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... ... @@ -1,8 +6,3 @@ 1 -(% class="wikigeneratedid" %) 2 - **Contents:** 3 - 4 -{{toc/}} 5 - 6 6 = 1. Introduction = 7 7 8 8 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. ... ... @@ -11,17 +11,15 @@ 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:image -20220527091852-1.png]]9 +[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]] 15 15 16 16 Connection 17 17 18 18 14 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 19 19 20 -[[image:image-20220527091942-2.png]](% style="display:none" %) 21 - 22 22 Connection 23 23 24 - 25 25 Related documents: 26 26 27 27 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -32,12 +32,12 @@ 32 32 33 33 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: 34 34 35 -[[image:image -20220527092058-3.png]]28 +[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]] 36 36 37 37 Connection 38 38 39 39 40 -[[image:image -20220527092146-4.png]]33 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 41 41 42 42 Connection 43 43 ... ... @@ -44,8 +44,6 @@ 44 44 * [[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 45 45 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 46 46 47 -== == 48 - 49 49 == 1.3 Example3: Use RS485-LN with energy meters == 50 50 51 51 === 1.3.1 OverView === ... ... @@ -58,11 +58,10 @@ 58 58 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 59 59 ))) 60 60 61 -[[image:image -20220527092419-5.png]]52 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]] 62 62 63 63 Connection1 64 64 65 - 66 66 ((( 67 67 How to connect with Energy Meter： 68 68 ))) ... ... @@ -87,12 +87,12 @@ 87 87 Once there is power, the RS485-LN will be on. 88 88 ))) 89 89 90 -[[image:image -20220527092514-6.png]]80 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]] 91 91 92 92 Connection2 93 93 94 94 95 -[[image:image -20220527092555-7.png]]85 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]] 96 96 97 97 Connection3 98 98 ... ... @@ -101,12 +101,11 @@ 101 101 102 102 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. 103 103 104 -[[image:image -20220527092629-8.png]]94 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 105 105 106 - 107 107 (% class="box infomessage" %) 108 108 ((( 109 - **Example:**AT+COMMAND1=01 03 00 00 00 01 84 0A98 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 110 110 ))) 111 111 112 112 * The first byte : slave address code (=001～247) ... ... @@ -121,7 +121,7 @@ 121 121 122 122 (% class="box infomessage" %) 123 123 ((( 124 - **Example:**RETURN1：01 03 02 08 FD 7E 05113 +Example:RETURN1：01 03 02 08 FD 7E 05 125 125 ))) 126 126 127 127 * The first byte ARD: slave address code (=001～254) ... ... @@ -131,16 +131,10 @@ 131 131 * The 6th and 7th bytes: CRC16 checksum 132 132 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 133 133 134 -(% class="wikigeneratedid" %) 135 -((( 136 - 137 -))) 138 - 139 139 === 1.3.3 How to configure RS485-LN and parse output commands === 140 140 141 141 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 142 142 143 - 144 144 ==== 1.3.3.1 via AT COMMAND: ==== 145 145 146 146 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. ... ... @@ -149,14 +149,13 @@ 149 149 If the configured parameters and commands are incorrect, the return value is not obtained. 150 150 ))) 151 151 152 -[[image:image -20220527092748-9.png]]135 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 153 153 154 154 AT COMMAND 155 155 156 - 157 157 (% class="box infomessage" %) 158 158 ((( 159 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 141 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 160 160 ))) 161 161 162 162 a: length for the return of AT+COMMAND ... ... @@ -165,23 +165,22 @@ 165 165 166 166 c: define the position for valid value. 167 167 168 -[[image:image -20220527092936-10.png]]150 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 169 169 170 170 AT COMMAND 171 171 172 - 173 173 PAYLOAD is available after the valid value is intercepted. 174 174 175 175 176 -[[image:image -20220527093059-11.png]]157 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 177 177 178 178 AT COMMAND 179 179 180 - 181 181 You can get configured PAYLOAD on TTN. 182 182 183 -[[image:image-20220527093133-12.png]] 184 184 164 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 165 + 185 185 ((( 186 186 AT COMMAND 187 187 ))) ... ... @@ -230,14 +230,14 @@ 230 230 Payload:01 00 02 39 85 08 DC 00 00 00 44 231 231 ))) 232 232 233 -[[image:image -20220527093204-13.png]]214 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 234 234 235 235 AT COMMAND 236 236 218 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 237 237 238 -(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.** 239 239 240 -[[image:image -20220527093251-14.png]]221 +[[~[~[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]] 241 241 242 242 AT COMMAND 243 243 ... ... @@ -244,7 +244,7 @@ 244 244 245 245 ==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 246 246 247 -[[image:image -20220527093358-15.png]]228 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 248 248 249 249 ((( 250 250 DOWNLINK ... ... @@ -255,15 +255,12 @@ 255 255 ))) 256 256 257 257 ((( 258 - **Type Code 0xAF**239 +Type Code 0xAF 259 259 ))) 260 260 261 261 ((( 262 -(% class="box infomessage" %) 263 -((( 264 264 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 265 265 ))) 266 -))) 267 267 268 268 ((( 269 269 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -375,7 +375,7 @@ 375 375 ))) 376 376 377 377 ((( 378 - output ：01 03 04 00 00 00 42 7A 02356 + output:01 03 04 00 00 00 42 7A 02 379 379 ))) 380 380 381 381 [[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
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