ZT-823 Access Control Attendance Controller is designed for automatic door locks and security systems, using proximity cards as electronic password keys, enhancing security and reliability. The controller can independently perform card recognition, attendance record storage, access monitoring, and other functions.
The ZT-823 is an access control and attendance controller designed for automatic door locks and security systems. It uses EM cards as electronic keys, supports RS485 communication up to 1200 m, and can connect up to 32 controllers on a single bus.
This manual covers product introduction, performance specifications, installation steps, wiring diagrams, and a detailed FAQ with troubleshooting tips and special configuration notes. This manual is written in Chinese.
| Maximum cards per controller | 1360 |
|---|---|
| Working voltage | 7V‑12.8V |
| Working current (excluding lock) | 50 mA |
| ID card frequency | 125 kHz |
| Reading distance | 8 cm‑15 cm |
| Maximum attendance records stored | 12 288 |
| Maximum communication distance | 1200 m |
| Maximum controllers on RS485 bus | 32 |
The power supply may be connected backwards or the voltage is outside the required 7 V‑12 V range.
A short three‑beep tone means the card is invalid or has expired.