TC-UR24　USB to Serial port Adapter update：2005/05/31

Your Best Solution for PC-to-PLC Communication !
特點：
◆ USB(pc) to RS232/422/485(com2) .
◆ RS232(com1) to RS422/485(com2) .
◆ USB full-speed connection .
◆ On-chip oscillator using one 12 MHz crystal .
◆ Bus powered from USB or PLC port .
◆ Double data buffer supporting two-way data transfer .
◆ No glue logic needed and can be embedded in small space .
◆ Two LEDs Display the power and communicate status .
◆ USB drivers running under WinXP, Win2000, WinME and Win98 .

系統架構：
a. PC (USB) to COM2 (RS232/422/485). 　　　　　　　　　　　b. PC (USB) to standard serial port COM1 (RS232C).
　　

c. COM1(PC/RS232) to COM2 (RS232/422/485) PLC.　　　　　d. PC (USB) to COM2 (RS485) devices.

e.PC(USB) to Digital GP HMI.　　　  
 

轉接線： 腳位圖：
WGP-UR24-2M


   Serial Communication Port2 (COM2 25pin Male)
Pin
  Function
Pin
  Function
1
  Chassis ground
14
  RS-422 TXD+ and RS-485 TXD/ RXD+
2
  RS-232 TXD
15
  RS-422 TXD- and RS-485 TXD/ RXD-
3  RS-232 RXD 16  RS-422 RXD+
4
  RS-232 RTS
17
  RS-422 RXD-
5
  RS-232 CTS
18
  TTL TX
6
  Function as DSR
19
  TTL RX
7
  Signal ground
20
  Function as DTR
8
  Function as CD
21
  (no function)
9
  TTL RTS
22
  Function as RI
10
  TTL CTS
23
  RS-422 RTS+
11
  (no function)
24
  RS-422 RTS-
12
  RS-422 CTS+
25
  5V input jumper selectable
13
  RS-422 CTS-
-
  

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