工控机查询：
02 05 02 00 01 01 02 00 0F 97 2D
板端回复：
03 05 02 00 01 01 02 00 0F //头
00 42 //回复的数据SIZE
40 //DI 数据
00 //DO 数据
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 //AI 数据
00 F0 02 45 00 00 00 41 00 00 00 40 00 00 90 41 00 00 64 42 00 00 58 42 00 00 40 41 00 00 00 00 //CI 数据
7B 19 //CRC
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