<
From version < 8.1 >
edited by Edwin Chen
on 2024/07/18 11:21
To version < 10.1 >
edited by Karry Zhuang
on 2024/07/18 12:01
>
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1 -XWiki.Edwin
1 +XWiki.karry
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42 42  
43 43  == 1.7 RS485 Commands ==
44 44  
45 +The address of the EC K1 sensor is 11
45 45  
47 +The query data command is 11 03 00 00 00 02 C6 9B
48 +
49 +For example, the returned data is 11 03 04 02 AE 01 64 8B D0, 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm
50 +
51 +
52 +The address of the EC K1 sensor is 12
53 +
54 +The query data command is 12 03 00 00 00 02 C6 A8
55 +
56 +~; when K=10, EC: 6860uS/cm.
57 +
46 46  = 2. DR-PH01 Water PH Sensor =
47 47  
60 +== 2.7 RS485 Commands ==
48 48  
62 +The address of the dissolved oxygen sensor is 12
63 +
64 +The query data command is 14 03 00 14 00 01 C6 CB
65 +
66 +
49 49  = 3. DR-ORP1 Water ORP Sensor =
50 50  
69 +== 3.7 RS485 Commands ==
51 51  
71 +
72 +The address of the dissolved oxygen sensor is 13
73 +
74 +The query data command is 14 03 00 14 00 01 C6 CB
75 +
76 +
52 52  = 4. DR-DO1 Dissolved Oxygen Sensor =
53 53  
79 +== 4.7 RS485 Commands ==
54 54  
81 +The address of the dissolved oxygen sensor is 14
82 +
83 +The query data command is 14 03 00 14 00 01 C6 CB
84 +
85 +After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 03 78 B5 55. 03 78 is the value of dissolved oxygen.
86 +
87 +Converted to decimal, it is 888. Add two decimal places to get the actual value. 03 78 means the current dissolved oxygen is 8.88mg/L
88 +
55 55  = 5. DR-TS1 Water Turbidity Sensor =
56 56  
91 +== 5.7 RS485 Commands ==
92 +
93 +
94 +The address of the dissolved oxygen sensor is 15
95 +
96 +The query data command is 15 03 00 14 00 01 C6 CB
97 +
57 57  
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