Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Mengting Qiu on 2025/07/14 09:59
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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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... ... @@ -1,48 +1,80 @@ 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 33 + 17 17 == 1.1 What is RS485-LN RS485 to LoRaWAN Converter == 18 18 19 19 ((( 20 20 ((( 38 +((( 39 + 40 + 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 ))) 43 +))) 23 23 24 24 ((( 46 +((( 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 ))) 49 +))) 27 27 28 28 ((( 52 +((( 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 ))) 55 +))) 31 31 32 32 ((( 58 +((( 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. 60 +))) 34 34 62 +((( 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]] 64 + 65 + 36 36 ))) 37 37 ))) 68 +))) 38 38 39 -[[image:1653267211009-519.png||height="419" width="724"]] 70 +(% 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 73 + 42 42 == 1.2 Specifications == 43 43 44 44 45 -**Hardware System:** 77 +(% style="color:#037691" %)**Hardware System:** 46 46 47 47 * STM32L072CZT6 MCU 48 48 * SX1276/78 Wireless Chip ... ... @@ -50,13 +50,15 @@ 50 50 ** Idle: 32mA@12v 51 51 ** 20dB Transmit: 65mA@12v 52 52 53 -**Interface for Model:** 54 54 86 +(% style="color:#037691" %)**Interface for Model:** 87 + 55 55 * RS485 56 56 * Power Input 7~~ 24V DC. 57 57 58 -**LoRa Spec:** 59 59 92 +(% style="color:#037691" %)**LoRa Spec:** 93 + 60 60 * Frequency Range: 61 61 ** Band 1 (HF): 862 ~~ 1020 Mhz 62 62 ** Band 2 (LF): 410 ~~ 528 Mhz ... ... @@ -74,14 +74,15 @@ 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 .111 +* Packet engine up to 256 bytes with CRC 78 78 79 79 80 80 81 81 == 1.3 Features == 82 82 117 + 83 83 * LoRaWAN Class A & Class C protocol (default Class C) 84 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 119 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869 85 85 * AT Commands to change parameters 86 86 * Remote configure parameters via LoRa Downlink 87 87 * Firmware upgradable via program port ... ... @@ -93,6 +93,7 @@ 93 93 94 94 == 1.4 Applications == 95 95 131 + 96 96 * Smart Buildings & Home Automation 97 97 * Logistics and Supply Chain Management 98 98 * Smart Metering ... ... @@ -104,17 +104,25 @@ 104 104 105 105 == 1.5 Firmware Change log == 106 106 143 + 107 107 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 108 108 109 109 147 + 110 110 == 1.6 Hardware Change log == 111 111 150 + 112 112 ((( 113 113 ((( 153 +((( 114 114 v1.2: Add External Interrupt Pin. 155 +))) 115 115 157 +((( 116 116 v1.0: Release 159 +))) 117 117 161 + 118 118 119 119 ))) 120 120 ))) ... ... @@ -121,6 +121,7 @@ 121 121 122 122 = 2. Power ON Device = 123 123 168 + 124 124 ((( 125 125 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 126 126 ... ... @@ -131,28 +131,36 @@ 131 131 Once there is power, the RS485-LN will be on. 132 132 ))) 133 133 134 -[[image:1653268091319-405.png]] 179 +(% 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" %) 135 135 181 + 136 136 137 137 ))) 138 138 139 139 = 3. Operation Mode = 140 140 187 + 141 141 == 3.1 How it works? == 142 142 190 + 143 143 ((( 192 +((( 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. 194 +))) 145 145 196 + 146 146 147 147 ))) 148 148 149 149 == 3.2 Example to join LoRaWAN network == 150 150 202 + 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"]] 154 154 206 +(% 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" %) 155 155 208 + 156 156 ((( 157 157 ((( 158 158 The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below: ... ... @@ -160,16 +160,21 @@ 160 160 161 161 ((( 162 162 485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively. 216 + 217 + 163 163 ))) 164 164 165 -[[image:1653268227651-549.png||height="592" width="720"]] 220 +(% 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" %) 166 166 222 + 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: 224 +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: 225 + 226 + 169 169 ))) 170 170 171 171 ((( 172 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 230 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 173 173 ))) 174 174 175 175 ((( ... ... @@ -177,73 +177,95 @@ 177 177 ))) 178 178 ))) 179 179 180 -[[image:1652953462722-299.png]] 238 +(% 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" %) 181 181 240 + 182 182 ((( 183 183 ((( 184 184 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 244 + 245 + 185 185 ))) 186 186 187 187 ((( 188 -Add APP EUI in the application. 249 +**Add APP EUI in the application.** 189 189 ))) 190 190 ))) 191 191 192 -[[image:image-20220519174512-1.png]] 253 +(% 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"]] 255 +(% 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"]] 257 +(% 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]] 259 +(% 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"]] 199 199 261 + 262 +(% title="Click and drag to resize" %) 263 + 200 200 You can also choose to create the device manually. 201 201 202 -[[image:1652953542269-423.png||height="710" width="723"]] 266 +(% 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"]] 207 207 270 +**Add APP KEY and DEV EUI** 208 208 272 +(% 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" %) 273 + 274 + 275 + 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. 277 +(% 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. 278 + 279 + 211 211 ))) 212 212 213 -[[image:1652953568895-172.png||height="232" width="724"]] 282 +(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 214 214 215 215 285 + 216 216 == 3.3 Configure Commands to read data == 217 217 288 + 218 218 ((( 219 219 ((( 220 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 291 +((( 292 +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. 293 + 294 + 221 221 ))) 296 +))) 222 222 223 223 ((( 224 -(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 299 +((( 300 +(% 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** 301 +))) 225 225 303 + 226 226 227 227 ))) 228 228 ))) 229 229 230 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 308 +=== 3.3.1 Configure UART settings for RS485 or TTL communication === 231 231 310 + 232 232 To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 233 233 234 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %) 235 -|(% style="width:128px" %)((( 313 + 314 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 315 +|=(% style="width: 110px;" %)((( 236 236 **AT Commands** 237 -)))|(% style="width: 305px" %)(((317 +)))|=(% style="width: 190px;" %)((( 238 238 **Description** 239 -)))|(% style="width: 346px" %)(((319 +)))|=(% style="width: 190px;" %)((( 240 240 **Example** 241 241 ))) 242 -|(% style="width:1 28px" %)(((322 +|(% style="width:110px" %)((( 243 243 AT+BAUDR 244 -)))|(% style="width: 305px" %)(((324 +)))|(% style="width:190px" %)((( 245 245 Set the baud rate (for RS485 connection). Default Value is: 9600. 246 -)))|(% style="width: 346px" %)(((326 +)))|(% style="width:190px" %)((( 247 247 ((( 248 248 AT+BAUDR=9600 249 249 ))) ... ... @@ -252,11 +252,11 @@ 252 252 Options: (1200,2400,4800,14400,19200,115200) 253 253 ))) 254 254 ))) 255 -|(% style="width:1 28px" %)(((335 +|(% style="width:110px" %)((( 256 256 AT+PARITY 257 -)))|(% style="width: 305px" %)(((337 +)))|(% style="width:190px" %)((( 258 258 Set UART parity (for RS485 connection) 259 -)))|(% style="width: 346px" %)(((339 +)))|(% style="width:190px" %)((( 260 260 ((( 261 261 AT+PARITY=0 262 262 ))) ... ... @@ -265,9 +265,9 @@ 265 265 Option: 0: no parity, 1: odd parity, 2: even parity 266 266 ))) 267 267 ))) 268 -|(% style="width:1 28px" %)(((348 +|(% style="width:110px" %)((( 269 269 AT+STOPBIT 270 -)))|(% style="width: 305px" %)(((350 +)))|(% style="width:190px" %)((( 271 271 ((( 272 272 Set serial stopbit (for RS485 connection) 273 273 ))) ... ... @@ -275,7 +275,7 @@ 275 275 ((( 276 276 277 277 ))) 278 -)))|(% style="width: 346px" %)(((358 +)))|(% style="width:190px" %)((( 279 279 ((( 280 280 AT+STOPBIT=0 for 1bit 281 281 ))) ... ... @@ -292,904 +292,1356 @@ 292 292 293 293 === 3.3.2 Configure sensors === 294 294 375 + 295 295 ((( 296 296 ((( 297 -Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling. 378 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling. 379 + 380 + 298 298 ))) 299 299 ))) 300 300 301 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 302 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 303 -|AT+CFGDEV|(% style="width:418px" %)((( 384 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 385 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 386 +|AT+CFGDEV|(% style="width:110px" %)((( 387 +((( 304 304 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 389 +))) 305 305 391 +((( 306 306 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 393 +))) 307 307 395 +((( 308 308 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 309 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 397 +))) 398 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 310 310 400 + 311 311 === 3.3.3 Configure read commands for each sampling === 312 312 403 + 313 313 ((( 314 -RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink. 405 +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. 406 + 407 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 408 + 409 +This section describes how to achieve above goals. 410 + 411 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 412 + 413 + 414 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 415 + 416 + 417 +~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. 418 + 419 +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. 420 + 421 +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 422 + 423 + 424 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 425 + 426 +Below are examples for the how above AT Commands works. 427 + 428 + 429 +(% 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: 430 + 431 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 432 +|(% style="width:496px" %)((( 433 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 434 + 435 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 436 + 437 +**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 315 315 ))) 316 316 317 -((( 318 -During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload. 440 +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. 441 + 442 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 443 + 444 + 445 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes. 446 + 447 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 448 +|(% style="width:510px" %)((( 449 +**AT+DATACUTx=a,b,c** 450 + 451 +* **a: length for the return of AT+COMMAND** 452 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.** 453 +* **c: define the position for valid value. ** 319 319 ))) 320 320 456 +**Examples:** 457 + 458 + 459 +* (% style="color:#037691" %)**Grab bytes** 460 + 461 +(% 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" %) 462 + 463 + 464 + 465 +* (% style="color:#037691" %)**Grab a section** 466 + 467 +(% 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" %) 468 + 469 + 470 + 471 +* (% style="color:#037691" %)**Grab different sections** 472 + 473 +(% 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" %) 474 + 475 + 476 + 477 +))) 478 + 479 +=== 3.3.4 Compose the uplink payload === 480 + 481 + 321 321 ((( 322 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 483 +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.** 484 + 485 + 323 323 ))) 324 324 325 325 ((( 326 -This section describes how to achieve above goals. 489 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 490 + 491 + 327 327 ))) 328 328 329 329 ((( 330 - During each sampling,theRS485-BL can support 15 commandstoreadsensors. And combinethe returntooneorseveraluplinkpayloads.495 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**. 331 331 ))) 332 332 333 333 ((( 334 -** Commandfrom RS485-BLtoSensor:**499 +Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx** 335 335 ))) 336 336 337 337 ((( 338 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 503 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 504 + 505 + 339 339 ))) 340 340 508 +(% 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" %) 509 + 510 + 511 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 512 + 513 + 514 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 515 + 516 +Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 517 + 518 + 519 +1. PAYVER: Defined by AT+PAYVER 520 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 521 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 522 +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 523 + 524 +(% 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" %) 525 + 526 + 527 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 528 + 529 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 530 + 531 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 532 + 533 +DATA3=the rest of Valid value of RETURN10= **30** 534 + 535 + 536 +(% 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:** 537 + 538 + 539 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 540 + 541 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 542 + 543 + * For US915 band, max 11 bytes for each uplink. 544 + 545 + ~* For all other bands: max 51 bytes for each uplink. 546 + 547 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;** 548 + 549 +(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)** 550 + 551 + 552 +(% style="color:#4f81bd" %)**If the data is empty, return to the display(Since v1.4.0)** 553 + 554 +1 ) When (% style="color:blue" %)**AT+MOD=1**(%%), if the data intercepted by** AT+DATACUT** or **AT+MBFUN** is empty, it will display **NULL**, and the payload will be filled with **n FFs**. 555 + 556 + 557 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]] 558 + 559 + 560 + 561 +2 ) When (% style="color:blue" %)**AT+MOD=2**(%%), if the data intercepted by **AT+DATACUT** or **AT+MBFUN** is empty, it will display **NULL**, and the payload will be filled with **n 00s**. 562 + 563 + 564 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]] 565 + 566 + 567 + 568 +Below are the uplink payloads: 569 + 570 + 571 +(% 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" %) 572 + 573 + 574 + 575 +=== 3.3.5 Uplink on demand === 576 + 577 + 578 +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. 579 + 580 +(% style="color:blue" %)**Downlink control command:** 581 + 582 +(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN. 583 + 584 +(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors. 585 + 586 + 587 + 588 +=== 3.3.6 Uplink on Interrupt === 589 + 590 + 591 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 592 + 593 + 594 +(% 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" %) 595 + 596 +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. 597 + 598 + 599 + 600 +== 3.4 Uplink Payload == 601 + 602 + 603 +(% 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"]] 604 + 605 +(% title="Click and drag to resize" %) 606 + 607 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 608 + 609 + 610 + 611 +== 3.5 Configure RS485-LN via AT or Downlink == 612 + 613 + 341 341 ((( 342 - **Handleeturnfrom sensorstoRS485-BL**:615 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 343 343 ))) 344 344 345 345 ((( 346 - AfterRS485-BL sendoutastring to sensor,RS485-BL will waitforthe returnfrom RS485 or TTL sensor. Andusercan specifyhow to handle the return, by **AT+DATACUTor AT+SEARCH commands**619 +There are two kinds of Commands: 347 347 ))) 348 348 349 349 * ((( 350 -**AT +DATACUT**623 +(% 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]] 351 351 ))) 352 352 626 +* ((( 627 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 628 +))) 629 + 353 353 ((( 354 - Whenthe return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.631 + 355 355 ))) 356 356 634 + 635 + 636 +=== 3.5.1 Common Commands === 637 + 638 + 639 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 640 + 641 + 642 + 643 +=== 3.5.2 Downlink Response(Since firmware v1.4) === 644 + 645 + 646 +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. 647 + 648 + 649 +(% 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"]] 650 + 651 +(% title="Click and drag to resize" %) 652 + 653 +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) 654 + 655 + 656 + 657 +=== 3.5.3 Sensor related commands === 658 + 659 + 660 + 661 + 662 +==== (% style="color:blue" %)**RS485 Debug Command**(%%) ==== 663 + 664 + 665 +((( 666 +This command is used to configure the RS485 devices; they won't be used during sampling. 667 +))) 668 + 669 +((( 670 +* (% style="color:#037691" %)**AT Command** 671 + 672 +((( 673 +(% style="color:#4472c4" %)** 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 674 +))) 675 +))) 676 + 677 +((( 678 + 679 +))) 680 + 357 357 * ((( 358 -** AT+SEARCH**682 +(% style="color:#037691" %)**Downlink Payload** 359 359 ))) 360 360 361 361 ((( 362 - When the return value from sensoris dynamic lengthand we are notsurewhich byteshe valid data is, instead, we know what value the valid value following. WecanuseAT+SEARCHtosearchthevalidvalueinthe return string.686 +Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY** 363 363 ))) 364 364 365 365 ((( 366 - **Definewait timeout:**690 +Where: 367 367 ))) 368 368 693 +* ((( 694 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 695 +))) 696 +* ((( 697 +NN: The length of RS485 command 698 +))) 699 +* ((( 700 +XX XX XX XX: RS485 command total NN bytes 701 +))) 702 +* ((( 369 369 ((( 370 - SomeRS485 devicemight has longer delayon reply,sousercanuse AT+CMDDL tosetthetimeout forgettingreply aftertheRS485 commandis sent. For example,AT+CMDDL1=1000 to send the open time to 1000ms704 +YY: How many bytes will be uplink from the return of this RS485 command, 371 371 ))) 372 372 707 +* ((( 708 +if YY=0, RS485-LN will execute the downlink command without uplink; 709 +))) 710 +* ((( 711 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 712 +))) 713 +* ((( 714 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 715 +))) 716 +))) 717 + 373 373 ((( 374 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 719 + 720 + 721 +(% style="color:blue" %)**Example 1:** (%%) ~-~-> Configure without ask for uplink (YY=0) 375 375 ))) 376 376 377 -**Examples:** 724 +((( 725 +To connect a Modbus Alarm with below commands. 726 +))) 378 378 379 -Below are examples for the how above AT Commands works. 728 +* ((( 729 +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. 730 +))) 380 380 381 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 732 +* ((( 733 +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. 734 +))) 382 382 383 -(% border="1" class="table-bordered" %) 384 -|((( 385 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 736 +((( 737 + 386 386 387 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 739 +So if user want to use downlink command to control to RS485 Alarm, he can use: 740 +))) 388 388 389 -**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 742 +((( 743 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 390 390 ))) 391 391 392 392 ((( 393 - Forexample, if we have a RS485 sensor. Thecommand toget sensorvalue is: 01 030BB800 02460A. Where01030BB80002 isthe Modbuscommandto readthe register 0B B8 where stored the sensorvalue.The 46 0A istheCRC-16/MODBUSwhich calculatemanually.747 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 394 394 ))) 395 395 396 396 ((( 397 - Inthe RS485-BL,weshoulduse this commandAT+COMMAND1=01030BB80002,1for thesame.751 +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. 398 398 ))) 399 399 400 400 ((( 401 - **AT+SEARCHx**:This command defines how to handle the return from AT+COMMANDx.755 + 402 402 ))) 403 403 404 -( % border="1" class="table-bordered" %)405 - |(((406 - **AT+SEARCHx=aa,xx xx xx xx xx**758 +((( 759 +(% style="color:blue" %)**Example 2:** (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 760 +))) 407 407 408 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 409 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 762 +((( 763 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 764 +))) 410 410 766 +((( 411 411 412 412 ))) 413 413 414 -**Examples:** 770 +((( 771 +((( 772 +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** 773 +))) 415 415 416 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 775 + 776 +))) 417 417 418 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 778 +((( 779 + (% 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" %) 780 +))) 419 419 420 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49** 421 421 422 -[[image:1653269403619-508.png]] 423 423 424 -2. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 425 425 426 - IfwesetAT+SEARCH1=2,1E5634+31 00 49785 +==== (% style="color:blue" %)**Set Payload version**(%%) ==== 427 427 428 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30** 429 429 430 -[[image:1653269438444-278.png]] 788 +((( 789 +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. 790 +))) 431 431 432 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 792 +((( 793 +* (% style="color:#037691" %)**AT Command:** 433 433 434 -|((( 435 -**AT+DATACUTx=a,b,c** 795 +(% style="color:#4472c4" %)** AT+PAYVER: ** (%%) Set PAYVER field = 1 436 436 437 -* **a: length for the return of AT+COMMAND** 438 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.** 439 -* **c: define the position for valid value. ** 797 + 440 440 ))) 441 441 442 -Examples: 800 +* ((( 801 +(% style="color:#037691" %)**Downlink Payload:** 802 +))) 443 443 444 -* Grab bytes: 804 +((( 805 +(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~-> Set PAYVER field = 0x01 806 +))) 445 445 446 -[[image:1653269551753-223.png||height="311" width="717"]] 808 +((( 809 +(% style="color:#4472c4" %)** 0xAE 0F** (%%) ~-~-> Set PAYVER field = 0x0F 810 +))) 447 447 448 -* Grab a section. 449 449 450 - [[image:1653269568276-930.png||height="325"width="718"]]813 +1 ) Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0) 451 451 452 - * Grab different sections.815 +[[image:image-20220824145428-2.png||height="168" width="1300"]] 453 453 454 -[[image:1653269593172-426.png||height="303" width="725"]] 455 455 456 - (%style="color:red"%)**Note:**818 +2 ) if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs. 457 457 458 -AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0. 459 459 460 - Example:821 +[[image:image-20220824145428-3.png||height="308" width="1200"]] 461 461 462 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 463 463 464 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34 465 465 466 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5 467 467 468 -(% style="color: red" %)ReturnstringfromAT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49826 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 469 469 470 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 471 471 472 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 829 +((( 830 +AT+COMMANDx or AT+DATACUTx 831 +))) 473 473 474 -[[image:1653269618463-608.png]] 833 +((( 834 +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"]]. 835 +))) 475 475 476 -=== 3.3.4 Compose the uplink payload === 837 +((( 838 + 839 +))) 477 477 841 +* ((( 842 +(% style="color:#037691" %)**AT Command:** 843 +))) 844 + 845 +(% style="color:#4472c4" %)** AT+COMMANDx: ** (%%) Configure RS485 read command to sensor. 846 + 847 +(% style="color:#4472c4" %)** AT+DATACUTx: **(%%) Configure how to handle return from RS485 devices. 848 + 849 + 850 +* ((( 851 +(% style="color:#037691" %)**Downlink Payload:** 852 +))) 853 + 478 478 ((( 479 -Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 855 +(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 856 + 857 + 480 480 ))) 481 481 482 482 ((( 483 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 861 +(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 862 + 863 + 484 484 ))) 485 485 486 486 ((( 487 - Compose the uplink payload withvalue returns in sequence and send with(% style="color:red" %)**ASIGNLEUPLINK**.867 +Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY** 488 488 ))) 489 489 490 490 ((( 491 - Final Payload is871 +Where: 492 492 ))) 493 493 874 +* ((( 875 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 876 +))) 877 +* ((( 878 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 879 +))) 880 +* ((( 881 +LL: The length of AT+COMMAND or AT+DATACUT command 882 +))) 883 +* ((( 884 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 885 +))) 886 +* ((( 887 +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. 888 +))) 889 + 494 494 ((( 495 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx** 891 + 892 + 893 +**Example:** 496 496 ))) 497 497 498 498 ((( 499 - WherePAYVERisdefinedbyAT+PAYVER,belowisanexample screenshot.897 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 500 500 ))) 501 501 502 -[[image:1653269759169-150.png||height="513" width="716"]] 900 +((( 901 +(% 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** 902 +))) 503 503 504 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 904 +((( 905 +(% 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** 906 +))) 505 505 506 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 507 507 508 -Final Payload is 509 509 510 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 511 511 512 -1. Battery Info (2 bytes): Battery voltage 513 -1. PAYVER (1 byte): Defined by AT+PAYVER 514 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 515 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 516 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 911 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ==== 517 517 518 -[[image:1653269916228-732.png||height="433" width="711"]] 519 519 914 +((( 915 +(% style="color:#4472c4" %)** 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]]. 916 +))) 520 520 521 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 918 +((( 919 +This command is valid since v1.3 firmware version 920 +))) 522 522 523 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41 922 +((( 923 +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. 924 +))) 524 524 525 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20 926 +((( 927 + 928 +))) 526 526 527 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30 930 +((( 931 +**Example:** 932 +))) 528 528 529 -Below are the uplink payloads: 934 +* ((( 935 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 936 +))) 937 +* ((( 938 +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. 939 +))) 940 +* ((( 941 +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. 530 530 531 -[[image:1653270130359-810.png]] 943 + 944 +))) 532 532 946 +(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %) 533 533 534 -(% style="color:red"%)**Notice:theMaxbytesis accordingto the max support bytesinfferentFrequencyBandsforlowest SF. As below:**948 +(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %) 535 535 536 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) 537 537 538 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date). 539 539 540 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date). 541 541 542 - ~* For allotherbands:max 51bytesforeach uplink ( so51 -5 = 46max validdate).953 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ==== 543 543 544 -=== 3.3.5 Uplink on demand === 545 545 546 -Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command. 956 +((( 957 +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. 958 +))) 547 547 548 -Downlink control command: 960 +((( 961 +Default value: 0, range: 0 ~~ 65 seconds 962 +))) 549 549 550 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL. 964 +((( 965 +* (% style="color:#037691" %)** AT Command:** 551 551 552 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors. 967 +(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000** 968 +))) 553 553 970 +((( 971 + 554 554 973 +**Example:** 974 +))) 555 555 556 - 1.557 -11 .558 - 111. Uplink on Interrupt976 +((( 977 +(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms 978 +))) 559 559 560 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] 980 +((( 981 + 982 +))) 561 561 562 -AT+INTMOD=0 Disable Interrupt 984 +* ((( 985 +(% style="color:#037691" %)** Downlink Payload:** 986 +))) 563 563 564 -AT+INTMOD=1 Interrupt trigger by rising or falling edge. 988 +((( 989 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000 990 +))) 565 565 566 -AT+INTMOD=2 Interrupt trigger by falling edge. ( Default Value) 992 +((( 993 + 567 567 568 -AT+INTMOD=3 Interrupt trigger by rising edge. 995 +**Example:** 996 +))) 569 569 998 +((( 999 +**0xAA 01 00 01** ~-~-> Same as **AT+CMDDL1=1000 ms** 1000 +))) 570 570 571 -1. 572 -11. Uplink Payload 573 573 574 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 575 -|Value|((( 576 -Battery(mV) 577 577 578 -& 579 579 580 -Interrupt _Flag 581 -)))|((( 582 -PAYLOAD_VER 1005 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 583 583 1007 + 1008 +((( 1009 +Define to use one uplink or multiple uplinks for the sampling. 1010 +))) 1011 + 1012 +((( 1013 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 1014 + 584 584 585 -))) |If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.1016 +))) 586 586 587 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 1018 +((( 1019 +* (% style="color:#037691" %)** AT Command:** 588 588 1021 +(% style="color:#4472c4" %)** AT+DATAUP=0** 589 589 590 - functionDecoder(bytes, port){1023 +(% style="color:#4472c4" %)** AT+DATAUP=1** 591 591 592 -~/~/Payload Formats of RS485-BL Deceive 1025 + 1026 +))) 593 593 594 - return{1028 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1,20000 ~/~/ (00 00 14 is 20 seconds) 595 595 596 - ~/~/Battery,units:V1030 +Each uplink is sent to the server at 20-second intervals when segmented. 597 597 598 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 599 599 600 - ~/~/GPIO_EXTI 1033 +* ((( 1034 +(% style="color:#037691" %)** Downlink Payload:** 1035 +))) 601 601 602 - EXTI_Trigger:(bytes[0]&0x80)?"TRUE":"FALSE",1037 +(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0 603 603 604 - ~/~/ payloadofversion1039 +(% style="color:#4472c4" %)** 0xAD 01** (%%) **~-~->** Same as AT+DATAUP=1 ~/~/Each uplink is sent to the server one after the other as it is segmented. 605 605 606 - Pay_ver:bytes[2], 607 607 608 - }; 1042 +* ((( 1043 +(% style="color:#037691" %)** AT Command:** 1044 +))) 609 609 610 - }1046 +(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout** 611 611 612 612 1049 +* ((( 1050 +(% style="color:#037691" %)** Downlink Payload:** 1051 +))) 613 613 1053 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1,20000 ~/~/ (00 00 14 is 20 seconds) 614 614 1055 +Each uplink is sent to the server at 20-second intervals when segmented. 615 615 616 616 617 617 618 -TTN V3 uplink screen shot. 619 619 620 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1060 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 621 621 622 -1. 623 -11. Configure RS485-BL via AT or Downlink 624 624 625 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 1063 +((( 1064 +Ask device to send an uplink immediately. 1065 +))) 626 626 627 -There are two kinds of Commands: 1067 +* ((( 1068 +(% style="color:#037691" %)** AT Command:** 1069 +))) 628 628 629 -* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands 1071 +((( 1072 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 1073 +))) 630 630 631 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 1075 +((( 1076 + 1077 +))) 632 632 633 - 1.634 -1 1.635 - 111. Common Commands:1079 +* ((( 1080 +(% style="color:#037691" %)** Downlink Payload:** 1081 +))) 636 636 637 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]] 1083 +((( 1084 +(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink. 1085 +))) 638 638 639 639 640 -1. 641 -11. 642 -111. Sensor related commands: 643 643 644 -==== Choose Device Type (RS485 or TTL) ==== 645 645 646 - RS485-BLcanconnecttoeither RS485sensors or TTL sensor. User need to specify what type of sensor needto connect.1090 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ==== 647 647 648 -* AT Command 649 649 650 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 1093 +((( 1094 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 651 651 652 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 1096 + 1097 +))) 653 653 1099 +* ((( 1100 +(% style="color:#037691" %)** AT Command:** 1101 +))) 654 654 655 -* Downlink Payload 1103 +((( 1104 +(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase 1105 +))) 656 656 657 -**0A aa** à same as AT+MOD=aa 1107 +((( 1108 + 658 658 1110 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1111 +))) 659 659 1113 +((( 1114 +Example screen shot after clear all RS485 commands. 1115 +))) 660 660 661 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ==== 1117 +((( 1118 + 1119 +))) 662 662 663 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 1121 +((( 1122 +The uplink screen shot is: 1123 +))) 664 664 665 - *ATCommand1125 +(% 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" %) 666 666 667 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 668 668 669 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 1128 +* ((( 1129 +(% style="color:#037691" %)** Downlink Payload:** 1130 +))) 670 670 1132 +((( 1133 +(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb 1134 +))) 671 671 672 672 673 -* Downlink Payload 674 674 675 -Format: A8 MM NN XX XX XX XX YY 676 676 677 - Where:1139 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ==== 678 678 679 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 680 -* NN: The length of RS485 command 681 -* XX XX XX XX: RS485 command total NN bytes 682 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 683 683 684 -**Example 1:** 1142 +((( 1143 +Set the Rs485 serial communication parameters: 685 685 686 -To connect a Modbus Alarm with below commands. 1145 + 1146 +))) 687 687 688 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 1148 +* ((( 1149 +(% style="color:#037691" %)** AT Command:** 689 689 690 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 691 691 692 -So if user want to use downlink command to control to RS485 Alarm, he can use: 1152 + 1153 +))) 693 693 694 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 1155 +((( 1156 +* Set Baud Rate 1157 +))) 695 695 696 -** A801060A0500040000**:to deactivate theRS485 Alarm1159 +(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/ Options: (200~~115200) When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost 697 697 698 -A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output. 699 699 1162 +((( 1163 +* Set UART Parity 1164 +))) 700 700 701 -** Example2:**1166 +(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 702 702 703 -Check TTL Sensor return: 704 704 705 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 1169 +((( 1170 +* Set STOPBIT 1171 +))) 706 706 1173 +(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 707 707 708 708 709 709 710 -==== Set Payload version ==== 1177 +* ((( 1178 +(% style="color:#037691" %)** Downlink Payload:** 1179 +))) 711 711 712 -This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 1181 +((( 1182 +(% style="color:#4472c4" %)** A7 01 aa bb**: (%%) Same AT+BAUDR=hex(aa bb)*100 1183 +))) 713 713 714 -* AT Command: 1185 +((( 1186 + 715 715 716 -AT+PAYVER: Set PAYVER field = 1 1188 +**Example:** 1189 +))) 717 717 1191 +* ((( 1192 +A7 01 00 60 same as AT+BAUDR=9600 1193 +))) 1194 +* ((( 1195 +A7 01 04 80 same as AT+BAUDR=115200 1196 +))) 718 718 719 -* Downlink Payload: 1198 +((( 1199 +* A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1200 +))) 720 720 721 -0xAE 01 à Set PAYVER field = 0x01 1202 +((( 1203 +* A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1204 +))) 722 722 723 -0xAE 0F à Set PAYVER field = 0x0F 724 724 725 725 726 -==== Set RS485 Sampling Commands ==== 727 727 728 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 729 729 730 - Thesethreecommands areusedto configure howtheRS485-BLpolling data from Modbus device. Detailf usage please see : [[polling RS485device>>path:#polling_485]].1210 +==== (% style="color:blue" %)**Encrypted payload**(%%) ==== 731 731 1212 +((( 1213 + 1214 +))) 732 732 733 -* AT Command: 1216 +* ((( 1217 +(% style="color:#037691" %)** AT Command:** 1218 +))) 734 734 735 -AT+ COMMANDx:ConfigureRS485readcommand tosensor.1220 +(% style="color:#4472c4" %)** AT+DECRYPT=1 ** (%%) ~/~/ The payload is uploaded without encryption 736 736 737 -AT+D ATACUTx:ConfigurehowtohandlereturnfromRS485devices.1222 +(% style="color:#4472c4" %)** AT+DECRYPT=0 ** (%%) ~/~/ Encrypt when uploading payload (default) 738 738 739 -AT+SEARCHx: Configure search command 740 740 741 741 742 -* Downlink Payload: 743 743 744 - 0xAFdownlinkcommand canbeusedtoset AT+COMMANDxorAT+DATACUTx.1227 +==== (% style="color:blue" %)**Get sensor value**(%%) ==== 745 745 746 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 747 747 748 -Format: AF MM NN LL XX XX XX XX YY 1230 +* ((( 1231 +(% style="color:#037691" %)** AT Command:** 1232 +))) 749 749 750 - Where:1234 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0 **(%%) ~/~/ The serial port gets the reading of the current sensor 751 751 752 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 753 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 754 -* LL: The length of AT+COMMAND or AT+DATACUT command 755 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 756 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 1236 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1 **(%%) ~/~/ The serial port gets the current sensor reading and uploads it. 757 757 758 -Example: 759 759 760 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 761 761 762 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 763 763 764 - **AF030206 0B 02 05 07 08 0A 00**:Same asAT+DATACUT3=**11**,**2**,**5~~7+8~~10**1241 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ==== 765 765 766 766 767 -0xAB downlink command can be used for set AT+SEARCHx 1244 +* ((( 1245 +(% style="color:#037691" %)** AT Command:** 1246 +))) 768 768 769 - Example: **ABaa0103xxxxxx**(03heremeansthere areal3bytesafter03)So1248 +(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0 **(%%) ~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default) 770 770 771 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 772 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands 1250 +(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1 **(%%) ~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count. 773 773 774 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 775 775 776 776 777 -==== Fast command to handle MODBUS device ==== 778 778 779 - AT+MBFUNisvalidsincev1.3 firmwareversion.Thecommandis for fastconfigureto read Modbusdevices. It is only valid forthedevices which follow the[[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].1255 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ==== 780 780 781 -This command is valid since v1.3 firmware version 782 782 1258 +* ((( 1259 +(% style="color:#037691" %)** AT Command:** 1260 +))) 783 783 784 -AT+M BFUN has onlytwovalue:1262 + (% style="color:#4472c4" %)** AT+DISMACANS=0** (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default) 785 785 786 -* AT+M BFUN=1:Enable Modbusreading.Andget responsebase on the MODBUS return1264 + (% style="color:#4472c4" %)** AT+DISMACANS=1** (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part. 787 787 788 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 789 789 790 -* AT+MBFUN=0: Disable Modbus fast reading. 1267 +* ((( 1268 +(% style="color:#037691" %)** Downlink Payload:** 1269 +))) 791 791 792 - Example:1271 +(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set the DISMACANS=1 793 793 794 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 795 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 796 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 797 797 798 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 799 799 800 800 801 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]1276 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ==== 802 802 803 803 804 -* Downlink Commands: 1279 +* ((( 1280 +(% style="color:#037691" %)** AT Command:** 1281 +))) 805 805 806 -A 9aa-àSame asAT+MBFUN=aa1283 +(% style="color:#4472c4" %)** AT+RPL=5** (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100. 807 807 808 808 809 - ====RS485commandtimeout====1286 +Example:**aa xx xx xx xx** ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent. 810 810 811 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action. 812 812 813 - Defaultvalue:0,range:0~~5conds1289 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]] 814 814 815 815 816 -* AT Command: 817 817 818 - AT+CMDDLaa=hex(bbcc)1293 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77. 819 819 820 -Example: 821 821 822 - **AT+CMDDL1=1000** toopentimeto 1000ms1296 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]] 823 823 824 824 825 - * DownlinkPayload:1299 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned. 826 826 827 -0x AA aa bb cc 828 828 829 -Same as: AT+CMDDLaa=hex(bb cc) 830 830 831 - Example: 832 832 833 - 0xAA0103E8 à Same as**AT+CMDDL1=1000 ms**1304 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ==== 834 834 835 835 836 -==== [[Uplink>>path:#downlink_A8]] payload mode ==== 1307 +((( 1308 +* (% style="color:#037691" %)**Downlink Payload:** 837 837 838 -Define to use one uplink or multiple uplinks for the sampling. 1310 +(% style="color:#4472c4" %)** 26 01 ** (%%) ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time. 1311 +))) 839 839 840 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 841 841 842 - * AT Command:1314 +Example: 843 843 844 -AT+DATAUP=0 845 845 846 -A T+DATAUP=11317 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]] 847 847 848 848 849 -* Downlink Payload: 850 850 851 -0xAD 00 à Same as AT+DATAUP=0 852 852 853 - 0xAD01àSameasAT+DATAUP=11322 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ==== 854 854 855 855 856 -==== Manually trigger an Uplink ==== 1325 +* ((( 1326 +(% style="color:#037691" %)** AT Command:** 1327 +))) 857 857 858 - Askdevice to sendanuplink immediately.1329 +(% style="color:#4472c4" %)**AT+RXMODE=1,10** (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data. 859 859 860 - *DownlinkPayload:1331 +(% style="color:#4472c4" %)**AT+RXMODE=2,500 ** (%%) ~/~/ RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that. 861 861 862 -0 x08FF,RS485-BLwillimmediatelysendnuplink.1333 +(% style="color:#4472c4" %)**AT+RXMODE=0,0 ** (%%) ~/~/ Disable this mode (default) 863 863 864 864 865 -==== Clear RS485 Command ==== 1336 +* ((( 1337 +(% style="color:#037691" %)**Downlink Payload:** 1338 +))) 866 866 867 - TheAT+COMMANDx and AT+DATACUTxsettings arestored in speciallocation,usercanusebelowcommandtoclearthem.1340 +(% style="color:#4472c4" %)** A6 aa bb bb ** (%%) ~/~/same as AT+RXMODE=aa,bb 868 868 1342 +[[image:image-20220824144240-1.png]] 869 869 870 -* AT Command: 871 871 872 -**AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 873 873 874 - Etc. AT+CMDEAR=1,10meanseraseAT+COMMAND1/AT+DATACUT1toAT+COMMAND10/AT+DATACUT101346 +== 3.6 Listening mode for RS485 network == 875 875 876 -Example screen shot after clear all RS485 commands. 877 877 1349 +((( 1350 +This feature support since firmware v1.4 1351 +))) 878 878 1353 +((( 1354 +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. 879 879 880 -The uplink screen shot is: 1356 + 1357 +))) 881 881 882 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1359 +(% 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"]] 883 883 1361 +(% title="Click and drag to resize" %) 884 884 885 -* Downlink Payload: 1363 +((( 1364 +To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**. 1365 +))) 886 886 887 -0x09 aa bb same as AT+CMDEAR=aa,bb 1367 +((( 1368 + 1369 +))) 888 888 1371 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1372 +|=(% style="width: 100px;" %)((( 1373 +**Command example** 1374 +)))|=(% style="width: 400px;" %)((( 1375 +**Function** 1376 +))) 1377 +|(% style="width:100px" %)((( 1378 +AT+RXMODE=1,10 1379 +)))|(% style="width:400px" %)((( 1380 +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. 1381 +))) 1382 +|(% style="width:100px" %)((( 1383 +AT+RXMODE=2,500 1384 +)))|(% style="width:400px" %)((( 1385 +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 1386 +))) 1387 +|(% style="width:100px" %)((( 1388 +AT+RXMODE=0,0 1389 +)))|(% style="width:400px" %)((( 1390 +Disable listening mode. This is the default settings. 1391 +))) 1392 +|(% style="width:100px" %)((( 1393 + 1394 +)))|(% style="width:400px" %)((( 1395 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1396 +))) 889 889 890 -==== Set Serial Communication Parameters ==== 1398 +((( 1399 + 891 891 892 -Set the Rs485 serial communication parameters: 1401 +(% style="color:#037691" %)**Downlink Command:** 1402 +))) 893 893 894 -* AT Command: 1404 +((( 1405 +(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc) 1406 +))) 895 895 896 -Set Baud Rate: 1408 +((( 1409 + 1410 +))) 897 897 898 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1412 +((( 1413 +**Example**: 1414 +))) 899 899 1416 +((( 1417 +The RS485-LN is set to AT+RXMODE=2,1000 1418 +))) 900 900 901 -Set UART parity 1420 +((( 1421 +There is a two Modbus commands in the RS485 network as below: 1422 +))) 902 902 903 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1424 +((( 1425 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1426 +))) 904 904 1428 +((( 1429 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1430 +))) 905 905 906 -Set STOPBIT 1432 +((( 1433 +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 1434 +))) 907 907 908 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1436 +((( 1437 +(% 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" %) 1438 +))) 909 909 1440 +((( 1441 + 1442 +))) 910 910 911 -* Downlink Payload: 1444 +((( 1445 +((( 1446 +(% 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.** 1447 +))) 1448 +))) 912 912 913 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 914 914 915 -Example: 916 916 917 -* A7 01 00 60 same as AT+BAUDR=9600 918 -* A7 01 04 80 same as AT+BAUDR=115200 1452 +== 3.7 Buttons == 919 919 920 -A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 921 921 922 -A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1455 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1456 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1457 +|(% 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** 1458 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1459 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 923 923 924 924 925 -==== Control output power duration ==== 926 926 927 - Usercansetthe output power duration before each sampling.1463 +== 3.8 LEDs == 928 928 929 -* AT Command: 930 930 931 -Example: 1466 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1467 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1468 +|**PWR**|Always on if there is power 1469 +|**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. 932 932 933 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 934 934 935 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling. 936 936 1473 += 4. Case Study = 937 937 938 -* LoRaWAN Downlink Command: 939 939 940 - 0701aabbSame as AT+5VT=(aa bb)1476 +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]] 941 941 942 -07 02 aa bb Same as AT+3V3T=(aa bb) 943 943 944 944 1480 += 5. Use AT Command = 945 945 946 946 947 -1. 948 -11. Buttons 1483 +== 5.1 Access AT Command == 949 949 950 -|**Button**|**Feature** 951 -|**RST**|Reboot RS485-BL 952 952 953 - 1.954 - 11.+3V3Output1486 +((( 1487 +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. 955 955 956 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1489 + 1490 +))) 957 957 958 - The+3V3 outputwillbevalidforverysampling.RS485-BLwillenable+3V3outputforelsampling and disable the+3V3 aftersampling.1492 +(% 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" %) 959 959 960 960 961 -The +3V3 output time can be controlled by AT Command. 962 962 963 -**AT+3V3T=1000** 1496 +((( 1497 +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: 964 964 965 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1499 + 1500 +))) 966 966 1502 +(% 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" %) 967 967 968 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 969 969 1505 +((( 1506 +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/]] 1507 +))) 970 970 971 -1. 972 -11. +5V Output 973 973 974 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 975 975 976 - The+5Voutput will be valid for every sampling.RS485-BLwill enable +5Voutput before all samplinganddisablethe+5v afterall sampling.1511 +== 5.2 Common AT Command Sequence == 977 977 978 978 979 - The5Voutput timecanbe controlledbyATCommand.1514 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 980 980 981 -**AT+5VT=1000** 982 982 983 - Meansset 5Vvalid timetohave 1000ms.So,thereal 5Voutput will actually have1000ms + sampling timeforother sensors.1517 +If device has not joined network yet: 984 984 1519 +* (% style="color:#037691" %)**AT+FDR** 1520 +* (% style="color:#037691" %)**AT+NJM=0** 1521 +* (% style="color:#037691" %)**ATZ** 985 985 986 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 1523 +((( 1524 + 987 987 1526 +If device already joined network: 988 988 1528 +* (% style="color:#037691" %)**AT+NJM=0** 1529 +* (% style="color:#037691" %)**ATZ** 989 989 1531 + 1532 +))) 990 990 991 -1. 992 -11. LEDs 993 993 994 -|**LEDs**|**Feature** 995 -|**LED1**|Blink when device transmit a packet. 996 996 997 -1. 998 -11. Switch Jumper 1536 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 999 999 1000 -|**Switch Jumper**|**Feature** 1001 -|**SW1**|((( 1002 -ISP position: Upgrade firmware via UART 1003 1003 1004 -Flash position: Configure device, check running status. 1005 -))) 1006 -|**SW2**|((( 1007 -5V position: set to compatible with 5v I/O. 1539 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1008 1008 1009 -3.3v position: set to compatible with 3.3v I/O., 1010 -))) 1541 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode 1011 1011 1012 - +3.3V: isalwaysON1543 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off 1013 1013 1014 - +5V:Only open before everysampling. Thetime is bydefault,it isAT+5VT=0.Maxopentime.5000 ms.1545 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) Set Data Rate 1015 1015 1016 - 1.CaseStudy1547 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1017 1017 1018 - User canheckthisURLforsomecase studies.1549 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1019 1019 1020 - [[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]1551 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1021 1021 1553 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1022 1022 1555 +(% 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. 1023 1023 1557 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1024 1024 1025 -1. Use AT Command 1026 -11. Access AT Command 1027 1027 1028 - RS485-BLsupports AT Command set. Usercan use a USB toTTL adapter plus the 3.5mm Program Cabletoconnectto RS485-BL to useAT command, as below.1560 +(% style="color:red" %)**Note:** 1029 1029 1030 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] 1562 +((( 1563 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1564 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1565 +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. 1566 +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 1031 1031 1568 + 1569 +))) 1032 1032 1033 - InPC,Userneedstoset**serial tool**(suchas[[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baudte to **9600**to accesstoaccess serial consoleof RS485-BL.Thedefaultpasswordis123456.Belowistheoutputfor reference:1571 +(% 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" %) 1034 1034 1035 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]] 1036 1036 1037 1037 1575 += 6. FAQ = 1038 1038 1039 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]] 1040 1040 1578 +== 6.1 How to upgrade the image? == 1041 1041 1042 1042 1043 - 1.1044 - 11.CommonATCommandSequence1045 - 111. Multi-channel ABP mode (Use with SX1301/LG308)1581 +((( 1582 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1583 +))) 1046 1046 1047 -If device has not joined network yet: 1585 +* ((( 1586 +Support new features 1587 +))) 1588 +* ((( 1589 +For bug fix 1590 +))) 1591 +* ((( 1592 +Change LoRaWAN bands. 1593 +))) 1048 1048 1049 -AT+FDR 1595 +((( 1596 +Below shows the hardware connection for how to upload an image to RS485-LN: 1597 +))) 1050 1050 1051 - AT+NJM=01599 +(% 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"]] 1052 1052 1053 - ATZ1601 +(% title="Click and drag to resize" %) 1054 1054 1603 +((( 1604 +(% style="color:blue" %)**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]]. 1055 1055 1056 -If device already joined network: 1606 + 1607 +))) 1057 1057 1058 -AT+NJM=0 1609 +((( 1610 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]. 1059 1059 1060 -ATZ 1612 + 1613 +))) 1061 1061 1062 -1. 1063 -11. 1064 -111. Single-channel ABP mode (Use with LG01/LG02) 1615 +((( 1616 +(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update. 1065 1065 1066 -AT+FDR Reset Parameters to Factory Default, Keys Reserve 1618 + 1619 +))) 1067 1067 1068 -AT+NJM=0 Set to ABP mode 1621 +((( 1622 +((( 1623 +((( 1624 +(% 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. 1625 +))) 1626 +))) 1627 +))) 1069 1069 1070 -AT+ADR=0 Set the Adaptive Data Rate Off 1071 1071 1072 -A T+DR=5SetDataRate1630 +(% 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" %) 1073 1073 1074 -AT+TDC=60000 Set transmit interval to 60 seconds 1075 1075 1076 - AT+CHS=868400000 Set transmit frequencyto868.4Mhz1633 +(% 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" %) 1077 1077 1078 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1079 1079 1080 - AT+RX2DR=5SetRX2DRto matchthedownlinkDR fromserver.seebelow1636 +(% 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" %) 1081 1081 1082 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1083 1083 1084 - ATZResetMCU1639 +(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:** 1085 1085 1086 - **Note:**1641 +(% 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" %) 1087 1087 1088 -1. Make sure the device is set to ABP mode in the IoT Server. 1089 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1090 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1091 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 1092 1092 1093 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1094 1094 1645 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1095 1095 1096 -1. FAQ 1097 -11. How to upgrade the image? 1098 1098 1099 - TheRS485-BL LoRaWANControllerisshippedwith5mmcable,thecableisusedtoupload imagetoRS485-BL to:1648 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1100 1100 1101 -* Support new features 1102 -* For bug fix 1103 -* Change LoRaWAN bands. 1104 1104 1105 -Below shows the hardware connection for how to upload an image to RS485-BL: 1106 1106 1107 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1652 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1108 1108 1109 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1110 1110 1111 - **Step2**:Downloadthe[[LTImagefiles>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1655 +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"]]. 1112 1112 1113 -**Step3: **Open flashloader; choose the correct COM port to update. 1114 1114 1115 1115 1116 -|((( 1117 -HOLD PRO then press the RST button, SYS will be ON, then click next 1118 -))) 1659 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1119 1119 1120 -|((( 1121 -Board detected 1122 -))) 1123 1123 1124 -|((( 1125 - 1126 -))) 1662 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1127 1127 1128 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]1664 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1129 1129 1130 1130 1131 1131 1132 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]1668 +== 6.5 Can i use point to point communication for RS485-LN? == 1133 1133 1134 1134 1135 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]1671 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1136 1136 1137 1137 1138 -1. 1139 -11. How to change the LoRa Frequency Bands/Region? 1140 1140 1141 - Usercanfollow the introductionfor[[howtoupgrade image>>path:#upgrade_image]]. When download theimages,choosetherequiredimagefilefor download.1675 +== 6.6 How to Use RS485-LN to connect to RS232 devices? == 1142 1142 1143 1143 1678 +[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]] 1144 1144 1145 -1. 1146 -11. How many RS485-Slave can RS485-BL connects? 1147 1147 1148 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL 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>>path:#downlink_A8]]. 1149 1149 1682 += 7. Trouble Shooting = 1150 1150 1151 1151 1685 +== 7.1 Downlink doesn't work, how to solve it? == 1152 1152 1153 -1. Trouble Shooting 1154 -11. Downlink doesn’t work, how to solve it? 1155 1155 1156 -Please see this link for debug: 1688 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1157 1157 1158 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 1159 1159 1160 1160 1692 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1161 1161 1162 -1. 1163 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1164 1164 1165 -It might about the channels mapping. Please see for detail. 1695 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1166 1166 1167 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]] 1168 1168 1169 1169 1699 += 8. Order Info = 1170 1170 1171 -1. Order Info 1172 1172 1173 -**Part Number: RS485- BL-XXX**1702 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1174 1174 1175 -**XXX:** 1704 +(% style="color:blue" %)**XXX:** 1176 1176 1177 -* **EU433**: frequency bands EU433 1178 -* **EU868**: frequency bands EU868 1179 -* **KR920**: frequency bands KR920 1180 -* **CN470**: frequency bands CN470 1181 -* **AS923**: frequency bands AS923 1182 -* **AU915**: frequency bands AU915 1183 -* **US915**: frequency bands US915 1184 -* **IN865**: frequency bands IN865 1185 -* **RU864**: frequency bands RU864 1186 -* **KZ865 :**frequency bands KZ8651706 +* (% style="color:red" %)**EU433**(%%): frequency bands EU433 1707 +* (% style="color:red" %)**EU868**(%%): frequency bands EU868 1708 +* (% style="color:red" %)**KR920**(%%): frequency bands KR920 1709 +* (% style="color:red" %)**CN470**(%%): frequency bands CN470 1710 +* (% style="color:red" %)**AS923**(%%): frequency bands AS923 1711 +* (% style="color:red" %)**AU915**(%%): frequency bands AU915 1712 +* (% style="color:red" %)**US915**(%%): frequency bands US915 1713 +* (% style="color:red" %)**IN865**(%%): frequency bands IN865 1714 +* (% style="color:red" %)**RU864**(%%): frequency bands RU864 1715 +* (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1187 1187 1188 -1. Packing Info 1189 1189 1718 + 1719 += 9.Packing Info = 1720 + 1721 + 1190 1190 **Package Includes**: 1191 1191 1192 -* RS485- BL x 11724 +* RS485-LN x 1 1193 1193 * Stick Antenna for LoRa RF part x 1 1194 1194 * Program cable x 1 1195 1195 ... ... @@ -1200,9 +1200,70 @@ 1200 1200 * Package Size / pcs : 14.5 x 8 x 5 cm 1201 1201 * Weight / pcs : 170g 1202 1202 1203 -1. Support 1204 1204 1205 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1206 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 1207 1207 1208 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1737 += 10. FCC Caution for RS485LN-US915 = 1738 + 1739 + 1740 +((( 1741 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1742 +))) 1743 + 1744 +((( 1745 +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. 1746 +))) 1747 + 1748 +((( 1749 + 1750 +))) 1751 + 1752 +((( 1753 +(% style="color:red" %)**IMPORTANT NOTE:** 1754 +))) 1755 + 1756 +((( 1757 +(% style="color:red" %)**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: 1758 +))) 1759 + 1760 +((( 1761 +—Reorient or relocate the receiving antenna. 1762 +))) 1763 + 1764 +((( 1765 +—Increase the separation between the equipment and receiver. 1766 +))) 1767 + 1768 +((( 1769 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1770 +))) 1771 + 1772 +((( 1773 +—Consult the dealer or an experienced radio/TV technician for help. 1774 +))) 1775 + 1776 +((( 1777 + 1778 +))) 1779 + 1780 +((( 1781 +(% style="color:red" %)**FCC Radiation Exposure Statement:** 1782 +))) 1783 + 1784 +((( 1785 +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. 1786 +))) 1787 + 1788 + 1789 + 1790 += 11. Support = 1791 + 1792 + 1793 +* ((( 1794 +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. 1795 +))) 1796 +* ((( 1797 +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]]. 1798 + 1799 + 1800 + 1801 +)))
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