Seriell RS-232 zu RS-422/485 Konverter
6. Verdrahtungsübersicht und Pin-Belegung
RS422 4-Draht Modus
DB9 (RS422 to USB Cable)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
RS485 2-Draht Modus
DB9 (485 to USB Cable)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
Pinbelegung DB-9 Stecker
9 Pin D-SUB Stecker
Pin Signal
1
TXD- (DATA-)
2
TXD+ (DATA+)
3
RXD+
Pin Signal
Pin Signal
4
RXD-
7
5
GND
8
6
NC
9
7
(RS422 Device)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
(RS485 Device)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
NC
NC
NC
DB 9M