pengenalan
This manual provides detailed instructions for the setup, operation, and maintenance of your ACS ACR122U NFC Reader Writer. The ACR122U is a PC-linked contactless smart card reader/writer developed based on 13.56 MHz Contactless (RFID) Technology. It supports ISO/IEC18092 (NFC) standard, as well as MIFARE and ISO 14443 A and B cards. It is designed for various NFC applications, including payment, public transport, and network log-on.
Kandungan Pakej
Sila sahkan bahawa semua item yang disenaraikan di bawah disertakan dalam pakej anda:
- 1x ACS ACR122U NFC Reader Writer
- 5x Ntag213 NFC Tags
- 2x UID MF1 Cards
- 1x SDK and Free NFC Tool Software (typically provided via download link or included media)

Image: The ACS ACR122U NFC Reader Writer with its USB cable and a plastic bag containing sample NFC tags and cards.
Persediaan
- Sambungkan Peranti: Plug the USB cable of the ACR122U reader into an available USB 2.0 port on your computer. The device is powered directly from the USB port.
- Pemasangan Pemandu: The ACR122U is designed to be driver-free for Windows XP, Vista, 7, 8, and 10. Your operating system should automatically detect and install the necessary drivers. If prompted, allow the system to install the device.
- Pemasangan Perisian: Install the provided SDK and NFC tool software. This software is essential for utilizing the full read/write capabilities of the device. Refer to the software's specific installation guide for detailed steps.

Imej: Dari dekat view of the white ACS ACR122U NFC Reader Writer with the NFC logo, connected to a USB cable.
Arahan Operasi
Membaca NFC Tags:
- Ensure the ACR122U reader is connected to your computer and the NFC tool software is running.
- Letakkan NFC tag or card directly on the surface of the ACR122U reader.
- The software should detect the tag and display its information. The read distance is typically 3-5 cm.
Writing to NFC Tags:
- Open the NFC tool software and navigate to the writing function (e.g., "Encode Smart Poster", "Text", or "URI" tabs).
- Enter the data you wish to write to the NFC tag (e.g., a URL, text message).
- Place a compatible NFC tag pada pembaca.
- Initiate the writing process through the software. Follow any on-screen prompts.

Image: A screenshot of the "NFC Tool for ultralight" software interface, showing options for Smart Poster, Text, and URI encoding, with input fields for title, URI, prefix, and message.

Image: A screenshot of the "M1 Card Service Program" software, illustrating support for ISO14443 Type A (Mifare), ISO14443 Type B, and FeliCa (ISO14443 Type C) protocols, along with peer-to-peer communication and extension diagrams.
Supported Cards and Protocols
The ACR122U supports a wide range of NFC and RFID standards:
- Protokol: IEC14443A & ISO18092 (NFC)
- Kad: Mifare 1k, Mifare 4k, Ultralight, UltralightC, Ntag213/215/216, Mifare Plus 2k/4k, Mifare Desfire 2k/4k/8k
Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Dimensi (L x W x H) | 90 mm x 65 mm x 12.8 mm (3.54 x 2.56 x 0.5 inci) |
| Berat badan | 100 gram (4.2 auns) |
| bahan | PC enclosure |
| warna | putih |
| Panjang Kabel | Kabel USB 1.0 meter |
| Kekerapan Bekerja | 13.56 MHz |
| Baca Jarak | 3-5 cm |
| Masa Membaca | <100 ms |
| Antara muka | USB 2.0 |
| Bekalan Kuasa | 5V/100 mA from USB port |
| Format Output | 10 digit Decimal (converted from Chip UID) |
| Sokongan Sistem Pengendalian | Windows XP, Vista, 7, 8, 10 (Driver-free) |
| Suhu Operasi | -10°C hingga +60°C |
| Kelembapan Operasi | 5% hingga 95% RH (tidak pemeluwapan) |
| Suhu Penyimpanan | -25°C hingga +45°C |
| Kelembapan Penyimpanan | 5% hingga 95% RH (tidak pemeluwapan) |

Image: The back of the ACS ACR122U NFC Reader Writer, displaying the model number ACR122U-A9, P/N, S/N RR545-105445, power specifications, and compliance markings.
For more information, refer to the official product page or support documentation for ACR122U-A9 RR545-105445.
Penyelenggaraan
- Pembersihan: Use a soft, dry cloth to clean the surface of the reader. Avoid using liquid cleaners or abrasive materials.
- Storan: Simpan peranti di tempat yang sejuk dan kering jauh dari cahaya matahari langsung dan suhu yang melampau apabila tidak digunakan.
- Pengendalian: Kendalikan peranti dengan berhati-hati untuk mengelakkan kerosakan fizikal. Elakkan daripada menjatuhkan atau dikenakan impak yang kuat.
Menyelesaikan masalah
- Peranti Tidak Dikesan:
- Ensure the USB cable is securely connected to both the reader and the computer.
- Try plugging the reader into a different USB port.
- Mulakan semula komputer anda.
- Verify that your operating system is supported (Windows XP, Vista, 7, 8, 10).
- Cannot Read/Write Tags:
- Memastikan tag is placed correctly on the reader, within the 3-5 cm read distance.
- Semak sama ada tag type is supported by the ACR122U (e.g., Mifare, Ntag213/215/216).
- Verify that the NFC tool software is running and configured correctly for the operation (read/write).
- Beberapa tags may be locked or protected from writing.
- Isu Perisian:
- Ensure you have the latest version of the SDK and NFC tool software.
- Consult the software's documentation or support resources for specific error messages.
Waranti dan Sokongan
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official ACS webtapak. Pelan perlindungan mungkin tersedia untuk perlindungan lanjutan.
- Pelan Perlindungan 3 Tahun: Tersedia untuk dibeli.
- Pelan Perlindungan 4 Tahun: Tersedia untuk dibeli.
Contact information for ACS support can typically be found on their official website or within the software documentation.





