S8FS-C datasheet(19/42 Pages) OMRON

19 / 42 page

S8FS-C

Overload Protection

The load and the Power Supply are automatically protected from

short-circuit currents and overcurrent damage by this function.

Overload protection is activated if the output current rises above

105% of the rated current.

When the output current returns within the rated range, the overload

protection is automatically cleared.

The values shown in the above diagrams are for reference only.

Note: 1. If the Power Supply has been short-circuited or supplied

with an overcurrent longer than 10 seconds, the internal

parts of the Power Supply may occasionally deteriorate or

be damaged.

2. Internal parts may possibly deteriorate or be damaged if the

Power Supply is used for applications with frequent inrush

current or overloading at the load end. Do not use the Power

Supply for such applications.

Overvoltage Protection

Consider the possibility of an overvoltage and design the system so

that the load will not be subjected to an excessive voltage even if the

feedback circuit in the Power Supply fails. When an excessive voltage

that is 115% of the rated voltage or more is output, the output voltage

is shut OFF, preventing damage to the load due to overvoltage. Reset

the input power by turning it OFF for at least three minutes and then

turning it back ON again.

The values shown in the above diagrams are for reference only.

Note: Do not turn ON the power again until the cause of the

overvoltage has been removed.

Overheat Protection (S8FS-C350

 Only)

If the internal temperature rises excessively as a result of fan failure

or any other reason, the overheat protection circuit will operate to

protect internal elements. Reset the input power by turning it OFF for

at least three minutes and then turning it back ON again.

Intermittent

operation

Output current (%)

100

Overvoltage protection operating

Variable range

Rated output

voltage

+10%

−10%

0 V

+30%

(approx.)

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