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Author

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1		-XWiki.Bei
	1	+XWiki.karry

Content

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24	24	**Connection**
25	25
26	26
27		-
28	28	[[image:image-20220527091942-2.png]](% style="display:none" %)
29	29
30	30	**Connection**
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50	50	**Connection**
51	51
52	52
53		-
54	54	[[image:image-20220527092146-4.png||height="507" width="906"]]
55	55
56	56	**Connection**
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74	74
75	75	(((
76	76	This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
77		-
78		-
79	79	)))
80	80
81	81	[[image:image-20220527092419-5.png]]
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83	83	**Connection1**
84	84
85	85
86		-
87	87	(((
88	88	(% style="color:blue" %)**How to connect with Energy Meter：**
89	89
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108	108
109	109	(((
110	110	Once there is power, the RS485-LN will be on.
111		-
112		-
113	113	)))
114	114
115	115	[[image:image-20220527092514-6.png]]
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117	117	**Connection2**
118	118
119	119
120		-
121	121	[[image:image-20220527092555-7.png]]
122	122
123	123	**Connection3**
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203	203	**AT COMMAND**
204	204
205	205
206		-
207	207	PAYLOAD is available after the valid value is intercepted.
208	208
209	209	[[image:image-20220601143046-7.png]]
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211	211	**AT COMMAND**
212	212
213	213
214		-
215	215	You can get configured PAYLOAD on TTN.
216	216
217	217	[[image:image-20220601143519-1.png]]
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275	275	AT COMMAND
276	276
277	277
278		-
279	279	(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
280	280
281	281
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284	284	AT COMMAND
285	285
286	286
287		-
288	288	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
289	289
290	290
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295	295	)))
296	296
297	297
298		-
299	299	(((
300	300	(% style="color:blue" %)**Type Code 0xAF**
301	301	)))
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357	357	**DOWNLINK**
358	358
359	359
360		-
361	361	[[image:image-20220601143803-3.png]]
362	362
363	363	**DOWNLINK**
364	364
365	365
366		-
367	367	[[image:image-20220601144053-5.png]]
368	368
369	369	**DOWNLINK**
370	370
371	371
372		-
373	373	[[image:image-20220601143921-4.png]]
374	374
375	375	**DOWNLINK**
376	376
377	377
378		-
379	379	[[image:image-20220601142805-5.png]]
380	380
381	381	**DOWNLINK**
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402	402
403	403	(((
404	404	check digit: Even
405		-
406		-
407	407	)))
408	408
409	409	[[image:image-20220527093708-21.png]]
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411	411	**USB**
412	412
413	413
414		-
415	415	[[image:image-20220527093747-22.png]]
416	416
417	417	**USB**
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437	437	**USB**
438	438
439	439
440		-
441	441	=== 1.3.5 How to configure multiple devices and modify device addresses ===
442	442
443	443
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564	564
565	565	* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
566	566
567		-== ==
568	568
569		-== 1.8  Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
	547	+== 1.8 Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
570	570
	549	+
571	571	This sketch uses 4 registers: some of them can be set by Dragino with a command, another is used to store value from a DS18B20 temperature sensor, or a random generated number. All data is 16bit uint, but the sketch shows also how to represent booleans and negative numbers.
572	572
573	573	In the next days I will be adding more documentation, but I think it already explains users how to build their own modbus sensor to pair with Dragino RS485-BL.
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576	576
577	577	[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]]
578	578
579		-
	558	+
	559	+== 1.9 Example 9: RS485-LN and ultrasonic flow meter transmission data ==
	560	+
	561	+
	562	+It shows how to use RS485-LN to connect to an ultrasonic flow meter and read the data from the ultrasonic flow meter.
	563	+
	564	+
	565	+
	566	+* **Specific steps**:  RS485-LN with ultrasonic flow meter
	567	+*

1720669739434-926.png

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