EasySync ES-R-2 01-M Series, Руководство пользователя

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Document Reference No.: ES_000011
ES-R-2x01-M RS232 to RS422 / RS485 Converter User Guide
Version draft
Clearance No.: ES#*
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©2009 EasySync Ltd.
13
3.2
RS485 Signal Wiring
3.2.1 RS485 Two-wire half-duplex
ES-R-2x01-M Direction RS485 Device/s
1
1 TxD- (A)  Data- (A)
2 TxD+ (B)  Data+ (B)
5 GND (C)  GND (C)
Table 3.3 – RS485 Wiring – Half Duplex
3.2.2 RS485 Four-wire full-duplex
ES-R-2x01-M Direction RS485 Device/s
2
1 TxD- (A)  RxD- (A)
2 TxD+ (B)  RxD+ (B)
3 RxD+ (B)  TxD+ (B)
4 RxD- (A)  TxD- (A)
5 GND (C)  GND (C)
Table 3.4 – RS485 Wiring – Full Duplex
1
Can be multiple RS485 devices sharing the same wiring
2
Can be multiple RS485 devices sharing the same wiring
Preliminary