Data Sheet

3.Alarm Signal Output
※ Alarm signal is sent out through "P OK" & "P OK GND" and P OK2 & P OK GND2 pins on CN1. Please acknowledge an external voltage source is required for this function.
Fig. 3.2 Internal circuit of P OK (Relay, total is 10W)
External voltage and R
(The max. sink is 500mA and 20V)
P OK GND
P OK
Function
P OK
The signal is "Low" when the power supply is above
80% of the rated output voltage, or, say, Power OK
Low
(0.5V max at 500mA)
Low
(0.5V max at 10mA)
Description Output of alarm(P OK, Relay Contact)
Output of alarm(P OK2, TTL Signal)
The signal turns to be "High" when the power supply
is under 80% of the rated output voltage, or, say,
Power Fail
High or open
(External applied voltage, 500mA max.)
High or open
(External applied voltage, 10mA max.)
R
V
Fig. 3.3 Internal circuit of P OK2 (Open collector method)
External voltage and R
(The max. sink is 10mA and 30V)
P OK GND2
P OK2
R
V
0.1uF
Table 3.1 Explanation of alarm
File Name:CSP-3000-SPEC 2021-09-03
3000W Power Supply with Single Output
CSP-3000 serie s
CN1
PIN7(P-OK)
PIN9(P-OK-GND)
PIN2(P-OK-2)
PIN4(P-OK-GND-2)
Fig. 4.2 Remove the CN1
Fig. 4.1 Insert the CN1
PIN5
PIN5
PIN6
PIN6
4.Select Overload Protection Type
(2)Remove the shorting connector on CN1 that is shown in Fig 4.2, the Overload Protection Type will be "continuous constant current limiting".
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(1)Insert the shorting connector on CN1 that is shown in Fig 4.1, the Overload Protection Type will be "constant current limiting with delay shutdown after 3 seconds,
re-power on to recover". This is the factory default.