Radio Transmission System Tree Topology Teilnehmer mit RS485-Schnittstelle
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- External antenna (RG58 RP-SMA connection)
- External terminal strip
- Integrated signal strength indicator
- Configuration via DIP switch
- Modbus RTU (RS485)
- Self-organizing tree structure
- Repeater for extension of network
- Deterministic data transfer
- Frequency hopping FHSS
- Time Division Multiplex Access TDMA
- Transmission power: 63 mW, 18 dBm conducted, ð 20 dBm EIRP
- Inputs: 2 x NPN, 2 x 0…20mA
- Outputs: 2 x NMOS, 2 x Switch Power
- FlexPower: 10…30 VDC mains supply or 3.6 VDC via external battery DX81-NB
Functional principle
The DX80 Data Radios are self-organizing. They create a network in tree topology. They transfer Modbus RTU telegrams or other data from other bus systems. The telegrams are routed through the network and lost radio communication is compensated via alternative routes. Further sensors can be added to the network and their data is accessible via internal registers. Each network consists of a master and an unlimited number of repeaters or slaves. The device type is adjusted via DIP switch. This system can be combined with several DX80 networks to transfer data from the DX80 gateway via Modbus RTU to the control system. FCC-ID UE300DX80-2400. This device complies with FCC para. 15, subpara. C, 15.247 ETSI/EN: In compliance with EN 300 328: V1.8.1 (2014-04) IC: 7044A-DX8024 Radiation protection 10 V/m for 80-2700 MHz acc. to EN 61000-6-2 Shock and vibration resistant: IEC 68-2-6 and IEC 68-2-7
Mechanical data
| Relative humidity | from 0 to 95 % |
| Ambient temperature | from -20 to 80 °C |
| Antenna connection | RP-SMA female connector |
| Design | Rectangular, DX80DR |
| Housing material | Plastic, FR4 circuit board |
| Degree of protection (IP) | IP00 |
Wireless data
| Topology | Star topology |
| Spread spectrum technology | FHSS (Frequency Hopping Spread Spectrum) |
| Device type | Node |
| Response time typical | < 1000 ms |
| Function | Tree topology |
| Channel width | 1 MHz |
| Output power ERP | 18 dB/65 mW |
| Installation | stationary |
| Type of radio | short-range |
| Number of radio channels | 50 |
| Single-Carrier Residence Time | 7.8 ms |
| Frequency band | 2.4-GHz ISM band |
| Frequency range | from 2402000000 to 2483000000 Hz |
| Output power EIRP | 20 dB/100 mW |
Electrical data
| Display operating voltage | LED, Green |
| Battery solution | Yes |
| Operating voltage | from 3.6 to 5.5 V |
I/O data
| Number of channels | 2, 2 |
| Output type | NMOS, switch power |
| Input type | NPN, 0…20 mA |
| Communication protocol | Modbus RTU |
| Communication protocol | RS485 |
Tests/approvals
| Type code | Ident no. Dimension drawing |
| Approvals | ATEX |
Other
| Design | Quader |
| Housing material | Kunststoff |