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4.8 DC_OK signal
An open collector output provides a low output voltage detection signal. The open collector output is on when the
output voltage is higher than 80%+/-5% of the rated output voltage of the power supply.
The open collector output is referenced to the Signals_Return potential and is isolated from the power supply +V
and -V terminals
The maximum sink current is 10mA and the maximum external voltage is 15V.
Refer to Fig 4-3 for typical application.
FPS1000
16
12V aux
10K Ω
9
DC_OK
10
Signals return
Fig 4-3
4.9 AC_Fail signal
An open collector output provides a low AC input voltage detection signal. The open collector output is on when the
input voltage is 85Vac or higher.
The open collector output is referenced to the Signals_Return potential and is isolated from the power supply +V
and -V terminals
The maximum sink current is 10mA and the maximum external voltage is 15V.
Refer to Fig 4-4 for typical application.
FPS1000
16
12V aux
10K Ω
11
AC_Fail signal
10
Signals return
Fig 4-4
4.10 Remote On/Off control
A Remote On/Off control input is provided. The Remote On/Off input is isolated from the power supply +V and -V
terminals and is referenced to the Signals_Return potential. The Remote On/Off can be operated either by electrical
signal or by dry contact.
(1) Operation by electrical signal:
0~0.6V: Output is On.
2~15V: Output is Off.
The maximum sink current is 2.6mA and the maximum external voltage is 15V.
(2) Operation by dry contact (relay or switch):
Short between On/Off input and Signals Return: Output is On.
Open circuit between On/Off input and Signals Return: Output is Off.
When the Remote On/Off function is not used, connect a short circuit between the On/Off control and the Signals_Return.
Refer to Fig 4-5 for the remote On/Off circuit description:
16
12V aux
FPS1000
4.7K Ω
7
I source 2.6mA max, 15Vdc max.
On/Off control
10
Signals return
Fig 4-5
12
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相关PDF资料
FPXLF0368-20 CRYSTAL 3.6864 MHZ 20PF SMD
FQ3225B-27 CRYSTAL 27.000 MHZ 20PF SMT
FQ5032B-18.432 CRYSTAL 18.432 MHZ 20PF SMD
FQ7050B-7.3728 CRYSTAL 7.3728 MHZ 20PF SMD
FRJ2411 CONN MOD JACK DUST CAP GREY
FRL91-23CGA3-BB79 SWITCH ROCKER DPDT 20A 12V
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