Changes for page Water Quality Sensors
Last modified by Karry Zhuang on 2025/02/18 15:43
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... ... @@ -42,16 +42,57 @@ 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