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Author

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1		-XWiki.karry
	1	+XWiki.Xiaoling

Content

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3	3	{{toc/}}
4	4
5	5
	6	+
	7	+
6	6	= 1. DR-ECK Water EC Probe =
7	7
8	8	== 1.1 Specification: ==
9	9
	12	+
10	10	* **Power Input**: DC7~~30
11	11	* **Power Consumption** : < 0.5W
12	12	* **Interface**: RS485. 9600 Baud Rate
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21	21	* **IP Rated**: IP68
22	22	* **Max Pressure**: 0.6MPa
23	23
	27	+
	28	+
24	24	== 1.2 Application for Different Range ==
25	25
	31	+
26	26	[[image:image-20240714173018-1.png]]
27	27
28	28
29	29	== 1.3 Wiring ==
30	30
	37	+
31	31	[[image:image-20240720172533-1.png||height="347" width="569"]]
32	32
33	33
34	34	== 1.4 Mechinical Drawing ==
35	35
	43	+
36	36	[[image:image-20240714174241-2.png]]
37	37
38	38
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39	39	== 1.5 Installation ==
40	40
41	41
42		-**Electrode installation form**
	50	+**Electrode installation form:**
43	43
44		-A:Side wall installation
	52	+A: Side wall installation
45	45
46		-B:Top flange installation
	54	+B: Top flange installation
47	47
48		-C:Pipeline bend installation
	56	+C: Pipeline bend installation
49	49
50		-D:Pipeline bend installation
	58	+D: Pipeline bend installation
51	51
52		-E:Flow-through installation
	60	+E: Flow-through installation
53	53
54		-F:Submerged installation
	62	+F: Submerged installation
55	55
56	56	[[image:image-20240718190121-1.png||height="350" width="520"]]
57	57
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63	63
64	64	[[image:image-20240718190204-2.png||height="262" width="487"]]
65	65
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.
	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.
67	67
68	68	[[image:image-20240718190221-3.png||height="292" width="500"]]
69	69
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.
	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.
71	71
72	72	B. Correct installation method
73	73
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82	82	* 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.
83	83	* 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.).
84	84
	93	+
	94	+
85	85	== 1.7 RS485 Commands ==
86	86
87	87
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91	91
92	92	=== 1.7.1 Query address ===
93	93
94		-send
95	95
96		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %)
	105	+**send**
	106	+
	107	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
97	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
98	98	|(% 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
99	99
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100	100	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.
101	101
102	102
103		-response
	114	+**response**
104	104
105		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %)
	116	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
106	106	|=(% 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
107	107	|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
108	108
	120	+
	121	+
109	109	=== 1.7.2 Change address ===
110	110
	124	+
111	111	For example: Change the address of the sensor with address 1 to 2, master → slave
112	112
113	113	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %)