The KR20 wireless unit is a communication device that is easy to install and saves wiring. It is suitable for high-speed wireless communication. It has excellent high-speed response capability, with a speed increase of about 15-20 times compared to specific low-power wireless models. The device can also reduce wiring and installation work, making it suitable for situations where machine and equipment layouts change or wiring is difficult. It uses wireless relay function and can connect up to 99 wireless subunits, achieving efficient communication.
The KR20 wireless unit is a high‑speed (134 kbps) 2.4 GHz wireless communication device designed for industrial automation, supporting RS485 and I/O interfaces and 1:N networking up to 99 sub‑units. It offers fast data transfer (under 0.1 s for tens of bytes) and reduces wiring costs.
The manual covers installation options (panel or DIN‑rail), power requirements (12‑24 V DC), wiring details, terminal arrangements, and configuration software. Safety, regulatory, and environmental guidelines are also provided to ensure reliable operation in harsh industrial settings. This manual is written in Chinese.
| Rated Voltage | 12‑24 V DC |
|---|---|
| Power Consumption (sending) | ≤150 mA |
| Operating Temperature | -10 °C to +50 °C |
| Wireless Communication Distance (outdoor) | ≈250 m |
| Wireless Data Rate | 134 kbps |
| Maximum Sub‑units per Master | 99 |
| Weight | ≈160 g |
The KR20 can communicate up to about 250 m outdoors and about 50 m indoors under good line‑of‑sight conditions.
A single KR20 master can connect to up to 99 wireless sub‑units.
The KR20 operates on a supply voltage of 12 V to 24 V DC.
The device transmits data at a rate of 134 kbps.