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Transcript
Connection Between Host and ND-6520 ND-6520 RS-232 rGND pTXD oRXD Host RS-232 GND r TXD p RXD o ND-6520 RS-232 to RS-485/ RS-422 converter Host Computer DATA + DATA - RS-232 +Vs GND Figure 2-2 Connection Between Host and ND-6520 RS-422 Application Wiring TX+ RX+ TX- RX- RX+ TX+ RX- TXRS-422 Device Figure 2-3 RS-422 Application Wiring 24