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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. ... ... @@ -6,15 +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 13 14 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 15 15 20 +[[image:image-20220527091942-2.png]](% style="display:none" %) 21 + 16 16 Connection 17 17 24 + 18 18 Related documents: 19 19 20 20 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -25,12 +25,12 @@ 25 25 26 26 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: 27 27 28 -[[image: https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]35 +[[image:image-20220527092058-3.png]] 29 29 30 30 Connection 31 31 32 32 33 -[[image: https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]40 +[[image:image-20220527092146-4.png]] 34 34 35 35 Connection 36 36 ... ... @@ -37,6 +37,8 @@ 37 37 * [[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 38 38 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 39 39 47 +== == 48 + 40 40 == 1.3 Example3: Use RS485-LN with energy meters == 41 41 42 42 === 1.3.1 OverView === ... ... @@ -49,10 +49,11 @@ 49 49 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 50 50 ))) 51 51 52 -[[image: https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]61 +[[image:image-20220527092419-5.png]] 53 53 54 54 Connection1 55 55 65 + 56 56 ((( 57 57 How to connect with Energy Meter： 58 58 ))) ... ... @@ -77,12 +77,12 @@ 77 77 Once there is power, the RS485-LN will be on. 78 78 ))) 79 79 80 -[[image: https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]90 +[[image:image-20220527092514-6.png]] 81 81 82 82 Connection2 83 83 84 84 85 -[[image: https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]95 +[[image:image-20220527092555-7.png]] 86 86 87 87 Connection3 88 88 ... ... @@ -91,11 +91,12 @@ 91 91 92 92 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. 93 93 94 -[[image: https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]104 +[[image:image-20220527092629-8.png]] 95 95 106 + 96 96 (% class="box infomessage" %) 97 97 ((( 98 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 109 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 99 99 ))) 100 100 101 101 * The first byte : slave address code (=001～247) ... ... @@ -110,7 +110,7 @@ 110 110 111 111 (% class="box infomessage" %) 112 112 ((( 113 -Example:RETURN1：01 03 02 08 FD 7E 05 124 +**Example:** RETURN1：01 03 02 08 FD 7E 05 114 114 ))) 115 115 116 116 * The first byte ARD: slave address code (=001～254) ... ... @@ -120,10 +120,16 @@ 120 120 * The 6th and 7th bytes: CRC16 checksum 121 121 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 122 122 134 +(% class="wikigeneratedid" %) 135 +((( 136 + 137 +))) 138 + 123 123 === 1.3.3 How to configure RS485-LN and parse output commands === 124 124 125 125 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 126 126 143 + 127 127 ==== 1.3.3.1 via AT COMMAND: ==== 128 128 129 129 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. ... ... @@ -132,10 +132,11 @@ 132 132 If the configured parameters and commands are incorrect, the return value is not obtained. 133 133 ))) 134 134 135 -[[image: https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]152 +[[image:image-20220527092748-9.png]] 136 136 137 137 AT COMMAND 138 138 156 + 139 139 (% class="box infomessage" %) 140 140 ((( 141 141 AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c ... ... @@ -147,22 +147,23 @@ 147 147 148 148 c: define the position for valid value. 149 149 150 -[[image: https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]168 +[[image:image-20220527092936-10.png]] 151 151 152 152 AT COMMAND 153 153 172 + 154 154 PAYLOAD is available after the valid value is intercepted. 155 155 156 156 157 -[[image: https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]176 +[[image:image-20220527093059-11.png]] 158 158 159 159 AT COMMAND 160 160 180 + 161 161 You can get configured PAYLOAD on TTN. 162 162 183 +[[image:image-20220527093133-12.png]] 163 163 164 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 165 - 166 166 ((( 167 167 AT COMMAND 168 168 ))) ... ... @@ -211,14 +211,14 @@ 211 211 Payload:01 00 02 39 85 08 DC 00 00 00 44 212 212 ))) 213 213 214 -[[image: https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]233 +[[image:image-20220527093204-13.png]] 215 215 216 216 AT COMMAND 217 217 218 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 219 219 238 +(% 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.** 220 220 221 -[[ ~[~[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]]240 +[[image:image-20220527093251-14.png]] 222 222 223 223 AT COMMAND 224 224 ... ... @@ -225,7 +225,7 @@ 225 225 226 226 ==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 227 227 228 -[[image:image-202205 12104358-3.png]]247 +[[image:image-20220527093358-15.png]] 229 229 230 230 ((( 231 231 DOWNLINK ... ... @@ -290,17 +290,17 @@ 290 290 AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 291 291 ))) 292 292 293 -[[image: https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]312 +[[image:image-20220527093430-16.png]] 294 294 295 295 DOWNLINK 296 296 297 297 298 -[[ ~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]]317 +[[image:image-20220527093508-17.png]] 299 299 300 300 DOWNLINK 301 301 302 302 303 -[[image: https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]322 +[[image:image-20220527093530-18.png]] 304 304 305 305 DOWNLINK 306 306
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