Overview
Sound board plays a prerecorded sound.
It is designed for easy integration and usage.

Key features:
- Low power consumption
- Easy integration
- Versatile usage
- Two independently controlled relays
- RS485 ModBus interface
Standard firmware
When the external key is activated, relays and status LED are activated for 500ms. Prerecorded sound plays 3 times (500ms sound length).
Usage Scenarios:
As a stand alone
One button press plays the sound and pulls two relays.
As a serial attached device
RS485 ModBus, where a ModBus register write will play the sound or pull the relays. ModBus register read will read the state of the relays and the button.
Technical specifications
Power Consumption:
Powered through 230VDC on board.
Physical attributes
- 3 tri-color status LEDs
- Two independently controlled relays
- Plugs with common + NO / NC
- RS485 (RJ45) serial port
- Test button
- Reset button
- External button input
- Sound output
- Configuration DIP switch with 8 positions
Physical Dimensions:
Overall Width: 100 mm Overall Height: 50 mm Thickness including plugs and relays: 70 mm
Pricing and availability
Produced on request to keep stock to a minimum.
Pricing on request, as components vary from day to day.