关于rs232与rs485通讯接口.mht

关于RS232与RS485通讯接口

      <DIV align=3Dleft><FONT size=3D5><B><FONT=20
      =
size=3D2>(=B4=F3=D1=A7=B5=C4=CA=B1=BA=F2=D1=A7=B9=FD,=B9=A4=D7=F7=CA=B1=BE=
=AD=B3=A3=D3=F6=B5=BD,=BF=C9=CA=C7,=BA=DC=B6=E0=CA=B1=BA=F2=B8=E3=B2=BB=C7=
=E5=B3=FE=D4=AD=C0=ED=CB=F9=D4=DA.=BD=F1=CC=EC=D5=D2=B5=BD=C6=AA=CB=B5=C3=
=F7=CE=C4=D5=C2.)</FONT></B></FONT></DIV>
      <DIV align=3Dleft><FONT size=3D5><B><FONT size=3D2>RS232 =
=CD=A8=D1=B6=D4=AD=C0=ED ? RS485=CD=A8=D1=B6=D4=AD=C0=ED=A3=BFRS422=20
      =CA=C7=CA=B2=C3=B4=A3=BF</FONT></B></FONT></DIV>
      <DIV align=3Dleft><FONT size=3D5><B><FONT =
size=3D2>RS485=BD=D3=CF=DF=B5=C4=D5=FD=C8=B7=D4=AD=C0=ED=CD=BC=20
      =
=B3=A3=BC=FB=B5=C4RS485=B4=ED=CE=F3=BD=D3=CF=DF</FONT></B></FONT></DIV>
      <DIV=20
      =
align=3Dleft>RS-232=CA=C7=B4=AE=D0=D0=CA=FD=BE=DD=BD=D3=BF=DA=B1=EA=D7=BC=
=A3=AC=D7=EE=B3=F5=B6=BC=CA=C7=D3=C9=B5=E7=D7=D3=B9=A4=D2=B5=D0=AD=BB=E1=A3=
=A8EIA=A3=A9=D6=C6=B6=A9=B2=A2=B7=A2=B2=BC=B5=C4=A3=ACRS-232=D4=DA1962=C4=
=EA=B7=A2=B2=BC=A3=AC=C3=FC=C3=FB=CE=AAEIA-232-E=A3=AC=D7=F7=CE=AA=B9=A4=D2=
=B5=B1=EA=D7=BC=A3=AC=D2=D4=B1=A3=D6=A4=B2=BB=CD=AC=B3=A7=BC=D2=B2=FA=C6=B7=
=D6=AE=BC=E4=B5=C4=BC=E6=C8=DD=A1=A3RS-422=D3=C9RS-232=B7=A2=D5=B9=B6=F8=C0=
=B4=A3=AC=CB=FC=CA=C7=CE=AA=C3=D6=B2=B9RS-232=D6=AE=B2=BB=D7=E3=B6=F8=CC=E1=
=B3=F6=B5=C4=A1=A3=CE=AA=B8=C4=BD=F8RS-232=CD=A8=D0=C5=BE=E0=C0=EB=B6=CC=A1=
=A2=CB=D9=C2=CA=B5=CD=B5=C4=C8=B1=B5=E3=A3=ACRS-422=B6=A8=D2=E5=C1=CB=D2=BB=
=D6=D6=C6=BD=BA=E2=CD=A8=D0=C5=BD=D3=BF=DA=A3=AC=BD=AB=B4=AB=CA=E4=CB=D9=C2=
=CA=CC=E1=B8=DF=B5=BD10Mb/s=A3=AC=B4=AB=CA=E4=BE=E0=C0=EB=D1=D3=B3=A4=B5=BD=
4000=D3=A2=B3=DF=A3=A8=CB=D9=C2=CA=B5=CD=D3=DA100kb/s=CA=B1=A3=A9=A3=AC=B2=
=A2=D4=CA=D0=ED=D4=DA=D2=BB=CC=F5=C6=BD=BA=E2=D7=DC=CF=DF=C9=CF=C1=AC=BD=D3=
=D7=EE=B6=E010=B8=F6=BD=D3=CA=D5=C6=F7=A1=A3RS-422=CA=C7=D2=BB=D6=D6=B5=A5=
=BB=FA=B7=A2=CB=CD=A1=A2=B6=E0=BB=FA=BD=D3=CA=D5=B5=C4=B5=A5=CF=F2=A1=A2=C6=
=BD=BA=E2=B4=AB=CA=E4=B9=E6=B7=B6=A3=AC=B1=BB=C3=FC=C3=FB=CE=AATIA/EIA-42=
2-A=B1=EA=D7=BC=A1=A3=CE=AA=C0=A9=D5=B9=D3=A6=D3=C3=B7=B6=CE=A7=A3=ACEIA=D3=
=D6=D3=DA1983=C4=EA=D4=DARS-422=BB=F9=B4=A1=C9=CF=D6=C6=B6=A8=C1=CBRS-485=
=B1=EA=D7=BC=A3=AC=D4=F6=BC=D3=C1=CB=B6=E0=B5=E3=A1=A2=CB=AB=CF=F2=CD=A8=D0=
=C5=C4=DC=C1=A6=A3=AC=BC=B4=D4=CA=D0=ED=B6=E0=B8=F6=B7=A2=CB=CD=C6=F7=C1=AC=
=BD=D3=B5=BD=CD=AC=D2=BB=CC=F5=D7=DC=CF=DF=C9=CF=A3=AC=CD=AC=CA=B1=D4=F6=BC=
=D3=C1=CB=B7=A2=CB=CD=C6=F7=B5=C4=C7=FD=B6=AF=C4=DC=C1=A6=BA=CD=B3=E5=CD=BB=
=B1=A3=BB=A4=CC=D8=D0=D4=A3=AC=C0=A9=D5=B9=C1=CB=D7=DC=CF=DF=B9=B2=C4=A3=B7=
=B6=CE=A7=A3=AC=BA=F3=C3=FC=C3=FB=CE=AATIA/EIA-485-A=B1=EA=D7=BC=A1=A3=D3=
=C9=D3=DAEIA=CC=E1=B3=F6=B5=C4=BD=A8=D2=E9=B1=EA=D7=BC=B6=BC=CA=C7=D2=D4=A1=
=B0RS=A1=B1=D7=F7=CE=AA=C7=B0=D7=BA=A3=AC=CB=F9=D2=D4=D4=DA=CD=A8=D1=B6=B9=
=A4=D2=B5=C1=EC=D3=F2=A3=AC=C8=D4=C8=BB=CF=B0=B9=DF=BD=AB=C9=CF=CA=F6=B1=EA=
=D7=BC=D2=D4RS=D7=F7=C7=B0=D7=BA=B3=C6=CE=BD=A1=A3=20
      =
<BR><BR>=B1=B8=D7=A2=A3=BA=D2=D4=C9=CF=CA=C7=B9=D9=B7=BD=B5=C4=D7=A8=D2=B5=
=C3=E8=CA=F6=A3=AC=20
      =
=BF=B4=B2=BB=B6=AE=C3=BB=D3=D0=B9=D8=CF=B5=A3=AC=B4=F3=D6=C2=D3=D0=B8=F6=D3=
=A1=CF=F3=BE=CD=BF=C9=D2=D4=C1=CB=A3=AC=D3=D0=D0=CB=C8=A4=B5=C4=BF=C9=D2=D4=
=C9=CF=CD=F8=BF=C9=D2=D4=C2=F2=D2=BB=D0=A9=D7=A8=D2=B5=CA=E9=BC=AE=D7=F6=C9=
=EE=C8=EB=D1=D0=BE=BF=A3=AC=CE=D2=D4=D9=D3=C3=CD=A8=CB=D7=B5=C4=D3=EF=D1=D4=
=B2=B9=B3=E4=C3=E8=CA=F6=D2=BB=CF=C2=A1=A3 <BR></DIV>
      <DIV =
align=3Dleft><B>RS232=CD=A8=D1=B6=B5=C4=BB=F9=B4=A1=D6=AA=CA=B6</B>=A3=BA=
</DIV>
      <DIV align=3Dleft><IMG=20
      onclick=3D"if(this.width>=3D700) =
window.open('http://www.wiegand.com.cn/jisupeixunban/pic/RS232jiexiantu.j=
pg');"=20
      =
src=3D"http://www.wiegand.com.cn/jisupeixunban/pic/RS232jiexiantu.jpg"=20
      =
onload=3D"if(this.width>'700')this.width=3D'700';if(this.height>'700')thi=
s.height=3D'700';"=20
      border=3D0> </DIV>
      <DIV =
align=3Dleft>RS232=CD=A8=D1=B6=D3=D6=BD=D0=B4=AE=BF=DA=CD=A8=D1=B6=B7=BD=CA=
=BD=A1=A3=CA=C7=D6=B8=BC=C6=CB=E3=BB=FA=CD=A8=B9=FDRS232=B9=FA=BC=CA=B1=EA=
=D7=BC=D0=AD=D2=E9=D3=C3=B4=AE=BF=DA=C1=AC=BD=D3=CF=DF=BA=CD=B5=A5=CC=A8=C9=
=E8=B1=B8=A3=A8=BF=D8=D6=C6=C6=F7=A3=A9=BD=F8=D0=D0=CD=A8=D1=B6=B5=C4=B7=BD=
=CA=BD=A1=A3=20
      =
<BR><BR>=CD=A8=D1=B6=BE=E0=C0=EB=A3=BA9600=B2=A8=CC=D8=C2=CA=CF=C2=BD=A8=D2=
=E9=D4=DA13=C3=D7=D2=D4=C4=DA=A1=A3 =
<BR><BR>=CD=A8=D1=B6=CB=D9=C2=CA=A3=A8=B2=A8=CC=D8=C2=CA Baud =
Rate=A3=A9=A3=BA=C8=B1=CA=A1=B3=A3=D3=C3=B5=C4=CA=C7 9600=20
      bps=A3=AC=B3=A3=BC=FB=B5=C4=BB=B9=D3=D0 1200 2400 4800 19200 =
38400=B5=C8=A1=A3=B2=A8=CC=D8=C2=CA=D4=BD=B4=F3=A3=AC=B4=AB=CA=E4=CB=D9=B6=
=C8=D4=BD=BF=EC=A3=AC=B5=AB=CE=C8=B6=A8=B5=C4=B4=AB=CA=E4=BE=E0=C0=EB=D4=BD=
=B6=CC=A3=AC=BF=B9=B8=C9=C8=C5=C4=DC=C1=A6=D4=BD=B2=EE=A1=A3=20
      </DIV>
      <DIV =
align=3Dleft>=B1=B8=D7=A2=A3=BA=D2=BB=B0=E3=CC=A8=CA=BD=BB=FA=BB=E1=D7=D4=
=B4=F81-2=B8=F6=B4=AE=BF=DA=B2=E5=D7=F9=A3=A8=B9=AB=CD=B7=20
      =
=A3=A89=D5=EB=B2=E5=CD=B7=C9=CF=B4=F8=D5=EB=B5=C4=CB=D7=B3=C6=B9=AB=CD=B7=
=A3=AC=B4=F8=D5=EB=BF=D7=B5=C4=CB=D7=B3=C6=C4=B8=CD=B7=A3=A9=A3=A9=A3=AC=CF=
=D6=D4=DA=B5=C4=B1=CA=BC=C7=B1=BE=D2=BB=B0=E3=B2=BB=B4=F8=B4=AE=BF=DA=B2=E5=
=D7=F9=A3=AC=BF=C9=D2=D4=B9=BA=C2=F2 =
USB=B4=AE=BF=DA=D7=AA=BB=BB=C6=F7=A3=AC=BE=DF=CC=E5=C7=EB=B2=CE=BF=BC=20
      =
=D4=F5=D1=F9=CA=B9=D3=C3USB=B4=AE=BF=DA=D7=AA=BB=BB=C6=F7=A3=BF</DIV><IMG=
=20
      onclick=3D"if(this.width>=3D700) =
window.open('http://www.wiegand.com.cn/jisupeixunban/pic/cuankoucazuo.jpg=
');"=20
      =
src=3D"http://www.wiegand.com.cn/jisupeixunban/pic/cuankoucazuo.jpg"=20
      =
onload=3D"if(this.width>'700')this.width=3D'700';if(this.height>'700')thi=
s.height=3D'700';"=20
      border=3D0> <BR>
      <TABLE=20
      style=3D"BORDER-RIGHT: #d5e5e8 1px solid; BORDER-TOP: #d5e5e8 1px =
solid; BORDER-LEFT: #d5e5e8 1px solid; WIDTH: 600px; BORDER-BOTTOM: =
#d5e5e8 1px solid">
        <TBODY>
        <TR class=3Dtr3>
          <TD>
            <DIV align=3Dcenter><IMG=20
            onclick=3D"if(this.width>=3D700) =
window.open('http://www.wiegand.com.cn/jisupeixunban/pic/RS232jiexianduan=
zixuhao.jpg');"=20
            =
src=3D"http://www.wiegand.com.cn/jisupeixunban/pic/RS232jiexianduanzixuha=
o.jpg"=20
            =
onload=3D"if(this.width>'700')this.width=3D'700';if(this.height>'700')thi=
s.height=3D'700';"=20
            border=3D0></DIV>
            <DIV align=3Dcenter><B>=B9=AB=CD=B7 =
=BD=D3=CF=DF=B6=CB=D7=D3=C5=C5=D0=F2=CD=BC</B></DIV></TD>
          <TD>
            <DIV align=3Dcenter><IMG=20
            onclick=3D"if(this.width>=3D700) =
window.open('http://www.wiegand.com.cn/jisupeixunban/pic/RS232jiexianduan=
zixuhao_mu.jpg');"=20
            =
src=3D"http://www.wiegand.com.cn/jisupeixunban/pic/RS232jiexianduanzixuha=
o_mu.jpg"=20
            =
onload=3D"if(this.width>'700')this.width=3D'700';if(this.height>'700')thi=
s.height=3D'700';"=20
            border=3D0> <BR><B>=C4=B8=CD=B7 =
=BD=D3=CF=DF=B6=CB=D7=D3=C5=C5=D0=F2=CD=BC</B> =
<BR></DIV></TD></TR></TBODY></TABLE><BR>
      <DIV align=3Dleft>=D2=BB=B0=E3=D6=BB=D3=C3 2 3 5 =
=BA=C5=C8=FD=B8=F9=CF=DF=A1=A3</DIV>
      <DIV align=3Dleft>2 RxD Receive Data =A3=ACInput <BR>3 TxD =
Transmit Data =A3=ACOutput=20
      <BR>5 GND Ground </DIV><IMG=20
      onclick=3D"if(this.width>=3D700) =
window.open('http://www.wiegand.com.cn/jisupeixunban/pic/cuankoulianjiexi=
an.jpg');"=20
      =
src=3D"http://www.wiegand.com.cn/jisupeixunban/pic/cuankoulianjiexian.jpg=
"=20
      =
onload=3D"if(this.width>'700')this.width=3D'700';if(this.height>'700')thi=
s.height=3D'700';"=20
      border=3D0> <BR>
      <DIV align=3Dleft>=B4=AE=BF=DA=C1=AC=BD=D3=CF=DF=A3=BA =
=D2=BB=B0=E3=B1=EA=C5=E4=CA=C73=C3=D7=D2=D4=C4=DA=A1=A3</DIV>
      <DIV =
align=3Dleft><B>RS485=CD=A8=D1=B6=B5=C4=BB=F9=B1=BE=D6=AA=CA=B6</B>=A3=BA=
</DIV>
      <DIV =
align=3Dleft>RS485=BA=CDRS232=B5=C4=BB=F9=B1=BE=B5=C4=CD=A8=D1=B6=BB=FA=C0=
=ED=CA=C7=D2=BB=D6=C2=B5=C4=A3=AC=CB=FB=B5=C4=D3=C5=B5=E3=D4=DA=D3=DA=C3=D6=
=B2=B9=C1=CBRS232=20
      =
=CD=A8=D1=B6=BE=E0=C0=EB=B6=CC=A3=AC=B2=BB=C4=DC=BD=F8=D0=D0=B6=E0=CC=A8=C9=
=E8=B1=B8=CD=AC=CA=B1=BD=F8=D0=D0=C1=AA=CD=F8=B9=DC=C0=ED=B5=C4=C8=B1=B5=E3=
=A1=A3</DIV>
      <DIV align=3Dleft>=BC=C6=CB=E3=BB=FA=CD=A8=B9=FD RS232 =
RS485=D7=AA=BB=BB=C6=F7=A3=AC=D2=C0=B4=CE=C1=AC=BD=D3 =B6=E0=CC=A8=20
      =
485=C9=E8=B1=B8=A3=A8=C3=C5=BD=FB=BF=D8=D6=C6=C6=F7=A3=A9=A3=AC=B2=C9=D3=C3=
=C2=D6=D1=AF=B5=C4=B7=BD=CA=BD=A3=AC=B6=D4=D7=DC=CF=DF=C9=CF=B5=C4=C9=E8=B1=
=B8=C2=D6=C1=F7=BD=F8=D0=D0=CD=A8=D1=B6=A1=A3 </DIV>
      <DIV align=3Dleft>=BD=D3=CF=DF=B1=EA=CA=BE=CA=C7 485+ 485- =
=A3=AC=B7=D6=B1=F0=B6=D4=D3=A6=C1=B4=BD=D3=C9=E8=B1=B8=A3=A8=BF=D8=D6=C6=C6=
=F7=A3=A9=B5=C4 485+ 485-=A1=A3</DIV>
      <DIV=20
      =
align=3Dleft>=CD=A8=D1=B6=BE=E0=C0=EB=A3=BA=D7=EE=D4=B6=B5=C4=C9=E8=B1=B8=
=A3=A8=BF=D8=D6=C6=C6=F7=A3=A9=B5=BD=BC=C6=CB=E3=BB=FA=B5=C4=C1=AC=CF=DF=C0=
=ED=C2=DB=C9=CF=B5=C4=BE=E0=C0=EB=CA=C71200=C3=D7=A3=AC=BD=A8=D2=E9=BF=CD=
=BB=A7=BF=D8=D6=C6=D4=DA800=C3=D7=D2=D4=C4=DA=A3=AC=C4=DC=BF=D8=D6=C6=D4=DA=
300=C3=D7=D2=D4=C4=DA=D0=A7=B9=FB=D7=EE=BA=C3=A1=A3=C8=E7=B9=FB=BE=E0=C0=EB=
=B3=AC=B3=A4=A3=AC=BF=C9=D2=D4=D1=A1=B9=BA=20
      =
485=D6=D0=BC=CC=C6=F7=A3=A8=D1=D3=B3=A4=C6=F7=A3=A9=A3=A8=C7=EB=CF=F2=D7=A8=
=D2=B5=B5=C4=D7=AA=BB=BB=C6=F7=C9=FA=B2=FA=B9=AB=CB=BE=B9=BA=C2=F2=A3=AC=D6=
=D0=BC=CC=C6=F7=B5=C4=B7=C5=D6=C3=CE=BB=D6=C3=CA=C7=D4=DA=D7=DC=CF=DF=D6=D0=
=BC=E4=BB=B9=CA=C7=BF=AA=CA=BC=A3=AC=C7=EB=B2=CE=BF=BC=CF=E0=B9=D8=B3=A7=BC=
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=C2=DB=C9=CF=BF=C9=D2=D4=D1=D3=B3=A4=B5=BD=20
      3000=C3=D7=A1=A3</DIV>
      <DIV =
align=3Dleft>=B8=BA=D4=D8=CA=FD=C1=BF=A3=BA=BC=B4=D2=BB=CC=F5485=D7=DC=CF=
=DF=BF=C9=D2=D4=B4=F8=B6=E0=C9=D9=CC=A8=C9=E8=B1=B8=A3=A8=BF=D8=D6=C6=C6=F7=
=A3=A9=A3=AC=D5=E2=B8=F6=C8=A1=BE=F6=D3=DA=20
      =
=BF=D8=D6=C6=C6=F7=B5=C4=CD=A8=D1=B6=D0=BE=C6=AC=BA=CD485=D7=AA=BB=BB=C6=F7=
=B5=C4=CD=A8=D1=B6=D0=BE=C6=AC=B5=C4=D1=A1=D0=CD=A3=AC=D2=BB=B0=E3=D3=D0 =

      =
32=CC=A8=A3=AC64=CC=A8=A3=AC128=CC=A8=A3=AC256=CC=A8=BC=B8=D6=D6=D1=A1=D4=
=F1=A3=AC=D5=E2=B8=F6=CA=C7=C0=ED=C2=DB=B5=C4=CA=FD=D7=D6=A3=AC=CA=B5=BC=CA=
=D3=A6=D3=C3=CA=B1=A3=AC=B8=F9=BE=DD=CF=D6=B3=A1=BB=B7=BE=B3=A3=AC=CD=A8=D1=
=B6=BE=E0=C0=EB=B5=C8=D2=F2=CB=D8=A3=AC=B8=BA=D4=D8=CA=FD=C1=BF=B4=EF=B2=BB=
=B5=BD=D6=B8=B1=EA=CA=FD=A1=A3=CE=A2=B8=FB=B9=AB=CB=BE=BF=D8=D6=C6=C6=F7=BA=
=CD=D7=AA=BB=BB=C6=F7=B0=B4256=CC=A8=C9=E8=BC=C6=A3=AC=CA=B5=BC=CA=BD=A8=D2=
=E9=BF=CD=BB=A7=C3=BF=CC=F5=D7=DC=CF=DF=BF=D8=D6=C6=D4=DA80=CC=A8=D2=D4=C4=
=DA=A1=A3=C8=E7=B9=FB=D3=D0=BC=B8=B0=D9=C9=CF=C7=A7=CC=A8=BF=D8=D6=C6=C6=F7=
=A3=AC=C7=EB=B2=C9=D3=C3=20
      =B6=E0=B4=AE=BF=DA=BF=A8 =BB=F2=D5=DF =
485HUB=C0=B4=BD=E2=BE=F6=A3=AC=BE=DF=CC=E5=20
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