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 ))) ... ... @@ -289,7 +289,6 @@ 289 289 ))) 290 290 ))) 291 291 292 - 293 293 === 3.3.2 Configure sensors === 294 294 295 295 ((( ... ... @@ -298,140 +298,71 @@ 298 298 ))) 299 299 ))) 300 300 301 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 302 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 303 -|AT+CFGDEV|(% style="width:418px" %)((( 304 -This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 305 - 306 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 307 - 308 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 309 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 310 - 311 -=== 3.3.3 Configure read commands for each sampling === 312 - 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" %)((( 313 313 ((( 314 - RS485-BLisa battery powereddevice; it willsleepmost of time. Andwake uponeach period andreadRS485sensordataand uplink.348 +This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 315 315 ))) 316 316 317 317 ((( 318 - During each sampling, we need to confirm what commands we need to send to the sensors to read data.After the RS485/TTLsensorssendbackthevalue,itnormallyincludessomebytesand we only need a few from them for a shorten payload.352 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 319 319 ))) 320 320 321 321 ((( 322 - Tosavethe LoRaWANnetworkbandwidth,wemightneedto readdata from different sensors andcombinetheir valid value into ashortpayload.356 +mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 323 323 ))) 358 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 324 324 325 -((( 326 -This section describes how to achieve above goals. 327 -))) 328 328 329 -((( 330 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 331 -))) 332 332 333 -((( 334 -**Command from RS485-BL to Sensor:** 335 -))) 336 336 337 -((( 338 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 339 -))) 363 +=== 3.3.3 Configure read commands for each sampling === 340 340 341 341 ((( 342 -**Handle return from sensors to RS485-BL**: 343 -))) 366 +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. 344 344 345 -((( 346 -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** 347 -))) 368 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 348 348 349 -* ((( 350 -**AT+DATACUT** 351 -))) 370 +This section describes how to achieve above goals. 352 352 353 -((( 354 -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. 355 -))) 372 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 356 356 357 -* ((( 358 -**AT+SEARCH** 359 -))) 360 360 361 -((( 362 -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. 363 -))) 375 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 364 364 365 -((( 366 -**Define wait timeout:** 367 -))) 377 +~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. 368 368 369 -((( 370 -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 371 -))) 379 +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. 372 372 373 -((( 374 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 375 -))) 381 +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 376 376 377 -**Examples:** 378 378 384 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 385 + 379 379 Below are examples for the how above AT Commands works. 380 380 381 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 382 382 383 -(% border="1" class="table-bordered" %) 384 -|((( 385 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 389 +(% 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: 386 386 391 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 392 +|(% style="width:496px" %)((( 393 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 394 + 387 387 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 388 388 389 389 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 390 390 ))) 391 391 392 -((( 393 393 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. 394 -))) 395 395 396 -((( 397 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 398 -))) 402 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 399 399 400 -((( 401 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 402 -))) 403 403 404 -(% border="1" class="table-bordered" %) 405 -|((( 406 -**AT+SEARCHx=aa,xx xx xx xx xx** 405 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 407 407 408 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 409 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 410 - 411 - 412 -))) 413 - 414 -**Examples:** 415 - 416 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 417 - 418 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 419 - 420 -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** 421 - 422 -[[image:1653269403619-508.png]] 423 - 424 -2. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 425 - 426 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 427 - 428 -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** 429 - 430 -[[image:1653269438444-278.png]] 431 - 432 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 433 - 434 -|((( 407 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 408 +|(% style="width:510px" %)((( 435 435 **AT+DATACUTx=a,b,c** 436 436 437 437 * **a: length for the return of AT+COMMAND** ... ... @@ -439,48 +439,38 @@ 439 439 * **c: define the position for valid value. ** 440 440 ))) 441 441 442 -Examples: 416 +**Examples:** 443 443 444 -* Grab bytes :418 +* (% style="color:#037691" %)**Grab bytes** 445 445 446 -[[image: 1653269551753-223.png||height="311" width="717"]]420 +(% 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" %) 447 447 448 -* Grab a section. 449 449 450 - [[image:1653269568276-930.png||height="325"width="718"]]423 +* (% style="color:#037691" %)**Grab a section** 451 451 452 - *Grab different sections.425 +(% 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" %) 453 453 454 -[[image:1653269593172-426.png||height="303" width="725"]] 455 455 456 -(% style="color: red" %)**Note:**428 +* (% style="color:#037691" %)**Grab different sections** 457 457 458 - 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 0.430 +(% 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" %) 459 459 460 -Example: 461 461 462 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 433 + 434 +))) 463 463 464 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34 465 - 466 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5 467 - 468 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 469 - 470 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 471 - 472 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 473 - 474 -[[image:1653269618463-608.png]] 475 - 476 476 === 3.3.4 Compose the uplink payload === 477 477 478 478 ((( 479 479 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.** 440 + 441 + 480 480 ))) 481 481 482 482 ((( 483 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 445 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 446 + 447 + 484 484 ))) 485 485 486 486 ((( ... ... @@ -499,10 +499,12 @@ 499 499 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 500 500 ))) 501 501 502 -[[image:1653269759169-150.png||height="513" width="716"]] 466 +(% 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" %) 503 503 504 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 505 505 469 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 470 + 471 + 506 506 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 507 507 508 508 Final Payload is ... ... @@ -509,700 +509,996 @@ 509 509 510 510 (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 511 511 512 -1. Battery Info (2 bytes): Battery voltage 513 -1. PAYVER (1 byte): Defined by AT+PAYVER 514 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 515 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 516 -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 517 517 518 -[[image:1653269916228-732.png||height="433" width="711"]] 479 +1. PAYVER: Defined by AT+PAYVER 480 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 481 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 482 +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 519 519 484 +(% 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" %) 520 520 521 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 522 522 523 - DATA1=RETURN1Valid Value=(%style="background-color:green;color:white"%)20200a 33 90 41487 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 524 524 525 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10=(%style="background-color:green; color:white" %)02 aa0581 0a20489 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 526 526 527 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN10(%style="background-color:green;color:white"%)20 20 20 2d30491 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 528 528 529 - Belowareheuplinkpayloads:493 +DATA3=the rest of Valid value of RETURN10= **30** 530 530 531 -[[image:1653270130359-810.png]] 532 532 496 +(% 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: 533 533 534 - (%style="color:red"%)**Notice:theMaxbytes is accordingto the maxsupportbytesin differentFrequencyBands forlowest SF.As below:**498 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 535 535 536 - ~*51 bytes for each uplink( so 51 -5 = 46 max valid date)500 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 537 537 538 - * For AU915/AS923bands,if UplinkDwell time=1, max 11 bytes( so 11 -5 = 6 max valid date).502 + * For US915 band, max 11 bytes for each uplink. 539 539 540 - * US915band,max 11bytes( so 11 -5 = 6 max valid date).504 + ~* For all other bands: max 51 bytes for each uplink. 541 541 542 - ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 543 543 544 - ===3.3.5Uplink on demand===507 +Below are the uplink payloads: 545 545 546 - Exceptuplinkperiodically,RS485-BLisable toThe server sends downlinkcommand toRS485-BLandRS485willuplinkdatabaseonthecommand.509 +(% 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" %) 547 547 548 -Downlink control command: 549 549 550 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL. 551 551 552 - [[0xA8command>>path:#downlink_A8]]:Send a commandto RS485-BL anduplink theoutput fromsensors.513 +=== 3.3.5 Uplink on demand === 553 553 515 +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. 554 554 517 +Downlink control command: 555 555 556 -1. 557 -11. 558 -111. Uplink on Interrupt 519 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 559 559 560 - Putthe interruptsensorbetween3.3v_outandGPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]521 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 561 561 562 -AT+INTMOD=0 Disable Interrupt 563 563 564 -AT+INTMOD=1 Interrupt trigger by rising or falling edge. 565 565 566 - AT+INTMOD=2Interrupttrigger by falling edge. ( Default Value)525 +=== 3.3.6 Uplink on Interrupt === 567 567 568 - AT+INTMOD=3Interrupttriggerby risingedge.527 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 569 569 529 +(% 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" %) 570 570 571 -1. 572 -11. Uplink Payload 531 +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. 573 573 574 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 575 -|Value|((( 576 -Battery(mV) 577 577 578 - &534 +== 3.4 Uplink Payload == 579 579 580 -Interrupt _Flag 581 -)))|((( 582 -PAYLOAD_VER 583 583 584 - 585 -)))|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. 537 +(% 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" %) 586 586 587 587 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 588 588 589 589 590 -fu nctionDecoder(bytes,port){542 +== 3.5 Configure RS485-LN via AT or Downlink == 591 591 592 -~/~/Payload Formats of RS485-BL Deceive 544 +((( 545 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 546 +))) 593 593 594 -return { 595 - 596 - ~/~/Battery,units:V 597 - 598 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 599 - 600 - ~/~/GPIO_EXTI 601 - 602 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 603 - 604 - ~/~/payload of version 605 - 606 - Pay_ver:bytes[2], 607 - 608 - }; 609 - 610 - } 611 - 612 - 613 - 614 - 615 - 616 - 617 - 618 -TTN V3 uplink screen shot. 619 - 620 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 621 - 622 -1. 623 -11. Configure RS485-BL via AT or Downlink 624 - 625 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 626 - 548 +((( 627 627 There are two kinds of Commands: 550 +))) 628 628 629 -* **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 552 +* ((( 553 +(% 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]] 554 +))) 630 630 631 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 556 +* ((( 557 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 558 +))) 632 632 633 - 1.634 - 11.635 - 111. Common Commands:560 +((( 561 + 562 +))) 636 636 637 -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]] 638 638 565 +=== 3.5.1 Common Commands === 639 639 640 -1. 641 -11. 642 -111. Sensor related commands: 567 +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]] 643 643 644 -==== Choose Device Type (RS485 or TTL) ==== 645 645 646 - RS485-BLcan connect to either RS485sensorsorTTL sensor. User need to specify whattypeof sensor needtoconnect.570 +=== 3.5.2 Sensor related commands === 647 647 648 - *ATCommand572 +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. 649 649 650 - **AT+MOD=1**~/~/SettoupportRS485-MODBUStypesensors.UsernectultiplyRS485,Modbus sensorsto theA/Bpins.574 +(% 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" %) 651 651 652 - **AT+MOD=2** ~/~/ Set to supportTTLLevel sensors,Usercan connect oneTTLSensortotheTXD/RXD/GNDpins.576 +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) 653 653 654 654 655 - *DownlinkPayload579 +=== 3.5.3 Sensor related commands === 656 656 657 -**0A aa** à same as AT+MOD=aa 658 658 659 659 660 660 661 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====584 +==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ==== 662 662 663 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 586 +((( 587 +This command is used to configure the RS485 devices; they won’t be used during sampling. 588 +))) 664 664 665 -* AT Command 590 +* ((( 591 +(% style="color:#037691" %)**AT Command** 666 666 667 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 593 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 668 668 669 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 595 + 596 +))) 670 670 598 +((( 599 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 600 +))) 671 671 602 +* ((( 603 +(% style="color:#037691" %)**Downlink Payload** 604 +))) 672 672 673 -* Downlink Payload 674 - 606 +((( 675 675 Format: A8 MM NN XX XX XX XX YY 608 +))) 676 676 610 +((( 677 677 Where: 612 +))) 678 678 679 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 680 -* NN: The length of RS485 command 681 -* XX XX XX XX: RS485 command total NN bytes 682 -* 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 614 +* ((( 615 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 616 +))) 617 +* ((( 618 +NN: The length of RS485 command 619 +))) 620 +* ((( 621 +XX XX XX XX: RS485 command total NN bytes 622 +))) 623 +* ((( 624 +((( 625 +YY: How many bytes will be uplink from the return of this RS485 command, 626 +))) 683 683 684 -**Example 1:** 628 +* ((( 629 +if YY=0, RS485-LN will execute the downlink command without uplink; 630 +))) 631 +* ((( 632 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 633 +))) 634 +* ((( 635 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 636 +))) 637 +))) 685 685 639 +((( 640 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 641 +))) 642 + 643 +((( 686 686 To connect a Modbus Alarm with below commands. 645 +))) 687 687 688 -* 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. 647 +* ((( 648 +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. 649 +))) 689 689 690 -* 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. 651 +* ((( 652 +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. 653 +))) 691 691 655 +((( 692 692 So if user want to use downlink command to control to RS485 Alarm, he can use: 657 +))) 693 693 694 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 659 +((( 660 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 661 +))) 695 695 696 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 663 +((( 664 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 665 +))) 697 697 667 +((( 698 698 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. 669 +))) 699 699 671 +((( 672 + 673 +))) 700 700 701 -**Example 2:** 675 +((( 676 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 677 +))) 702 702 703 -Check TTL Sensor return: 679 +((( 680 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 681 +))) 704 704 705 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 683 +((( 684 + 685 +))) 706 706 687 +((( 688 +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: 689 +))) 707 707 691 +((( 692 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 693 +))) 708 708 695 +((( 696 + (% 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" %) 697 +))) 709 709 710 -==== Set Payload version ==== 711 711 712 -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. 713 713 714 -* AT Command: 715 715 716 - AT+PAYVER: Set PAYVER field=1702 +==== (% style="color:blue" %)**Set Payload version**(%%) ==== 717 717 704 +((( 705 +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. 706 +))) 718 718 719 -* Downlink Payload: 708 +* ((( 709 +(% style="color:#037691" %)**AT Command:** 720 720 721 - 0xAE01àSet PAYVER field =0x01711 +**AT+PAYVER: **Set PAYVER field = 1 722 722 723 -0xAE 0F à Set PAYVER field = 0x0F 713 + 714 +))) 715 +* ((( 716 +(% style="color:#037691" %)**Downlink Payload:** 717 +))) 724 724 719 +((( 720 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 721 +))) 725 725 726 -==== Set RS485 Sampling Commands ==== 723 +((( 724 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 725 +))) 727 727 728 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 729 729 730 -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]]. 731 731 732 732 733 -* ATCommand:730 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 734 734 735 -AT+COMMANDx: Configure RS485 read command to sensor. 732 +((( 733 +AT+COMMANDx or AT+DATACUTx 734 +))) 736 736 737 -AT+DATACUTx: Configure how to handle return from RS485 devices. 736 +((( 737 +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"]]. 738 +))) 738 738 739 -AT+SEARCHx: Configure search command 740 +((( 741 + 742 +))) 740 740 744 +* ((( 745 +(% style="color:#037691" %)**AT Command:** 746 +))) 741 741 742 -* wnlinkPayload:748 +**AT+COMMANDx: **Configure RS485 read command to sensor. 743 743 744 - 0xAFdownlinkcommandcanbeusedtoset AT+COMMANDx orAT+DATACUTx.750 +**AT+DATACUTx: **Configure how to handle return from RS485 devices. 745 745 746 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 747 747 748 -Format: AF MM NN LL XX XX XX XX YY 753 +* ((( 754 +(% style="color:#037691" %)**Downlink Payload:** 755 +))) 749 749 750 -Where: 757 +((( 758 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 759 +))) 751 751 752 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 753 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 754 -* LL: The length of AT+COMMAND or AT+DATACUT command 755 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 756 -* 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. 761 +((( 762 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 763 +))) 757 757 758 -Example: 765 +((( 766 +Format: AF MM NN LL XX XX XX XX YY 767 +))) 759 759 760 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 769 +((( 770 +Where: 771 +))) 761 761 762 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 773 +* ((( 774 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 775 +))) 776 +* ((( 777 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 778 +))) 779 +* ((( 780 +LL: The length of AT+COMMAND or AT+DATACUT command 781 +))) 782 +* ((( 783 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 784 +))) 785 +* ((( 786 +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. 787 +))) 763 763 764 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 789 +((( 790 +**Example:** 791 +))) 765 765 793 +((( 794 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 795 +))) 766 766 767 -0xAB downlink command can be used for set AT+SEARCHx 797 +((( 798 +(% 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** 799 +))) 768 768 769 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 801 +((( 802 +(% 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** 803 +))) 770 770 771 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 772 -* 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 773 773 774 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 775 775 776 776 777 -==== Fast command to handle MODBUS device ==== 808 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ==== 778 778 810 +((( 779 779 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]]. 812 +))) 780 780 814 +((( 781 781 This command is valid since v1.3 firmware version 816 +))) 782 782 818 +((( 819 +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. 820 +))) 783 783 784 -AT+MBFUN has only two value: 822 +((( 823 + 824 +))) 785 785 786 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 826 +((( 827 +**Example:** 828 +))) 787 787 788 -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. 830 +* ((( 831 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 832 +))) 833 +* ((( 834 +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. 835 +))) 836 +* ((( 837 +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. 838 +))) 789 789 790 - *AT+MBFUN=0:DisableModbus fast reading.840 +(% 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" %) 791 791 792 - Example:842 +(% 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" %) 793 793 794 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 795 -* 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. 796 -* 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. 797 797 798 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 799 799 800 800 801 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]847 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ==== 802 802 849 +((( 850 +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. 851 +))) 803 803 804 -* Downlink Commands: 853 +((( 854 +Default value: 0, range: 0 ~~ 65 seconds 855 +))) 805 805 806 -A9 aa -à Same as AT+MBFUN=aa 857 +* ((( 858 +(% style="color:#037691" %)** AT Command:** 859 +))) 807 807 861 +(% class="box infomessage" %) 862 +((( 863 +((( 864 +**AT+CMDDLaa=hex(bb cc)*1000** 865 +))) 866 +))) 808 808 809 -==== RS485 command timeout ==== 868 +((( 869 +**Example:** 870 +))) 810 810 811 -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. 872 +((( 873 +**AT+CMDDL1=1000** to send the open time to 1000ms 874 +))) 812 812 813 -Default value: 0, range: 0 ~~ 5 seconds 876 +((( 877 + 878 +))) 814 814 880 +* ((( 881 +(% style="color:#037691" %)** Downlink Payload:** 882 +))) 815 815 816 -* AT Command: 884 +((( 885 +**0x AA aa bb cc** 886 +))) 817 817 818 -AT+CMDDLaa=hex(bb cc) 888 +((( 889 +Same as: AT+CMDDLaa=hex(bb cc)*1000 890 +))) 819 819 820 -Example: 892 +((( 893 + **Example:** 894 +))) 821 821 822 -**AT+CMDDL1=1000** to send the open time to 1000ms 896 +((( 897 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 898 +))) 823 823 824 824 825 -* Downlink Payload: 826 826 827 -0x AA aa bb cc 828 828 829 - Sameas:AT+CMDDLaa=hex(bb cc)903 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 830 830 831 - Example: 905 +((( 906 +Define to use one uplink or multiple uplinks for the sampling. 907 +))) 832 832 833 - 0xAA 01 03 E8 à Same as **AT+CMDDL1=1000 ms** 909 +((( 910 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 911 +))) 834 834 913 +* ((( 914 +(% style="color:#037691" %)** AT Command:** 915 +))) 835 835 836 - ==== [[Uplink>>path:#downlink_A8]] payload mode====917 +**AT+DATAUP=0** 837 837 838 -D efine to use one uplink or multiple uplinks for the sampling.919 +**AT+DATAUP=1** 839 839 840 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 841 841 842 -* AT Command: 922 +* ((( 923 +(% style="color:#037691" %)** Downlink Payload:** 924 +))) 843 843 844 -AT+DATAUP=0 926 +((( 927 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 928 +))) 845 845 846 -AT+DATAUP=1 930 +((( 931 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 932 +))) 847 847 848 848 849 -* Downlink Payload: 850 850 851 -0xAD 00 à Same as AT+DATAUP=0 852 852 853 - 0xAD01àSame asAT+DATAUP=1937 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 854 854 939 +((( 940 +Ask device to send an uplink immediately. 941 +))) 855 855 856 -==== Manually trigger an Uplink ==== 943 +* ((( 944 +(% style="color:#037691" %)** AT Command:** 945 +))) 857 857 858 -Ask device to send an uplink immediately. 947 +((( 948 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 949 +))) 859 859 860 -* Downlink Payload: 951 +((( 952 + 953 +))) 861 861 862 -0x08 FF, RS485-BL will immediately send an uplink. 955 +* ((( 956 +(% style="color:#037691" %)** Downlink Payload:** 957 +))) 863 863 959 +((( 960 +**0x08 FF**, RS485-LN will immediately send an uplink. 961 +))) 864 864 865 -==== Clear RS485 Command ==== 866 866 867 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 868 868 869 869 870 -* ATCommand:966 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ==== 871 871 968 +((( 969 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 970 +))) 971 + 972 +* ((( 973 +(% style="color:#037691" %)** AT Command:** 974 +))) 975 + 976 +((( 872 872 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 978 +))) 873 873 980 +((( 874 874 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 982 +))) 875 875 984 +((( 876 876 Example screen shot after clear all RS485 commands. 986 +))) 877 877 988 +((( 989 + 990 +))) 878 878 879 - 992 +((( 880 880 The uplink screen shot is: 994 +))) 881 881 882 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]996 +(% 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" %) 883 883 884 884 885 -* Downlink Payload: 999 +* ((( 1000 +(% style="color:#037691" %)** Downlink Payload:** 1001 +))) 886 886 887 -0x09 aa bb same as AT+CMDEAR=aa,bb 1003 +((( 1004 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 1005 +))) 888 888 889 889 890 -==== Set Serial Communication Parameters ==== 891 891 1009 + 1010 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ==== 1011 + 1012 +((( 892 892 Set the Rs485 serial communication parameters: 1014 +))) 893 893 894 -* AT Command: 1016 +* ((( 1017 +(% style="color:#037691" %)** AT Command:** 1018 +))) 895 895 1020 +((( 896 896 Set Baud Rate: 1022 +))) 897 897 898 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 899 899 1025 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 900 900 901 -Set UART parity 902 902 903 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1028 +((( 1029 +Set UART Parity 1030 +))) 904 904 905 905 1033 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1034 + 1035 + 1036 +((( 906 906 Set STOPBIT 1038 +))) 907 907 908 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 909 909 1041 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 910 910 911 -* Downlink Payload: 912 912 913 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1044 +* ((( 1045 +(% style="color:#037691" %)** Downlink Payload:** 1046 +))) 914 914 915 -Example: 1048 +((( 1049 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1050 +))) 916 916 917 -* A7 01 00 60 same as AT+BAUDR=9600 918 -* A7 01 04 80 same as AT+BAUDR=115200 1052 +((( 1053 +**Example:** 1054 +))) 919 919 1056 +* ((( 1057 +A7 01 00 60 same as AT+BAUDR=9600 1058 +))) 1059 +* ((( 1060 +A7 01 04 80 same as AT+BAUDR=115200 1061 +))) 1062 + 1063 +((( 920 920 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1065 +))) 921 921 1067 +((( 922 922 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1069 +))) 923 923 924 924 925 -==== Control output power duration ==== 926 926 927 -User can set the output power duration before each sampling. 928 928 929 - *ATCommand:1074 +== 3.6 Listening mode for RS485 network == 930 930 931 -Example: 1076 +((( 1077 +This feature support since firmware v1.4 1078 +))) 932 932 933 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1080 +((( 1081 +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. 1082 +))) 934 934 935 - AT+5VT=1000~/~/+5Voutput powerlopen1sbefore each sampling.1084 +(% 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" %) 936 936 1086 +((( 1087 +To enable the listening mode, use can run the command AT+RXMODE. 1088 +))) 937 937 938 -* LoRaWAN Downlink Command: 1090 +((( 1091 + 1092 +))) 939 939 940 -07 01 aa bb Same as AT+5VT=(aa bb) 1094 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1095 +|=(% style="width: 100px;" %)((( 1096 +**Command example** 1097 +)))|=(% style="width: 400px;" %)((( 1098 +**Function** 1099 +))) 1100 +|(% style="width:100px" %)((( 1101 +AT+RXMODE=1,10 1102 +)))|(% style="width:400px" %)((( 1103 +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. 1104 +))) 1105 +|(% style="width:100px" %)((( 1106 +AT+RXMODE=2,500 1107 +)))|(% style="width:400px" %)((( 1108 +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 1109 +))) 1110 +|(% style="width:100px" %)((( 1111 +AT+RXMODE=0,0 1112 +)))|(% style="width:400px" %)((( 1113 +Disable listening mode. This is the default settings. 1114 +))) 1115 +|(% style="width:100px" %)((( 1116 + 1117 +)))|(% style="width:400px" %)((( 1118 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1119 +))) 941 941 942 -07 02 aa bb Same as AT+3V3T=(aa bb) 1121 +((( 1122 +**Downlink Command:** 1123 +))) 943 943 1125 +((( 1126 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1127 +))) 944 944 1129 +((( 1130 + 1131 +))) 945 945 1133 +((( 1134 +**Example**: 1135 +))) 946 946 947 -1. 948 -11. Buttons 1137 +((( 1138 +The RS485-LN is set to AT+RXMODE=2,1000 1139 +))) 949 949 950 -|**Button**|**Feature** 951 -|**RST**|Reboot RS485-BL 1141 +((( 1142 +There is a two Modbus commands in the RS485 network as below: 1143 +))) 952 952 953 -1. 954 -11. +3V3 Output 1145 +((( 1146 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1147 +))) 955 955 956 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1149 +((( 1150 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1151 +))) 957 957 958 -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. 1153 +((( 1154 +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 1155 +))) 959 959 1157 +((( 1158 +(% 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" %) 1159 +))) 960 960 961 -The +3V3 output time can be controlled by AT Command. 1161 +((( 1162 + 1163 +))) 962 962 963 -**AT+3V3T=1000** 1165 +((( 1166 +((( 1167 +(% 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. 1168 +))) 1169 +))) 964 964 965 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 966 966 1172 +== 3.7 Buttons == 967 967 968 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 969 969 1175 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1176 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1177 +|(% 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** 1178 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1179 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 970 970 971 -1. 972 -11. +5V Output 1181 +== 3.8 LEDs == 973 973 974 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 975 975 976 -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. 1184 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1185 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1186 +|**PWR**|Always on if there is power 1187 +|**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. 977 977 1189 += 4. Case Study = 978 978 979 - The5Voutputtime canbecontrolledbyATCommand.1191 +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]] 980 980 981 -**AT+5VT=1000** 982 982 983 - Meansset5V valid time to have 1000ms.So, thereal5Voutput will actually have 1000ms + samplingtime for other sensors.1194 += 5. Use AT Command = 984 984 1196 +== 5.1 Access AT Command == 985 985 986 -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. 1198 +((( 1199 +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. 1200 +))) 987 987 1202 +(% 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" %) 988 988 989 989 1205 +((( 1206 +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: 1207 +))) 990 990 991 -1. 992 -11. LEDs 1209 +(% 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" %) 993 993 994 -|**LEDs**|**Feature** 995 -|**LED1**|Blink when device transmit a packet. 996 996 997 -1. 998 -11. Switch Jumper 999 - 1000 -|**Switch Jumper**|**Feature** 1001 -|**SW1**|((( 1002 -ISP position: Upgrade firmware via UART 1003 - 1004 -Flash position: Configure device, check running status. 1212 +((( 1213 +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/]] 1005 1005 ))) 1006 -|**SW2**|((( 1007 -5V position: set to compatible with 5v I/O. 1008 1008 1009 -3.3v position: set to compatible with 3.3v I/O., 1010 -))) 1011 1011 1012 -+3.3V: is always ON 1013 1013 1014 - +5V:Onlyopen before every sampling.Thetime is bydefault, it is AT+5VT=0. Max opentime.5000 ms.1218 +== 5.2 Common AT Command Sequence == 1015 1015 1016 - 1.CaseStudy1220 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1017 1017 1018 - Usercan checkthisURL forsomecasestudies.1222 +If device has not joined network yet: 1019 1019 1020 -[[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]] 1224 +(% class="box infomessage" %) 1225 +((( 1226 +**AT+FDR** 1227 +))) 1021 1021 1229 +(% class="box infomessage" %) 1230 +((( 1231 +**AT+NJM=0** 1232 +))) 1022 1022 1234 +(% class="box infomessage" %) 1235 +((( 1236 +**ATZ** 1237 +))) 1023 1023 1024 1024 1025 -1. Use AT Command 1026 -11. Access AT Command 1240 +((( 1241 +If device already joined network: 1242 +))) 1027 1027 1028 -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. 1244 +(% class="box infomessage" %) 1245 +((( 1246 +**AT+NJM=0** 1247 +))) 1029 1029 1030 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] 1249 +(% class="box infomessage" %) 1250 +((( 1251 +**ATZ** 1252 +))) 1031 1031 1032 1032 1033 - 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:1255 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1034 1034 1035 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]] 1036 1036 1258 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1037 1037 1260 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1038 1038 1039 - MoredetailAT Commandmanualanbefound at[[AT CommandManual>>path:#AT_COMMAND]]1262 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1040 1040 1264 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1041 1041 1266 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1042 1042 1043 -1. 1044 -11. Common AT Command Sequence 1045 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1268 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1046 1046 1047 - Ifdevicehasnotjoinednetworkyet:1270 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1048 1048 1049 -AT+ FDR1272 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1050 1050 1051 -AT+ NJM=01274 +(% 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. 1052 1052 1053 -ATZ 1276 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1054 1054 1055 1055 1056 - Ifdevice alreadyjoined network:1279 +(% style="color:red" %)**Note:** 1057 1057 1058 -AT+NJM=0 1281 +((( 1282 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1283 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1284 +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. 1285 +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 1286 +))) 1059 1059 1060 -A TZ1288 +(% 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" %) 1061 1061 1062 -1. 1063 -11. 1064 -111. Single-channel ABP mode (Use with LG01/LG02) 1065 1065 1066 - AT+FDRResetParameters toFactoryDefault, Keys Reserve1291 += 6. FAQ = 1067 1067 1068 - AT+NJM=0SettoABPmode1293 +== 6.1 How to upgrade the image? == 1069 1069 1070 -AT+ADR=0 Set the Adaptive Data Rate Off 1295 +((( 1296 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1297 +))) 1071 1071 1072 -AT+DR=5 Set Data Rate 1299 +* ((( 1300 +Support new features 1301 +))) 1302 +* ((( 1303 +For bug fix 1304 +))) 1305 +* ((( 1306 +Change LoRaWAN bands. 1307 +))) 1073 1073 1074 -AT+TDC=60000 Set transmit interval to 60 seconds 1309 +((( 1310 +Below shows the hardware connection for how to upload an image to RS485-LN: 1311 +))) 1075 1075 1076 - AT+CHS=868400000Set transmit frequencyto868.4Mhz1313 +(% 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" %) 1077 1077 1078 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1315 +((( 1316 +**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]]. 1317 +))) 1079 1079 1080 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1319 +((( 1320 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1321 +))) 1081 1081 1082 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1323 +((( 1324 +**Step3: **Open flashloader; choose the correct COM port to update. 1325 +))) 1083 1083 1084 -ATZ Reset MCU 1327 +((( 1328 +((( 1329 +((( 1330 +(% 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. 1331 +))) 1332 +))) 1333 +))) 1085 1085 1086 -**Note:** 1087 1087 1088 -1. Make sure the device is set to ABP mode in the IoT Server. 1089 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1090 -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. 1091 -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 1336 +(% 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" %) 1092 1092 1093 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1094 1094 1339 +(% 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" %) 1095 1095 1096 -1. FAQ 1097 -11. How to upgrade the image? 1098 1098 1099 - TheRS485-BLLoRaWANController isshipped3.5mmcable,the cable isusedtouploadimagetoRS485-BLto:1342 +(% 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" %) 1100 1100 1101 -* Support new features 1102 -* For bug fix 1103 -* Change LoRaWAN bands. 1104 1104 1105 - Belowshows thehardware connection forhowto uploadanimageto RS485-BL:1345 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1106 1106 1107 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1347 +(% 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" %) 1108 1108 1109 -**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]]. 1110 1110 1111 - **Step2**:Downloadthe[[LT Imagefiles>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1350 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1112 1112 1113 - **Step3:**Openflashloader;choose thecorrectCOMportto update.1352 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1114 1114 1115 1115 1116 -|((( 1117 -HOLD PRO then press the RST button, SYS will be ON, then click next 1118 -))) 1355 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1119 1119 1120 -|((( 1121 -Board detected 1122 -))) 1357 +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"]]. 1123 1123 1124 -|((( 1125 - 1126 -))) 1127 1127 1128 - [[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]]1360 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1129 1129 1362 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1130 1130 1364 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1131 1131 1132 -[[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]] 1133 1133 1367 += 7. Trouble Shooting = 1134 1134 1135 - [[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]]1369 +== 7.1 Downlink doesn’t work, how to solve it? == 1136 1136 1371 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1137 1137 1138 -1. 1139 -11. How to change the LoRa Frequency Bands/Region? 1140 1140 1141 - Usercanfollow theintroductionfor[[howto upgradeimage>>path:#upgrade_image]]. Whendownloadtheimages, choose the required image file for download.1374 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1142 1142 1376 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1143 1143 1144 1144 1145 -1. 1146 -11. How many RS485-Slave can RS485-BL connects? 1379 += 8. Order Info = 1147 1147 1148 - 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]].1381 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1149 1149 1383 +(% style="color:blue" %)**XXX:** 1150 1150 1385 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1386 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1387 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1388 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1389 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1390 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1391 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1392 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1393 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1394 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1151 1151 1396 += 9.Packing Info = 1152 1152 1153 -1. Trouble Shooting 1154 -11. Downlink doesn’t work, how to solve it? 1155 1155 1156 -P leasesee this link fordebug:1399 +**Package Includes**: 1157 1157 1158 -[[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]] 1401 +* RS485-LN x 1 1402 +* Stick Antenna for LoRa RF part x 1 1403 +* Program cable x 1 1159 1159 1405 +**Dimension and weight**: 1160 1160 1407 +* Device Size: 13.5 x 7 x 3 cm 1408 +* Device Weight: 105g 1409 +* Package Size / pcs : 14.5 x 8 x 5 cm 1410 +* Weight / pcs : 170g 1161 1161 1162 -1. 1163 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1412 += 10. FCC Caution for RS485LN-US915 = 1164 1164 1165 -It might about the channels mapping. Please see for detail. 1414 +((( 1415 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1416 +))) 1166 1166 1167 -[[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]] 1418 +((( 1419 +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. 1420 +))) 1168 1168 1422 +((( 1423 + 1424 +))) 1169 1169 1426 +((( 1427 +**IMPORTANT NOTE:** 1428 +))) 1170 1170 1171 -1. Order Info 1430 +((( 1431 +**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: 1432 +))) 1172 1172 1173 -**Part Number: RS485-BL-XXX** 1434 +((( 1435 +—Reorient or relocate the receiving antenna. 1436 +))) 1174 1174 1175 -**XXX:** 1438 +((( 1439 +—Increase the separation between the equipment and receiver. 1440 +))) 1176 1176 1177 -* **EU433**: frequency bands EU433 1178 -* **EU868**: frequency bands EU868 1179 -* **KR920**: frequency bands KR920 1180 -* **CN470**: frequency bands CN470 1181 -* **AS923**: frequency bands AS923 1182 -* **AU915**: frequency bands AU915 1183 -* **US915**: frequency bands US915 1184 -* **IN865**: frequency bands IN865 1185 -* **RU864**: frequency bands RU864 1186 -* **KZ865: **frequency bands KZ865 1442 +((( 1443 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1444 +))) 1187 1187 1188 -1. Packing Info 1446 +((( 1447 +—Consult the dealer or an experienced radio/TV technician for help. 1448 +))) 1189 1189 1190 -**Package Includes**: 1450 +((( 1451 + 1452 +))) 1191 1191 1192 - * RS485-BL x 11193 -* Stick AntennaforLoRaRF partx 11194 - * Program cable x 11454 +((( 1455 +**FCC Radiation Exposure Statement:** 1456 +))) 1195 1195 1196 -**Dimension and weight**: 1458 +((( 1459 +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. 1460 +))) 1197 1197 1198 -* Device Size: 13.5 x 7 x 3 cm 1199 -* Device Weight: 105g 1200 -* Package Size / pcs : 14.5 x 8 x 5 cm 1201 -* Weight / pcs : 170g 1202 1202 1203 -1. Support 1463 += 11. Support = 1204 1204 1205 -* 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. 1206 -* 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 1207 - 1208 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1465 +* ((( 1466 +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. 1467 +))) 1468 +* ((( 1469 +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]]. 1470 +)))
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