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... ... @@ -1,3 +1,8 @@ 1 +(% class="wikigeneratedid" %) 2 + **Contents:** 3 + 4 +{{toc/}} 5 + 1 1 = 1. Introduction = 2 2 3 3 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. ... ... @@ -6,14 +6,17 @@ 6 6 7 7 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Relay and VFD and communicate with Mobile. The structure is like below: 8 8 9 -[[image: https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]14 +[[image:image-20220527091852-1.png]] 10 10 11 11 Connection 12 12 13 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 14 14 19 + 20 +[[image:image-20220527091942-2.png]](% style="display:none" %) 21 + 15 15 Connection 16 16 24 + 17 17 Related documents: 18 18 19 19 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -20,21 +20,26 @@ 20 20 * [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code. 21 21 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 22 22 31 + 23 23 == 1.2 Example 2: Connect to Pulse Counter == 24 24 25 25 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below: 26 26 27 -[[image: https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]36 +[[image:image-20220527092058-3.png]] 28 28 29 29 Connection 30 30 31 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 32 32 41 +[[image:image-20220527092146-4.png]] 42 + 33 33 Connection 34 34 35 35 * [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document 36 36 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 37 37 48 +(% class="wikigeneratedid" %) 49 +== == 50 + 38 38 == 1.3 Example3: Use RS485-LN with energy meters == 39 39 40 40 === 1.3.1 OverView === ... ... @@ -47,28 +47,40 @@ 47 47 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 48 48 ))) 49 49 50 -[[image: https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]63 +[[image:image-20220527092419-5.png]] 51 51 52 52 Connection1 53 53 67 + 68 +((( 54 54 How to connect with Energy Meter： 70 +))) 55 55 72 +((( 56 56 Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively. 74 +))) 57 57 76 +((( 58 58 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 78 +))) 59 59 80 +((( 60 60 Power Source VIN to RS485-LN VIN+ 82 +))) 61 61 84 +((( 62 62 Power Source GND to RS485-LN VIN- 86 +))) 63 63 88 +((( 64 64 Once there is power, the RS485-LN will be on. 90 +))) 65 65 66 -[[image: https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]92 +[[image:image-20220527092514-6.png]] 67 67 68 68 Connection2 69 69 70 70 71 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]] 72 72 73 73 Connection3 74 74 ... ... @@ -124,7 +124,7 @@ 124 124 125 125 (% class="box infomessage" %) 126 126 ((( 127 -AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 152 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 128 128 ))) 129 129 130 130 a: length for the return of AT+COMMAND ... ... @@ -211,7 +211,7 @@ 211 211 212 212 ==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 213 213 214 -[[image: https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]239 +[[image:image-20220512104358-3.png]] 215 215 216 216 ((( 217 217 DOWNLINK ... ... @@ -222,12 +222,15 @@ 222 222 ))) 223 223 224 224 ((( 225 -Type Code 0xAF 250 +**Type Code 0xAF** 226 226 ))) 227 227 228 228 ((( 254 +(% class="box infomessage" %) 255 +((( 229 229 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 230 230 ))) 258 +))) 231 231 232 232 ((( 233 233 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -339,7 +339,7 @@ 339 339 ))) 340 340 341 341 ((( 342 - output :01 03 04 00 00 00 42 7A 02370 + output：01 03 04 00 00 00 42 7A 02 343 343 ))) 344 344 345 345 [[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
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