Best for

High-output PLC and Modbus warning

A good choice if you need
  • PLC / RS485 control
  • Adjustable sound: 0-130 dB
  • Custom alarm audio upload
  • Audible + visual warning
How it works
  1. PLC or controller sends a command
  2. The alarm receives the RS485 / Modbus signal
  3. The configured warning activates
YASONG Alarm
RS-485 Control

YASONG SLA-05BX 130dB RS-485 Modbus Alarm Siren, 45W, 12 Tones, IP65, USB Upload, LED Strobe

0-130 dB 45W IP65
Best for

High-output PLC and Modbus warning

A good choice if you need
  • PLC / RS485 control
  • Adjustable sound: 0-130 dB
  • Custom alarm audio upload
  • Audible + visual warning
How it works
  1. PLC or controller sends a command
  2. The alarm receives the RS485 / Modbus signal
  3. The configured warning activates
$149.00
Voltage

Choose the voltage that matches your available power supply.

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Before You Buy

Please confirm the correct voltage before ordering. This alarm requires wiring and RS-485 communication protocol development capability to send commands and trigger the alarm.

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Need another control method? See other alarm options →

Is this model right for you?

Check the capabilities that matter before you choose a configuration.

If you need This model
PLC / RS485 control ✓
Adjustable volume ✓
Custom alarm audio ✓
Audible + visual warning ✓
IP65 protection ✓

Why choose this model?

The features that most directly affect how this model works and where it fits.

RS-485 Protocol Control

The SLA-05BX is activated by commands sent through the RS-485 communication protocol. It is suitable for users who can develop or configure control software for networked alarm triggering.

The SLA-05BX is activated by commands sent through the RS-485 communication protocol. It is suitable for users who can develop or configure control software for networked alarm triggering.

After power is connected, the alarm remains in standby mode. It activates sound and LED strobe warning after receiving a valid RS-485 command signal.

After power is connected, the alarm remains in standby mode. It activates sound and LED strobe warning after receiving a valid RS-485 command signal.

The siren includes 12 adjustable tones and supports volume adjustment. The exact adjustable sound range should be confirmed because the page shows conflicting 120dB and 130dB information.

Key Specifications

Quick technical checks before ordering.

Sound Level
0-130 dB
Power
45W
Trigger Mode
RS-485 communication protocol command trigger
Control Mode
Physical button control and RS-485 communication protocol command control
Alarm Mode
Sound and light alarm simultaneously
Tone
12 adjustable tones
Volume Adjustment
Adjustable by physical button or RS-485 command
Protection Rating
IP65
Installation Method
Wall-mounted installation
Input Voltage
DC12V / DC24V / AC110V / AC220V

Product Overview

The YASONG SLA-05BX RS-485 Modbus alarm siren combines a high-output adjustable horn, RS-485 communication protocol control and LED strobe warning light for factories, warehouses, workshops, corporate buildings, residential communities and industrial warning systems.

This model works by RS-485 command activation: after power is connected, the alarm remains in standby mode and can be triggered by control software sending commands through the RS-485 communication protocol.

  • RS-485 protocol control for networked alarm system integration
  • 45W alarm power for fixed industrial warning points
  • 12 adjustable tones selectable by button or control software
  • USB sound upload for custom alarm audio
  • IP65 waterproof housing for indoor and outdoor use

Please confirm the correct voltage and RS-485 control requirements before ordering. This alarm requires wiring and control software development capability before use.

Full Technical SpecificationsDetailed product data from the available product information.
Product Type
RS-485 Networked Alarm Siren
Input Voltage
DC12V / DC24V / AC110V / AC220V
Power
45W
Sound Level
0-130 dB
Tone
12 adjustable tones
Volume Adjustment
Adjustable by physical button or RS-485 command
Alarm Mode
Sound and light alarm simultaneously
Trigger Mode
RS-485 communication protocol command trigger
Control Mode
Physical button control and RS-485 communication protocol command control
Work Mode
Standby after power-on; triggered by RS-485 command to activate sound and LED strobe
Light Source
LED Beads
Lighting Mode
LED Strobe
Protection Rating
IP65
Installation Method
Wall-mounted installation
Operating Temperature
-40℃-70℃
Material
Cold rolled steel
Net Weight
4.5kg
Package Dimensions
47cm*23cm*24cm(1Pcs);
51cm*50cm*29cm(2Pcs);
49cm*48cm*51cm(4Pcs);
USB Interface
Upload custom audio
Application Scenarios
Factories, warehouses, workshops, corporate buildings, residential communities, retail stores, tornado warning systems, noisy industrial sites, networked warning systems
Customization
USB custom audio upload, voltage options

Need a different alarm?

If this control method or feature set is not what you need, start with the requirement that matters most.

Need remote activation? Explore sirens designed to trigger wirelessly from a distance. Explore options → Need simpler power-on warning? Explore wired power-on sirens when advanced sound adjustment is unnecessary. Explore options →

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