EX470第1个拨码波特率,第2个决定站号.以下是参数对应关系. SW1 SW0 Node Number Baud rate [kBit/s] $0 $1 ... $F 1 ... 15 250 $1 $0 ... $F 16 ... 31 250 $2 $0 ... $F 32 ... 47 250 $3 $0 ... $F 48 ... 63 250 $4 $1 ... $F 1 ... 15 125 $5 $0 ... $F 16 ... 31 125 $6 $0 ... $F 32 ... 47 125 $7 $0 ... $F 48 ... 63 125 $8 $1 ... $F 1 ... 15 20 $9 $0 ... $F 16 ... 31 20 $A $0 ... $F 32 ... 47 20 $B $0 ... $F 48 ... 63 20 $C $1 ... $F 1 ... 15 500 $D $0 ... $F 16 ... 31 500 $E $0 ... $F 32 ... 47 500 $F $0 ... $F 48 ... 63 500 请检查波特率和CP476是否一致,实际站号和项目中是否一致.注意修改后必须从新上电.