File Name:LAD-360-SPEC 2022-10-14

360W Economical Security/Fire Alarm PSU with Battery Charger/UPS

L A D - 3 6 0 series

2

1

8

7

Between pin 1 and pin 4

3.1 AC OK : Detection of AC status

The signal is "Low" when the AC input is normal

The signal turns to be "High" when the AC input is abnormal

(0.3V max. at 30mA)

(External applied voltage 50V max.)

Low

High or open

Description

2

1

8

7

Between pin 2 and pin 4

(0.3V max. at 30mA)

(External applied voltage 50V max.)

Low

High or open

Description

The signal is "Low" when the battery is not connected or inversely connected

The signal turns to be "High" when the battery is connected or normal

R

V

R

V

4

4

3.Function signals by TTL and UART

External voltage and resistor

(The max. sink current is 30mA at 50VDC)

R

V

3.2 Battery Disconnected/Reverse Polarity: Battery status detection



TTL Signal for Blank version



TTL Signal for Blank version



Signal for UART Version

AC OK is achievable through UART communication protocol,please refer to for more detail: http://www.meanwell.com/manual.html



TTL Signal is sent out through pins from CN2.



External voltage source is required for the TTL signal. The maximum voltage is 50VDC and the maximum sink current is 30mA.



Signal for UART Version

Battery Disconnected/Reverse Polarity is achievable through UART communication protocol,please refer to for more detail:

http://www.meanwell.com/manual.html