Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Xiaoling on 2025/04/23 15:56
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... ... @@ -1,1 +1,1 @@ 1 -RS485-LN – RS485 to LoRaWAN Converter 1 +RS485-LN – RS485 to LoRaWAN Converter User Manual - Content
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... ... @@ -1,17 +1,33 @@ 1 -(% style="text-align:center" %) 2 -[[image:1653266934636-343.png||height="385" width="385"]] 1 +(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %) 2 +((( 3 +(% data-widget="image" style="text-align:center" %) 4 +[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %) 3 3 6 +(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]] 7 +))) 4 4 5 5 6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual** 7 7 8 8 12 + 13 + 14 + 9 9 **Table of Contents:** 10 10 17 +{{toc/}} 11 11 12 12 20 +(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %) 21 +((( 22 +(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]] 23 +))) 13 13 14 14 26 + 27 + 28 + 29 + 30 + 15 15 = 1.Introduction = 16 16 17 17 == 1.1 What is RS485-LN RS485 to LoRaWAN Converter == ... ... @@ -18,25 +18,39 @@ 18 18 19 19 ((( 20 20 ((( 37 +((( 38 + 39 + 21 21 The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 22 22 ))) 42 +))) 23 23 24 24 ((( 45 +((( 25 25 RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. 26 26 ))) 48 +))) 27 27 28 28 ((( 51 +((( 29 29 (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server. 30 30 ))) 54 +))) 31 31 32 32 ((( 57 +((( 33 33 (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices. 59 +))) 34 34 61 +((( 35 35 (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]] 63 + 64 + 36 36 ))) 37 37 ))) 67 +))) 38 38 39 -[[image:1653267211009-519.png||height="419" width="724"]] 69 +(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 40 40 41 41 42 42 == 1.2 Specifications == ... ... @@ -74,7 +74,7 @@ 74 74 * Preamble detection. 75 75 * 127 dB Dynamic Range RSSI. 76 76 * Automatic RF Sense and CAD with ultra-fast AFC. 77 -* Packet engine up to 256 bytes with CRC .107 +* Packet engine up to 256 bytes with CRC 78 78 79 79 80 80 ... ... @@ -111,9 +111,13 @@ 111 111 112 112 ((( 113 113 ((( 144 +((( 114 114 v1.2: Add External Interrupt Pin. 146 +))) 115 115 148 +((( 116 116 v1.0: Release 150 +))) 117 117 118 118 119 119 ))) ... ... @@ -131,7 +131,7 @@ 131 131 Once there is power, the RS485-LN will be on. 132 132 ))) 133 133 134 -[[image:1653268091319-405.png]] 168 +(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 135 135 136 136 137 137 ))) ... ... @@ -141,7 +141,9 @@ 141 141 == 3.1 How it works? == 142 142 143 143 ((( 178 +((( 144 144 The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA. 180 +))) 145 145 146 146 147 147 ))) ... ... @@ -150,7 +150,7 @@ 150 150 151 151 Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 152 152 153 -[[image:1653268155545-638.png||height="334" width="724"]] 189 +(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 154 154 155 155 156 156 ((( ... ... @@ -162,14 +162,15 @@ 162 162 485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively. 163 163 ))) 164 164 165 -[[image:1653268227651-549.png||height="592" width="720"]] 201 +(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 166 166 203 + 167 167 ((( 168 -The LG308 is already set to connect to [[TTN V3 network >>path: eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:205 +The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3: 169 169 ))) 170 170 171 171 ((( 172 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 209 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 173 173 ))) 174 174 175 175 ((( ... ... @@ -177,8 +177,9 @@ 177 177 ))) 178 178 ))) 179 179 180 -[[image:1652953462722-299.png]] 217 +(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 181 181 219 + 182 182 ((( 183 183 ((( 184 184 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -185,32 +185,34 @@ 185 185 ))) 186 186 187 187 ((( 188 -Add APP EUI in the application. 226 +**Add APP EUI in the application.** 189 189 ))) 190 190 ))) 191 191 192 -[[image:image-20220519174512-1.png]] 230 +(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 193 193 194 -[[image:image-20220519174512-2.png||height="323" width="720"]] 232 +(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 195 195 196 -[[image:image-20220519174512-3.png||height="556" width="724"]] 234 +(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 197 197 198 -[[image:image-20220519174512-4.png]] 236 +(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 199 199 200 200 You can also choose to create the device manually. 201 201 202 -[[image:1652953542269-423.png||height="710" width="723"]] 240 +(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 203 203 204 -Add APP KEY and DEV EUI 205 205 206 -[[image:1652953553383-907.png||height="514" width="724"]] 207 207 244 +**Add APP KEY and DEV EUI** 208 208 246 +(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 247 + 248 + 209 209 ((( 210 -**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 250 +(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 211 211 ))) 212 212 213 -[[image:1652953568895-172.png||height="232" width="724"]] 253 +(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 214 214 215 215 216 216 == 3.3 Configure Commands to read data == ... ... @@ -217,11 +217,15 @@ 217 217 218 218 ((( 219 219 ((( 220 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 260 +((( 261 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 221 221 ))) 263 +))) 222 222 223 223 ((( 266 +((( 224 224 (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 268 +))) 225 225 226 226 227 227 ))) ... ... @@ -231,19 +231,19 @@ 231 231 232 232 To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 233 233 234 -(% border="1" style="background-color:#ffffcc; color:green; width: 782px" %)235 -|(% style="width:1 28px" %)(((278 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 279 +|=(% style="width: 110px;" %)((( 236 236 **AT Commands** 237 -)))|(% style="width: 305px" %)(((281 +)))|=(% style="width: 190px;" %)((( 238 238 **Description** 239 -)))|(% style="width: 346px" %)(((283 +)))|=(% style="width: 190px;" %)((( 240 240 **Example** 241 241 ))) 242 -|(% style="width:1 28px" %)(((286 +|(% style="width:110px" %)((( 243 243 AT+BAUDR 244 -)))|(% style="width: 305px" %)(((288 +)))|(% style="width:190px" %)((( 245 245 Set the baud rate (for RS485 connection). Default Value is: 9600. 246 -)))|(% style="width: 346px" %)(((290 +)))|(% style="width:190px" %)((( 247 247 ((( 248 248 AT+BAUDR=9600 249 249 ))) ... ... @@ -252,11 +252,11 @@ 252 252 Options: (1200,2400,4800,14400,19200,115200) 253 253 ))) 254 254 ))) 255 -|(% style="width:1 28px" %)(((299 +|(% style="width:110px" %)((( 256 256 AT+PARITY 257 -)))|(% style="width: 305px" %)(((301 +)))|(% style="width:190px" %)((( 258 258 Set UART parity (for RS485 connection) 259 -)))|(% style="width: 346px" %)(((303 +)))|(% style="width:190px" %)((( 260 260 ((( 261 261 AT+PARITY=0 262 262 ))) ... ... @@ -265,9 +265,9 @@ 265 265 Option: 0: no parity, 1: odd parity, 2: even parity 266 266 ))) 267 267 ))) 268 -|(% style="width:1 28px" %)(((312 +|(% style="width:110px" %)((( 269 269 AT+STOPBIT 270 -)))|(% style="width: 305px" %)(((314 +)))|(% style="width:190px" %)((( 271 271 ((( 272 272 Set serial stopbit (for RS485 connection) 273 273 ))) ... ... @@ -275,7 +275,7 @@ 275 275 ((( 276 276 277 277 ))) 278 -)))|(% style="width: 346px" %)(((322 +)))|(% style="width:190px" %)((( 279 279 ((( 280 280 AT+STOPBIT=0 for 1bit 281 281 ))) ... ... @@ -290,6 +290,8 @@ 290 290 ))) 291 291 292 292 337 + 338 + 293 293 === 3.3.2 Configure sensors === 294 294 295 295 ((( ... ... @@ -298,142 +298,71 @@ 298 298 ))) 299 299 ))) 300 300 301 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 302 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 303 -|AT+CFGDEV|(% style="width:418px" %)((( 347 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 348 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 349 +|AT+CFGDEV|(% style="width:110px" %)((( 350 +((( 304 304 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 352 +))) 305 305 354 +((( 306 306 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 356 +))) 307 307 358 +((( 308 308 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 309 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 360 +))) 361 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 310 310 311 311 312 312 365 + 313 313 === 3.3.3 Configure read commands for each sampling === 314 314 315 315 ((( 316 -RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink. 317 -))) 369 +During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload. 318 318 319 -((( 320 -During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload. 321 -))) 322 - 323 -((( 324 324 To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 325 -))) 326 326 327 -((( 328 328 This section describes how to achieve above goals. 329 -))) 330 330 331 -((( 332 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 333 -))) 375 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 334 334 335 -((( 336 -**Command from RS485-BL to Sensor:** 337 -))) 338 338 339 -((( 340 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 341 -))) 378 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 342 342 343 -((( 344 -**Handle return from sensors to RS485-BL**: 345 -))) 380 +~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar. 346 346 347 -((( 348 -After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands** 349 -))) 382 +2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar. 350 350 351 -* ((( 352 -**AT+DATACUT** 353 -))) 384 +3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms 354 354 355 -((( 356 -When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command. 357 -))) 358 358 359 -* ((( 360 -**AT+SEARCH** 361 -))) 362 - 363 -((( 364 -When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string. 365 -))) 366 - 367 -((( 368 -**Define wait timeout:** 369 -))) 370 - 371 -((( 372 -Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms 373 -))) 374 - 375 -((( 376 376 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 377 -))) 378 378 379 -**Examples:** 380 - 381 381 Below are examples for the how above AT Commands works. 382 382 383 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 384 384 385 -(% border="1" class="table-bordered" %) 386 -|((( 387 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 392 +(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 388 388 394 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 395 +|(% style="width:496px" %)((( 396 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 397 + 389 389 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 390 390 391 391 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 392 392 ))) 393 393 394 -((( 395 395 For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually. 396 -))) 397 397 398 -((( 399 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 400 -))) 405 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 401 401 402 -((( 403 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 404 -))) 405 405 406 -(% border="1" class="table-bordered" %) 407 -|((( 408 -**AT+SEARCHx=aa,xx xx xx xx xx** 408 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 409 409 410 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 411 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 412 - 413 - 414 -))) 415 - 416 -**Examples:** 417 - 418 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 419 - 420 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 421 - 422 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49** 423 - 424 -[[image:1653269403619-508.png]] 425 - 426 -2. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 427 - 428 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 429 - 430 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30** 431 - 432 -[[image:1653269438444-278.png]] 433 - 434 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 435 - 436 -|((( 410 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 411 +|(% style="width:510px" %)((( 437 437 **AT+DATACUTx=a,b,c** 438 438 439 439 * **a: length for the return of AT+COMMAND** ... ... @@ -441,48 +441,38 @@ 441 441 * **c: define the position for valid value. ** 442 442 ))) 443 443 444 -Examples: 419 +**Examples:** 445 445 446 -* Grab bytes :421 +* (% style="color:#037691" %)**Grab bytes** 447 447 448 -[[image: 1653269551753-223.png||height="311" width="717"]]423 +(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 449 449 450 -* Grab a section. 451 451 452 - [[image:1653269568276-930.png||height="325"width="718"]]426 +* (% style="color:#037691" %)**Grab a section** 453 453 454 - *Grab different sections.428 +(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 455 455 456 -[[image:1653269593172-426.png||height="303" width="725"]] 457 457 458 -(% style="color: red" %)**Note:**431 +* (% style="color:#037691" %)**Grab different sections** 459 459 460 - AT+SEARCHxand AT+DATACUTx canbeusedtogether,if bothcommands areset, RS485-BL willfirstprocess AT+SEARCHxon thereturn stringndmporary string, andthenprocessAT+DATACUTxthistemporary stringoget thefinalpayload. In this case,AT+DATACUTx needtosetformatAT+DATACUTx=0,xx,xxwherethereturnbytessetto 0.433 +(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 461 461 462 -Example: 463 463 464 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 436 + 437 +))) 465 465 466 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34 467 - 468 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5 469 - 470 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 471 - 472 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 473 - 474 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 475 - 476 -[[image:1653269618463-608.png]] 477 - 478 478 === 3.3.4 Compose the uplink payload === 479 479 480 480 ((( 481 481 Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 443 + 444 + 482 482 ))) 483 483 484 484 ((( 485 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 448 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 449 + 450 + 486 486 ))) 487 487 488 488 ((( ... ... @@ -501,10 +501,12 @@ 501 501 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 502 502 ))) 503 503 504 -[[image:1653269759169-150.png||height="513" width="716"]] 469 +(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 505 505 506 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 507 507 472 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 473 + 474 + 508 508 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 509 509 510 510 Final Payload is ... ... @@ -511,700 +511,996 @@ 511 511 512 512 (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 513 513 514 -1. Battery Info (2 bytes): Battery voltage 515 -1. PAYVER (1 byte): Defined by AT+PAYVER 516 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 517 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 518 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 519 519 520 -[[image:1653269916228-732.png||height="433" width="711"]] 482 +1. PAYVER: Defined by AT+PAYVER 483 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 484 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 485 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes 521 521 487 +(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 522 522 523 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 524 524 525 - DATA1=RETURN1Valid Value=(%style="background-color:green;color:white"%)20200a 33 90 41490 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 526 526 527 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10=(%style="background-color:green; color:white" %)02 aa0581 0a20492 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 528 528 529 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN10(%style="background-color:green;color:white"%)20 20 20 2d30494 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 530 530 531 - Belowareheuplinkpayloads:496 +DATA3=the rest of Valid value of RETURN10= **30** 532 532 533 -[[image:1653270130359-810.png]] 534 534 499 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below: 535 535 536 - (%style="color:red"%)**Notice:theMaxbytes is accordingto the maxsupportbytesin differentFrequencyBands forlowest SF.As below:**501 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 537 537 538 - ~*51 bytes for each uplink( so 51 -5 = 46 max valid date)503 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 539 539 540 - * For AU915/AS923bands,if UplinkDwell time=1, max 11 bytes( so 11 -5 = 6 max valid date).505 + * For US915 band, max 11 bytes for each uplink. 541 541 542 - * US915band,max 11bytes( so 11 -5 = 6 max valid date).507 + ~* For all other bands: max 51 bytes for each uplink. 543 543 544 - ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 545 545 546 - ===3.3.5Uplink on demand===510 +Below are the uplink payloads: 547 547 548 - Exceptuplinkperiodically,RS485-BLisable toThe server sends downlinkcommand toRS485-BLandRS485willuplinkdatabaseonthecommand.512 +(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 549 549 550 -Downlink control command: 551 551 552 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL. 553 553 554 - [[0xA8command>>path:#downlink_A8]]:Send a commandto RS485-BL anduplink theoutput fromsensors.516 +=== 3.3.5 Uplink on demand === 555 555 518 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command. 556 556 520 +Downlink control command: 557 557 558 -1. 559 -11. 560 -111. Uplink on Interrupt 522 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 561 561 562 - Putthe interruptsensorbetween3.3v_outandGPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]524 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 563 563 564 -AT+INTMOD=0 Disable Interrupt 565 565 566 -AT+INTMOD=1 Interrupt trigger by rising or falling edge. 567 567 568 - AT+INTMOD=2Interrupttrigger by falling edge. ( Default Value)528 +=== 3.3.6 Uplink on Interrupt === 569 569 570 - AT+INTMOD=3Interrupttriggerby risingedge.530 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 571 571 532 +(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 572 572 573 -1. 574 -11. Uplink Payload 534 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet. 575 575 576 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 577 -|Value|((( 578 -Battery(mV) 579 579 580 - &537 +== 3.4 Uplink Payload == 581 581 582 -Interrupt _Flag 583 -)))|((( 584 -PAYLOAD_VER 585 585 586 - 587 -)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 540 +(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 588 588 589 589 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 590 590 591 591 592 -fu nctionDecoder(bytes,port){545 +== 3.5 Configure RS485-LN via AT or Downlink == 593 593 594 -~/~/Payload Formats of RS485-BL Deceive 547 +((( 548 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 549 +))) 595 595 596 -return { 597 - 598 - ~/~/Battery,units:V 599 - 600 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 601 - 602 - ~/~/GPIO_EXTI 603 - 604 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 605 - 606 - ~/~/payload of version 607 - 608 - Pay_ver:bytes[2], 609 - 610 - }; 611 - 612 - } 613 - 614 - 615 - 616 - 617 - 618 - 619 - 620 -TTN V3 uplink screen shot. 621 - 622 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 623 - 624 -1. 625 -11. Configure RS485-BL via AT or Downlink 626 - 627 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 628 - 551 +((( 629 629 There are two kinds of Commands: 553 +))) 630 630 631 -* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands 555 +* ((( 556 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 557 +))) 632 632 633 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 559 +* ((( 560 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 561 +))) 634 634 635 - 1.636 - 11.637 - 111. Common Commands:563 +((( 564 + 565 +))) 638 638 639 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]] 640 640 568 +=== 3.5.1 Common Commands === 641 641 642 -1. 643 -11. 644 -111. Sensor related commands: 570 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 645 645 646 -==== Choose Device Type (RS485 or TTL) ==== 647 647 648 - RS485-BLcan connect to either RS485sensorsorTTL sensor. User need to specify whattypeof sensor needtoconnect.573 +=== 3.5.2 Sensor related commands === 649 649 650 - *ATCommand575 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server. 651 651 652 - **AT+MOD=1**~/~/SettoupportRS485-MODBUStypesensors.UsernectultiplyRS485,Modbus sensorsto theA/Bpins.577 +(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 653 653 654 - **AT+MOD=2** ~/~/ Set to supportTTLLevel sensors,Usercan connect oneTTLSensortotheTXD/RXD/GNDpins.579 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable) 655 655 656 656 657 - *DownlinkPayload582 +=== 3.5.3 Sensor related commands === 658 658 659 -**0A aa** à same as AT+MOD=aa 660 660 661 661 662 662 663 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====587 +==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ==== 664 664 665 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 589 +((( 590 +This command is used to configure the RS485 devices; they won’t be used during sampling. 591 +))) 666 666 667 -* AT Command 593 +* ((( 594 +(% style="color:#037691" %)**AT Command** 668 668 669 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 596 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 670 670 671 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 598 + 599 +))) 672 672 601 +((( 602 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 603 +))) 673 673 605 +* ((( 606 +(% style="color:#037691" %)**Downlink Payload** 607 +))) 674 674 675 -* Downlink Payload 676 - 609 +((( 677 677 Format: A8 MM NN XX XX XX XX YY 611 +))) 678 678 613 +((( 679 679 Where: 615 +))) 680 680 681 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 682 -* NN: The length of RS485 command 683 -* XX XX XX XX: RS485 command total NN bytes 684 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 617 +* ((( 618 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 619 +))) 620 +* ((( 621 +NN: The length of RS485 command 622 +))) 623 +* ((( 624 +XX XX XX XX: RS485 command total NN bytes 625 +))) 626 +* ((( 627 +((( 628 +YY: How many bytes will be uplink from the return of this RS485 command, 629 +))) 685 685 686 -**Example 1:** 631 +* ((( 632 +if YY=0, RS485-LN will execute the downlink command without uplink; 633 +))) 634 +* ((( 635 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 636 +))) 637 +* ((( 638 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 639 +))) 640 +))) 687 687 642 +((( 643 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 644 +))) 645 + 646 +((( 688 688 To connect a Modbus Alarm with below commands. 648 +))) 689 689 690 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 650 +* ((( 651 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 652 +))) 691 691 692 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 654 +* ((( 655 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 656 +))) 693 693 658 +((( 694 694 So if user want to use downlink command to control to RS485 Alarm, he can use: 660 +))) 695 695 696 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 662 +((( 663 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 664 +))) 697 697 698 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 666 +((( 667 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 668 +))) 699 699 670 +((( 700 700 A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output. 672 +))) 701 701 674 +((( 675 + 676 +))) 702 702 703 -**Example 2:** 678 +((( 679 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 680 +))) 704 704 705 -Check TTL Sensor return: 682 +((( 683 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 684 +))) 706 706 707 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 686 +((( 687 + 688 +))) 708 708 690 +((( 691 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is: 692 +))) 709 709 694 +((( 695 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 696 +))) 710 710 698 +((( 699 + (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 700 +))) 711 711 712 -==== Set Payload version ==== 713 713 714 -This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 715 715 716 -* AT Command: 717 717 718 - AT+PAYVER: Set PAYVER field=1705 +==== (% style="color:blue" %)**Set Payload version**(%%) ==== 719 719 707 +((( 708 +This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 709 +))) 720 720 721 -* Downlink Payload: 711 +* ((( 712 +(% style="color:#037691" %)**AT Command:** 722 722 723 - 0xAE01àSet PAYVER field =0x01714 +**AT+PAYVER: **Set PAYVER field = 1 724 724 725 -0xAE 0F à Set PAYVER field = 0x0F 716 + 717 +))) 718 +* ((( 719 +(% style="color:#037691" %)**Downlink Payload:** 720 +))) 726 726 722 +((( 723 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 724 +))) 727 727 728 -==== Set RS485 Sampling Commands ==== 726 +((( 727 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 728 +))) 729 729 730 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 731 731 732 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]]. 733 733 734 734 735 -* ATCommand:733 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 736 736 737 -AT+COMMANDx: Configure RS485 read command to sensor. 735 +((( 736 +AT+COMMANDx or AT+DATACUTx 737 +))) 738 738 739 -AT+DATACUTx: Configure how to handle return from RS485 devices. 739 +((( 740 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 741 +))) 740 740 741 -AT+SEARCHx: Configure search command 743 +((( 744 + 745 +))) 742 742 747 +* ((( 748 +(% style="color:#037691" %)**AT Command:** 749 +))) 743 743 744 -* wnlinkPayload:751 +**AT+COMMANDx: **Configure RS485 read command to sensor. 745 745 746 - 0xAFdownlinkcommandcanbeusedtoset AT+COMMANDx orAT+DATACUTx.753 +**AT+DATACUTx: **Configure how to handle return from RS485 devices. 747 747 748 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 749 749 750 -Format: AF MM NN LL XX XX XX XX YY 756 +* ((( 757 +(% style="color:#037691" %)**Downlink Payload:** 758 +))) 751 751 752 -Where: 760 +((( 761 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 762 +))) 753 753 754 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 755 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 756 -* LL: The length of AT+COMMAND or AT+DATACUT command 757 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 758 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 764 +((( 765 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 766 +))) 759 759 760 -Example: 768 +((( 769 +Format: AF MM NN LL XX XX XX XX YY 770 +))) 761 761 762 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 772 +((( 773 +Where: 774 +))) 763 763 764 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 776 +* ((( 777 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 778 +))) 779 +* ((( 780 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 781 +))) 782 +* ((( 783 +LL: The length of AT+COMMAND or AT+DATACUT command 784 +))) 785 +* ((( 786 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 787 +))) 788 +* ((( 789 +YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 790 +))) 765 765 766 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 792 +((( 793 +**Example:** 794 +))) 767 767 796 +((( 797 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 798 +))) 768 768 769 -0xAB downlink command can be used for set AT+SEARCHx 800 +((( 801 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10** 802 +))) 770 770 771 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 804 +((( 805 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10** 806 +))) 772 772 773 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 774 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands 775 775 776 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 777 777 778 778 779 -==== Fast command to handle MODBUS device ==== 811 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ==== 780 780 813 +((( 781 781 AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]]. 815 +))) 782 782 817 +((( 783 783 This command is valid since v1.3 firmware version 819 +))) 784 784 821 +((( 822 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 823 +))) 785 785 786 -AT+MBFUN has only two value: 825 +((( 826 + 827 +))) 787 787 788 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 829 +((( 830 +**Example:** 831 +))) 789 789 790 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 833 +* ((( 834 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 835 +))) 836 +* ((( 837 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 838 +))) 839 +* ((( 840 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 841 +))) 791 791 792 - *AT+MBFUN=0:DisableModbus fast reading.843 +(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 793 793 794 - Example:845 +(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 795 795 796 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 797 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 798 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 799 799 800 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 801 801 802 802 803 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]850 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ==== 804 804 852 +((( 853 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action. 854 +))) 805 805 806 -* Downlink Commands: 856 +((( 857 +Default value: 0, range: 0 ~~ 65 seconds 858 +))) 807 807 808 -A9 aa -à Same as AT+MBFUN=aa 860 +* ((( 861 +(% style="color:#037691" %)** AT Command:** 862 +))) 809 809 864 +(% class="box infomessage" %) 865 +((( 866 +((( 867 +**AT+CMDDLaa=hex(bb cc)*1000** 868 +))) 869 +))) 810 810 811 -==== RS485 command timeout ==== 871 +((( 872 +**Example:** 873 +))) 812 812 813 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action. 875 +((( 876 +**AT+CMDDL1=1000** to send the open time to 1000ms 877 +))) 814 814 815 -Default value: 0, range: 0 ~~ 5 seconds 879 +((( 880 + 881 +))) 816 816 883 +* ((( 884 +(% style="color:#037691" %)** Downlink Payload:** 885 +))) 817 817 818 -* AT Command: 887 +((( 888 +**0x AA aa bb cc** 889 +))) 819 819 820 -AT+CMDDLaa=hex(bb cc) 891 +((( 892 +Same as: AT+CMDDLaa=hex(bb cc)*1000 893 +))) 821 821 822 -Example: 895 +((( 896 + **Example:** 897 +))) 823 823 824 -**AT+CMDDL1=1000** to send the open time to 1000ms 899 +((( 900 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 901 +))) 825 825 826 826 827 -* Downlink Payload: 828 828 829 -0x AA aa bb cc 830 830 831 - Sameas:AT+CMDDLaa=hex(bb cc)906 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 832 832 833 - Example: 908 +((( 909 +Define to use one uplink or multiple uplinks for the sampling. 910 +))) 834 834 835 - 0xAA 01 03 E8 à Same as **AT+CMDDL1=1000 ms** 912 +((( 913 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 914 +))) 836 836 916 +* ((( 917 +(% style="color:#037691" %)** AT Command:** 918 +))) 837 837 838 - ==== [[Uplink>>path:#downlink_A8]] payload mode====920 +**AT+DATAUP=0** 839 839 840 -D efine to use one uplink or multiple uplinks for the sampling.922 +**AT+DATAUP=1** 841 841 842 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 843 843 844 -* AT Command: 925 +* ((( 926 +(% style="color:#037691" %)** Downlink Payload:** 927 +))) 845 845 846 -AT+DATAUP=0 929 +((( 930 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 931 +))) 847 847 848 -AT+DATAUP=1 933 +((( 934 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 935 +))) 849 849 850 850 851 -* Downlink Payload: 852 852 853 -0xAD 00 à Same as AT+DATAUP=0 854 854 855 - 0xAD01àSame asAT+DATAUP=1940 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 856 856 942 +((( 943 +Ask device to send an uplink immediately. 944 +))) 857 857 858 -==== Manually trigger an Uplink ==== 946 +* ((( 947 +(% style="color:#037691" %)** AT Command:** 948 +))) 859 859 860 -Ask device to send an uplink immediately. 950 +((( 951 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 952 +))) 861 861 862 -* Downlink Payload: 954 +((( 955 + 956 +))) 863 863 864 -0x08 FF, RS485-BL will immediately send an uplink. 958 +* ((( 959 +(% style="color:#037691" %)** Downlink Payload:** 960 +))) 865 865 962 +((( 963 +**0x08 FF**, RS485-LN will immediately send an uplink. 964 +))) 866 866 867 -==== Clear RS485 Command ==== 868 868 869 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 870 870 871 871 872 -* ATCommand:969 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ==== 873 873 971 +((( 972 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 973 +))) 974 + 975 +* ((( 976 +(% style="color:#037691" %)** AT Command:** 977 +))) 978 + 979 +((( 874 874 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 981 +))) 875 875 983 +((( 876 876 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 985 +))) 877 877 987 +((( 878 878 Example screen shot after clear all RS485 commands. 989 +))) 879 879 991 +((( 992 + 993 +))) 880 880 881 - 995 +((( 882 882 The uplink screen shot is: 997 +))) 883 883 884 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]999 +(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 885 885 886 886 887 -* Downlink Payload: 1002 +* ((( 1003 +(% style="color:#037691" %)** Downlink Payload:** 1004 +))) 888 888 889 -0x09 aa bb same as AT+CMDEAR=aa,bb 1006 +((( 1007 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 1008 +))) 890 890 891 891 892 -==== Set Serial Communication Parameters ==== 893 893 1012 + 1013 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ==== 1014 + 1015 +((( 894 894 Set the Rs485 serial communication parameters: 1017 +))) 895 895 896 -* AT Command: 1019 +* ((( 1020 +(% style="color:#037691" %)** AT Command:** 1021 +))) 897 897 1023 +((( 898 898 Set Baud Rate: 1025 +))) 899 899 900 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 901 901 1028 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 902 902 903 -Set UART parity 904 904 905 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1031 +((( 1032 +Set UART Parity 1033 +))) 906 906 907 907 1036 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1037 + 1038 + 1039 +((( 908 908 Set STOPBIT 1041 +))) 909 909 910 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 911 911 1044 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 912 912 913 -* Downlink Payload: 914 914 915 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1047 +* ((( 1048 +(% style="color:#037691" %)** Downlink Payload:** 1049 +))) 916 916 917 -Example: 1051 +((( 1052 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1053 +))) 918 918 919 -* A7 01 00 60 same as AT+BAUDR=9600 920 -* A7 01 04 80 same as AT+BAUDR=115200 1055 +((( 1056 +**Example:** 1057 +))) 921 921 1059 +* ((( 1060 +A7 01 00 60 same as AT+BAUDR=9600 1061 +))) 1062 +* ((( 1063 +A7 01 04 80 same as AT+BAUDR=115200 1064 +))) 1065 + 1066 +((( 922 922 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1068 +))) 923 923 1070 +((( 924 924 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1072 +))) 925 925 926 926 927 -==== Control output power duration ==== 928 928 929 -User can set the output power duration before each sampling. 930 930 931 - *ATCommand:1077 +== 3.6 Listening mode for RS485 network == 932 932 933 -Example: 1079 +((( 1080 +This feature support since firmware v1.4 1081 +))) 934 934 935 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1083 +((( 1084 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 1085 +))) 936 936 937 - AT+5VT=1000~/~/+5Voutput powerlopen1sbefore each sampling.1087 +(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 938 938 1089 +((( 1090 +To enable the listening mode, use can run the command AT+RXMODE. 1091 +))) 939 939 940 -* LoRaWAN Downlink Command: 1093 +((( 1094 + 1095 +))) 941 941 942 -07 01 aa bb Same as AT+5VT=(aa bb) 1097 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1098 +|=(% style="width: 100px;" %)((( 1099 +**Command example** 1100 +)))|=(% style="width: 400px;" %)((( 1101 +**Function** 1102 +))) 1103 +|(% style="width:100px" %)((( 1104 +AT+RXMODE=1,10 1105 +)))|(% style="width:400px" %)((( 1106 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 1107 +))) 1108 +|(% style="width:100px" %)((( 1109 +AT+RXMODE=2,500 1110 +)))|(% style="width:400px" %)((( 1111 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 1112 +))) 1113 +|(% style="width:100px" %)((( 1114 +AT+RXMODE=0,0 1115 +)))|(% style="width:400px" %)((( 1116 +Disable listening mode. This is the default settings. 1117 +))) 1118 +|(% style="width:100px" %)((( 1119 + 1120 +)))|(% style="width:400px" %)((( 1121 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1122 +))) 943 943 944 -07 02 aa bb Same as AT+3V3T=(aa bb) 1124 +((( 1125 +**Downlink Command:** 1126 +))) 945 945 1128 +((( 1129 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1130 +))) 946 946 1132 +((( 1133 + 1134 +))) 947 947 1136 +((( 1137 +**Example**: 1138 +))) 948 948 949 -1. 950 -11. Buttons 1140 +((( 1141 +The RS485-LN is set to AT+RXMODE=2,1000 1142 +))) 951 951 952 -|**Button**|**Feature** 953 -|**RST**|Reboot RS485-BL 1144 +((( 1145 +There is a two Modbus commands in the RS485 network as below: 1146 +))) 954 954 955 -1. 956 -11. +3V3 Output 1148 +((( 1149 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1150 +))) 957 957 958 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1152 +((( 1153 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1154 +))) 959 959 960 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 1156 +((( 1157 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1158 +))) 961 961 1160 +((( 1161 +(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1162 +))) 962 962 963 -The +3V3 output time can be controlled by AT Command. 1164 +((( 1165 + 1166 +))) 964 964 965 -**AT+3V3T=1000** 1168 +((( 1169 +((( 1170 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1171 +))) 1172 +))) 966 966 967 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 968 968 1175 +== 3.7 Buttons == 969 969 970 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 971 971 1178 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1179 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1180 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink** 1181 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1182 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 972 972 973 -1. 974 -11. +5V Output 1184 +== 3.8 LEDs == 975 975 976 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 977 977 978 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 1187 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1188 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1189 +|**PWR**|Always on if there is power 1190 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 979 979 1192 += 4. Case Study = 980 980 981 - The5Voutputtime canbecontrolledbyATCommand.1194 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] 982 982 983 -**AT+5VT=1000** 984 984 985 - Meansset5V valid time to have 1000ms.So, thereal5Voutput will actually have 1000ms + samplingtime for other sensors.1197 += 5. Use AT Command = 986 986 1199 +== 5.1 Access AT Command == 987 987 988 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 1201 +((( 1202 +RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below. 1203 +))) 989 989 1205 +(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 990 990 991 991 1208 +((( 1209 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference: 1210 +))) 992 992 993 -1. 994 -11. LEDs 1212 +(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 995 995 996 -|**LEDs**|**Feature** 997 -|**LED1**|Blink when device transmit a packet. 998 998 999 -1. 1000 -11. Switch Jumper 1001 - 1002 -|**Switch Jumper**|**Feature** 1003 -|**SW1**|((( 1004 -ISP position: Upgrade firmware via UART 1005 - 1006 -Flash position: Configure device, check running status. 1215 +((( 1216 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1007 1007 ))) 1008 -|**SW2**|((( 1009 -5V position: set to compatible with 5v I/O. 1010 1010 1011 -3.3v position: set to compatible with 3.3v I/O., 1012 -))) 1013 1013 1014 -+3.3V: is always ON 1015 1015 1016 - +5V:Onlyopen before every sampling.Thetime is bydefault, it is AT+5VT=0. Max opentime.5000 ms.1221 +== 5.2 Common AT Command Sequence == 1017 1017 1018 - 1.CaseStudy1223 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1019 1019 1020 - Usercan checkthisURL forsomecasestudies.1225 +If device has not joined network yet: 1021 1021 1022 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]] 1227 +(% class="box infomessage" %) 1228 +((( 1229 +**AT+FDR** 1230 +))) 1023 1023 1232 +(% class="box infomessage" %) 1233 +((( 1234 +**AT+NJM=0** 1235 +))) 1024 1024 1237 +(% class="box infomessage" %) 1238 +((( 1239 +**ATZ** 1240 +))) 1025 1025 1026 1026 1027 -1. Use AT Command 1028 -11. Access AT Command 1243 +((( 1244 +If device already joined network: 1245 +))) 1029 1029 1030 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 1247 +(% class="box infomessage" %) 1248 +((( 1249 +**AT+NJM=0** 1250 +))) 1031 1031 1032 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] 1252 +(% class="box infomessage" %) 1253 +((( 1254 +**ATZ** 1255 +))) 1033 1033 1034 1034 1035 - InPC,User needs to set **serialtool**(suchs [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]],SecureCRT)baudrateto **9600** to access to accessserial console of RS485-BL. Thedefault password is123456.Below is the output for reference:1258 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1036 1036 1037 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]] 1038 1038 1261 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1039 1039 1263 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1040 1040 1041 - MoredetailAT Commandmanualanbefound at[[AT CommandManual>>path:#AT_COMMAND]]1265 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1042 1042 1267 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1043 1043 1269 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1044 1044 1045 -1. 1046 -11. Common AT Command Sequence 1047 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1271 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1048 1048 1049 - Ifdevicehasnotjoinednetworkyet:1273 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1050 1050 1051 -AT+ FDR1275 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1052 1052 1053 -AT+ NJM=01277 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1054 1054 1055 -ATZ 1279 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1056 1056 1057 1057 1058 - Ifdevice alreadyjoined network:1282 +(% style="color:red" %)**Note:** 1059 1059 1060 -AT+NJM=0 1284 +((( 1285 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1286 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1287 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1288 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 1289 +))) 1061 1061 1062 -A TZ1291 +(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1063 1063 1064 -1. 1065 -11. 1066 -111. Single-channel ABP mode (Use with LG01/LG02) 1067 1067 1068 - AT+FDRResetParameters toFactoryDefault, Keys Reserve1294 += 6. FAQ = 1069 1069 1070 - AT+NJM=0SettoABPmode1296 +== 6.1 How to upgrade the image? == 1071 1071 1072 -AT+ADR=0 Set the Adaptive Data Rate Off 1298 +((( 1299 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1300 +))) 1073 1073 1074 -AT+DR=5 Set Data Rate 1302 +* ((( 1303 +Support new features 1304 +))) 1305 +* ((( 1306 +For bug fix 1307 +))) 1308 +* ((( 1309 +Change LoRaWAN bands. 1310 +))) 1075 1075 1076 -AT+TDC=60000 Set transmit interval to 60 seconds 1312 +((( 1313 +Below shows the hardware connection for how to upload an image to RS485-LN: 1314 +))) 1077 1077 1078 - AT+CHS=868400000Set transmit frequencyto868.4Mhz1316 +(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1079 1079 1080 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1318 +((( 1319 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1320 +))) 1081 1081 1082 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1322 +((( 1323 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1324 +))) 1083 1083 1084 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1326 +((( 1327 +**Step3: **Open flashloader; choose the correct COM port to update. 1328 +))) 1085 1085 1086 -ATZ Reset MCU 1330 +((( 1331 +((( 1332 +((( 1333 +(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program. 1334 +))) 1335 +))) 1336 +))) 1087 1087 1088 -**Note:** 1089 1089 1090 -1. Make sure the device is set to ABP mode in the IoT Server. 1091 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1092 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1093 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 1339 +(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1094 1094 1095 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1096 1096 1342 +(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1097 1097 1098 -1. FAQ 1099 -11. How to upgrade the image? 1100 1100 1101 - TheRS485-BLLoRaWANController isshipped3.5mmcable,the cable isusedtouploadimagetoRS485-BLto:1345 +(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1102 1102 1103 -* Support new features 1104 -* For bug fix 1105 -* Change LoRaWAN bands. 1106 1106 1107 - Belowshows thehardware connection forhowto uploadanimageto RS485-BL:1348 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1108 1108 1109 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1350 +(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1110 1110 1111 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1112 1112 1113 - **Step2**:Downloadthe[[LT Imagefiles>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1353 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1114 1114 1115 - **Step3:**Openflashloader;choose thecorrectCOMportto update.1355 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1116 1116 1117 1117 1118 -|((( 1119 -HOLD PRO then press the RST button, SYS will be ON, then click next 1120 -))) 1358 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1121 1121 1122 -|((( 1123 -Board detected 1124 -))) 1360 +The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 1125 1125 1126 -|((( 1127 - 1128 -))) 1129 1129 1130 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]1363 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1131 1131 1365 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1132 1132 1367 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1133 1133 1134 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] 1135 1135 1370 += 7. Trouble Shooting = 1136 1136 1137 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]1372 +== 7.1 Downlink doesn’t work, how to solve it? == 1138 1138 1374 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1139 1139 1140 -1. 1141 -11. How to change the LoRa Frequency Bands/Region? 1142 1142 1143 - Usercanfollow theintroductionfor[[howto upgradeimage>>path:#upgrade_image]]. Whendownloadtheimages, choose the required image file for download.1377 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1144 1144 1379 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1145 1145 1146 1146 1147 -1. 1148 -11. How many RS485-Slave can RS485-BL connects? 1382 += 8. Order Info = 1149 1149 1150 - TheRS485-BL cansupportmax 32 RS485 devices. Each uplink commandof RS485-BL can support max 16 differentRS485command. So RS485-BLcan support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].1384 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1151 1151 1386 +(% style="color:blue" %)**XXX:** 1152 1152 1388 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1389 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1390 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1391 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1392 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1393 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1394 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1395 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1396 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1397 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1153 1153 1399 += 9.Packing Info = 1154 1154 1155 -1. Trouble Shooting 1156 -11. Downlink doesn’t work, how to solve it? 1157 1157 1158 -P leasesee this link fordebug:1402 +**Package Includes**: 1159 1159 1160 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 1404 +* RS485-LN x 1 1405 +* Stick Antenna for LoRa RF part x 1 1406 +* Program cable x 1 1161 1161 1408 +**Dimension and weight**: 1162 1162 1410 +* Device Size: 13.5 x 7 x 3 cm 1411 +* Device Weight: 105g 1412 +* Package Size / pcs : 14.5 x 8 x 5 cm 1413 +* Weight / pcs : 170g 1163 1163 1164 -1. 1165 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1415 += 10. FCC Caution for RS485LN-US915 = 1166 1166 1167 -It might about the channels mapping. Please see for detail. 1417 +((( 1418 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1419 +))) 1168 1168 1169 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]] 1421 +((( 1422 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 1423 +))) 1170 1170 1425 +((( 1426 + 1427 +))) 1171 1171 1429 +((( 1430 +**IMPORTANT NOTE:** 1431 +))) 1172 1172 1173 -1. Order Info 1433 +((( 1434 +**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 1435 +))) 1174 1174 1175 -**Part Number: RS485-BL-XXX** 1437 +((( 1438 +—Reorient or relocate the receiving antenna. 1439 +))) 1176 1176 1177 -**XXX:** 1441 +((( 1442 +—Increase the separation between the equipment and receiver. 1443 +))) 1178 1178 1179 -* **EU433**: frequency bands EU433 1180 -* **EU868**: frequency bands EU868 1181 -* **KR920**: frequency bands KR920 1182 -* **CN470**: frequency bands CN470 1183 -* **AS923**: frequency bands AS923 1184 -* **AU915**: frequency bands AU915 1185 -* **US915**: frequency bands US915 1186 -* **IN865**: frequency bands IN865 1187 -* **RU864**: frequency bands RU864 1188 -* **KZ865: **frequency bands KZ865 1445 +((( 1446 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1447 +))) 1189 1189 1190 -1. Packing Info 1449 +((( 1450 +—Consult the dealer or an experienced radio/TV technician for help. 1451 +))) 1191 1191 1192 -**Package Includes**: 1453 +((( 1454 + 1455 +))) 1193 1193 1194 - * RS485-BL x 11195 -* Stick AntennaforLoRaRF partx 11196 - * Program cable x 11457 +((( 1458 +**FCC Radiation Exposure Statement:** 1459 +))) 1197 1197 1198 -**Dimension and weight**: 1461 +((( 1462 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 1463 +))) 1199 1199 1200 -* Device Size: 13.5 x 7 x 3 cm 1201 -* Device Weight: 105g 1202 -* Package Size / pcs : 14.5 x 8 x 5 cm 1203 -* Weight / pcs : 170g 1204 1204 1205 -1. Support 1466 += 11. Support = 1206 1206 1207 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1208 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 1209 - 1210 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1468 +* ((( 1469 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1470 +))) 1471 +* ((( 1472 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]. 1473 +)))
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