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SynField Peripheral Node
In the case of a mulit-node network on the field, SynField PN is designed for supporting installation of sensors and actuators at locations other than that of SynField HN. SynField PN does not communicate with Cloud and therefore SynField HN is required for its operation. SynField PN transmits data to the central node (SynField HN), which further transmits them to Cloud.
HN has 5 connectors for sensors or actuators (electric valves, start / stop pumps or relay pumps). It communicates with SynField HN via RF (IQRF) at 868MHz. It is fully weatherproofed for outdoor use and it has a ESD/lightning protection. Finally, it is energy-independent because it has a built-in solar panel and a rechargeable battery.
Technical Specifications
Sensor input ports | 8 (analog, digital, or pulse sensors) |
Actuator ports | 6 (solenoid valve with latching solenoid, 1 or 2-coil latching relay) |
Logging/Reporting interval | 5 min to 12 h |
Data storage | 8 GB (5-years+ records depending on configuration) |
Memory type | Nonvolatile flash, full data retention with loss of power |
Global position | Integrated GPS receiver |
GPS position accuracy | ±3 m, with good sky view |
Timekeeping | Synchronize automatically with SynField server |
Battery capacity | 4000mAH Lithium Polymer battery |
Battery charging | Solar energy harvesting or external charger |
Cellular specifications | Quad-Band GSM/GPRS cellular module |
Cellular coverage | 150+ countries, with 200+ networks |
Internet downloads | SSL/TLS encrypted |
Enclosure | Weather-, impact-, and UV-resistant polymer |
Enclosure rating | IP56, NEMA 4 |
Enclosure size | 13.5 cm × 19.5 cm × 7.0 cm |
Enclosure access | Hinged door with latches and eyelets for lock or zip tie |
Operating environment | –40 to +60 °C (0%–100% relative humidity) |