以下为micorWin3.1.2的帮助文件里关于smb30,smb130的说明
SM130.2 -SM130.4
bbb Freeport baud rate
000 = 38,400 baud
001 = 19,200 baud
010 = 9600 baud
011 = 115,200 baud
100 = 2400 baud
101 = 1200 baud
110 = 57,600 baud
111 = 300 baud

注意110时的设置,不知是笔误还是新版的plc取消了600的波特率,改成了57600?