2012/01/17 by Andy

Firmware: v1.04 => v1.05
  1. Swap modbus AI/AO data bytes, (FC 0x03, 0x04, 0x10), for ethernet/ip 
     input/output data.
  2. Change MAC adress from 90:xx:xx ~ 91:xx:xx to 80:xx:xx ~ 8F:xx:xx

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2011/11/18 by Andy

Firmware: v1.03 => v1.04
  1. Add arp request function to gateway at initial status.
  2. ForwardOpen O=>T connection method need to add RUN_IDLE_HEADER 
  3. modify eip socket timeout value from 10s to 30s
  4. fix bug of MAC address error
  5. fix bug of EIP TCP keepalive ack timeout

Utility: v1.02 => v1.03
  1. For Diagnostic methhod => 
     Add RUN_IDLE_HEADER for ForwardOpen O=>T connection, used for FW v1.04 or later

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2011/09/16 by Andy

Utility: v1.01 => v1.02
  1. fix the bug of creating wrong EDS file

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2011/08/04 by Andy

Firmware: v1.02 => v1.03
  1. Remove 03B IC checking function

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2010/12/31 by Andy  

Firmware: v1.01 => v1.02
1. fix the MAC address range bug on boot loader and firmware     
   00:0D:E0:8F:xx:xx => 00:0D:E0:90:xx:xx  
2. fix the bug of the E2MB_SERIALNUMBER  
3. fix the bug of Modbus 3.5T timer  
4. add class 0x04 instance 0x67 for Modbus command status

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2010/11/16 by Andy

Firmware: v1.01 
EtherNet/IP Features:    
* Ethernet Protocol: EtherNet/IP Server    
* Maximum number of Explicit Messaging connections: 6    
* Supported I/O connection methods:          
  .Transport and trigger: Exclusive-Owner, Cyclic          
  .Original to Target Type: POINT2POINT          
  .Target to Original Type: POINT2POINT, MULTICAST    
* Device Configuration Option: Custom Software    
* Address Configuration: DHCP, Custom Software    
* Maximum EtherNet/IP Input/Output data size: 500 bytes    
* Maximum Modbus RTU slave data mapped to EtherNet/IP input data: 500 bytes    
* Maximum EtherNet/IP output data mapped to Modbus RTU slave devices: 500 bytes

Modbus Features:    
* Modbus Protocol: Modbus RTU Master    
* Maximum support 30 Modbus RTU slave devices    
* Supported Modbus RTU Function Codes:          
  .01 hex: Read Output Status         
  .02 hex: Read Input Status          
  .03 hex: Read Multiple Data Registers          
  .04 hex: Read Input Registers          
  .0F hex: Write Multiple Bits          
  .10 hex: Write Multiple Data Register    
* Maximum data size per Modbus slave device: 240 bytes