Wireless System – Serial Data Transmission in Tree Topology Serial Radio Pairs
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- Protection class IP65
- M30 × 1 mech. screw-in thread
- Connection via M12 × 1 male connector, 5pin
- Radio range of 1 km
- Max. package size of 1500 bytes
- Transfer rate of 250 kbps
- RS485 interface: Half-duplex, 9.6 kBd/19.2 kBd, 8 data bits, 1 stop bit, parity none
- Operating voltage: 10…30 VDC
Functional principle
The R70 serial radios transmit serial data via the RS485 interface over distances of up to 1 km. The following topology options can be selected: point-to-point, star or tree. Each network consists of a master and at least one slave. Repeaters extend the radio range. The device type is determined via internal DIP switches. There is no software required to connect and adjust the devices. Directives: FCC ID: UESX243 This device complies with FCC para. 15, subpara. C, 15.247: IC: 7044A-SX243 ETSI/EN: In compliance with EN 300 328: V1.7.1 (2006‐05) IC: 7044A‐DX8024 Radiation protection 10 V/m for 80… 2700 MHz acc. to EN 61000-6-2 Shock and vibration resistance: IEC 68-2-6 and IEC 68-2-7
Mechanical data
| Relative humidity | from 0 to 95 % |
| Elektrischer Anschluss | Connector, M12 × 1 |
| Ambient temperature | from -40 to 85 °C |
| Antenna connection | Internal (wire loop) |
| Design | Rectangular, R70SR |
| Housing material | Plastic, PC, Black |
| Degree of protection (IP) | IP65 |
| Abmessung | Ø 70 x 87.1 mm |
Electrical data
| DC rated operational current | ≤ 20 mA |
| Display operating voltage | LED, Green |
| Battery solution | nein |
| Operating voltage | from 10 to 30 V |
Wireless data
| Topology | Tree topology |
| Topology | Star topology |
| Topology | Point-to-point with repeater |
| Topology | Point-to-point |
| Spread spectrum technology | FHSS (Frequency Hopping Spread Spectrum) |
| Device type | Node |
| Function | Tree topology |
| Channel width | 1 MHz |
| Output power ERP | 18 dB/65 mW |
| Range | 1000000 mm |
| 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 |
Tests/approvals
| Approvals | ATEX |
| Approvals | CE |
| Approvals | CSA |
I/O data
| Communication protocol | RS485 |
| Communication protocol | Modbus RTU |
Other
| Design | Quader |
| Housing material | Kunststoff |
| Connector type | M12 |