RS485/422신호 변환기 사용설명서 - realsys.co.kr

1 1 USB rs485 /422 rs485 /422 CNV485/422UI - : 799 319 Tel. 031-420-4326 Fax. 031-420-4329 : 031-420-4328 2 RS232 rs485 /422 . 7BJ(,)#(&&I= z 9 RS232C rs485 /422 (Isolation) 9 USB , 9 Virsual Com USB to rs485 /422 9 USB 9 Surge Protect 9 Tx-Enable . (RTS, CTS, DTR, DTE ) 9 Status LED (TXD, RXD) z USB485/422UI (1EA), DeviceDRV CD (1 ), USB (1EA), (1 ) z Е O %Q : : S/W ON N, P 120 . ( ( ) SW : 485 S/W ON(S/W ) 485.))

2 OFF(S/W ) , 422 . TXD+: Positive TXD-: Negative RXD+: Positive RXD-: Negative SG : shield ( ) :22mm :56mm 77mm 3 z Фл O &Q (1 : , 2 : , ON) CNV485/422UI 485 422 CNV485/422UI USB PC . , CD DeviceDRV Device Driver . USB485/422UI Client rs485 /422 . O 'Q (&& (CNV485/422UI ) (Client 422 ) RS422 422 , TXD+ client RXD+ , TXD- client RXD- , RXD+ client TXD+ , RXD- TXD- [ 3] Client RS422.)

3 TXD+ TXD- RXD+ RXD- SG TXD+ TXD- RXD+ RXD- SG USB cable * * 1)RT: ( ON ) 2) rs485 /422: 485 ( ON ) 422 . 4 O (Q (,) (485/422SI ) (Client 485 ) 485 rs485 ON , TXD+ RXD+ , TXD- RXD- . [ 4] (TXD+,RXD+)=>P , (TXD-,RXD-)=>N Client rs485 A(P),B(N) . , => => => => => LPT . O )Q IG6 GYf]U` Dcfh Client Serial COM.

4 TXD+ TXD- RXD+ RXD_ SG A(P) B(N) (P ) (N ) 5 : ON ( 120 ), . , 1:1 Host Client , 1:N Host Client . O *Q 9 O +Q FG(,) З Ц Фл HOST rs485 Client rs485 Client rs485 Client rs485 Client rs485 *Tip Master 1 Client 2 Client , 2 3 Client .. Client Host , . 6 z 0E 52 rs485 /422 LED ? - rs485 /422 , .. CNV485UI TXD RXD ?

5 - TXD : rs485 /422 . - RXD : rs485 /422 . rs485 /422 ? - .. ? , , Shield . ( rs485 , Slave .) z H9GH Фл 1. TXD+ RXD+ . TXD- RXD- . [ 3] 2. 422 , USB PC . RS422 (Full Duplex ) , . 3. => => => => . O ,Q 7 4. 000 , . O -Q 5. COM . O %$Q 6. , . O %%Q 8 7.

6 , .. O %&Q 8. => => ASCII (A).. O %'Q O %'Q ( ) . rs485 /422 , , .. (echo test)