Changes for page Water Quality Sensors
Last modified by Karry Zhuang on 2025/02/18 15:43
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.karry - Content
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... ... @@ -3,13 +3,10 @@ 3 3 {{toc/}} 4 4 5 5 6 - 7 - 8 8 = 1. DR-ECK Water EC Probe = 9 9 10 10 == 1.1 Specification: == 11 11 12 - 13 13 * **Power Input**: DC7~~30 14 14 * **Power Consumption** : < 0.5W 15 15 * **Interface**: RS485. 9600 Baud Rate ... ... @@ -24,23 +24,18 @@ 24 24 * **IP Rated**: IP68 25 25 * **Max Pressure**: 0.6MPa 26 26 27 - 28 - 29 29 == 1.2 Application for Different Range == 30 30 31 - 32 32 [[image:image-20240714173018-1.png]] 33 33 34 34 35 35 == 1.3 Wiring == 36 36 37 - 38 38 [[image:image-20240720172533-1.png||height="347" width="569"]] 39 39 40 40 41 41 == 1.4 Mechinical Drawing == 42 42 43 - 44 44 [[image:image-20240714174241-2.png]] 45 45 46 46 ... ... @@ -47,19 +47,19 @@ 47 47 == 1.5 Installation == 48 48 49 49 50 -**Electrode installation form :**42 +**Electrode installation form** 51 51 52 -A: 44 +A:Side wall installation 53 53 54 -B: 46 +B:Top flange installation 55 55 56 -C: 48 +C:Pipeline bend installation 57 57 58 -D: 50 +D:Pipeline bend installation 59 59 60 -E: 52 +E:Flow-through installation 61 61 62 -F: 54 +F:Submerged installation 63 63 64 64 [[image:image-20240718190121-1.png||height="350" width="520"]] 65 65 ... ... @@ -71,11 +71,11 @@ 71 71 72 72 [[image:image-20240718190204-2.png||height="262" width="487"]] 73 73 74 - **Error cause:**The electrode joint is too long, the extension part is too short, the sensor is easy to form a dead cavity, resulting in measurement error.66 +Error cause: The electrode joint is too long, the extension part is too short, the sensor is easy to form a dead cavity, resulting in measurement error. 75 75 76 76 [[image:image-20240718190221-3.png||height="292" width="500"]] 77 77 78 - **Error cause:**Measurement error or instability may occur due to water flow not being able to fill the pipe or air accumulation at high altitudes.70 +Error cause: Measurement error or instability may occur due to water flow not being able to fill the pipe or air accumulation at high altitudes. 79 79 80 80 B. Correct installation method 81 81 ... ... @@ -90,8 +90,6 @@ 90 90 * Cleaning of conductivity electrodes: Organic stains on the electrode can be cleaned with warm water containing detergent, or with alcohol. Calcium and magnesium precipitates are best cleaned with 10% citric acid. The electrode plate or pole can only be cleaned by chemical methods or by shaking in water. Wiping the electrode plate will damage the coating (platinum black) on the electrode surface. 91 91 * The equipment should be calibrated before each use. It is recommended to calibrate it every 3 months for long-term use. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). 92 92 93 - 94 - 95 95 == 1.7 RS485 Commands == 96 96 97 97 ... ... @@ -101,27 +101,23 @@ 101 101 102 102 === 1.7.1 Query address === 103 103 94 +send 104 104 105 -**send** 106 - 107 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 108 -|=(% style="width: 65px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 96 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 97 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 109 109 |(% style="width:99px" %)0XFE |(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X50|(% style="width:70px" %)0X00|(% style="width:72px" %)0X00|(% style="width:56px" %)0X51|(% style="width:56px" %)0XD4 110 110 111 111 If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, which can be used as a method of address query. 112 112 113 113 114 - **response**103 +response 115 115 116 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:51 8px" %)105 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %) 117 117 |=(% style="width: 50px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 106px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 93px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 104px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 118 118 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 119 119 120 - 121 - 122 122 === 1.7.2 Change address === 123 123 124 - 125 125 For example: Change the address of the sensor with address 1 to 2, master → slave 126 126 127 127 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %)