1. Introduction
This manual provides detailed instructions for the installation, programming, operation, and maintenance of the UHPPOTE HBK-A02 125KHz RFID Standalone Door Access Control Keypad. This device is designed to provide secure access control for various applications, supporting up to 1000 card users.
Figure 1: UHPPOTE HBK-A02 Keypad Front View
2. Key Features
- High quality and high security, sensitively and response quickly.
- Full programming from the keypad, support add/delete cards, set password, etc.
- Door bell button support external doorbell.
- Uses high-performance MCU for stable performance and low-power circuit for extended service life.
- Functions as a standalone keypad, no computer connection required.
- Suitable for factories, houses, residential quarters, offices, and mechanical/electrical control equipment.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | HBK-A02 |
| Manufacturer | UHPPOTE |
| Input Voltage | 12 Volts DC |
| Product Dimensions | 4.72 x 3.07 x 0.87 inches |
| Item Weight | 3.21 ounces (91 Grams) |
| RFID Frequency | 125KHz |
| User Capacity | Up to 1000 Card Users |
| Color | Black |
| UPC | 701385688196 |
4. Installation
Proper installation is crucial for the optimal performance and security of your access control keypad. Ensure all power is disconnected before beginning installation.
4.1 Mounting the Keypad
- Choose a suitable mounting location near the door, ensuring it is protected from direct weather exposure if installed outdoors.
- Use the provided mounting screws to secure the back plate of the keypad to the wall.
- Route the necessary wiring through the wall or conduit to the keypad's connection point.
- Attach the keypad front panel to the back plate after wiring is complete.
Figure 2: Keypad Mounted on a Door Frame
4.2 Wiring Connections
The HBK-A02 keypad requires a 12V DC power supply. Carefully follow the wiring diagrams below. Incorrect wiring can damage the device or connected components.
Figure 3: Rear View of Keypad with Wiring Harness
Figure 4: Close-up of Wiring Terminal Block
4.2.1 Common Power Supply Diagram
This diagram illustrates connections when using a single power supply for both the keypad and the electric lock.
Figure 5: Common Power Supply Wiring Diagram
4.2.2 Special Power Supply Diagram
This diagram shows connections when using a dedicated access control power supply unit, which often includes battery backup and advanced control features.
Figure 6: Special Power Supply Wiring Diagram
5. Programming
The keypad is programmed directly using the numeric buttons. The default master code is 123456.
5.1 Entering Programming Mode
- Press *.
- Enter the 6-digit Master Code (default: 123456).
- Press #.
- The red LED will flash, indicating programming mode.
5.2 Exiting Programming Mode
Press * to exit programming mode at any time.
5.3 Changing the Master Code
- Enter Programming Mode.
- Press 0.
- Enter the new 6-digit Master Code.
- Enter the new 6-digit Master Code again to confirm.
- Press #.
- Exit Programming Mode.
5.4 Adding User Cards/Codes
The keypad supports up to 1000 user cards or codes.
- Enter Programming Mode.
- Press 1.
- For RFID cards: Present the card to the keypad. The keypad will beep to confirm. Repeat for additional cards.
- For User Codes: Enter a 4-digit to 6-digit user code, then press #. Enter the code again and press # to confirm.
- Exit Programming Mode.
5.5 Deleting User Cards/Codes
- Enter Programming Mode.
- Press 2.
- For RFID cards: Present the card to the keypad. The keypad will beep to confirm deletion. Repeat for additional cards.
- For User Codes: Enter the 4-digit to 6-digit user code to delete, then press #.
- Exit Programming Mode.
5.6 Setting Relay Unlock Time
This sets how long the door remains unlocked after a valid access. The default is 5 seconds.
- Enter Programming Mode.
- Press 3.
- Enter a 2-digit number for the unlock time in seconds (e.g., 05 for 5 seconds, 00 for 0.2 seconds).
- Press #.
- Exit Programming Mode.
6. Operation
6.1 Gaining Access
- Using an RFID Card: Present a registered RFID card to the keypad. The keypad will beep, and the door will unlock for the set duration.
- Using a User Code: Enter your registered user code (4-6 digits) followed by #. The keypad will beep, and the door will unlock for the set duration.
6.2 Doorbell Function
Press the Bell button on the keypad to activate an external doorbell (if connected).
7. Maintenance
- Cleaning: Wipe the keypad surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Environmental Protection: Ensure the keypad is protected from extreme temperatures, direct sunlight, and moisture to prolong its lifespan.
- Regular Testing: Periodically test the keypad's functionality, including card/code access and the exit button, to ensure proper operation.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keypad does not power on. | No power supply or incorrect wiring. | Check 12V DC power supply connection and wiring according to diagrams. |
| Door does not unlock with valid card/code. | Card/code not registered, incorrect code, or lock wiring issue. | Verify card/code registration. Check wiring to the electric lock (NO/NC/COM). Ensure relay unlock time is set correctly. |
| Keypad beeps continuously or acts erratically. | Interference or internal fault. | Disconnect power for 30 seconds and reconnect. If problem persists, contact support. |
| Cannot enter programming mode. | Incorrect Master Code or not following sequence. | Ensure you are using the correct 6-digit Master Code (default 123456) and the sequence * + Master Code + #. |
9. Safety Information
- Always disconnect power before performing any wiring or maintenance.
- Ensure all wiring connections are secure and insulated to prevent short circuits.
- Do not expose the device to water or excessive humidity.
- This device is intended for low-voltage applications (12V DC). Do not connect to higher voltage sources.
- Installation should be performed by qualified personnel if you are unsure about electrical wiring.
