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DB9 Male RS232 to RS485 RS422 Serial Communication Data Converter Adapter


DB9 RS232 Serial Male to RS485 RS422 Adapter with 5 Pin Terminal Block

DB9 Male RS232 to RS485 RS422 Serial Converter Adapter

RS232 to RS485/RS422 Interface Converter

D-Sub 9 Pin Male, 5 Pin Terminal Block

Serial Port Data Converter

Yellow Shell, Green LED Indicator

DB9 RS232 to RS485 RS422 Adapter is a serial port data converter. It enables the conversion of signals between RS232 and RS485 or RS422 signals, enabling long-distance, multi-port serial data communication. Widely used in the industrial field, it can connect various devices such as PLCs, meters, and sensors, ensuring efficient data transfer over extended distances with enhanced signal integrity.


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Description


Introduction:

DB9 Male RS232 to RS485 RS422 Serial Communication Data Converter Adapter is designed to convert RS232 input signals to RS485 or RS422 output signals. It enables communication between devices utilizing different protocols, supporting seamless data exchange. Featuring a DB9 male connector for RS232, and 5 pin terminal block for RS485 or RS422, it is widely used in industrial automation, instrumentation, and control systems, ensuring stable and reliable communication over longer distances. Premier Cable P/N: PCM-KW-474

Specification:

Type USB to RS232 485 422 Converter
Product Name DB9 Male RS232 to RS485 RS422 Serial Communication Data Converter Adapter
Drawing No. PCM-KW-474
Connector A D-Sub 9 Pin Male; Behind Riveting Straight-through Nut, #4-40
Connector B 5 Pin Terminal Block; 3.81 Pitch; Green
Input Signal RS232
Output Signal RS485, RS422
Terminal Block Wiring 16 to 28AWG
Screw #4-40UNC
Color Yellow, Or OEM
Data Link Protocol RS232, RS485, RS422

Features:

  1. Compatibility: It supports the signal conversion of RS232 into RS485/RS422, allowing seamless communication between devices using different serial communication standards.
  2. LED Status Indicator: Features an LED indicator to show power, data transmission, and reception status, providing real-time monitoring for diagnostics and troubleshooting.
  3. Long-distance Communication: RS485 and RS422 are suitable for long-distance data transfer. It enables reliable long-distance communication by converting RS232 input signals to RS485 or RS422 output signals.
  4. Wiring Modes: Capable of operating in both half-duplex and full-duplex modes, offering great flexibility in communication setups.

Differences between RS232, RS485, and RS422:

RS232, RS485, and RS422 are all common serial communication standards, but they are different in terms of communication distance, voltage levels, wiring modes, and the number of devices supported in a network. The following table shows the main differences:

RS232 RS485 RS422
Max. Communication Distance 15m 1200m 1200m
Voltage Level -15V to +15V Differential Signal Transmission Differential Signal Transmission
Wiring Mode

Half-Duplex

(TX, RX, GND)

Half-Duplex or Full-Duplex

(A+, B-, GND)

Full-Duplex

(Tx+, TX-, RX+, RX-, GND)

Number of Supported Devices

Two Devices

(Point-to-Point)

32 Slaves, Or More

(Multi-Point)

10 Slaves, Or More

(Multi-Point)

Drawing:

DB9 Male RS232 to RS485 RS422 Serial Communication Data Converter Adapter manufacture

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