- Contact Person : Ms. betty Miss
- Company Name : Shenzhen Bailingjia Technology Co., Ltd.
- Tel : 86-755-25911778
- Fax : 86-0755-25911778-806
- Address : Guangdong,shen zhen,15A yongfu .guoqi building .shangbu south road .futian district shenzhen
- Country/Region : China
- Zip : 518100
free shipping!! port-powered RS232 to RS485 converters/RS485/RS232 Interface Data Converters/Wholesale & Retail
compatible with EIA IA's RS-232C, RS485 standard, 300bps-115.2kbps, 1200m(RS-485 port) 5m(RS-232 port)
1. GeneralThis product is the interface converter between RS-232 and RS-485. It is powered from serial port(such as COM port of computer ), no outside power needed. Small size, long transmission distance, high rate, stable performance. It applys DB9 common serial port. It is used widely in the field of electricity, industrial automatic control, IC card billing system. It is a high quality low price data interface conversion product.
2. Function & Features
a) Convert RS-232 data transmit (TXD) and data receive (RXD) signal into balance half duplex RS-485 signals.
b) No outside power needed, powered from RS-232 port
c) Point to multiple point
3. Performance parameter
Interface: Compatible with EIA/TIA RS-232C and RS-485 standard
Transmission rate: 0-115,200 bps
Transmission distance: 1,200m(RS-485 end) 5m (RS-232 end)
Working environment: -50 to 70, relative humidity 5% to 95%
4. Pin assignments
RS-232C P
IN explain RS-485 PIN explain
DB9 Felame (PIN) | RS-232C (DCE) |
1 | DCD |
2 | TD |
3 | RD |
4 | DTR |
5 | GND |
6 | DSR |
7 | RTS |
8 | CTS |
DB9 Felame(PIN) | RS485 |
2 | 485- |
7 | 485+ |
5 | GND |
5. Use description
Note: 32 pieces of 485 equipment can be connected to this product.
6. Application field
Point to point communication, industrial gathering and disperse distribution system, all kinds of remote control and measurement system, POS, banking, insurance, stocking, canteen meal selling system, transport billing system, all kinds of PLC, digital power meter, gas meter.
7Pack standardize
100pcs/box
free shipping!! port-powered RS232 to RS485 converters/RS485/RS232 Interface Data Converters/Wholesale & Retail