The ALM-06-WF / ALM-04-MRTU is equipped with a 4 GB microSD card (TFlash), it can play the MP3 files when the DI status matches the pre-defined conditions or gets Modbus TCP/Modbus RTU commands via the Wi-Fi/RS-485. The built-in speaker power is 3W, it is about 99dB. And every condition not only plays the MP3 files but also can be configured to turn on the built-in relay to trigger other external device like warning lamp. When requires for louder sound, the module also features audio line out for external PA system.
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Voice Alert
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| Series | Model | RS-485 Modbus RTU |
Wi-Fi (2.4 GHz) Modbus TCP |
PoE Ethernet Modbus TCP |
DI (Dry) | DO | Audio Playback | Sound Device | Sound Pressure Level/Output |
|---|---|---|---|---|---|---|---|---|---|
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ALM-06-WF | - | Yes | - | 6 | Relay DC 50 V/ 100 mA x 1 |
MP3/64 File (Max) | Speaker | 99dB @ 1KHz/1meter/3W |
| ALM-04-MRTU | Yes | - | - | 4 | Relay DC 50 V/ 100 mA x 1 |
MP3/64 File (Max) | Speaker | 99dB @ 1KHz/1meter/3W | |
ALM-Horn series alert module includes high output volume output or Ultra-bright flashing device. It can use to alert warning in many applications like fire, leakage, security... etc.
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Sound and Light Alert
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| Series | Model | RS-485 Modbus RTU |
Wi-Fi (2.4 GHz) Modbus TCP |
PoE Ethernet Modbus TCP |
DI (Dry) | DO | Audio Playback | Sound Device | Sound Pressure Level/Output |
|---|---|---|---|---|---|---|---|---|---|
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ALM-Horn-RGB | - | - | Yes | 1 | Open Collector (Sink) DC 30 V/ 400 mA x 11 |
Tone/4mode | Piezo Transducer | 100 ±5dB @10cm/3.0 KHz |
| ALM-Horn-BR | - | - | - | 1 | Open Collector (Sink) DC 30 V/ 400 mA x 1 |
Tone/4mode | Piezo Transducer | 120 ±5dB @ 15cm/3.2 KHz | |
| ALM-Horn-WF-BR | - | Yes | - | 1 | Open Collector (Sink) DC 30 V/ 400 mA x 1 |
Tone/4mode | Piezo Transducer | 120 ±5dB @ 15cm/3.2 KHz | |
| ALM-Horn-MRTU-BR | Yes | - | - | 1 | Open Collector (Sink) DC 30 V/ 400 mA x 1 |
Tone/4mode | Piezo Transducer | 120 ±5dB @ 15cm/3.2 KHz | |
