Product Description:
- RS-232 side in DB9 female
- RS-485 side in binding post
- Max connection: 32 RS485/422 devices
- Max distance: 1.2 KM.
- Baud rate: 300BPS-115.2KBPS
- Size:61mm x 41mm x 21mm
- Environment: -40 C to 85 C,
- Relate humidity 5-95%
Protection:
2kA surging and grounding interference protection for RS-485
Application fields:
- Factory automation system
- Distributed control system
- Other RS232/485/422 serial devices wireless network
- LED INFO display equipment
- PLC control and management
- SCADA, measuring instruments and monitoring system
- CNC management
- Medical treatment/medication automation
- Building automation
- Check on work attendance/ Human resource management
RS232 Pin Configuration:
| DB9 Female (PIN) | RS232C pin assignment |
| 1 | Data Carrier detected |
| 2 | Receive Data SIN (RXD) |
| 3 | Send Data SOUT (TXD) |
| 4 | Data Terminal Ready (DTR) |
| 5 | Signal ground (GND) |
| 6 | Data Set Ready (DSR) |
| 7 | Request to send (RTS) |
| 8 | Clear to Send (CTS) |
| 9 | Ring indicator (RI) |
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RS485/RS422 Data/Signal Pinout:
| Pin # | Pin assignment | RS422 configuration (Full Duplex) | RS485 configuration
(Half Duplex) |
| 1 | T/R+ | A+ | RS-485 (A+) |
| 2 | T/R- | A- | RS-485 (B-) |
| 3 | RXD+ | A+ | NC |
| 4 | RXD- | B- | NC |
| 5 | GND | GND | GND |
| 6 | VCC | 9±1V/ 50mA | NC |
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