[Interface]:RS485
[Poids]:72.4g±5g
[Fonctionnalité]:ZigBee ad hoc network
[Introduction]:E180-DTU (ZG120-485) est un dispositif de communication sans fil basé sur la technologie ZigBee. En tant que moyen de communication, comme la fibre optique, les micro-ondes et le câble, il a un certain champ d'application, il fournit une transmission de données en temps réel et fiable des signaux de surveillance dans un réseau privé sous certaines conditions spéciales. Il est peu coûteux, facile à installer et à entretenir, possède une forte capacité de diffraction, une structure de réseau flexible et une longue portée.
| No. | Item | Function | Description |
|---|---|---|---|
| 1 | VCC | Crimped power connector, positive | DC 8 ~ 28V, 12V or 24V is recommended |
| 2 | GND | Crimped power connector, negative | The negative of the power supply is connected to the system ground and the case |
| 3 | AGND | Public ground interface | It can be connected to external grounding terminal or not handled |
| 4 | RS485-B | Serial terminal | Output, connected to port B of other RS485 device |
| 5 | RS485-A | Serial terminal | Input, connected to port A of other RS485 device |
| 6 | PWR-LED | Power Indicator | Red, always on when power is on |
| 7 | TXD-LED | Send indicator | Yellow, blinking when sending data |
| 8 | RXD-LED | Receive indicator | Yellow, blinking when receiving data |
| 9 | LINK-LED | Connection indicator | Red, always on when connected to the network, off when not connected |
| 10 | RUN-LED | Device working status indicator | Red, the device is busy when the light is off, and the device is idle when the light is on |
| 11 | Baud rate reset switch | Tact Switch | Long press for more than 1s to reset the baud rate(115200) |
| 12 | Antenna interface | SMA-K interface | Externally threaded female hole, 10mm long, characteristic impedance 50Ω |