Daitron PFS300A-30 Manual de instruções - Página 3
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2．機能説明
Function explanation
2-1
Input voltage
・ AC input voltage range: 85-264VAC (47~63Hz)
・ To avoid damage, please use within recommended range
2-2
Output voltage setting
・ Adjust DC voltage output by using Output Adjustment
Potentiometer located next to the CN501 connector.
・ CW = increase, CCW = decrease.
・ Use in the following range:
・Within the rated output voltage ±10% at the output terminal
(For PFS300A-5, it a variable range of 4.5 to 6V.)
・Do not exceed the maximum output power and rated output current.
・ Slowly turn the potentiometer, not to exceed the rated voltage.
2-3
Inrush Current
・ This unit comes with an integral inrush current limiting
circuit using a power thermistor.
・ Since SCR is used to prevent inrush current, the inrush
current limiting circuit may have been released if the
power is turned on again in a short time. Be sure to wait
enough time before powering up again.
・ Proper selection of component providing power (contactor,
fuse, circuit breaker, etc...) to this unit requires ratings
compatible with AC IN 100V : 20A / ACIN 200V
: 40A (Ta=25℃ Cold Start)
due to internal SCR circuitry.
2-4
Over-current Protection(OCP)
・ When it exceeds 110% of the rated output current,
OCP shuts off the output.
・ Turn off power and remove fault and wait a few minutes
before powering up again.
・ Avoid operation in the over current state longer than 10
seconds or damage to the power supply may occur.
2-5
Over-Voltage Protection(OVP)
・ During an over voltage fault OVP circuitry will disable output
until fault is removed and unit is allowed to reset.
・ Once OVP is activated, output is continuously shut off as
long as the input power is supplied
・ Turn off power and ensure supplied voltage stays within
tolerable limits (100-240VAC) and wait a few minutes before
powering up again.
・ After reset output voltage might be abnormal, so it should be
confirmed and adjusted as needed.
2-6
Over Temperature Protection (OTP)
・
During an over temperature fault OTP circuitry will disable
output until fault is removed and unit is allowed to reset
・
Turn off power and allow unit to cool by wait a few minutes
before powering up again.
・
Confirm the forced air convection allows for cooling airflow.
2-7
Remote Sensing
・ The remote sensing function is built-in.
・ Please note that the maximum allowable voltage drop
from Load to CN terminal is 0.3V.
・ Please twisted pair wires installed in parallel with load
wire as shown below.
If no Remote Sensing will be used, please retain CN501 jumper
connector as shown:
10001-005WE-00