3Wire RS2S2 Dual Master Isolated RS485 Hub: 马来西亚的首选 Saturn Pyro Sdn Bhd

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Introduction

3Wire RS2S2 is a high-performance RS-485 hub designed for use in environments with complex electromagnetic interference. It supports data transmission rates of up to 115.2 kbps.

To ensure safe and reliable communication, RS2S2 incorporates optoelectronic isolation technology along with 600W surge protection.

The built-in optoisolator provides up to 2,500V isolation, offering strong protection against lightning surges and ESD.

Features

External SMPS power supply, which eliminates common ground interference and enhances suitability for outdoor applications.
Automatic data direction control for RS-485 communication, allowing the device to detect data flow direction and switch accordingly.
Effectively solves RS-485 communication time delay issues.

Specification

Standards	:	RS-485 (EIA/TIA compliant)
Interface	:	RS-485 Input: 4-pin terminal block RS-485 Output: 6-pin terminal block
Transmission Media	:	Twisted-pair or shielded cable
Communication Mode	:	Asynchronous half-duplex
Power Supply	:	9–40V DC, 500mA
Indicators	:	LED status indicators for Power (PWR), Transmit (TXD), and Receive (RXD)
Isolation Voltage	:	2,500V RMS 500V DC (with DC/DC isolation module)
Baud Rate	:	300 bps to 115.2 kbps
Protection Features	:	600W lightning and surge protection per RS-485 line ±15kV ESD protection
Transmission Distance	:	0 to 3,000 meters (dependent on baud rate: 115.2 kbps to 300 bps)
Dimensions	:	80 × 50 × 31 mm
Operating Environment	:	Temperature: –40°C to +85°C Relative Humidity: 5% to 95% (non-condensing)

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