MORNSUN TDx22D485H-A series 2-channel isolation transceiver for RS485
MORNSUN has announced the TDx22D485H-A series 2-channel 485 isolation transceiver module, to assist fast signal response in industries including power grid, industrial control, transportation and instrumentation. The main function of the series is to convert a logic level signal into isolated RS485 differential level signals.
The special integrated IC technology of the RS485 transceiver achieves isolation between the power supply and the signal lines isolation, enables RS485 communication and protects the bus all in one and the same module. The transceiver adopts MORNSUN’s fixed input R3 technology by applying an independent oscillator instead of the Royer circuit, integrating internal discrete components. This is better suited to full dynamic load applications, according to the company, and is designed to increase the communication reliability of products.
Product advantages include: a high baud rate up to 120 Kbps; 2-channel isolation, supporting full-duplex communication mode; and highly integrated internal construction.
The product’s isolated power supply withstands a test voltage of up to 3000 VDC. In addition, the product features an automatic switching function that no longer requires the need to pass through the node to send and receive control signals; this reduces design complexity. It can easily be embedded in the end-user’s equipment, to achieve fully functional RS485 network connections.
Other features include: an integrated, high-efficiency isolated DC/DC converter; three-port isolation of 2.5 kVDC; an operating temperature range of -40 to +85°C; and ESD protection, complete EMC recommended circuit. The bus is able to support a maximum of 32 nodes.
Originally published here.
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