BACnetScan读BI多个属性——请求报文和应答报文解析

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报文：
请求报文：
[567 ]55 FF 05 07 13 00 0F ED 01 04 00 03 0C 0E 0C 00 C0 00 01 1E 09 69 1F 42 C2
应答报文：
[568 ]55 FF 06 13 07 00 54 FB 01 00 30 0C 0E 0C 00 C0 00 01 1E 29 4B 4E C4 00 C0 00 01 4F 29 4D 4E 75 05 00 42 49 2D 31 4F 29 1C 4E 75 0A 00 45 64 69 74 20 48 65 72 65 4F 29 4F 4E 91 03 4F 29 55 4E 91 00 4F 29 6F 4E 82 04 00 4F 29 24 4E 91 00 4F 29 51 4E 10 4F 29 54 4E 91 00 4F 1F 01 ED

[567 ]
55 FF 05 07 13 00 0F ED
01 //Version
04 //Control
00 //PDU TYPE
03 //Maximum APDU Size Accepted=480
0C //InvokeID=12
0E //service choice =14, read-property-multiple-Request
0C //Tag0,List of Read Access Specifications=4,Object_Identifier
00 C0 00 01 //BINART_INPUT,instance_num=01
1E
09 //Context Tag0, L=1,Property Identifier
69 //PROP_REQUIRED=105
1F 42 C2

///RPM_ACK
[568 ]
55 FF 06 13 07 00 54 FB
01
00 //Control
30 //PDU Type=3 (BACnet-ComplexACK-PDU, SEG=0, MOR=0)
0C //Invoke_ID
0E //Service ACK Choice=14 (ReadPropertyMultiple-ACK)
0C //SD Context Tag 0 (Object Identifier, L=4)
00 C0 00 01 //Binary Input, Instance Number=1
1E //PD Opening Tag 1 (List Of Results)
29 //SD Context Tag 2 (Property Identifier, L=1)
4B // object-identifier =75
4E //opening tag 4,Property Value（不确定）
C4 //APPLICATION TAG=12,L=4,BACnetObjectIdentifer
00 C0 00 01 //Binary Input, Instance Number=1
4F
29 //CONTEXT tag2,L=1, propertyIdentifier
4D //object-name=77
4E //opening tag 4,Property Value,ASCII
75 //APPLICATION TAG 7，L=下面的值CharacterString
05 //L
00 //空字符
42 //
49 //
2D //<->
31 //<0>
4F
29 // propertyIdentifier
1C //description=28
4E //opening tag 4
75 //APPLICATION TAG 7，L=扩展字节的值CharacterString
0A //L=10
00 //空字符
45 //
64 //
69 //
74 //
20 //<空格>
48 //
65 //
72 //
65 //
4F
29 // propertyIdentifier
4F //object_type=79
4E
91 // Application Tag 9 (Enumerated, L=1)
03 // OBJECT_BINARY_INPUT
4F
29 // propertyIdentifier
55 //Present Value
4E
91 //Application Tag 9 (Enumerated, L=1)
00 //INACTIVE
4F
29
6F // propertyIdentifier
4E
82 //application tag 8(bit string),L=2
04 00 //0,0,0,0(FALSE, FALSE ,FALSE, FALSE)米看懂怎么编的
4F
29 // propertyIdentifier
24 //event_state
4E
91 //Application Tag 9 (Enumerated, L=1)
00
4F
29 // propertyIdentifier
51 //Out_Of_Service=81
4E
10 //application tag1，L=0
4F
29 // propertyIdentifier
54 //Polarity=84
4E
91 //Application Tag 9 (Enumerated, L=1)
00 //Normal
4F
1F 01 ED

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