Satel APS-30 Manual

APS-30
POWER SUPPLY
The ASP-30 power supply is designed for use with devices requiring the 12 V DC supply voltage.

1. Features


Output current 3 A.

Possibility to work with an emergency backup battery:
 battery status control,
 automatic cutoff of discharged battery.

Pins enabling configuration of the power supply settings.

3 LEDs to indicate:
 AC mains power supply status,
 battery status,
 battery charging.

2 OC outputs to indicate the following troubles:
 AC mains power loss,
 low battery.

Audible signaling of troubles.

Short-circuit protection of AC mains power supply circuit and battery charging circuit.

Short-circuit and overload protection of the power output.

Tamper protection against enclosure opening.

2. Description of the power supply

Explanations for Fig. 1:
wires connecting the electronics board and the LED board.
LED board.
red LED indicating the AC mains power supply status:
ON – AC power OK,
flashing – no AC power.
green LED indicating the battery status:
ON – battery OK (or the battery status control disabled),
flashing – low battery (battery voltage below 11 V).
yellow LED indicating the battery charging process. It is on when the battery is being charged
(brightness of light depends on current consumption). When the battery status control is
enabled, the LED goes on for a few seconds every 4 minutes to indicate the battery check.
sounder for trouble indication.
3.15 A slow-blow fuse – battery charging circuit protection.
battery connection cables (red +, black -).
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