RS232 To RS485 RS422 Interface Serial Converter DB9 Female To Terminal Block
DB9 to Terminal Block
DB-9 to 5-pin Terminal Block RS-422485 Adapter
RS232 to RS422 RS485 Interface Converter
RS232 to RS422 RS485 Interface Serial Converter
RS232 To RS485 RS422 Active Digital Isolated Converter
RS-232 Serial Port to RS-485 RS-422 Serial Port Converter
RS232 To RS485 RS422 Interface Serial Converter DB9 Female To Terminal Block
PCM Cable Co., Ltd. is one of the leading rs232 to rs485 rs422 interface serial converter db9 female to terminal block manufacturers and suppliers in China. Welcome to wholesale high quality customized products at discount price from our factory. Contact us for quotation and free sample.
The RS232 to RS485 RS422 interface serial converter is a special conversion device that can convert RS232 serial port signals into RS485 or RS422 differential signals. RS232 serial port communication is a point-to-point unidirectional communication method. There are only signal transmission sources and receiving endpoints on its line, which cannot meet the needs of multi-node communication. RS485 and RS422 communication protocols are multi-node communication protocols that can realize communication between multiple devices on the same line, thereby improving communication efficiency and reliability.
Specifications
| Product name | RS232 To RS485 RS422 Active Digital Isolated Converter |
| Model No. | PCM-KW-472 |
| Connector Types |
DB9 for RS232 Terminal Block for RS485/RS422 |
| Baud Rates | 1,200 to 115,200bps |
| Communication Distance |
RS-232: 16ft (5m); RS-485/RS-422: up to 4000ft (1.2km) at 19,200bps |
| Serial Line Protection |
ESD Protection: 15KV ESD Protection for all signals(for RS-232/422/485) Optical Isolation Protect: 3KV Opto Isolation(for RS-422/485) Surge Protection : 600W Surge Protection for RS-422/485 Signals(for RS-422/485) |
| Features | Dual locking design with front rivet nuts and rear locking screws. One device, two locking options. |
| Hex pillar | #4-40, H4.75*11.8 |
| Screw | #4-40UNC |
| PCBA | KA-1053 REV1.0+Green LED |
| 5P Terminal block | 3.81pitch, Green |
| Application | Industrial automation, industrial control, communication, security, etc. |
Functions
- Convert RS232 signals to 2-wire RS485 or 4-wire RS422 and vice versa.
- The RS232 to RS422 RS485 interface converter can isolate signals and protect equipment safety.
- Since RS232 communication uses a unidirectional circuit, it is easily affected by electromagnetic interference, resulting in the inability of serial port communication to work properly. RS485 and RS422 communication protocols use differential signals to realize data transmission, which can effectively resist electromagnetic interference and improve the reliability of signal transmission.
- The RS-232 serial port to RS-485 RS-422 serial port converter also has multiple functions such as suppressing interference signals, enhancing lightning protection voltage, photoelectric isolation, and power supply isolation. Through the role of the serial-to-serial converter, the risk of signal interference and equipment damage can be avoided, and the stability and reliability of the system can be improved.
Frequently Asked Questions
Q1: What is the difference between RS232, RS485 and RS422?
A1: RS232, RS485, and RS422 are all serial communication protocols, but they have different electrical characteristics and signal transmission methods. RS232 is a unidirectional transmission, usually used for short-distance communication between connecting devices and computers; RS485 and RS422 are bidirectional transmissions, used for long-distance communication between connecting devices or between devices and computers.
Q2: How to choose an RS232 to RS485 RS422 converter that suits you?
A2: When choosing a serial-to-serial converter, you need to consider factors such as communication protocol, data transmission distance, transmission rate, and anti-interference ability. Generally speaking, an isolation converter with reliable quality and excellent performance should be selected according to actual needs.
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