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: ... ... @@ -185,62 +185,71 @@ 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" %) 214 214 255 + 215 215 == 3.3 Configure Commands to read data == 216 216 217 217 ((( 218 218 ((( 219 -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. 220 220 ))) 263 +))) 221 221 222 222 ((( 266 +((( 223 223 (% 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 v1.1 224 224 ))) 269 + 270 + 225 225 ))) 272 +))) 226 226 227 227 === 3.3.1 onfigure UART settings for RS485 or TTL communication === 228 228 229 229 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: 230 230 231 -(% border="1" style="background-color:#ffffcc; color:green; width: 795px" %)232 -|((( 278 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 279 +|=(% style="width: 110px;" %)((( 233 233 **AT Commands** 234 -)))|(% style="width: 285px" %)(((281 +)))|=(% style="width: 190px;" %)((( 235 235 **Description** 236 -)))|(% style="width: 347px" %)(((283 +)))|=(% style="width: 190px;" %)((( 237 237 **Example** 238 238 ))) 239 -|((( 286 +|(% style="width:110px" %)((( 240 240 AT+BAUDR 241 -)))|(% style="width: 285px" %)(((288 +)))|(% style="width:190px" %)((( 242 242 Set the baud rate (for RS485 connection). Default Value is: 9600. 243 -)))|(% style="width: 347px" %)(((290 +)))|(% style="width:190px" %)((( 244 244 ((( 245 245 AT+BAUDR=9600 246 246 ))) ... ... @@ -249,11 +249,11 @@ 249 249 Options: (1200,2400,4800,14400,19200,115200) 250 250 ))) 251 251 ))) 252 -|((( 299 +|(% style="width:110px" %)((( 253 253 AT+PARITY 254 -)))|(% style="width: 285px" %)(((301 +)))|(% style="width:190px" %)((( 255 255 Set UART parity (for RS485 connection) 256 -)))|(% style="width: 347px" %)(((303 +)))|(% style="width:190px" %)((( 257 257 ((( 258 258 AT+PARITY=0 259 259 ))) ... ... @@ -262,9 +262,9 @@ 262 262 Option: 0: no parity, 1: odd parity, 2: even parity 263 263 ))) 264 264 ))) 265 -|((( 312 +|(% style="width:110px" %)((( 266 266 AT+STOPBIT 267 -)))|(% style="width: 285px" %)(((314 +)))|(% style="width:190px" %)((( 268 268 ((( 269 269 Set serial stopbit (for RS485 connection) 270 270 ))) ... ... @@ -272,7 +272,7 @@ 272 272 ((( 273 273 274 274 ))) 275 -)))|(% style="width: 347px" %)(((322 +)))|(% style="width:190px" %)((( 276 276 ((( 277 277 AT+STOPBIT=0 for 1bit 278 278 ))) ... ... @@ -286,6 +286,9 @@ 286 286 ))) 287 287 ))) 288 288 336 + 337 + 338 + 289 289 === 3.3.2 Configure sensors === 290 290 291 291 ((( ... ... @@ -294,140 +294,71 @@ 294 294 ))) 295 295 ))) 296 296 297 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 298 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 299 -|AT+CFGDEV|(% style="width:418px" %)((( 300 -This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 301 - 302 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 303 - 304 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 305 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 306 - 307 -=== 3.3.3 Configure read commands for each sampling === 308 - 347 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 348 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 349 +|AT+CFGDEV|(% style="width:110px" %)((( 309 309 ((( 310 - RS485-BLisa battery powereddevice; it willsleepmost of time. Andwake uponeach period andreadRS485sensordataand uplink.351 +This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 311 311 ))) 312 312 313 313 ((( 314 - 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.355 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 315 315 ))) 316 316 317 317 ((( 318 - Tosavethe LoRaWANnetworkbandwidth,wemightneedto readdata from different sensors andcombinetheir valid value into ashortpayload.359 +mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 319 319 ))) 361 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 320 320 321 -((( 322 -This section describes how to achieve above goals. 323 -))) 324 324 325 -((( 326 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 327 -))) 328 328 329 -((( 330 -**Command from RS485-BL to Sensor:** 331 -))) 332 332 333 -((( 334 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 335 -))) 366 +=== 3.3.3 Configure read commands for each sampling === 336 336 337 337 ((( 338 -**Handle return from sensors to RS485-BL**: 339 -))) 369 +During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload. 340 340 341 -((( 342 -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** 343 -))) 371 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 344 344 345 -* ((( 346 -**AT+DATACUT** 347 -))) 373 +This section describes how to achieve above goals. 348 348 349 -((( 350 -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. 351 -))) 375 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 352 352 353 -* ((( 354 -**AT+SEARCH** 355 -))) 356 356 357 -((( 358 -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. 359 -))) 378 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 360 360 361 -((( 362 -**Define wait timeout:** 363 -))) 380 +~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar. 364 364 365 -((( 366 -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 367 -))) 382 +2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar. 368 368 369 -((( 370 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 371 -))) 384 +3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms 372 372 373 -**Examples:** 374 374 387 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 388 + 375 375 Below are examples for the how above AT Commands works. 376 376 377 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 378 378 379 -(% border="1" class="table-bordered" %) 380 -|((( 381 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 392 +(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 382 382 394 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 395 +|(% style="width:496px" %)((( 396 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 397 + 383 383 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 384 384 385 385 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 386 386 ))) 387 387 388 -((( 389 389 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. 390 -))) 391 391 392 -((( 393 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 394 -))) 405 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 395 395 396 -((( 397 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 398 -))) 399 399 400 -(% border="1" class="table-bordered" %) 401 -|((( 402 -**AT+SEARCHx=aa,xx xx xx xx xx** 408 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 403 403 404 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 405 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 406 - 407 - 408 -))) 409 - 410 -**Examples:** 411 - 412 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 413 - 414 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 415 - 416 -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** 417 - 418 -[[image:1653269403619-508.png]] 419 - 420 -2. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 421 - 422 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 423 - 424 -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** 425 - 426 -[[image:1653269438444-278.png]] 427 - 428 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 429 - 430 -|((( 410 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 411 +|(% style="width:510px" %)((( 431 431 **AT+DATACUTx=a,b,c** 432 432 433 433 * **a: length for the return of AT+COMMAND** ... ... @@ -435,48 +435,38 @@ 435 435 * **c: define the position for valid value. ** 436 436 ))) 437 437 438 -Examples: 419 +**Examples:** 439 439 440 -* Grab bytes :421 +* (% style="color:#037691" %)**Grab bytes** 441 441 442 -[[image: 1653269551753-223.png||height="311" width="717"]]423 +(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 443 443 444 -* Grab a section. 445 445 446 - [[image:1653269568276-930.png||height="325"width="718"]]426 +* (% style="color:#037691" %)**Grab a section** 447 447 448 - *Grab different sections.428 +(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 449 449 450 -[[image:1653269593172-426.png||height="303" width="725"]] 451 451 452 -(% style="color: red" %)**Note:**431 +* (% style="color:#037691" %)**Grab different sections** 453 453 454 - AT+SEARCHxand AT+DATACUTx canbeusedtogether,if bothcommands areset, RS485-BL willfirstprocess AT+SEARCHxon thereturn stringndmporary string, andthenprocessAT+DATACUTxthistemporary stringoget thefinalpayload. In this case,AT+DATACUTx needtosetformatAT+DATACUTx=0,xx,xxwherethereturnbytessetto 0.433 +(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 455 455 456 -Example: 457 457 458 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 436 + 437 +))) 459 459 460 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34 461 - 462 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5 463 - 464 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 465 - 466 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 467 - 468 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 469 - 470 -[[image:1653269618463-608.png]] 471 - 472 472 === 3.3.4 Compose the uplink payload === 473 473 474 474 ((( 475 475 Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 443 + 444 + 476 476 ))) 477 477 478 478 ((( 479 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 448 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 449 + 450 + 480 480 ))) 481 481 482 482 ((( ... ... @@ -495,10 +495,12 @@ 495 495 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 496 496 ))) 497 497 498 -[[image:1653269759169-150.png||height="513" width="716"]] 469 +(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 499 499 500 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 501 501 472 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 473 + 474 + 502 502 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 503 503 504 504 Final Payload is ... ... @@ -505,700 +505,1000 @@ 505 505 506 506 (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 507 507 508 -1. Battery Info (2 bytes): Battery voltage 509 -1. PAYVER (1 byte): Defined by AT+PAYVER 510 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 511 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 512 -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 513 513 514 -[[image:1653269916228-732.png||height="433" width="711"]] 482 +1. PAYVER: Defined by AT+PAYVER 483 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 484 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 485 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes 515 515 487 +(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 516 516 517 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 518 518 519 - DATA1=RETURN1Valid Value=(%style="background-color:green;color:white"%)20200a 33 90 41490 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 520 520 521 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10=(%style="background-color:green; color:white" %)02 aa0581 0a20492 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 522 522 523 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN10(%style="background-color:green;color:white"%)20 20 20 2d30494 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 524 524 525 - Belowareheuplinkpayloads:496 +DATA3=the rest of Valid value of RETURN10= **30** 526 526 527 -[[image:1653270130359-810.png]] 528 528 499 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below: 529 529 530 - (%style="color:red"%)**Notice:theMaxbytes is accordingto the maxsupportbytesin differentFrequencyBands forlowest SF.As below:**501 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 531 531 532 - ~*51 bytes for each uplink( so 51 -5 = 46 max valid date)503 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 533 533 534 - * For AU915/AS923bands,if UplinkDwell time=1, max 11 bytes( so 11 -5 = 6 max valid date).505 + * For US915 band, max 11 bytes for each uplink. 535 535 536 - * US915band,max 11bytes( so 11 -5 = 6 max valid date).507 + ~* For all other bands: max 51 bytes for each uplink. 537 537 538 - ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 539 539 540 - ===3.3.5Uplink on demand===510 +Below are the uplink payloads: 541 541 542 - Exceptuplinkperiodically,RS485-BLisable toThe server sends downlinkcommand toRS485-BLandRS485willuplinkdatabaseonthecommand.512 +(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 543 543 544 -Downlink control command: 545 545 546 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL. 547 547 548 - [[0xA8command>>path:#downlink_A8]]:Send a commandto RS485-BL anduplink theoutput fromsensors.516 +=== 3.3.5 Uplink on demand === 549 549 518 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command. 550 550 520 +Downlink control command: 551 551 552 -1. 553 -11. 554 -111. Uplink on Interrupt 522 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 555 555 556 - Putthe interruptsensorbetween3.3v_outandGPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]524 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 557 557 558 -AT+INTMOD=0 Disable Interrupt 559 559 560 -AT+INTMOD=1 Interrupt trigger by rising or falling edge. 561 561 562 - AT+INTMOD=2Interrupttrigger by falling edge. ( Default Value)528 +=== 3.3.6 Uplink on Interrupt === 563 563 564 - AT+INTMOD=3Interrupttriggerby risingedge.530 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 565 565 532 +(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 566 566 567 -1. 568 -11. Uplink Payload 534 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet. 569 569 570 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 571 -|Value|((( 572 -Battery(mV) 573 573 574 - &537 +== 3.4 Uplink Payload == 575 575 576 -Interrupt _Flag 577 -)))|((( 578 -PAYLOAD_VER 579 579 580 - 581 -)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 540 +(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 582 582 583 583 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 584 584 585 585 586 -fu nctionDecoder(bytes,port){545 +== 3.5 Configure RS485-LN via AT or Downlink == 587 587 588 -~/~/Payload Formats of RS485-BL Deceive 547 +((( 548 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 549 +))) 589 589 590 -return { 591 - 592 - ~/~/Battery,units:V 593 - 594 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 595 - 596 - ~/~/GPIO_EXTI 597 - 598 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 599 - 600 - ~/~/payload of version 601 - 602 - Pay_ver:bytes[2], 603 - 604 - }; 605 - 606 - } 607 - 608 - 609 - 610 - 611 - 612 - 613 - 614 -TTN V3 uplink screen shot. 615 - 616 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 617 - 618 -1. 619 -11. Configure RS485-BL via AT or Downlink 620 - 621 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 622 - 551 +((( 623 623 There are two kinds of Commands: 553 +))) 624 624 625 -* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands 555 +* ((( 556 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 557 +))) 626 626 627 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 559 +* ((( 560 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 561 +))) 628 628 629 - 1.630 - 11.631 - 111. Common Commands:563 +((( 564 + 565 +))) 632 632 633 -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]] 634 634 568 +=== 3.5.1 Common Commands === 635 635 636 -1. 637 -11. 638 -111. Sensor related commands: 570 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 639 639 640 -==== Choose Device Type (RS485 or TTL) ==== 641 641 642 - RS485-BLcan connect to either RS485sensorsorTTL sensor. User need to specify whattypeof sensor needtoconnect.573 +=== 3.5.2 Sensor related commands === 643 643 644 - *ATCommand575 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server. 645 645 646 - **AT+MOD=1**~/~/SettoupportRS485-MODBUStypesensors.UsernectultiplyRS485,Modbus sensorsto theA/Bpins.577 +(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 647 647 648 - **AT+MOD=2** ~/~/ Set to supportTTLLevel sensors,Usercan connect oneTTLSensortotheTXD/RXD/GNDpins.579 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable) 649 649 650 650 651 - *DownlinkPayload582 +=== 3.5.3 Sensor related commands === 652 652 653 -**0A aa** à same as AT+MOD=aa 654 654 655 655 656 656 657 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====587 +==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ==== 658 658 659 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 589 +((( 590 +This command is used to configure the RS485 devices; they won’t be used during sampling. 591 +))) 660 660 661 -* AT Command 593 +* ((( 594 +(% style="color:#037691" %)**AT Command** 662 662 663 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 596 +((( 597 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 598 +))) 599 +))) 664 664 665 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 601 +((( 602 + 603 +))) 666 666 605 +* ((( 606 +(% style="color:#037691" %)**Downlink Payload** 607 +))) 667 667 668 - 669 -* Downlink Payload 670 - 609 +((( 671 671 Format: A8 MM NN XX XX XX XX YY 611 +))) 672 672 613 +((( 673 673 Where: 615 +))) 674 674 675 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 676 -* NN: The length of RS485 command 677 -* XX XX XX XX: RS485 command total NN bytes 678 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 617 +* ((( 618 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 619 +))) 620 +* ((( 621 +NN: The length of RS485 command 622 +))) 623 +* ((( 624 +XX XX XX XX: RS485 command total NN bytes 625 +))) 626 +* ((( 627 +((( 628 +YY: How many bytes will be uplink from the return of this RS485 command, 629 +))) 679 679 680 -**Example 1:** 631 +* ((( 632 +if YY=0, RS485-LN will execute the downlink command without uplink; 633 +))) 634 +* ((( 635 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 636 +))) 637 +* ((( 638 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 639 +))) 640 +))) 681 681 642 +((( 643 + 644 + 645 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 646 +))) 647 + 648 +((( 682 682 To connect a Modbus Alarm with below commands. 650 +))) 683 683 684 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 652 +* ((( 653 +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. 654 +))) 685 685 686 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 656 +* ((( 657 +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. 658 +))) 687 687 660 +((( 661 + 662 + 688 688 So if user want to use downlink command to control to RS485 Alarm, he can use: 664 +))) 689 689 690 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 666 +((( 667 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 668 +))) 691 691 692 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 670 +((( 671 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 672 +))) 693 693 674 +((( 694 694 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. 676 +))) 695 695 678 +((( 679 + 680 +))) 696 696 697 -**Example 2:** 682 +((( 683 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 684 +))) 698 698 699 -Check TTL Sensor return: 686 +((( 687 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 688 +))) 700 700 701 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 690 +((( 691 + 692 +))) 702 702 694 +((( 695 +((( 696 +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: **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 697 +))) 703 703 699 + 700 +))) 704 704 702 +((( 703 + (% 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" %) 704 +))) 705 705 706 -==== Set Payload version ==== 707 707 708 -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. 709 709 710 -* AT Command: 711 711 712 - AT+PAYVER: Set PAYVER field=1709 +==== (% style="color:blue" %)**Set Payload version**(%%) ==== 713 713 711 +((( 712 +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. 713 +))) 714 714 715 -* Downlink Payload: 715 +* ((( 716 +(% style="color:#037691" %)**AT Command:** 716 716 717 - 0xAE01àSet PAYVER field =0x01718 +**AT+PAYVER: **Set PAYVER field = 1 718 718 719 -0xAE 0F à Set PAYVER field = 0x0F 720 + 721 +))) 722 +* ((( 723 +(% style="color:#037691" %)**Downlink Payload:** 724 +))) 720 720 726 +((( 727 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 728 +))) 721 721 722 -==== Set RS485 Sampling Commands ==== 730 +((( 731 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 732 +))) 723 723 724 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 725 725 726 -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]]. 727 727 728 728 729 -* ATCommand:737 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 730 730 731 -AT+COMMANDx: Configure RS485 read command to sensor. 739 +((( 740 +AT+COMMANDx or AT+DATACUTx 741 +))) 732 732 733 -AT+DATACUTx: Configure how to handle return from RS485 devices. 743 +((( 744 +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"]]. 745 +))) 734 734 735 -AT+SEARCHx: Configure search command 747 +((( 748 + 749 +))) 736 736 751 +* ((( 752 +(% style="color:#037691" %)**AT Command:** 753 +))) 737 737 738 -* wnlinkPayload:755 +**AT+COMMANDx: **Configure RS485 read command to sensor. 739 739 740 - 0xAFdownlinkcommandcanbeusedtoset AT+COMMANDx orAT+DATACUTx.757 +**AT+DATACUTx: **Configure how to handle return from RS485 devices. 741 741 742 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 743 743 744 -Format: AF MM NN LL XX XX XX XX YY 760 +* ((( 761 +(% style="color:#037691" %)**Downlink Payload:** 762 +))) 745 745 746 -Where: 764 +((( 765 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 766 +))) 747 747 748 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 749 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 750 -* LL: The length of AT+COMMAND or AT+DATACUT command 751 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 752 -* 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. 768 +((( 769 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 770 +))) 753 753 754 -Example: 772 +((( 773 +Format: AF MM NN LL XX XX XX XX YY 774 +))) 755 755 756 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 776 +((( 777 +Where: 778 +))) 757 757 758 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 780 +* ((( 781 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 782 +))) 783 +* ((( 784 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 785 +))) 786 +* ((( 787 +LL: The length of AT+COMMAND or AT+DATACUT command 788 +))) 789 +* ((( 790 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 791 +))) 792 +* ((( 793 +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. 794 +))) 759 759 760 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 796 +((( 797 +**Example:** 798 +))) 761 761 800 +((( 801 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 802 +))) 762 762 763 -0xAB downlink command can be used for set AT+SEARCHx 804 +((( 805 +(% 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** 806 +))) 764 764 765 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 808 +((( 809 +(% 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** 810 +))) 766 766 767 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 768 -* 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 769 769 770 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 771 771 772 772 773 -==== Fast command to handle MODBUS device ==== 815 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ==== 774 774 817 +((( 775 775 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]]. 819 +))) 776 776 821 +((( 777 777 This command is valid since v1.3 firmware version 823 +))) 778 778 825 +((( 826 +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. 827 +))) 779 779 780 -AT+MBFUN has only two value: 829 +((( 830 + 831 +))) 781 781 782 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 833 +((( 834 +**Example:** 835 +))) 783 783 784 -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. 837 +* ((( 838 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 839 +))) 840 +* ((( 841 +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. 842 +))) 843 +* ((( 844 +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. 845 +))) 785 785 786 - *AT+MBFUN=0:DisableModbus fast reading.847 +(% 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" %) 787 787 788 - Example:849 +(% 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" %) 789 789 790 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 791 -* 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. 792 -* 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. 793 793 794 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 795 795 796 796 797 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]854 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ==== 798 798 856 +((( 857 +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. 858 +))) 799 799 800 -* Downlink Commands: 860 +((( 861 +Default value: 0, range: 0 ~~ 65 seconds 862 +))) 801 801 802 -A9 aa -à Same as AT+MBFUN=aa 864 +* ((( 865 +(% style="color:#037691" %)** AT Command:** 866 +))) 803 803 868 +(% class="box infomessage" %) 869 +((( 870 +((( 871 +**AT+CMDDLaa=hex(bb cc)*1000** 872 +))) 873 +))) 804 804 805 -==== RS485 command timeout ==== 875 +((( 876 +**Example:** 877 +))) 806 806 807 -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. 879 +((( 880 +**AT+CMDDL1=1000** to send the open time to 1000ms 881 +))) 808 808 809 -Default value: 0, range: 0 ~~ 5 seconds 883 +((( 884 + 885 +))) 810 810 887 +* ((( 888 +(% style="color:#037691" %)** Downlink Payload:** 889 +))) 811 811 812 -* AT Command: 891 +((( 892 +**0x AA aa bb cc** 893 +))) 813 813 814 -AT+CMDDLaa=hex(bb cc) 895 +((( 896 +Same as: AT+CMDDLaa=hex(bb cc)*1000 897 +))) 815 815 816 -Example: 899 +((( 900 + **Example:** 901 +))) 817 817 818 -**AT+CMDDL1=1000** to send the open time to 1000ms 903 +((( 904 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 905 +))) 819 819 820 820 821 -* Downlink Payload: 822 822 823 -0x AA aa bb cc 824 824 825 - Sameas:AT+CMDDLaa=hex(bb cc)910 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 826 826 827 - Example: 912 +((( 913 +Define to use one uplink or multiple uplinks for the sampling. 914 +))) 828 828 829 - 0xAA 01 03 E8 à Same as **AT+CMDDL1=1000 ms** 916 +((( 917 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 918 +))) 830 830 920 +* ((( 921 +(% style="color:#037691" %)** AT Command:** 922 +))) 831 831 832 - ==== [[Uplink>>path:#downlink_A8]] payload mode====924 +**AT+DATAUP=0** 833 833 834 -D efine to use one uplink or multiple uplinks for the sampling.926 +**AT+DATAUP=1** 835 835 836 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 837 837 838 -* AT Command: 929 +* ((( 930 +(% style="color:#037691" %)** Downlink Payload:** 931 +))) 839 839 840 -AT+DATAUP=0 933 +((( 934 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 935 +))) 841 841 842 -AT+DATAUP=1 937 +((( 938 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 939 +))) 843 843 844 844 845 -* Downlink Payload: 846 846 847 -0xAD 00 à Same as AT+DATAUP=0 848 848 849 - 0xAD01àSame asAT+DATAUP=1944 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 850 850 946 +((( 947 +Ask device to send an uplink immediately. 948 +))) 851 851 852 -==== Manually trigger an Uplink ==== 950 +* ((( 951 +(% style="color:#037691" %)** AT Command:** 952 +))) 853 853 854 -Ask device to send an uplink immediately. 954 +((( 955 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 956 +))) 855 855 856 -* Downlink Payload: 958 +((( 959 + 960 +))) 857 857 858 -0x08 FF, RS485-BL will immediately send an uplink. 962 +* ((( 963 +(% style="color:#037691" %)** Downlink Payload:** 964 +))) 859 859 966 +((( 967 +**0x08 FF**, RS485-LN will immediately send an uplink. 968 +))) 860 860 861 -==== Clear RS485 Command ==== 862 862 863 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 864 864 865 865 866 -* ATCommand:973 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ==== 867 867 975 +((( 976 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 977 +))) 978 + 979 +* ((( 980 +(% style="color:#037691" %)** AT Command:** 981 +))) 982 + 983 +((( 868 868 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 985 +))) 869 869 987 +((( 870 870 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 989 +))) 871 871 991 +((( 872 872 Example screen shot after clear all RS485 commands. 993 +))) 873 873 995 +((( 996 + 997 +))) 874 874 875 - 999 +((( 876 876 The uplink screen shot is: 1001 +))) 877 877 878 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1003 +(% 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" %) 879 879 880 880 881 -* Downlink Payload: 1006 +* ((( 1007 +(% style="color:#037691" %)** Downlink Payload:** 1008 +))) 882 882 883 -0x09 aa bb same as AT+CMDEAR=aa,bb 1010 +((( 1011 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 1012 +))) 884 884 885 885 886 -==== Set Serial Communication Parameters ==== 887 887 1016 + 1017 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ==== 1018 + 1019 +((( 888 888 Set the Rs485 serial communication parameters: 1021 +))) 889 889 890 -* AT Command: 1023 +* ((( 1024 +(% style="color:#037691" %)** AT Command:** 1025 +))) 891 891 1027 +((( 892 892 Set Baud Rate: 1029 +))) 893 893 894 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 895 895 1032 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 896 896 897 -Set UART parity 898 898 899 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1035 +((( 1036 +Set UART Parity 1037 +))) 900 900 901 901 1040 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1041 + 1042 + 1043 +((( 902 902 Set STOPBIT 1045 +))) 903 903 904 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 905 905 1048 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 906 906 907 -* Downlink Payload: 908 908 909 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1051 +* ((( 1052 +(% style="color:#037691" %)** Downlink Payload:** 1053 +))) 910 910 911 -Example: 1055 +((( 1056 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1057 +))) 912 912 913 -* A7 01 00 60 same as AT+BAUDR=9600 914 -* A7 01 04 80 same as AT+BAUDR=115200 1059 +((( 1060 +**Example:** 1061 +))) 915 915 1063 +* ((( 1064 +A7 01 00 60 same as AT+BAUDR=9600 1065 +))) 1066 +* ((( 1067 +A7 01 04 80 same as AT+BAUDR=115200 1068 +))) 1069 + 1070 +((( 916 916 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1072 +))) 917 917 1074 +((( 918 918 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1076 +))) 919 919 920 920 921 -==== Control output power duration ==== 922 922 923 -User can set the output power duration before each sampling. 924 924 925 - *ATCommand:1081 +== 3.6 Listening mode for RS485 network == 926 926 927 -Example: 1083 +((( 1084 +This feature support since firmware v1.4 1085 +))) 928 928 929 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1087 +((( 1088 +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. 1089 +))) 930 930 931 - AT+5VT=1000~/~/+5Voutput powerlopen1sbefore each sampling.1091 +(% 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" %) 932 932 1093 +((( 1094 +To enable the listening mode, use can run the command AT+RXMODE. 1095 +))) 933 933 934 -* LoRaWAN Downlink Command: 1097 +((( 1098 + 1099 +))) 935 935 936 -07 01 aa bb Same as AT+5VT=(aa bb) 1101 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1102 +|=(% style="width: 100px;" %)((( 1103 +**Command example** 1104 +)))|=(% style="width: 400px;" %)((( 1105 +**Function** 1106 +))) 1107 +|(% style="width:100px" %)((( 1108 +AT+RXMODE=1,10 1109 +)))|(% style="width:400px" %)((( 1110 +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. 1111 +))) 1112 +|(% style="width:100px" %)((( 1113 +AT+RXMODE=2,500 1114 +)))|(% style="width:400px" %)((( 1115 +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 1116 +))) 1117 +|(% style="width:100px" %)((( 1118 +AT+RXMODE=0,0 1119 +)))|(% style="width:400px" %)((( 1120 +Disable listening mode. This is the default settings. 1121 +))) 1122 +|(% style="width:100px" %)((( 1123 + 1124 +)))|(% style="width:400px" %)((( 1125 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1126 +))) 937 937 938 -07 02 aa bb Same as AT+3V3T=(aa bb) 1128 +((( 1129 +**Downlink Command:** 1130 +))) 939 939 1132 +((( 1133 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1134 +))) 940 940 1136 +((( 1137 + 1138 +))) 941 941 1140 +((( 1141 +**Example**: 1142 +))) 942 942 943 -1. 944 -11. Buttons 1144 +((( 1145 +The RS485-LN is set to AT+RXMODE=2,1000 1146 +))) 945 945 946 -|**Button**|**Feature** 947 -|**RST**|Reboot RS485-BL 1148 +((( 1149 +There is a two Modbus commands in the RS485 network as below: 1150 +))) 948 948 949 -1. 950 -11. +3V3 Output 1152 +((( 1153 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1154 +))) 951 951 952 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1156 +((( 1157 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1158 +))) 953 953 954 -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. 1160 +((( 1161 +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 1162 +))) 955 955 1164 +((( 1165 +(% 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" %) 1166 +))) 956 956 957 -The +3V3 output time can be controlled by AT Command. 1168 +((( 1169 + 1170 +))) 958 958 959 -**AT+3V3T=1000** 1172 +((( 1173 +((( 1174 +(% 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. 1175 +))) 1176 +))) 960 960 961 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 962 962 1179 +== 3.7 Buttons == 963 963 964 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 965 965 1182 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1183 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1184 +|(% 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** 1185 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1186 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 966 966 967 -1. 968 -11. +5V Output 1188 +== 3.8 LEDs == 969 969 970 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 971 971 972 -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. 1191 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1192 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1193 +|**PWR**|Always on if there is power 1194 +|**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. 973 973 1196 += 4. Case Study = 974 974 975 - The5Voutputtime canbecontrolledbyATCommand.1198 +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]] 976 976 977 -**AT+5VT=1000** 978 978 979 - Meansset5V valid time to have 1000ms.So, thereal5Voutput will actually have 1000ms + samplingtime for other sensors.1201 += 5. Use AT Command = 980 980 1203 +== 5.1 Access AT Command == 981 981 982 -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. 1205 +((( 1206 +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. 1207 +))) 983 983 1209 +(% 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" %) 984 984 985 985 1212 +((( 1213 +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: 1214 +))) 986 986 987 -1. 988 -11. LEDs 1216 +(% 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" %) 989 989 990 -|**LEDs**|**Feature** 991 -|**LED1**|Blink when device transmit a packet. 992 992 993 -1. 994 -11. Switch Jumper 995 - 996 -|**Switch Jumper**|**Feature** 997 -|**SW1**|((( 998 -ISP position: Upgrade firmware via UART 999 - 1000 -Flash position: Configure device, check running status. 1219 +((( 1220 +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/]] 1001 1001 ))) 1002 -|**SW2**|((( 1003 -5V position: set to compatible with 5v I/O. 1004 1004 1005 -3.3v position: set to compatible with 3.3v I/O., 1006 -))) 1007 1007 1008 -+3.3V: is always ON 1009 1009 1010 - +5V:Onlyopen before every sampling.Thetime is bydefault, it is AT+5VT=0. Max opentime.5000 ms.1225 +== 5.2 Common AT Command Sequence == 1011 1011 1012 - 1.CaseStudy1227 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1013 1013 1014 - Usercan checkthisURL forsomecasestudies.1229 +If device has not joined network yet: 1015 1015 1016 -[[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]] 1231 +(% class="box infomessage" %) 1232 +((( 1233 +**AT+FDR** 1234 +))) 1017 1017 1236 +(% class="box infomessage" %) 1237 +((( 1238 +**AT+NJM=0** 1239 +))) 1018 1018 1241 +(% class="box infomessage" %) 1242 +((( 1243 +**ATZ** 1244 +))) 1019 1019 1020 1020 1021 -1. Use AT Command 1022 -11. Access AT Command 1247 +((( 1248 +If device already joined network: 1249 +))) 1023 1023 1024 -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. 1251 +(% class="box infomessage" %) 1252 +((( 1253 +**AT+NJM=0** 1254 +))) 1025 1025 1026 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] 1256 +(% class="box infomessage" %) 1257 +((( 1258 +**ATZ** 1259 +))) 1027 1027 1028 1028 1029 - 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:1262 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1030 1030 1031 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]] 1032 1032 1265 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1033 1033 1267 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1034 1034 1035 - MoredetailAT Commandmanualanbefound at[[AT CommandManual>>path:#AT_COMMAND]]1269 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1036 1036 1271 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1037 1037 1273 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1038 1038 1039 -1. 1040 -11. Common AT Command Sequence 1041 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1275 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1042 1042 1043 - Ifdevicehasnotjoinednetworkyet:1277 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1044 1044 1045 -AT+ FDR1279 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1046 1046 1047 -AT+ NJM=01281 +(% 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. 1048 1048 1049 -ATZ 1283 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1050 1050 1051 1051 1052 - Ifdevice alreadyjoined network:1286 +(% style="color:red" %)**Note:** 1053 1053 1054 -AT+NJM=0 1288 +((( 1289 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1290 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1291 +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. 1292 +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 1293 +))) 1055 1055 1056 -A TZ1295 +(% 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" %) 1057 1057 1058 -1. 1059 -11. 1060 -111. Single-channel ABP mode (Use with LG01/LG02) 1061 1061 1062 - AT+FDRResetParameters toFactoryDefault, Keys Reserve1298 += 6. FAQ = 1063 1063 1064 - AT+NJM=0SettoABPmode1300 +== 6.1 How to upgrade the image? == 1065 1065 1066 -AT+ADR=0 Set the Adaptive Data Rate Off 1302 +((( 1303 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1304 +))) 1067 1067 1068 -AT+DR=5 Set Data Rate 1306 +* ((( 1307 +Support new features 1308 +))) 1309 +* ((( 1310 +For bug fix 1311 +))) 1312 +* ((( 1313 +Change LoRaWAN bands. 1314 +))) 1069 1069 1070 -AT+TDC=60000 Set transmit interval to 60 seconds 1316 +((( 1317 +Below shows the hardware connection for how to upload an image to RS485-LN: 1318 +))) 1071 1071 1072 - AT+CHS=868400000Set transmit frequencyto868.4Mhz1320 +(% 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" %) 1073 1073 1074 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1322 +((( 1323 +**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]]. 1324 +))) 1075 1075 1076 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1326 +((( 1327 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1328 +))) 1077 1077 1078 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1330 +((( 1331 +**Step3: **Open flashloader; choose the correct COM port to update. 1332 +))) 1079 1079 1080 -ATZ Reset MCU 1334 +((( 1335 +((( 1336 +((( 1337 +(% 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. 1338 +))) 1339 +))) 1340 +))) 1081 1081 1082 -**Note:** 1083 1083 1084 -1. Make sure the device is set to ABP mode in the IoT Server. 1085 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1086 -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. 1087 -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 1343 +(% 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" %) 1088 1088 1089 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1090 1090 1346 +(% 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" %) 1091 1091 1092 -1. FAQ 1093 -11. How to upgrade the image? 1094 1094 1095 - TheRS485-BLLoRaWANController isshipped3.5mmcable,the cable isusedtouploadimagetoRS485-BLto:1349 +(% 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" %) 1096 1096 1097 -* Support new features 1098 -* For bug fix 1099 -* Change LoRaWAN bands. 1100 1100 1101 - Belowshows thehardware connection forhowto uploadanimageto RS485-BL:1352 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1102 1102 1103 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1354 +(% 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" %) 1104 1104 1105 -**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]]. 1106 1106 1107 - **Step2**:Downloadthe[[LT Imagefiles>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1357 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1108 1108 1109 - **Step3:**Openflashloader;choose thecorrectCOMportto update.1359 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1110 1110 1111 1111 1112 -|((( 1113 -HOLD PRO then press the RST button, SYS will be ON, then click next 1114 -))) 1362 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1115 1115 1116 -|((( 1117 -Board detected 1118 -))) 1364 +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"]]. 1119 1119 1120 -|((( 1121 - 1122 -))) 1123 1123 1124 - [[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]]1367 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1125 1125 1369 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1126 1126 1371 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1127 1127 1128 -[[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]] 1129 1129 1374 += 7. Trouble Shooting = 1130 1130 1131 - [[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]]1376 +== 7.1 Downlink doesn’t work, how to solve it? == 1132 1132 1378 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1133 1133 1134 -1. 1135 -11. How to change the LoRa Frequency Bands/Region? 1136 1136 1137 - Usercanfollow theintroductionfor[[howto upgradeimage>>path:#upgrade_image]]. Whendownloadtheimages, choose the required image file for download.1381 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1138 1138 1383 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1139 1139 1140 1140 1141 -1. 1142 -11. How many RS485-Slave can RS485-BL connects? 1386 += 8. Order Info = 1143 1143 1144 - 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]].1388 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1145 1145 1390 +(% style="color:blue" %)**XXX:** 1146 1146 1392 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1393 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1394 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1395 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1396 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1397 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1398 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1399 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1400 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1401 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1147 1147 1403 += 9.Packing Info = 1148 1148 1149 -1. Trouble Shooting 1150 -11. Downlink doesn’t work, how to solve it? 1151 1151 1152 -P leasesee this link fordebug:1406 +**Package Includes**: 1153 1153 1154 -[[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]] 1408 +* RS485-LN x 1 1409 +* Stick Antenna for LoRa RF part x 1 1410 +* Program cable x 1 1155 1155 1412 +**Dimension and weight**: 1156 1156 1414 +* Device Size: 13.5 x 7 x 3 cm 1415 +* Device Weight: 105g 1416 +* Package Size / pcs : 14.5 x 8 x 5 cm 1417 +* Weight / pcs : 170g 1157 1157 1158 -1. 1159 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1419 += 10. FCC Caution for RS485LN-US915 = 1160 1160 1161 -It might about the channels mapping. Please see for detail. 1421 +((( 1422 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1423 +))) 1162 1162 1163 -[[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]] 1425 +((( 1426 +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. 1427 +))) 1164 1164 1429 +((( 1430 + 1431 +))) 1165 1165 1433 +((( 1434 +**IMPORTANT NOTE:** 1435 +))) 1166 1166 1167 -1. Order Info 1437 +((( 1438 +**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: 1439 +))) 1168 1168 1169 -**Part Number: RS485-BL-XXX** 1441 +((( 1442 +—Reorient or relocate the receiving antenna. 1443 +))) 1170 1170 1171 -**XXX:** 1445 +((( 1446 +—Increase the separation between the equipment and receiver. 1447 +))) 1172 1172 1173 -* **EU433**: frequency bands EU433 1174 -* **EU868**: frequency bands EU868 1175 -* **KR920**: frequency bands KR920 1176 -* **CN470**: frequency bands CN470 1177 -* **AS923**: frequency bands AS923 1178 -* **AU915**: frequency bands AU915 1179 -* **US915**: frequency bands US915 1180 -* **IN865**: frequency bands IN865 1181 -* **RU864**: frequency bands RU864 1182 -* **KZ865: **frequency bands KZ865 1449 +((( 1450 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1451 +))) 1183 1183 1184 -1. Packing Info 1453 +((( 1454 +—Consult the dealer or an experienced radio/TV technician for help. 1455 +))) 1185 1185 1186 -**Package Includes**: 1457 +((( 1458 + 1459 +))) 1187 1187 1188 - * RS485-BL x 11189 -* Stick AntennaforLoRaRF partx 11190 - * Program cable x 11461 +((( 1462 +**FCC Radiation Exposure Statement:** 1463 +))) 1191 1191 1192 -**Dimension and weight**: 1465 +((( 1466 +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. 1467 +))) 1193 1193 1194 -* Device Size: 13.5 x 7 x 3 cm 1195 -* Device Weight: 105g 1196 -* Package Size / pcs : 14.5 x 8 x 5 cm 1197 -* Weight / pcs : 170g 1198 1198 1199 -1. Support 1470 += 11. Support = 1200 1200 1201 -* 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. 1202 -* 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 1203 - 1204 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1472 +* ((( 1473 +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. 1474 +))) 1475 +* ((( 1476 +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]]. 1477 +)))
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