Copyright March 2002 by ICP DAS CO., LTD. All right reserved.

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This document describe the way to free the COM1 of I-8xx7 controller.


1. Create a file folder named "8000" in your hard drive. 
   For example, "c:\8000".

2. Copy \Napdos\ISaGRAF\8000\Driver\40M\3.12\"7188xw.exe", "7188xw.ini" , "7188xw.f4" ,
   "isa.exe" , "autoexec.bat" & "8k050408.IMG" from the CD_ROM into your "8000" folder.

3. Run "\8000\7188xw.exe" in your hard drive. A "7188xw" screen 
   will appear (Press F1 for help). 

4. Link COM1 or COM2 of your PC to COM1 of the I-8xx7 controller 
   through a RS232 cable. 

5. Power off the I-8xx7 controller, connect pin "INIT" to "INIT COM" 
   and then power it up.

6. If the connection is Ok, messages will appear on the 7188xw screen.

      ICP_DAS MiniOS7 for I-8000 Ver. 2.00 build 002,Apr 08 2005 17:06:02
      SRAM:512K, FLASH MEMORY:512K
      [CPU=RDC 8820-D]
      Serial number= 5A 5A 5A 5A 5A 5A 5A 5A
      i-8000>

7. Type "isa *f=1" to free the COM1 of I-8xx7.

      i-8000> isa *f=1
      Com1 is free now

8. Type "isa *f=0" to define the COM1 of I-8xx7  for Modbus RTU .

      i-8000> isa *f=0

      Com1 is define as Modbus RTU

      Set Com1 Baudrate to xxxxxx 

9.Press ALT_X to exit "7188xw" and close the DOS SHELL, or 
   COM1/COM2 of the PC will be occupied. 

10. Remove the connection between "INIT*" - "INIT*COM", reset the 
    I-8xx7 controller.