The power supply includes an inductive reactance (L1) provided in series to the light emitting diode (LED) (D1..DN). Switching stages (M1,Q1) switch between the charging and the discharging processes of the reactance by exceeding a threshold of respective control voltages (UG,UBE). A free...
Figure 1. Power supply LEDs LEDDescription 1 Input status The input status LED can be in one of the following states: Off: The power supply is disconnected from the AC power source. Green: The power supply is connected to the AC power source. 2 Output status The output status LED can ...
Each power supply unit has three LED indicators that display the status of the power supply unit and related power connections. Figure 1 shows the light-emitting diodes (LEDs) on a power supply unit. Figure 1. Power supply unit LEDs Table 1 describes the various LED states that you might...
Power Supply LEDs Each power supply has LEDs that indicate its state. No. LED Symbol Color Status When Lit 1 Service Action Required Amber The power supply is faulty. Service is required. 2 OK Green Both DC outputs (3.3V standby and 12V main) are active and within regulation. 3 AC Pre...
*/ static void power_supply_update_bat_leds(struct power_supply *psy) { union power_supply_propval status; unsigned long delay_on = 0; unsigned long delay_off = 0; if (psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &status)) return; dev_dbg(psy->dev, "%s %d\n", __func__,...
The power supply for LEDs of the present invention provides power to a variable number of LEDs wired in series or in parallel. The power supply uses current feedback to adjust power to the LEDs and provides protection against open circuits and circuit malfunctions. A current controller compares...
After the power supply was switched on, all LEDs问题补充:匿名 2013-05-23 12:21:38 后,所有LED接通电源 匿名 2013-05-23 12:23:18 在开启电源后,所有led指示灯 匿名 2013-05-23 12:24:58 在电源被交换了之后,所有LEDs 匿名 2013-05-23 12:26:38 后电源已接通,所有指示灯 匿名 ...
Check Power Supply LEDs The power supply status LEDs are located on the power supply at the front of the chassis. Visually inspect the status LEDs. Compare what is displayed on the power supply to the following table. Glyph Name Color State and Meaning OK Green On – Power supply ...
name 110v/220V led strip light 5050 smd rgb led strip IP65 waterproof Light output (Lumen) 412LM/m Power Consumption (W / meter) 7-9w per meter Packaging and delivery Packaging Details carton box Port Shenzhen Supply Ability Supply Ability 10000000 Meter/Meters per Day Show more ...
240leds/meter LED Type Smd2835 Led Chip PCB Color White PCB Voltage AC220V IP Rating IP67 Warranty 2years Package 100M Power 10W/M Packaging and delivery Packaging Details 50&100 Meter per roll. Selling Units: Single item Single package size: ...