The HLM-500 sound module is a basic type of detector with mono output. Messages are triggered by the digital inputs of the instrument or by the RS-232 or RS-485 interface. All settings and sounds are stored on a microSD card inserted in the device: changing the message content or settings therefore only requires a replacement, respectively. playing the card. It is sufficient to upload sounds in WAV format to the card, there is no need to use any special software to configure the device.
The device is powered by 8 – 26 V / 0.1 A.
The device is equipped with:
- Audio output with FM radio quality (12b/44.1 kHz), with line level for connecting an external amplifier or active speaker.
- Eight digital inputs for connecting buttons, connecting to other technology, or connecting a motion sensor, for example.
- RS-232 or RS-485 interface for digital communication with another device (the protocol is public, specified in the operating instructions of the device).
- One 24V/1A output relay, switching during announcements, typically to trigger an external amplifier.