OTP Over temperature protection protects the
instrument from overheating.
Power Switch Trip When the Power Switch Trip configuration
setting is enabled, the power supply will
automatically shut down when a protection
setting has been tripped (OCP, OVP, OTP).
Alarm output Alarms are output via the analog control
connector. The alarm output is an isolated
open-collector photo coupler output.