According to pv magazine international.

The American company Tigo Energy has developed a new device that facilitates the rapid shutdown of large-scale solar power plants. Pure Signal technology works with emergency stop devices (Rapid Shutdown System in English, or RSS) developed by the company which specializes in optimizing DC power. Tigo said the new product was specifically designed for complex, large-scale installations in the commercial and industrial solar energy segments.

“Designed to improve the signal quality of Power Line Communication (PLC) communication, Pure Signal technology reduces the effects of electromagnetic interference in large-scale solar systems,” the manufacturer said. “Built on patented advanced rapid shutdown technology, Tigo’s RSS transmitters with Pure Signal technology are compatible with leading solar inverters on the market and offer solar installers and EPCs increased flexibility in design and installation, while significantly reducing system balance (BOS) and labor costs. »

At the transmitter, the device has an input voltage of 12 V and an input current of 1 A, with an average and maximum consumption of 0.85 and 5.5 W respectively. It measures 38 mm x 41.3mm x 90.9mm and has an IP68 enclosure.

According to Tigo Energy, the device eliminates the risk of disturbances in the signals of industrial programmable logic controllers (PLC or PLC in English for programmable logic controller), as “crosstalk” can reduce communications efficiency in large-scale systems. The new product has been certified by the company Underwriters Laboratories which is based in the United States. It is compatible with hundreds of inverter models.

“The new generation of RSS transmitters with Pure Signal technology are compatible with the company’s TS4-AF and TS4-A-2F family of emergency stop devices and can be integrated into new projects as well as into existing facilities,” said Tigo Energy.

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