File Name:RSP-1500-SPEC 2018-01-15
1500W Single Output Power Supply
RSP-1500 series
4.Alarm Signal Output
※ Alarm signal is sent out through " " & " " and pins on CN3. Please acknowledge an external voltage source is required for this function.POK POK GND
Table 4.1 Explanation of alarm
PIN2 P OK
PIN1 P OK GND
+V
-V
CN3
Low
(0.5V max at 10mA)
Output of alarm(P OK)
High or open
(External applied voltage
10mA max.)
Function
POK
The signal is "Low" when the power supply is above
65% of the rated output voltage, or say, Power OK
Description
The signal turns to be "High" when the power supply
is under 65% of the rated output voltage, or say,
Power Fail
Fig. 4.1 Internal circuit of P OK (Open collector method)
External voltage and R
(The max. Sink is 10mA and 50V)
P OK GND
POK
R
V
0.1uF 100KΩ