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Isolated RS232 to RS485 Converter

View : 307
Type : RS232 to RS485 Converter
Description :

This Isolated RS232 to RS485 Converter realizes active isolation conversion between RS232 and RS485 and adopts a 2500V isolation voltage DC-DC isolation power supply.

Overview

This Isolated RS232 to RS485 Converter realizes active isolation conversion between RS232 and RS485 and adopts a 2500V isolation voltage DC-DC isolation power supply. Serial port power theft technology is not used, and the communication signal adopts high-speed optocoupler isolation.

 

The RS232 and RS485 ports have 3-level lightning protection, which meets the GB/T17626.5 (IEC61000-4-5) standard for short-circuit current waves of 10/700μs and open-circuit peak output voltage of 6KV with an internal resistance of 40 ohms. The communication distance can reach up to 1800 meters, making it widely used in complex industrial systems.

Photo

Isolated RS232 to RS485 Converter

Features

RS232-RS485 with self-adaptive baud rate ranging from 300 to 256K.

The device is powered by a DC-DC power supply with an isolation voltage of 2500V, communication signals are isolated using high-speed optocouplers to prevent serial port power theft and improve device compatibility.

RS232 and RS485 interfaces are protected by 3-level lightning protection that meets the GB/T17626.5 (IEC61000-4-5) standard, with a short-circuit current wave of 10/700μs and an open-circuit peak output voltage of 6KV and an internal resistance of 40 ohms.

It has a wide input voltage range (DC5-70V) and can automatically detect the polarity of the DC power source. It also has built-in self-recoverable fuses and supports overload protection and reverse connection protection.

It is compliant with industrial EMC requirements.

It has strong anti-lightning capabilities, able to withstand lightning strikes, high voltage induction, and surge protection.

It can be mounted on a DIN rail or wall.

Working temperature: -40℃ to +85℃.

The device has passed 100% burn-in testing.

Parameters

● Serial Port

Standard:

    EIA/TIA-232 RS-232 (ITU-T V.28)

    EIA/TIA-485 RS-485 (ISO/IEC8284)

Serial interface:

RS-232: DB9 female connector

RS-485: 2/4-wires

Below: SG = Signal Ground

RS-232: TxD(DB9-2), RxD(DB9-3), SG(DB9-5)

Internal Circuit: RTS to CTS, DTR to DSR and DCD

RS-485 2 wires: A (corresponding to TX+), B (corresponding to TX-), SG

 

● LED Indicator Light

Name

Color

State

Description

PWR

 

green

 

On

Power is connected

Off

Power is not connected

232

 

green

 

Flash

RS232 interface has data reception

Off

RS232 interface no data reception

485

 

green

 

Flash

RS485 interface has data reception

Off

RS485 interface no data reception

 

● Working Environment   

Working temperature: -40°C – +85°C

Storage temperature: -40°C – +85°C

Working humidity: 0% – 95% (no condensation)

MTBF: >100,000 hours

Specifications

Product Model

FCC-D1J

Function Description

Lightning protection opto isolated RS232 to RS485 converter

Port Description

1*RS232 port; 1*485 port

Power Supply

Power input: DC9-70V;  Power consumption: <1W

Overload protection: support;  Reverse connection protection: support;

Access terminal: 2-pin 5.08mm pitch screw terminal

Product Size

Dimensions: 97mm(L) x 54mm(W) x 32mm(H)

Mounting method: 35mm DIN rail mount, wall-mounted

size

Weight

0.072KG/PCS

Application

application of 232-485 converter

                   

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