FW_4.31: Isaac HD firmware 4.31 (builds 745, 1145)

Source: C:/Zaxis/Isaac SVN/Release/Firmware/Rabbit Code/IsaacHD_4.31

Files (md5 / source):
  47edbbf5  IsaacHD_4.31/PLC/Isaac.eds
  d93b0122  IsaacHD_4.31/PLC/Isaac_Udts.xlsx
  26723f88  IsaacHD_4.31/Documentation/Isaac_EtherNetIp.pdf
  b5b015c6  IsaacHD_4.31/PLC/DataType_Referencing.pdf
  0a3ca2bf  IsaacHD_4.31/Documentation/ReleaseNotes.pdf

Note: EDS revision 3.12: CosBitMask parameter restored (UINT, default 0x0F).
