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-7188EG controller.


1. Create a file folder named "7188EG" in your hard drive. 
   For example, "c:\7188EG".

2. Copy \Napdos\ISaGRAF\7188EG\Driver\7188xw.exe, 7188xw.ini
   from the CD_ROM into your "7188EG" folder.

3. Run "\7188EG\7188xw.exe" in your hard drive. A "7188xw" screen 
   will appear. 

4. Link from COM1 or COM2 of your PC to COM1 of the I-7188EG 
   controller by a RS232 cable. 

5. Power off the I-7188EG controller, connect pin "INIT*" to 
   "GND", and then power it up.

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

      ICP_DAS MiniOS7 for I-7188E Ver. 2.00 build 001,May 16 2003 13:32:53
      SRAM:512K, FLASH MEMORY:512K
      [CPU=Am188ES]
      Serial number= 5A 5A 5A 5A 5A 5A 5A 5A

      i-7188E>

7. Type "isa7188e *f=1" to free the COM1 of I-7188EG.

      i-7188E> isa7188e *f=1
      Com1 is free now

8. Type "isa7188e *f=0" to define the COM1 of I-7188EG for Modbus RTU .

      i-7188E> isa7188e *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*" - "GND", reset the 
    I-7188EG controller.
