Copyright Jul.2014 by ICP DAS CO., LTD. All right reserved.

This paper lists the upgrade history of the Win-GRAF driver of the 
  WP-8148, WP-8448 and WP-8848 .

The "WP-8xx8" addreviation is for the WP-8148, WP-8448 and WP-8848 
 PAC (Programmanle Automation Controller).
 
The newly released driver can also be obtained from the following website.
  http://ftp.icpdas.com/pub/cd/win-graf-pac-cd/Napdos/WP-8xx8/driver/
  for example, the "wp-8xx8-driver-1.01.zip" means the driver version 1.01 .

Warning:
  The copyright of the Win-GRAF driver (firmware) belongs to 
  ICP DAS CO., LTD. 
  The WP-8xx8 PAC have registered a legal Win-GRAF Target license. 

Trademark:
  Products, names and trade names appeared belongs to their respective owner. 


**************************************************************************
*  1.01 , Jul.29,2014
**************************************************************************
1. This is the first relesed Win-GRAF driver of the WP-8xx8 PAC .


**************************************************************************
*  1.01 , Aug.20,2014
**************************************************************************
1. Fix a bug when loading the application code from \System_Disk\Win-GRAF\ .


**************************************************************************
*  1.02 , Oct.01,2014
**************************************************************************
1. Add I/O - "schedule" to support the "Schedule-Control Utility" to implement 
   schedule control. (Refer chapter 17 of the Win-GRAF User's manual)


**************************************************************************
*  1.03 , Oct.21,2014
**************************************************************************
1. User can implement his own C-function and C-function block to a User_C.DLL to
   work with the Win-GRAF driver. (Refer chapter 18 of the Win-GRAF User's Manual)
2. Fix a bug in the schedule-control (a bug in special-day) .


**************************************************************************
*  1.04 , Jan.23,2015
**************************************************************************
1. Add dial_up_win_graf.dll , dial_up_utility_win_graf.exe and 
   dial_up_net_win_graf.dll for supporting dial_up 2G/3G to access to the Internet
2. Fix a bug in the main() to solve a driver shutdown problem when downloading a project if the
   PAC state is "No application" .
3. Add the "WG-Communication-PAC.exe" to connect the "WG-Communication-Server" for supporting
   the "Win-GRAF Intelligent 3G solution ".
4. Add three c-functions : Send_File_To , Send_File_State , Send_File_Abort( ) .
5. Modify the "F_CP_DIR" function to handle also all its sub-directories.
6. Modify the "F_DEL_DIR" function to handle also all its sub-directories.


**************************************************************************
*  1.05 , Mar.25,2015
**************************************************************************
1. Add GSM_xxxx function blocks to support Short Message Service. 
   (Refer the Chapter 21 of the win-GRAF User's manual.)
2. Add "PID_simple" function block for PID control.
3. Show app-ver, app-crc and app-size on the Win-GRAF driver dialog.
4. Modify "dial_up_win_graf.DLL" . Increase timeout of "PAC connect WG-Communication-Server" to 50 seconds.


**************************************************************************
*  1.06 , May.12,2015
**************************************************************************
1. Support the I-87041W in PAc 's I/O slots.
2. Fix a COM0:i-87K bug when doing on line change in a project which open 
   any Modbus RTU master port.


**************************************************************************
*  1.07 , Jun.22,2015
**************************************************************************
1. Support the I-87H17W (Hart Master card) to connect to Hart devices.
2. Support the GPS-721 .
3. Support new fuctions to disable / enable Modbus master ports.
   MBRTU_M_disable , MBRTU_M_enable , MBRTU_M_status , 
   MBTCP_M_disable , MBTCP_M_enable , MBTCP_M_status , 
   MBUDP_M_disable , MBUDP_M_enable , MBUDP_M_status 


**************************************************************************
*  1.08 , Jul.24,2015
**************************************************************************
1. The Intelligent-3G-solution now support the WG-Communication-Server 's IP in domain name format.

**************************************************************************
*  1.09 , Oct.26,2016
**************************************************************************
1. Support the I-87061W in PAc 's I/O slots.
2. Modify a "Retain_ary" setting problem

**************************************************************************
*  1.10 , Aug.14,2018
**************************************************************************
1. Modify a "PAC_SN" function problem
2. Determine the execution path of Win-GRAF
3. Improve modbus command information content

**************************************************************************
*  1.11 , Dec.12,2018
**************************************************************************
1. Modify a bug about UDP functions
2. Modify a bug about arrary functions
3. Modify a bug about I-87015W configuration settings