喷码机通讯测试
波特率9600(默认),可改为115200
8,N,1

~020000D80058003000300033004E0043004500300030004D0046004E00370033004400530042003300320037003000310039003800380030001F0058003100300033004E0043004500300030004D0046004E00370033004400530042003300320037003000310039003800380030001FD3DF
命令,发送条码03NCE00MFN73DSB327019880至X0 和X1 的存储位置。
返回
ASC ~02000000FE7E
RTN为 00, 表示OK
清空命令
~03000000FE7D