Bubuka
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.
Eusi pakét
Punten parios yén sadaya barang anu didaptarkeun di handap kalebet kana pakét anjeun:
- 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.
Disetél
- Sambungkeun Alat: 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.
- Pamasangan supir: 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.
- Pamasangan parangkat lunak: 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.

Gambar: A close-up view of the white ACS ACR122U NFC Reader Writer with the NFC logo, connected to a USB cable.
Parentah Operasi
Maca NFC Tags:
- Ensure the ACR122U reader is connected to your computer and the NFC tool software is running.
- Pasang 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 dina maca.
- 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)
- Kartu: Mifare 1k, Mifare 4k, Ultralight, UltralightC, Ntag213/215/216, Mifare Plus 2k/4k, Mifare Desfire 2k/4k/8k
spésifikasi
| Fitur | Spésifikasi |
|---|---|
| Ukuran (L x W x H) | 90 mm x 65 mm x 12.8 mm (3.54 x 2.56 x 0.5 inci) |
| Beurat | 100 gram (4.2 ons) |
| Bahan | PC enclosure |
| Warna | Bodas |
| Panjang kabel | Kabel USB 1.0 meter |
| Frékuénsi Gawé | 13.56 MHz |
| Baca Jarak | 3-5 cm |
| Waktos Maca | <100 ms |
| Panganteur | USB 2.0 |
| Sasayogian tanaga | 5V/100 mA from USB port |
| Format Kaluaran | 10 digit Decimal (converted from Chip UID) |
| Rojongan System Operasi | Windows XP, Vista, 7, 8, 10 (Driver-free) |
| Suhu Operasi | -10°C nepi ka +60°C |
| Kalembaban Operasi | 5% nepi ka 95% RH (non-condensing) |
| Suhu Panyimpenan | -25°C nepi ka +45°C |
| Kalembaban Panyimpenan | 5% nepi ka 95% RH (non-condensing) |

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.
Pangropéa
- beberesih: Use a soft, dry cloth to clean the surface of the reader. Avoid using liquid cleaners or abrasive materials.
- Panyimpenan: Simpen alat dina tempat anu tiis sareng garing jauh tina sinar panonpoé langsung sareng suhu anu ekstrim nalika henteu dianggo.
- Penanganan: Nanganan alat kalayan ati-ati pikeun nyegah karusakan fisik. Hindarkeun ragrag atanapi tunduk kana dampak anu kuat.
Pamérésan masalah
- Alat Teu Dideteksi:
- Ensure the USB cable is securely connected to both the reader and the computer.
- Try plugging the reader into a different USB port.
- Balikan deui komputer anjeun.
- Verify that your operating system is supported (Windows XP, Vista, 7, 8, 10).
- Cannot Read/Write Tags:
- Pastikeun tag is placed correctly on the reader, within the 3-5 cm read distance.
- Pariksa lamun éta 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).
- Sababaraha tags may be locked or protected from writing.
- Masalah parangkat lunak:
- 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.
Garansi sareng Rojongan
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official ACS websitus. Rencana panyalindungan tiasa sayogi kanggo panangtayungan anu langkung lami.
- Rencana Perlindungan 3 Taun: Sadia keur meuli.
- Rencana Perlindungan 4 Taun: Sadia keur meuli.
Contact information for ACS support can typically be found on their official website or within the software documentation.





