Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
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... ... @@ -12,11 +12,6 @@ 12 12 13 13 14 14 15 - 16 - 17 - 18 - 19 - 20 20 **Table of Contents:** 21 21 22 22 {{toc/}} ... ... @@ -74,10 +74,11 @@ 74 74 (% 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" %) 75 75 76 76 72 + 77 77 == 1.2 Specifications == 78 78 79 79 80 -**Hardware System:** 76 +(% style="color:#037691" %)**Hardware System:** 81 81 82 82 * STM32L072CZT6 MCU 83 83 * SX1276/78 Wireless Chip ... ... @@ -85,13 +85,15 @@ 85 85 ** Idle: 32mA@12v 86 86 ** 20dB Transmit: 65mA@12v 87 87 88 -**Interface for Model:** 89 89 85 +(% style="color:#037691" %)**Interface for Model:** 86 + 90 90 * RS485 91 91 * Power Input 7~~ 24V DC. 92 92 93 -**LoRa Spec:** 94 94 91 +(% style="color:#037691" %)**LoRa Spec:** 92 + 95 95 * Frequency Range: 96 96 ** Band 1 (HF): 862 ~~ 1020 Mhz 97 97 ** Band 2 (LF): 410 ~~ 528 Mhz ... ... @@ -111,8 +111,11 @@ 111 111 * Automatic RF Sense and CAD with ultra-fast AFC. 112 112 * Packet engine up to 256 bytes with CRC 113 113 112 + 113 + 114 114 == 1.3 Features == 115 115 116 + 116 116 * LoRaWAN Class A & Class C protocol (default Class C) 117 117 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 118 118 * AT Commands to change parameters ... ... @@ -122,8 +122,11 @@ 122 122 * Support Modbus protocol 123 123 * Support Interrupt uplink (Since hardware version v1.2) 124 124 126 + 127 + 125 125 == 1.4 Applications == 126 126 130 + 127 127 * Smart Buildings & Home Automation 128 128 * Logistics and Supply Chain Management 129 129 * Smart Metering ... ... @@ -131,13 +131,18 @@ 131 131 * Smart Cities 132 132 * Smart Factory 133 133 138 + 139 + 134 134 == 1.5 Firmware Change log == 135 135 142 + 136 136 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 137 137 138 138 146 + 139 139 == 1.6 Hardware Change log == 140 140 149 + 141 141 ((( 142 142 ((( 143 143 ((( ... ... @@ -148,6 +148,7 @@ 148 148 v1.0: Release 149 149 ))) 150 150 160 + 151 151 152 152 ))) 153 153 ))) ... ... @@ -154,6 +154,7 @@ 154 154 155 155 = 2. Power ON Device = 156 156 167 + 157 157 ((( 158 158 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 159 159 ... ... @@ -166,6 +166,7 @@ 166 166 167 167 (% 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" %) 168 168 180 + 169 169 170 170 ))) 171 171 ... ... @@ -173,16 +173,19 @@ 173 173 174 174 == 3.1 How it works? == 175 175 188 + 176 176 ((( 177 177 ((( 178 178 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. 179 179 ))) 180 180 194 + 181 181 182 182 ))) 183 183 184 184 == 3.2 Example to join LoRaWAN network == 185 185 200 + 186 186 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. 187 187 188 188 (% 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" %) ... ... @@ -202,6 +202,8 @@ 202 202 203 203 ((( 204 204 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: 220 + 221 + 205 205 ))) 206 206 207 207 ((( ... ... @@ -252,8 +252,10 @@ 252 252 (% 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" %) 253 253 254 254 272 + 255 255 == 3.3 Configure Commands to read data == 256 256 275 + 257 257 ((( 258 258 ((( 259 259 ((( ... ... @@ -263,15 +263,17 @@ 263 263 264 264 ((( 265 265 ((( 266 -(% 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 v1.1 285 +(% 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** 267 267 ))) 268 268 288 + 269 269 270 270 ))) 271 271 ))) 272 272 273 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 293 +=== 3.3.1 Configure UART settings for RS485 or TTL communication === 274 274 295 + 275 275 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: 276 276 277 277 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) ... ... @@ -332,11 +332,16 @@ 332 332 ))) 333 333 ))) 334 334 356 + 357 + 335 335 === 3.3.2 Configure sensors === 336 336 360 + 337 337 ((( 338 338 ((( 339 -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. 363 +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. 364 + 365 + 340 340 ))) 341 341 ))) 342 342 ... ... @@ -356,8 +356,11 @@ 356 356 ))) 357 357 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 358 358 385 + 386 + 359 359 === 3.3.3 Configure read commands for each sampling === 360 360 389 + 361 361 ((( 362 362 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. 363 363 ... ... @@ -416,11 +416,13 @@ 416 416 (% 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" %) 417 417 418 418 448 + 419 419 * (% style="color:#037691" %)**Grab a section** 420 420 421 421 (% 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" %) 422 422 423 423 454 + 424 424 * (% style="color:#037691" %)**Grab different sections** 425 425 426 426 (% 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" %) ... ... @@ -431,6 +431,7 @@ 431 431 432 432 === 3.3.4 Compose the uplink payload === 433 433 465 + 434 434 ((( 435 435 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.** 436 436 ... ... @@ -489,7 +489,7 @@ 489 489 DATA3=the rest of Valid value of RETURN10= **30** 490 490 491 491 492 -(% 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: 524 +(% 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:** 493 493 494 494 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 495 495 ... ... @@ -508,6 +508,7 @@ 508 508 509 509 === 3.3.5 Uplink on demand === 510 510 543 + 511 511 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. 512 512 513 513 Downlink control command: ... ... @@ -520,6 +520,7 @@ 520 520 521 521 === 3.3.6 Uplink on Interrupt === 522 522 556 + 523 523 RS485-LN support external Interrupt uplink since hardware v1.2 release. 524 524 525 525 (% 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" %) ... ... @@ -527,6 +527,7 @@ 527 527 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. 528 528 529 529 564 + 530 530 == 3.4 Uplink Payload == 531 531 532 532 ... ... @@ -535,8 +535,10 @@ 535 535 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 536 536 537 537 573 + 538 538 == 3.5 Configure RS485-LN via AT or Downlink == 539 539 576 + 540 540 ((( 541 541 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 542 542 ))) ... ... @@ -558,13 +558,17 @@ 558 558 ))) 559 559 560 560 598 + 561 561 === 3.5.1 Common Commands === 562 562 601 + 563 563 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]] 564 564 565 565 566 -=== 3.5.2 Sensor related commands === 567 567 606 +=== 3.5.2 Downlink Response(Since firmware v1.4) === 607 + 608 + 568 568 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. 569 569 570 570 (% 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"]](% title="Click and drag to resize" %) ... ... @@ -580,8 +580,9 @@ 580 580 581 581 ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ==== 582 582 624 + 583 583 ((( 584 -This command is used to configure the RS485 devices; they won ’t be used during sampling.626 +This command is used to configure the RS485 devices; they won't be used during sampling. 585 585 ))) 586 586 587 587 * ((( ... ... @@ -636,7 +636,7 @@ 636 636 ((( 637 637 638 638 639 -**Example 1** ~-~-> Configure without ask for uplink (YY=0) 681 +(% style="color:blue" %)**Example 1:** (%%) ~-~-> Configure without ask for uplink (YY=0) 640 640 ))) 641 641 642 642 ((( ... ... @@ -674,7 +674,7 @@ 674 674 ))) 675 675 676 676 ((( 677 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 719 +(% style="color:blue" %)**Example 2:** (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 678 678 ))) 679 679 680 680 ((( ... ... @@ -702,6 +702,7 @@ 702 702 703 703 ==== (% style="color:blue" %)**Set Payload version**(%%) ==== 704 704 747 + 705 705 ((( 706 706 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. 707 707 ))) ... ... @@ -730,6 +730,7 @@ 730 730 731 731 ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 732 732 776 + 733 733 ((( 734 734 AT+COMMANDx or AT+DATACUTx 735 735 ))) ... ... @@ -757,10 +757,14 @@ 757 757 758 758 ((( 759 759 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 804 + 805 + 760 760 ))) 761 761 762 762 ((( 763 763 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 810 + 811 + 764 764 ))) 765 765 766 766 ((( ... ... @@ -810,6 +810,7 @@ 810 810 811 811 ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ==== 812 812 861 + 813 813 ((( 814 814 **AT+MBFUN** is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]]. 815 815 ))) ... ... @@ -851,6 +851,7 @@ 851 851 852 852 ==== (% style="color:blue" %)**RS485 command timeout**(%%) ==== 853 853 903 + 854 854 ((( 855 855 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. 856 856 ))) ... ... @@ -904,6 +904,7 @@ 904 904 905 905 ==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 906 906 957 + 907 907 ((( 908 908 Define to use one uplink or multiple uplinks for the sampling. 909 909 ))) ... ... @@ -940,6 +940,7 @@ 940 940 941 941 ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 942 942 994 + 943 943 ((( 944 944 Ask device to send an uplink immediately. 945 945 ))) ... ... @@ -969,6 +969,7 @@ 969 969 970 970 ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ==== 971 971 1024 + 972 972 ((( 973 973 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 974 974 ... ... @@ -1015,6 +1015,7 @@ 1015 1015 1016 1016 ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ==== 1017 1017 1071 + 1018 1018 ((( 1019 1019 Set the Rs485 serial communication parameters: 1020 1020 ))) ... ... @@ -1079,6 +1079,7 @@ 1079 1079 1080 1080 == 3.6 Listening mode for RS485 network == 1081 1081 1136 + 1082 1082 ((( 1083 1083 This feature support since firmware v1.4 1084 1084 ))) ... ... @@ -1085,6 +1085,8 @@ 1085 1085 1086 1086 ((( 1087 1087 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. 1143 + 1144 + 1088 1088 ))) 1089 1089 1090 1090 (% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -1170,11 +1170,12 @@ 1170 1170 1171 1171 ((( 1172 1172 ((( 1173 -(% 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. 1230 +(% 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.** 1174 1174 ))) 1175 1175 ))) 1176 1176 1177 1177 1235 + 1178 1178 == 3.7 Buttons == 1179 1179 1180 1180 ... ... @@ -1185,6 +1185,8 @@ 1185 1185 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1186 1186 1187 1187 1246 + 1247 + 1188 1188 == 3.8 LEDs == 1189 1189 1190 1190 ... ... @@ -1194,15 +1194,21 @@ 1194 1194 |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1195 1195 1196 1196 1257 + 1258 + 1197 1197 = 4. Case Study = 1198 1198 1261 + 1199 1199 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]] 1200 1200 1201 1201 1265 + 1202 1202 = 5. Use AT Command = 1203 1203 1268 + 1204 1204 == 5.1 Access AT Command == 1205 1205 1271 + 1206 1206 ((( 1207 1207 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. 1208 1208 ))) ... ... @@ -1228,6 +1228,7 @@ 1228 1228 1229 1229 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1230 1230 1297 + 1231 1231 If device has not joined network yet: 1232 1232 1233 1233 * (% style="color:#037691" %)**AT+FDR** ... ... @@ -1246,6 +1246,7 @@ 1246 1246 ))) 1247 1247 1248 1248 1316 + 1249 1249 === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1250 1250 1251 1251 ... ... @@ -1277,15 +1277,20 @@ 1277 1277 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1278 1278 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. 1279 1279 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 1348 + 1349 + 1280 1280 ))) 1281 1281 1282 1282 (% 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" %) 1283 1283 1284 1284 1355 + 1285 1285 = 6. FAQ = 1286 1286 1358 + 1287 1287 == 6.1 How to upgrade the image? == 1288 1288 1361 + 1289 1289 ((( 1290 1290 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1291 1291 ))) ... ... @@ -1304,14 +1304,16 @@ 1304 1304 Below shows the hardware connection for how to upload an image to RS485-LN: 1305 1305 ))) 1306 1306 1307 -(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]] (% title="Click and drag to resize" %)1380 +(% 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"]] 1308 1308 1382 +(% title="Click and drag to resize" %) 1383 + 1309 1309 ((( 1310 1310 (% 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]]. 1311 1311 ))) 1312 1312 1313 1313 ((( 1314 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir= LT_LoRa_IO_Controller/LT33222-L/image/]].1389 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]]. 1315 1315 ))) 1316 1316 1317 1317 ((( ... ... @@ -1336,47 +1336,69 @@ 1336 1336 (% 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" %) 1337 1337 1338 1338 1339 -(% 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: 1414 +(% 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:** 1340 1340 1341 1341 (% 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" %) 1342 1342 1343 1343 1419 + 1344 1344 == 6.2 How to change the LoRa Frequency Bands/Region? == 1345 1345 1422 + 1346 1346 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1347 1347 1348 1348 1426 + 1349 1349 == 6.3 How many RS485-Slave can RS485-LN connects? == 1350 1350 1429 + 1351 1351 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"]]. 1352 1352 1353 1353 1433 + 1354 1354 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1355 1355 1436 + 1356 1356 When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1357 1357 1358 1358 Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1359 1359 1360 1360 1442 + 1361 1361 == 6.5 Can i use point to point communication for RS485-LN? == 1362 1362 1445 + 1363 1363 Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1364 1364 1365 1365 1449 + 1450 +== 6.6 How to Use RS485-LN to connect to RS232 devices? == 1451 + 1452 + 1453 +[[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/]] 1454 + 1455 + 1456 + 1366 1366 = 7. Trouble Shooting = 1367 1367 1459 + 1368 1368 == 7.1 Downlink doesn't work, how to solve it? == 1369 1369 1462 + 1370 1370 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1371 1371 1372 1372 1466 + 1373 1373 == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1374 1374 1469 + 1375 1375 It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1376 1376 1377 1377 1473 + 1378 1378 = 8. Order Info = 1379 1379 1476 + 1380 1380 (% style="color:blue" %)**Part Number: RS485-LN-XXX** 1381 1381 1382 1382 (% style="color:blue" %)**XXX:** ... ... @@ -1393,6 +1393,8 @@ 1393 1393 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1394 1394 1395 1395 1493 + 1494 + 1396 1396 = 9.Packing Info = 1397 1397 1398 1398 ... ... @@ -1410,8 +1410,11 @@ 1410 1410 * Weight / pcs : 170g 1411 1411 1412 1412 1512 + 1513 + 1413 1413 = 10. FCC Caution for RS485LN-US915 = 1414 1414 1516 + 1415 1415 ((( 1416 1416 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1417 1417 ))) ... ... @@ -1429,7 +1429,7 @@ 1429 1429 ))) 1430 1430 1431 1431 ((( 1432 -**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: 1534 +(% 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: 1433 1433 ))) 1434 1434 1435 1435 ((( ... ... @@ -1461,11 +1461,16 @@ 1461 1461 ))) 1462 1462 1463 1463 1566 + 1464 1464 = 11. Support = 1465 1465 1569 + 1466 1466 * ((( 1467 1467 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. 1468 1468 ))) 1469 1469 * ((( 1470 1470 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]]. 1575 + 1576 + 1577 + 1471 1471 )))
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