1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your SQXBK 3015 Active Piezo Buzzer. This device is designed to produce a continuous sound alarm, suitable for various electronic projects and industrial applications. Please read this manual thoroughly before use to ensure safe and efficient operation.
2. Safety Information
- Ensure the power supply voltage matches the buzzer's specifications (DC 3-24V). Applying incorrect voltage may damage the device.
- Observe correct polarity when connecting the wires: Red wire is positive (+), Black wire is negative (-).
- Avoid exposing the buzzer to excessive moisture or extreme temperatures.
- Do not attempt to disassemble or modify the buzzer, as this may void any implied warranty and could lead to malfunction.
- Keep out of reach of children.
3. Package Contents
Your package should contain the following items:
- 5 x SQXBK 3015 Active Piezo Buzzer units
4. Product Overview
The SQXBK 3015 Active Piezo Buzzer is a compact and efficient sound-emitting component. It features a continuous sound output and operates within a wide DC voltage range, allowing for volume adjustment based on the input voltage.
Figure 4.1: Front view of two SQXBK 3015 Active Piezo Buzzers, showing the sound grille and mounting tabs with pre-attached red and black power wires.
Figure 4.2: Rear view of a single buzzer unit, displaying the model number "SFM-27" and the operating voltage range "DC:3-24V" printed on a red label.
Figure 4.3: Dimensional diagram of the buzzer, indicating a length of 47.2mm (1.85 inches), width of 29.3mm (1.15 inches), and height of 14.7mm (0.57 inches).
5. Specifications
| Feature | Specification |
|---|---|
| Product Name | Active Piezo Buzzer |
| Model Number | 3015 (Internal: 31418-PB-B5) |
| Operating Voltage | DC 3-24V |
| Sound Type | Continuous Sound |
| Operating Frequency | 3100Hz |
| Material | ABS |
| Cable Length | 120mm (4.72 inches) |
| Dimensions (L x W x H) | 47.2 x 29.3 x 14.7 mm (1.85 x 1.15 x 0.57 inches) |
| Color | Black |
6. Installation and Setup
- Mounting: The buzzer features integrated mounting tabs with holes. Secure the buzzer to a stable surface using appropriate screws (not included) through these holes. Ensure the mounting location allows for optimal sound propagation.
- Wiring: Identify the positive and negative terminals of your DC power source.
- Connect the red wire of the buzzer to the positive (+) terminal of your DC power supply.
- Connect the black wire of the buzzer to the negative (-) terminal of your DC power supply.
Ensure all connections are secure and insulated to prevent short circuits.
- Power Supply: Connect the power supply to an appropriate power source. The buzzer operates within a DC 3-24V range.
Figure 6.1: Multiple buzzer units, illustrating their compact design and pre-wired connections, ready for installation.
7. Operation
The SQXBK 3015 Active Piezo Buzzer is designed for straightforward operation:
- Once correctly wired and powered within the DC 3-24V range, the buzzer will emit a continuous sound.
- The volume of the buzzer can be adjusted by varying the input voltage. A higher voltage (up to 24V) will result in a louder sound, while a lower voltage (down to 3V) will produce a softer sound.
- The buzzer does not require an external driver circuit; it is an active buzzer, meaning it generates its own tone when power is applied.
Figure 7.1: Another perspective of two buzzer units, highlighting their robust black ABS casing and integrated wiring.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | No power, incorrect wiring, voltage too low. |
|
| Sound is too weak | Input voltage is low. | Increase the input voltage towards the higher end of the DC 3-24V range. |
| Intermittent sound | Loose connection, unstable power supply. |
|
9. Maintenance
- Cleaning: Gently wipe the exterior of the buzzer with a dry, soft cloth to remove dust. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the buzzer in a dry, cool environment, away from direct sunlight and corrosive substances.
- Inspection: Periodically inspect the wires for any signs of damage or fraying. Replace if necessary.
10. Warranty and Support
Specific warranty information for the SQXBK 3015 Active Piezo Buzzer is not provided in this manual. For details regarding warranty coverage, technical support, or replacement parts, please contact your original point of purchase or refer to the manufacturer's official website.