Waveshare RS232 TO RS485 User Manual

RS232 TO RS485 User Manual
Revision: V1.0, Date：20200620
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RS232 TO RS485
User Manual
Introduction
This is a RS232 vs RS485 asynchronous bidirectional convertor, which features electromagnet
isolation. The internal TVS bidirectional transient suppression diode and detonator to protect the
device from unstable working.

Waveshare RS232 TO RS485 Specifications

General

Interface	RS232, RS485
RS232 Connector	DB9 Female
RS485 Connector	Terminal Block
Function	RS232 to RS485 conversion
Power	5V
Baud Rate	300bps to 115200bps
Operating Temperature	-40°C to 85°C
Communication Distance	Up to 1200m
Isolation Voltage	2500V

Summary

Introduction to RS232 to RS485 Converter

Converter Description

This bidirectional converter features electromagnet isolation and TVS protection for unstable environments.

Product Information

About the Product

Details about the RS232 vs RS485 converter, including its compatibility, isolation, and protection features.

Key Features

Highlights include stable transmission, unibody magnetic isolation, and a switchable 120R terminal resistor.

Specifications

Defines product type, baud rate, interface details for RS232 and RS485, and environmental operating conditions.

Interfaces and Pinouts

Interface Types

Describes the RS485 RJ45 Connector, RS485 Screw Terminal, and DC-005 Power Input.

Pinout Definitions

Details the pin assignments for RS232 DB9 Female and RS485 RJ45 interfaces.

Device Operation and Testing

Indicator Lights

Explains the function of PWR (Power), TXD (Transmit), and RXD (Receive) indicators.

Dimensions

Provides the physical dimensions of the converter in millimeters.

Hardware Testing Procedure

Outlines preparation, required devices, and hardware connection steps for testing the converter.