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

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This document describe that COM1 of PAC-5xx7  supports Modbus RTU slave protocol by user define

The below example for uPAC-5207

1. Create a file folder named "up5000" in your hard drive.
   For example, "c:\up5000".

2. Copy \Napdos\ISaGRAF\up5000\Driver\1.01\uP5207\1.01\ "7188xw.exe", "7188xw.ini" , "7188xw.f4" ,
   "autoexec.bat" , "isa5207.exe" & "upac-5000_20100507.img" from the CD_ROM into your "up5000" folder.

3. Run "\up5000\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 uPAC-5207 controller through a RS232 cable. 

5. Power off the uPAC-5xx7 controller, change the Dip Switch on controller panel to 
   the "Init", then power it up.

6.  If the connection is Ok, messages will appear on the 7188xw screen.
      
      ICP DAS MiniOS7_UDP for uPAC-5001 Ver. 2.04 build 008,May 07 2010 12:35:02
      OS id=37
      SRAM:768K, FLASH MEMORY:512K
      [CPU=R2240]
      CPU internal WDT is ENABLED(WDT timeout=0.8 sec)
      Serial number= 01 7E CC 1
      uPAC-5001>

7. Type "isa5207 *b=n", Setting COM1 Baudrate and defined as Modbus RTU,n = 0~9 

     uPAC-5001> isa5207 *b=4
        Set Com1 Baudrate to 19200
        The setting for com1 baudrate are as follows : 1=2400,2=4800,3=9600,4=19200(default),
        5=38400,6=57600,7=115200,8=300,9=600,0=1200

8. Type "isa5207 *f=1" to free the COM1 of uPAC-5207.

      uPAC-5001> isa5207 *f=1
      Com1 is free now

9. Type "isa5207 *f=0" to define the COM1 of uPAC-5207 for Modbus RTU .

      uPAC-5001> isa5207 *f=0

      Com1 is define as Modbus RTU

      Set Com1 Baudrate to xxxxxx 

10. Press ALT_X to exit "7188xw".

11. Power off the uPAC-5xx7 controller, change the Dip Switch on controller panel to 
   the "Init", then power it up.

