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 ))) ... ... @@ -289,8 +289,6 @@ 289 289 ))) 290 290 ))) 291 291 292 - 293 - 294 294 === 3.3.2 Configure sensors === 295 295 296 296 ((( ... ... @@ -299,142 +299,68 @@ 299 299 ))) 300 300 ))) 301 301 302 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 303 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 304 -|AT+CFGDEV|(% style="width:418px" %)((( 344 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 345 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 346 +|AT+CFGDEV|(% style="width:110px" %)((( 347 +((( 305 305 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 349 +))) 306 306 351 +((( 307 307 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 353 +))) 308 308 355 +((( 309 309 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 310 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 357 +))) 358 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 311 311 312 - 313 - 314 314 === 3.3.3 Configure read commands for each sampling === 315 315 316 316 ((( 317 -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. 318 -))) 363 +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. 319 319 320 -((( 321 -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. 322 -))) 323 - 324 -((( 325 325 To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 326 -))) 327 327 328 -((( 329 329 This section describes how to achieve above goals. 330 -))) 331 331 332 -((( 333 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 334 -))) 369 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 335 335 336 -((( 337 -**Command from RS485-BL to Sensor:** 338 -))) 339 339 340 -((( 341 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 342 -))) 372 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 343 343 344 -((( 345 -**Handle return from sensors to RS485-BL**: 346 -))) 374 +~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. 347 347 348 -((( 349 -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** 350 -))) 376 +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. 351 351 352 -* ((( 353 -**AT+DATACUT** 354 -))) 378 +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 355 355 356 -((( 357 -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. 358 -))) 359 359 360 -* ((( 361 -**AT+SEARCH** 362 -))) 363 - 364 -((( 365 -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. 366 -))) 367 - 368 -((( 369 -**Define wait timeout:** 370 -))) 371 - 372 -((( 373 -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 374 -))) 375 - 376 -((( 377 377 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 378 -))) 379 379 380 -**Examples:** 381 - 382 382 Below are examples for the how above AT Commands works. 383 383 384 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 385 385 386 -(% border="1" class="table-bordered" %) 387 -|((( 388 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 386 +(% 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: 389 389 388 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 389 +|(% style="width:496px" %)((( 390 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 391 + 390 390 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 391 391 392 392 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 393 393 ))) 394 394 395 -((( 396 396 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. 397 -))) 398 398 399 -((( 400 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 401 -))) 399 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 402 402 403 -((( 404 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 405 -))) 406 406 407 -(% border="1" class="table-bordered" %) 408 -|((( 409 -**AT+SEARCHx=aa,xx xx xx xx xx** 402 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 410 410 411 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 412 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 413 - 414 - 415 -))) 416 - 417 -**Examples:** 418 - 419 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 420 - 421 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 422 - 423 -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** 424 - 425 -[[image:1653269403619-508.png]] 426 - 427 -2. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 428 - 429 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 430 - 431 -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** 432 - 433 -[[image:1653269438444-278.png]] 434 - 435 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 436 - 437 -|((( 404 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 405 +|(% style="width:510px" %)((( 438 438 **AT+DATACUTx=a,b,c** 439 439 440 440 * **a: length for the return of AT+COMMAND** ... ... @@ -442,48 +442,38 @@ 442 442 * **c: define the position for valid value. ** 443 443 ))) 444 444 445 -Examples: 413 +**Examples:** 446 446 447 -* Grab bytes :415 +* (% style="color:#037691" %)**Grab bytes** 448 448 449 -[[image: 1653269551753-223.png||height="311" width="717"]]417 +(% 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" %) 450 450 451 -* Grab a section. 452 452 453 - [[image:1653269568276-930.png||height="325"width="718"]]420 +* (% style="color:#037691" %)**Grab a section** 454 454 455 - *Grab different sections.422 +(% 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" %) 456 456 457 -[[image:1653269593172-426.png||height="303" width="725"]] 458 458 459 -(% style="color: red" %)**Note:**425 +* (% style="color:#037691" %)**Grab different sections** 460 460 461 - 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 0.427 +(% 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" %) 462 462 463 -Example: 464 464 465 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 430 + 431 +))) 466 466 467 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34 468 - 469 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5 470 - 471 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 472 - 473 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 474 - 475 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 476 - 477 -[[image:1653269618463-608.png]] 478 - 479 479 === 3.3.4 Compose the uplink payload === 480 480 481 481 ((( 482 482 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.** 437 + 438 + 483 483 ))) 484 484 485 485 ((( 486 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 442 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 443 + 444 + 487 487 ))) 488 488 489 489 ((( ... ... @@ -502,10 +502,12 @@ 502 502 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 503 503 ))) 504 504 505 -[[image:1653269759169-150.png||height="513" width="716"]] 463 +(% 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" %) 506 506 507 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 508 508 466 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 467 + 468 + 509 509 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 510 510 511 511 Final Payload is ... ... @@ -512,700 +512,996 @@ 512 512 513 513 (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 514 514 515 -1. Battery Info (2 bytes): Battery voltage 516 -1. PAYVER (1 byte): Defined by AT+PAYVER 517 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 518 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 519 -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 520 520 521 -[[image:1653269916228-732.png||height="433" width="711"]] 476 +1. PAYVER: Defined by AT+PAYVER 477 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 478 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 479 +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 522 522 481 +(% 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" %) 523 523 524 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 525 525 526 - DATA1=RETURN1Valid Value=(%style="background-color:green;color:white"%)20200a 33 90 41484 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 527 527 528 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10=(%style="background-color:green; color:white" %)02 aa0581 0a20486 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 529 529 530 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN10(%style="background-color:green;color:white"%)20 20 20 2d30488 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 531 531 532 - Belowareheuplinkpayloads:490 +DATA3=the rest of Valid value of RETURN10= **30** 533 533 534 -[[image:1653270130359-810.png]] 535 535 493 +(% 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: 536 536 537 - (%style="color:red"%)**Notice:theMaxbytes is accordingto the maxsupportbytesin differentFrequencyBands forlowest SF.As below:**495 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 538 538 539 - ~*51 bytes for each uplink( so 51 -5 = 46 max valid date)497 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 540 540 541 - * For AU915/AS923bands,if UplinkDwell time=1, max 11 bytes( so 11 -5 = 6 max valid date).499 + * For US915 band, max 11 bytes for each uplink. 542 542 543 - * US915band,max 11bytes( so 11 -5 = 6 max valid date).501 + ~* For all other bands: max 51 bytes for each uplink. 544 544 545 - ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 546 546 547 - ===3.3.5Uplink on demand===504 +Below are the uplink payloads: 548 548 549 - Exceptuplinkperiodically,RS485-BLisable toThe server sends downlinkcommand toRS485-BLandRS485willuplinkdatabaseonthecommand.506 +(% 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" %) 550 550 551 -Downlink control command: 552 552 553 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL. 554 554 555 - [[0xA8command>>path:#downlink_A8]]:Send a commandto RS485-BL anduplink theoutput fromsensors.510 +=== 3.3.5 Uplink on demand === 556 556 512 +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. 557 557 514 +Downlink control command: 558 558 559 -1. 560 -11. 561 -111. Uplink on Interrupt 516 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 562 562 563 - Putthe interruptsensorbetween3.3v_outandGPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]518 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 564 564 565 -AT+INTMOD=0 Disable Interrupt 566 566 567 -AT+INTMOD=1 Interrupt trigger by rising or falling edge. 568 568 569 - AT+INTMOD=2Interrupttrigger by falling edge. ( Default Value)522 +=== 3.3.6 Uplink on Interrupt === 570 570 571 - AT+INTMOD=3Interrupttriggerby risingedge.524 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 572 572 526 +(% 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" %) 573 573 574 -1. 575 -11. Uplink Payload 528 +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. 576 576 577 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 578 -|Value|((( 579 -Battery(mV) 580 580 581 - &531 +== 3.4 Uplink Payload == 582 582 583 -Interrupt _Flag 584 -)))|((( 585 -PAYLOAD_VER 586 586 587 - 588 -)))|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. 534 +(% 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" %) 589 589 590 590 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 591 591 592 592 593 -fu nctionDecoder(bytes,port){539 +== 3.5 Configure RS485-LN via AT or Downlink == 594 594 595 -~/~/Payload Formats of RS485-BL Deceive 541 +((( 542 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 543 +))) 596 596 597 -return { 598 - 599 - ~/~/Battery,units:V 600 - 601 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 602 - 603 - ~/~/GPIO_EXTI 604 - 605 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 606 - 607 - ~/~/payload of version 608 - 609 - Pay_ver:bytes[2], 610 - 611 - }; 612 - 613 - } 614 - 615 - 616 - 617 - 618 - 619 - 620 - 621 -TTN V3 uplink screen shot. 622 - 623 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 624 - 625 -1. 626 -11. Configure RS485-BL via AT or Downlink 627 - 628 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 629 - 545 +((( 630 630 There are two kinds of Commands: 547 +))) 631 631 632 -* **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 549 +* ((( 550 +(% 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]] 551 +))) 633 633 634 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 553 +* ((( 554 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 555 +))) 635 635 636 - 1.637 - 11.638 - 111. Common Commands:557 +((( 558 + 559 +))) 639 639 640 -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]] 641 641 562 +=== 3.5.1 Common Commands === 642 642 643 -1. 644 -11. 645 -111. Sensor related commands: 564 +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]] 646 646 647 -==== Choose Device Type (RS485 or TTL) ==== 648 648 649 - RS485-BLcan connect to either RS485sensorsorTTL sensor. User need to specify whattypeof sensor needtoconnect.567 +=== 3.5.2 Sensor related commands === 650 650 651 - *ATCommand569 +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. 652 652 653 - **AT+MOD=1**~/~/SettoupportRS485-MODBUStypesensors.UsernectultiplyRS485,Modbus sensorsto theA/Bpins.571 +(% 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" %) 654 654 655 - **AT+MOD=2** ~/~/ Set to supportTTLLevel sensors,Usercan connect oneTTLSensortotheTXD/RXD/GNDpins.573 +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) 656 656 657 657 658 - *DownlinkPayload576 +=== 3.5.3 Sensor related commands === 659 659 660 -**0A aa** à same as AT+MOD=aa 661 661 662 662 663 663 664 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====581 +==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ==== 665 665 666 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 583 +((( 584 +This command is used to configure the RS485 devices; they won’t be used during sampling. 585 +))) 667 667 668 -* AT Command 587 +* ((( 588 +(% style="color:#037691" %)**AT Command** 669 669 670 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 590 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 671 671 672 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 592 + 593 +))) 673 673 595 +((( 596 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 597 +))) 674 674 599 +* ((( 600 +(% style="color:#037691" %)**Downlink Payload** 601 +))) 675 675 676 -* Downlink Payload 677 - 603 +((( 678 678 Format: A8 MM NN XX XX XX XX YY 605 +))) 679 679 607 +((( 680 680 Where: 609 +))) 681 681 682 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 683 -* NN: The length of RS485 command 684 -* XX XX XX XX: RS485 command total NN bytes 685 -* 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 611 +* ((( 612 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 613 +))) 614 +* ((( 615 +NN: The length of RS485 command 616 +))) 617 +* ((( 618 +XX XX XX XX: RS485 command total NN bytes 619 +))) 620 +* ((( 621 +((( 622 +YY: How many bytes will be uplink from the return of this RS485 command, 623 +))) 686 686 687 -**Example 1:** 625 +* ((( 626 +if YY=0, RS485-LN will execute the downlink command without uplink; 627 +))) 628 +* ((( 629 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 630 +))) 631 +* ((( 632 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 633 +))) 634 +))) 688 688 636 +((( 637 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 638 +))) 639 + 640 +((( 689 689 To connect a Modbus Alarm with below commands. 642 +))) 690 690 691 -* 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. 644 +* ((( 645 +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. 646 +))) 692 692 693 -* 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. 648 +* ((( 649 +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. 650 +))) 694 694 652 +((( 695 695 So if user want to use downlink command to control to RS485 Alarm, he can use: 654 +))) 696 696 697 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 656 +((( 657 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 658 +))) 698 698 699 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 660 +((( 661 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 662 +))) 700 700 664 +((( 701 701 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. 666 +))) 702 702 668 +((( 669 + 670 +))) 703 703 704 -**Example 2:** 672 +((( 673 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 674 +))) 705 705 706 -Check TTL Sensor return: 676 +((( 677 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 678 +))) 707 707 708 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 680 +((( 681 + 682 +))) 709 709 684 +((( 685 +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: 686 +))) 710 710 688 +((( 689 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 690 +))) 711 711 692 +((( 693 + (% 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" %) 694 +))) 712 712 713 -==== Set Payload version ==== 714 714 715 -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. 716 716 717 -* AT Command: 718 718 719 - AT+PAYVER: Set PAYVER field=1699 +==== (% style="color:blue" %)**Set Payload version**(%%) ==== 720 720 701 +((( 702 +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. 703 +))) 721 721 722 -* Downlink Payload: 705 +* ((( 706 +(% style="color:#037691" %)**AT Command:** 723 723 724 - 0xAE01àSet PAYVER field =0x01708 +**AT+PAYVER: **Set PAYVER field = 1 725 725 726 -0xAE 0F à Set PAYVER field = 0x0F 710 + 711 +))) 712 +* ((( 713 +(% style="color:#037691" %)**Downlink Payload:** 714 +))) 727 727 716 +((( 717 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 718 +))) 728 728 729 -==== Set RS485 Sampling Commands ==== 720 +((( 721 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 722 +))) 730 730 731 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 732 732 733 -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]]. 734 734 735 735 736 -* ATCommand:727 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 737 737 738 -AT+COMMANDx: Configure RS485 read command to sensor. 729 +((( 730 +AT+COMMANDx or AT+DATACUTx 731 +))) 739 739 740 -AT+DATACUTx: Configure how to handle return from RS485 devices. 733 +((( 734 +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"]]. 735 +))) 741 741 742 -AT+SEARCHx: Configure search command 737 +((( 738 + 739 +))) 743 743 741 +* ((( 742 +(% style="color:#037691" %)**AT Command:** 743 +))) 744 744 745 -* wnlinkPayload:745 +**AT+COMMANDx: **Configure RS485 read command to sensor. 746 746 747 - 0xAFdownlinkcommandcanbeusedtoset AT+COMMANDx orAT+DATACUTx.747 +**AT+DATACUTx: **Configure how to handle return from RS485 devices. 748 748 749 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 750 750 751 -Format: AF MM NN LL XX XX XX XX YY 750 +* ((( 751 +(% style="color:#037691" %)**Downlink Payload:** 752 +))) 752 752 753 -Where: 754 +((( 755 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 756 +))) 754 754 755 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 756 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 757 -* LL: The length of AT+COMMAND or AT+DATACUT command 758 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 759 -* 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. 758 +((( 759 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 760 +))) 760 760 761 -Example: 762 +((( 763 +Format: AF MM NN LL XX XX XX XX YY 764 +))) 762 762 763 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 766 +((( 767 +Where: 768 +))) 764 764 765 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 770 +* ((( 771 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 772 +))) 773 +* ((( 774 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 775 +))) 776 +* ((( 777 +LL: The length of AT+COMMAND or AT+DATACUT command 778 +))) 779 +* ((( 780 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 781 +))) 782 +* ((( 783 +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. 784 +))) 766 766 767 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 786 +((( 787 +**Example:** 788 +))) 768 768 790 +((( 791 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 792 +))) 769 769 770 -0xAB downlink command can be used for set AT+SEARCHx 794 +((( 795 +(% 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** 796 +))) 771 771 772 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 798 +((( 799 +(% 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** 800 +))) 773 773 774 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 775 -* 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 776 776 777 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 778 778 779 779 780 -==== Fast command to handle MODBUS device ==== 805 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ==== 781 781 807 +((( 782 782 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]]. 809 +))) 783 783 811 +((( 784 784 This command is valid since v1.3 firmware version 813 +))) 785 785 815 +((( 816 +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. 817 +))) 786 786 787 -AT+MBFUN has only two value: 819 +((( 820 + 821 +))) 788 788 789 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 823 +((( 824 +**Example:** 825 +))) 790 790 791 -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. 827 +* ((( 828 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 829 +))) 830 +* ((( 831 +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. 832 +))) 833 +* ((( 834 +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. 835 +))) 792 792 793 - *AT+MBFUN=0:DisableModbus fast reading.837 +(% 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" %) 794 794 795 - Example:839 +(% 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" %) 796 796 797 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 798 -* 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. 799 -* 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. 800 800 801 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 802 802 803 803 804 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]844 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ==== 805 805 846 +((( 847 +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. 848 +))) 806 806 807 -* Downlink Commands: 850 +((( 851 +Default value: 0, range: 0 ~~ 65 seconds 852 +))) 808 808 809 -A9 aa -à Same as AT+MBFUN=aa 854 +* ((( 855 +(% style="color:#037691" %)** AT Command:** 856 +))) 810 810 858 +(% class="box infomessage" %) 859 +((( 860 +((( 861 +**AT+CMDDLaa=hex(bb cc)*1000** 862 +))) 863 +))) 811 811 812 -==== RS485 command timeout ==== 865 +((( 866 +**Example:** 867 +))) 813 813 814 -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. 869 +((( 870 +**AT+CMDDL1=1000** to send the open time to 1000ms 871 +))) 815 815 816 -Default value: 0, range: 0 ~~ 5 seconds 873 +((( 874 + 875 +))) 817 817 877 +* ((( 878 +(% style="color:#037691" %)** Downlink Payload:** 879 +))) 818 818 819 -* AT Command: 881 +((( 882 +**0x AA aa bb cc** 883 +))) 820 820 821 -AT+CMDDLaa=hex(bb cc) 885 +((( 886 +Same as: AT+CMDDLaa=hex(bb cc)*1000 887 +))) 822 822 823 -Example: 889 +((( 890 + **Example:** 891 +))) 824 824 825 -**AT+CMDDL1=1000** to send the open time to 1000ms 893 +((( 894 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 895 +))) 826 826 827 827 828 -* Downlink Payload: 829 829 830 -0x AA aa bb cc 831 831 832 - Sameas:AT+CMDDLaa=hex(bb cc)900 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 833 833 834 - Example: 902 +((( 903 +Define to use one uplink or multiple uplinks for the sampling. 904 +))) 835 835 836 - 0xAA 01 03 E8 à Same as **AT+CMDDL1=1000 ms** 906 +((( 907 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 908 +))) 837 837 910 +* ((( 911 +(% style="color:#037691" %)** AT Command:** 912 +))) 838 838 839 - ==== [[Uplink>>path:#downlink_A8]] payload mode====914 +**AT+DATAUP=0** 840 840 841 -D efine to use one uplink or multiple uplinks for the sampling.916 +**AT+DATAUP=1** 842 842 843 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 844 844 845 -* AT Command: 919 +* ((( 920 +(% style="color:#037691" %)** Downlink Payload:** 921 +))) 846 846 847 -AT+DATAUP=0 923 +((( 924 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 925 +))) 848 848 849 -AT+DATAUP=1 927 +((( 928 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 929 +))) 850 850 851 851 852 -* Downlink Payload: 853 853 854 -0xAD 00 à Same as AT+DATAUP=0 855 855 856 - 0xAD01àSame asAT+DATAUP=1934 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 857 857 936 +((( 937 +Ask device to send an uplink immediately. 938 +))) 858 858 859 -==== Manually trigger an Uplink ==== 940 +* ((( 941 +(% style="color:#037691" %)** AT Command:** 942 +))) 860 860 861 -Ask device to send an uplink immediately. 944 +((( 945 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 946 +))) 862 862 863 -* Downlink Payload: 948 +((( 949 + 950 +))) 864 864 865 -0x08 FF, RS485-BL will immediately send an uplink. 952 +* ((( 953 +(% style="color:#037691" %)** Downlink Payload:** 954 +))) 866 866 956 +((( 957 +**0x08 FF**, RS485-LN will immediately send an uplink. 958 +))) 867 867 868 -==== Clear RS485 Command ==== 869 869 870 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 871 871 872 872 873 -* ATCommand:963 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ==== 874 874 965 +((( 966 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 967 +))) 968 + 969 +* ((( 970 +(% style="color:#037691" %)** AT Command:** 971 +))) 972 + 973 +((( 875 875 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 975 +))) 876 876 977 +((( 877 877 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 979 +))) 878 878 981 +((( 879 879 Example screen shot after clear all RS485 commands. 983 +))) 880 880 985 +((( 986 + 987 +))) 881 881 882 - 989 +((( 883 883 The uplink screen shot is: 991 +))) 884 884 885 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]993 +(% 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" %) 886 886 887 887 888 -* Downlink Payload: 996 +* ((( 997 +(% style="color:#037691" %)** Downlink Payload:** 998 +))) 889 889 890 -0x09 aa bb same as AT+CMDEAR=aa,bb 1000 +((( 1001 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 1002 +))) 891 891 892 892 893 -==== Set Serial Communication Parameters ==== 894 894 1006 + 1007 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ==== 1008 + 1009 +((( 895 895 Set the Rs485 serial communication parameters: 1011 +))) 896 896 897 -* AT Command: 1013 +* ((( 1014 +(% style="color:#037691" %)** AT Command:** 1015 +))) 898 898 1017 +((( 899 899 Set Baud Rate: 1019 +))) 900 900 901 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 902 902 1022 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 903 903 904 -Set UART parity 905 905 906 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1025 +((( 1026 +Set UART Parity 1027 +))) 907 907 908 908 1030 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1031 + 1032 + 1033 +((( 909 909 Set STOPBIT 1035 +))) 910 910 911 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 912 912 1038 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 913 913 914 -* Downlink Payload: 915 915 916 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1041 +* ((( 1042 +(% style="color:#037691" %)** Downlink Payload:** 1043 +))) 917 917 918 -Example: 1045 +((( 1046 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1047 +))) 919 919 920 -* A7 01 00 60 same as AT+BAUDR=9600 921 -* A7 01 04 80 same as AT+BAUDR=115200 1049 +((( 1050 +**Example:** 1051 +))) 922 922 1053 +* ((( 1054 +A7 01 00 60 same as AT+BAUDR=9600 1055 +))) 1056 +* ((( 1057 +A7 01 04 80 same as AT+BAUDR=115200 1058 +))) 1059 + 1060 +((( 923 923 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1062 +))) 924 924 1064 +((( 925 925 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1066 +))) 926 926 927 927 928 -==== Control output power duration ==== 929 929 930 -User can set the output power duration before each sampling. 931 931 932 - *ATCommand:1071 +== 3.6 Listening mode for RS485 network == 933 933 934 -Example: 1073 +((( 1074 +This feature support since firmware v1.4 1075 +))) 935 935 936 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1077 +((( 1078 +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. 1079 +))) 937 937 938 - AT+5VT=1000~/~/+5Voutput powerlopen1sbefore each sampling.1081 +(% 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" %) 939 939 1083 +((( 1084 +To enable the listening mode, use can run the command AT+RXMODE. 1085 +))) 940 940 941 -* LoRaWAN Downlink Command: 1087 +((( 1088 + 1089 +))) 942 942 943 -07 01 aa bb Same as AT+5VT=(aa bb) 1091 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1092 +|=(% style="width: 100px;" %)((( 1093 +**Command example** 1094 +)))|=(% style="width: 400px;" %)((( 1095 +**Function** 1096 +))) 1097 +|(% style="width:100px" %)((( 1098 +AT+RXMODE=1,10 1099 +)))|(% style="width:400px" %)((( 1100 +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. 1101 +))) 1102 +|(% style="width:100px" %)((( 1103 +AT+RXMODE=2,500 1104 +)))|(% style="width:400px" %)((( 1105 +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 1106 +))) 1107 +|(% style="width:100px" %)((( 1108 +AT+RXMODE=0,0 1109 +)))|(% style="width:400px" %)((( 1110 +Disable listening mode. This is the default settings. 1111 +))) 1112 +|(% style="width:100px" %)((( 1113 + 1114 +)))|(% style="width:400px" %)((( 1115 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1116 +))) 944 944 945 -07 02 aa bb Same as AT+3V3T=(aa bb) 1118 +((( 1119 +**Downlink Command:** 1120 +))) 946 946 1122 +((( 1123 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1124 +))) 947 947 1126 +((( 1127 + 1128 +))) 948 948 1130 +((( 1131 +**Example**: 1132 +))) 949 949 950 -1. 951 -11. Buttons 1134 +((( 1135 +The RS485-LN is set to AT+RXMODE=2,1000 1136 +))) 952 952 953 -|**Button**|**Feature** 954 -|**RST**|Reboot RS485-BL 1138 +((( 1139 +There is a two Modbus commands in the RS485 network as below: 1140 +))) 955 955 956 -1. 957 -11. +3V3 Output 1142 +((( 1143 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1144 +))) 958 958 959 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1146 +((( 1147 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1148 +))) 960 960 961 -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. 1150 +((( 1151 +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 1152 +))) 962 962 1154 +((( 1155 +(% 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" %) 1156 +))) 963 963 964 -The +3V3 output time can be controlled by AT Command. 1158 +((( 1159 + 1160 +))) 965 965 966 -**AT+3V3T=1000** 1162 +((( 1163 +((( 1164 +(% 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. 1165 +))) 1166 +))) 967 967 968 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 969 969 1169 +== 3.7 Buttons == 970 970 971 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 972 972 1172 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1173 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1174 +|(% 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** 1175 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1176 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 973 973 974 -1. 975 -11. +5V Output 1178 +== 3.8 LEDs == 976 976 977 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 978 978 979 -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. 1181 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1182 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1183 +|**PWR**|Always on if there is power 1184 +|**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. 980 980 1186 += 4. Case Study = 981 981 982 - The5Voutputtime canbecontrolledbyATCommand.1188 +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]] 983 983 984 -**AT+5VT=1000** 985 985 986 - Meansset5V valid time to have 1000ms.So, thereal5Voutput will actually have 1000ms + samplingtime for other sensors.1191 += 5. Use AT Command = 987 987 1193 +== 5.1 Access AT Command == 988 988 989 -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. 1195 +((( 1196 +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. 1197 +))) 990 990 1199 +(% 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" %) 991 991 992 992 1202 +((( 1203 +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: 1204 +))) 993 993 994 -1. 995 -11. LEDs 1206 +(% 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" %) 996 996 997 -|**LEDs**|**Feature** 998 -|**LED1**|Blink when device transmit a packet. 999 999 1000 -1. 1001 -11. Switch Jumper 1002 - 1003 -|**Switch Jumper**|**Feature** 1004 -|**SW1**|((( 1005 -ISP position: Upgrade firmware via UART 1006 - 1007 -Flash position: Configure device, check running status. 1209 +((( 1210 +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/]] 1008 1008 ))) 1009 -|**SW2**|((( 1010 -5V position: set to compatible with 5v I/O. 1011 1011 1012 -3.3v position: set to compatible with 3.3v I/O., 1013 -))) 1014 1014 1015 -+3.3V: is always ON 1016 1016 1017 - +5V:Onlyopen before every sampling.Thetime is bydefault, it is AT+5VT=0. Max opentime.5000 ms.1215 +== 5.2 Common AT Command Sequence == 1018 1018 1019 - 1.CaseStudy1217 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1020 1020 1021 - Usercan checkthisURL forsomecasestudies.1219 +If device has not joined network yet: 1022 1022 1023 -[[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]] 1221 +(% class="box infomessage" %) 1222 +((( 1223 +**AT+FDR** 1224 +))) 1024 1024 1226 +(% class="box infomessage" %) 1227 +((( 1228 +**AT+NJM=0** 1229 +))) 1025 1025 1231 +(% class="box infomessage" %) 1232 +((( 1233 +**ATZ** 1234 +))) 1026 1026 1027 1027 1028 -1. Use AT Command 1029 -11. Access AT Command 1237 +((( 1238 +If device already joined network: 1239 +))) 1030 1030 1031 -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. 1241 +(% class="box infomessage" %) 1242 +((( 1243 +**AT+NJM=0** 1244 +))) 1032 1032 1033 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] 1246 +(% class="box infomessage" %) 1247 +((( 1248 +**ATZ** 1249 +))) 1034 1034 1035 1035 1036 - 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:1252 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1037 1037 1038 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]] 1039 1039 1255 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1040 1040 1257 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1041 1041 1042 - MoredetailAT Commandmanualanbefound at[[AT CommandManual>>path:#AT_COMMAND]]1259 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1043 1043 1261 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1044 1044 1263 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1045 1045 1046 -1. 1047 -11. Common AT Command Sequence 1048 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1265 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1049 1049 1050 - Ifdevicehasnotjoinednetworkyet:1267 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1051 1051 1052 -AT+ FDR1269 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1053 1053 1054 -AT+ NJM=01271 +(% 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. 1055 1055 1056 -ATZ 1273 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1057 1057 1058 1058 1059 - Ifdevice alreadyjoined network:1276 +(% style="color:red" %)**Note:** 1060 1060 1061 -AT+NJM=0 1278 +((( 1279 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1280 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1281 +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. 1282 +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 1283 +))) 1062 1062 1063 -A TZ1285 +(% 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" %) 1064 1064 1065 -1. 1066 -11. 1067 -111. Single-channel ABP mode (Use with LG01/LG02) 1068 1068 1069 - AT+FDRResetParameters toFactoryDefault, Keys Reserve1288 += 6. FAQ = 1070 1070 1071 - AT+NJM=0SettoABPmode1290 +== 6.1 How to upgrade the image? == 1072 1072 1073 -AT+ADR=0 Set the Adaptive Data Rate Off 1292 +((( 1293 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1294 +))) 1074 1074 1075 -AT+DR=5 Set Data Rate 1296 +* ((( 1297 +Support new features 1298 +))) 1299 +* ((( 1300 +For bug fix 1301 +))) 1302 +* ((( 1303 +Change LoRaWAN bands. 1304 +))) 1076 1076 1077 -AT+TDC=60000 Set transmit interval to 60 seconds 1306 +((( 1307 +Below shows the hardware connection for how to upload an image to RS485-LN: 1308 +))) 1078 1078 1079 - AT+CHS=868400000Set transmit frequencyto868.4Mhz1310 +(% 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" %) 1080 1080 1081 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1312 +((( 1313 +**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]]. 1314 +))) 1082 1082 1083 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1316 +((( 1317 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1318 +))) 1084 1084 1085 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1320 +((( 1321 +**Step3: **Open flashloader; choose the correct COM port to update. 1322 +))) 1086 1086 1087 -ATZ Reset MCU 1324 +((( 1325 +((( 1326 +((( 1327 +(% 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. 1328 +))) 1329 +))) 1330 +))) 1088 1088 1089 -**Note:** 1090 1090 1091 -1. Make sure the device is set to ABP mode in the IoT Server. 1092 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1093 -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. 1094 -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 1333 +(% 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" %) 1095 1095 1096 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1097 1097 1336 +(% 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" %) 1098 1098 1099 -1. FAQ 1100 -11. How to upgrade the image? 1101 1101 1102 - TheRS485-BLLoRaWANController isshipped3.5mmcable,the cable isusedtouploadimagetoRS485-BLto:1339 +(% 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" %) 1103 1103 1104 -* Support new features 1105 -* For bug fix 1106 -* Change LoRaWAN bands. 1107 1107 1108 - Belowshows thehardware connection forhowto uploadanimageto RS485-BL:1342 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1109 1109 1110 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1344 +(% 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" %) 1111 1111 1112 -**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]]. 1113 1113 1114 - **Step2**:Downloadthe[[LT Imagefiles>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1347 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1115 1115 1116 - **Step3:**Openflashloader;choose thecorrectCOMportto update.1349 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1117 1117 1118 1118 1119 -|((( 1120 -HOLD PRO then press the RST button, SYS will be ON, then click next 1121 -))) 1352 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1122 1122 1123 -|((( 1124 -Board detected 1125 -))) 1354 +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"]]. 1126 1126 1127 -|((( 1128 - 1129 -))) 1130 1130 1131 - [[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]]1357 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1132 1132 1359 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1133 1133 1361 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1134 1134 1135 -[[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]] 1136 1136 1364 += 7. Trouble Shooting = 1137 1137 1138 - [[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]]1366 +== 7.1 Downlink doesn’t work, how to solve it? == 1139 1139 1368 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1140 1140 1141 -1. 1142 -11. How to change the LoRa Frequency Bands/Region? 1143 1143 1144 - Usercanfollow theintroductionfor[[howto upgradeimage>>path:#upgrade_image]]. Whendownloadtheimages, choose the required image file for download.1371 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1145 1145 1373 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1146 1146 1147 1147 1148 -1. 1149 -11. How many RS485-Slave can RS485-BL connects? 1376 += 8. Order Info = 1150 1150 1151 - 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]].1378 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1152 1152 1380 +(% style="color:blue" %)**XXX:** 1153 1153 1382 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1383 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1384 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1385 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1386 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1387 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1388 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1389 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1390 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1391 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1154 1154 1393 += 9.Packing Info = 1155 1155 1156 -1. Trouble Shooting 1157 -11. Downlink doesn’t work, how to solve it? 1158 1158 1159 -P leasesee this link fordebug:1396 +**Package Includes**: 1160 1160 1161 -[[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]] 1398 +* RS485-LN x 1 1399 +* Stick Antenna for LoRa RF part x 1 1400 +* Program cable x 1 1162 1162 1402 +**Dimension and weight**: 1163 1163 1404 +* Device Size: 13.5 x 7 x 3 cm 1405 +* Device Weight: 105g 1406 +* Package Size / pcs : 14.5 x 8 x 5 cm 1407 +* Weight / pcs : 170g 1164 1164 1165 -1. 1166 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1409 += 10. FCC Caution for RS485LN-US915 = 1167 1167 1168 -It might about the channels mapping. Please see for detail. 1411 +((( 1412 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1413 +))) 1169 1169 1170 -[[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]] 1415 +((( 1416 +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. 1417 +))) 1171 1171 1419 +((( 1420 + 1421 +))) 1172 1172 1423 +((( 1424 +**IMPORTANT NOTE:** 1425 +))) 1173 1173 1174 -1. Order Info 1427 +((( 1428 +**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: 1429 +))) 1175 1175 1176 -**Part Number: RS485-BL-XXX** 1431 +((( 1432 +—Reorient or relocate the receiving antenna. 1433 +))) 1177 1177 1178 -**XXX:** 1435 +((( 1436 +—Increase the separation between the equipment and receiver. 1437 +))) 1179 1179 1180 -* **EU433**: frequency bands EU433 1181 -* **EU868**: frequency bands EU868 1182 -* **KR920**: frequency bands KR920 1183 -* **CN470**: frequency bands CN470 1184 -* **AS923**: frequency bands AS923 1185 -* **AU915**: frequency bands AU915 1186 -* **US915**: frequency bands US915 1187 -* **IN865**: frequency bands IN865 1188 -* **RU864**: frequency bands RU864 1189 -* **KZ865: **frequency bands KZ865 1439 +((( 1440 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1441 +))) 1190 1190 1191 -1. Packing Info 1443 +((( 1444 +—Consult the dealer or an experienced radio/TV technician for help. 1445 +))) 1192 1192 1193 -**Package Includes**: 1447 +((( 1448 + 1449 +))) 1194 1194 1195 - * RS485-BL x 11196 -* Stick AntennaforLoRaRF partx 11197 - * Program cable x 11451 +((( 1452 +**FCC Radiation Exposure Statement:** 1453 +))) 1198 1198 1199 -**Dimension and weight**: 1455 +((( 1456 +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. 1457 +))) 1200 1200 1201 -* Device Size: 13.5 x 7 x 3 cm 1202 -* Device Weight: 105g 1203 -* Package Size / pcs : 14.5 x 8 x 5 cm 1204 -* Weight / pcs : 170g 1205 1205 1206 -1. Support 1460 += 11. Support = 1207 1207 1208 -* 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. 1209 -* 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 1210 - 1211 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1462 +* ((( 1463 +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. 1464 +))) 1465 +* ((( 1466 +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]]. 1467 +)))
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