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... ... @@ -11,15 +11,17 @@ 11 11 12 12 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: 13 13 14 -[[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]] 15 15 16 16 Connection 17 17 18 18 19 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 20 20 20 +[[image:image-20220527091942-2.png]](% style="display:none" %) 21 + 21 21 Connection 22 22 24 + 23 23 Related documents: 24 24 25 25 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -26,16 +26,17 @@ 26 26 * [[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. 27 27 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 28 28 31 + 29 29 == 1.2 Example 2: Connect to Pulse Counter == 30 30 31 31 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: 32 32 33 -[[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]] 34 34 35 35 Connection 36 36 37 37 38 -[[image: https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]41 +[[image:image-20220527092146-4.png]] 39 39 40 40 Connection 41 41 ... ... @@ -42,6 +42,9 @@ 42 42 * [[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 43 43 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 44 44 48 +(% class="wikigeneratedid" %) 49 +== == 50 + 45 45 == 1.3 Example3: Use RS485-LN with energy meters == 46 46 47 47 === 1.3.1 OverView === ... ... @@ -54,10 +54,11 @@ 54 54 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 55 55 ))) 56 56 57 -[[image: https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]63 +[[image:image-20220527092419-5.png]] 58 58 59 59 Connection1 60 60 67 + 61 61 ((( 62 62 How to connect with Energy Meter: 63 63 ))) ... ... @@ -82,12 +82,12 @@ 82 82 Once there is power, the RS485-LN will be on. 83 83 ))) 84 84 85 -[[image: https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]92 +[[image:image-20220527092514-6.png]] 86 86 87 87 Connection2 88 88 89 89 90 -[[image: https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]97 +[[image:image-20220527092555-7.png]] 91 91 92 92 Connection3 93 93 ... ... @@ -96,11 +96,12 @@ 96 96 97 97 If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 98 98 99 -[[image: https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]106 +[[image:image-20220527092629-8.png]] 100 100 108 + 101 101 (% class="box infomessage" %) 102 102 ((( 103 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 111 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 104 104 ))) 105 105 106 106 * The first byte : slave address code (=001~247) ... ... @@ -115,7 +115,7 @@ 115 115 116 116 (% class="box infomessage" %) 117 117 ((( 118 -Example:RETURN1:01 03 02 08 FD 7E 05 126 +**Example:** RETURN1:01 03 02 08 FD 7E 05 119 119 ))) 120 120 121 121 * The first byte ARD: slave address code (=001~254) ... ... @@ -125,10 +125,16 @@ 125 125 * The 6th and 7th bytes: CRC16 checksum 126 126 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 127 127 136 +(% class="wikigeneratedid" %) 137 +((( 138 + 139 +))) 140 + 128 128 === 1.3.3 How to configure RS485-LN and parse output commands === 129 129 130 130 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 131 131 145 + 132 132 ==== 1.3.3.1 via AT COMMAND: ==== 133 133 134 134 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. ... ... @@ -137,10 +137,11 @@ 137 137 If the configured parameters and commands are incorrect, the return value is not obtained. 138 138 ))) 139 139 140 -[[image: https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]154 +[[image:image-20220527092748-9.png]] 141 141 142 142 AT COMMAND 143 143 158 + 144 144 (% class="box infomessage" %) 145 145 ((( 146 146 AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c ... ... @@ -152,22 +152,23 @@ 152 152 153 153 c: define the position for valid value. 154 154 155 -[[image: https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]170 +[[image:image-20220527092936-10.png]] 156 156 157 157 AT COMMAND 158 158 174 + 159 159 PAYLOAD is available after the valid value is intercepted. 160 160 161 161 162 -[[image: https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]178 +[[image:image-20220527093059-11.png]] 163 163 164 164 AT COMMAND 165 165 182 + 166 166 You can get configured PAYLOAD on TTN. 167 167 185 +[[image:image-20220527093133-12.png]] 168 168 169 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 170 - 171 171 ((( 172 172 AT COMMAND 173 173 ))) ... ... @@ -216,15 +216,15 @@ 216 216 Payload:01 00 02 39 85 08 DC 00 00 00 44 217 217 ))) 218 218 219 -[[image: https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]235 +[[image:image-20220527093204-13.png]] 220 220 221 221 AT COMMAND 222 222 239 + 223 223 01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 224 224 242 +[[image:image-20220527093251-14.png]] 225 225 226 -[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]] 227 - 228 228 AT COMMAND 229 229 230 230
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