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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 === ... ... @@ -49,28 +49,41 @@ 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 + 66 +((( 56 56 How to connect with Energy Meter： 68 +))) 57 57 70 +((( 58 58 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. 72 +))) 59 59 74 +((( 60 60 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 76 +))) 61 61 78 +((( 62 62 Power Source VIN to RS485-LN VIN+ 80 +))) 63 63 82 +((( 64 64 Power Source GND to RS485-LN VIN- 84 +))) 65 65 86 +((( 66 66 Once there is power, the RS485-LN will be on. 88 +))) 67 67 68 -[[image: https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]90 +[[image:image-20220527092514-6.png]] 69 69 70 70 Connection2 71 71 72 72 73 -[[image: https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]95 +[[image:image-20220527092555-7.png]] 74 74 75 75 Connection3 76 76 ... ... @@ -79,11 +79,12 @@ 79 79 80 80 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. 81 81 82 -[[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]] 83 83 106 + 84 84 (% class="box infomessage" %) 85 85 ((( 86 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 109 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 87 87 ))) 88 88 89 89 * The first byte : slave address code (=001～247) ... ... @@ -98,7 +98,7 @@ 98 98 99 99 (% class="box infomessage" %) 100 100 ((( 101 -Example:RETURN1：01 03 02 08 FD 7E 05 124 +**Example:** RETURN1：01 03 02 08 FD 7E 05 102 102 ))) 103 103 104 104 * The first byte ARD: slave address code (=001～254) ... ... @@ -108,10 +108,16 @@ 108 108 * The 6th and 7th bytes: CRC16 checksum 109 109 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 110 110 134 +(% class="wikigeneratedid" %) 135 +((( 136 + 137 +))) 138 + 111 111 === 1.3.3 How to configure RS485-LN and parse output commands === 112 112 113 113 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 114 114 143 + 115 115 ==== 1.3.3.1 via AT COMMAND: ==== 116 116 117 117 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. ... ... @@ -120,13 +120,14 @@ 120 120 If the configured parameters and commands are incorrect, the return value is not obtained. 121 121 ))) 122 122 123 -[[image: https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]152 +[[image:image-20220527092748-9.png]] 124 124 125 125 AT COMMAND 126 126 156 + 127 127 (% class="box infomessage" %) 128 128 ((( 129 -AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 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 130 130 ))) 131 131 132 132 a: length for the return of AT+COMMAND ... ... @@ -135,22 +135,23 @@ 135 135 136 136 c: define the position for valid value. 137 137 138 -[[image: https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]168 +[[image:image-20220527092936-10.png]] 139 139 140 140 AT COMMAND 141 141 172 + 142 142 PAYLOAD is available after the valid value is intercepted. 143 143 144 144 145 -[[image: https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]176 +[[image:image-20220527093059-11.png]] 146 146 147 147 AT COMMAND 148 148 180 + 149 149 You can get configured PAYLOAD on TTN. 150 150 183 +[[image:image-20220527093133-12.png]] 151 151 152 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 153 - 154 154 ((( 155 155 AT COMMAND 156 156 ))) ... ... @@ -199,14 +199,14 @@ 199 199 Payload:01 00 02 39 85 08 DC 00 00 00 44 200 200 ))) 201 201 202 -[[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]] 203 203 204 204 AT COMMAND 205 205 206 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 207 207 238 +(% 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.** 208 208 209 -[[ ~[~[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]] 210 210 211 211 AT COMMAND 212 212 ... ... @@ -213,7 +213,7 @@ 213 213 214 214 ==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 215 215 216 -[[image: https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]247 +[[image:image-20220527093358-15.png]] 217 217 218 218 ((( 219 219 DOWNLINK ... ... @@ -224,12 +224,15 @@ 224 224 ))) 225 225 226 226 ((( 227 -Type Code 0xAF 258 +**Type Code 0xAF** 228 228 ))) 229 229 230 230 ((( 262 +(% class="box infomessage" %) 263 +((( 231 231 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 232 232 ))) 266 +))) 233 233 234 234 ((( 235 235 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -275,17 +275,17 @@ 275 275 AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 276 276 ))) 277 277 278 -[[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]] 279 279 280 280 DOWNLINK 281 281 282 282 283 -[[ ~[~[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]] 284 284 285 285 DOWNLINK 286 286 287 287 288 -[[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]] 289 289 290 290 DOWNLINK 291 291 ... ... @@ -341,7 +341,7 @@ 341 341 ))) 342 342 343 343 ((( 344 - output :01 03 04 00 00 00 42 7A 02378 + output：01 03 04 00 00 00 42 7A 02 345 345 ))) 346 346 347 347 [[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
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