Selectronic Wireless RS485 Link SP PRO to Fronius - 005075
Selectronic Wireless RS485 Link SPPRO to Fronius 005075:
The wireless link uses the same frequency band as WiFi (2.4GHz). Any obstructions between the two devices or interference from other devices using the same frequency band (other Bluetooth or WiFi devices) will have a significant impact on their range.
To achieve the maximum range of 200m there must be line of sight between the two devices with no interference. As a rule of thumb, each obstruction that is equivalent to a stud wall will reduce the distance by about 20%. Mud brick walls, double brick or concrete walls will have a much larger impact on the range.
Any obstruction from the landscape such as levy banks, hills or undulating land will totally block the signal so the wireless link will not function. If more than one wireless link is required within the same installation (such as a three phase system), then the interference between the devices will further reduce the distance. In this case patch antenna must be used on the SP PRO end of link and recommended at Fronius End of the link.
NOTE: The Fronius wireless link can only be used between the SP PRO and the first Fronius inverter. Any subsequent Fronius inverters must be hard wired, in a daisy chain, back to the first Fronius.
- Connects between the SP PRO and the first Fronius inverter to provide communications.
- Compatible with Selectronic SP PRO 2I single, dual and three phase inverters.
- Suitable for Selectronic Certified Fronius inverters.
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