GW Instek PSB-2000 Series User Manual - Manual (Page 89)

OTHER FUNCTIONS
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(2) OCP alarm This alarm code is displayed if the output current
exceeds the preset OCP value.
(3) OHP alarm The OHP alarm is displayed if the temperature at
an internal detection point exceeds a set
temperature. The OHP alarm that is displayed
differs from model to model, as shown below.
For example, on the 2400L2, an OHP alarm is
displayed for each channel.
(2400L, 2400H
2800L, 2800H) (2800L, 2800H) (2400L2)
(4) HARD alarm The HARD alarm is displayed in the following
conditions:
Cause Description
Over-Voltage
(OVP) The output is turned off if the voltage
exceeds 110% of the rated output voltage.
Over-Current
(OCP) The output is turned off if the current
exceeds 110% of the rated output current.
Alarm using
external contacts An alarm is caused when the External
Alarm Input Pins on the external control