Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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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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... ... @@ -3,7 +3,6 @@ 3 3 4 4 5 5 6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual** 7 7 8 8 9 9 ... ... @@ -25,6 +25,8 @@ 25 25 ((( 26 26 ((( 27 27 ((( 27 + 28 + 28 28 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. 29 29 ))) 30 30 ))) ... ... @@ -48,6 +48,8 @@ 48 48 49 49 ((( 50 50 (% 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]] 52 + 53 + 51 51 ))) 52 52 ))) 53 53 ))) ... ... @@ -92,6 +92,9 @@ 92 92 * Automatic RF Sense and CAD with ultra-fast AFC. 93 93 * Packet engine up to 256 bytes with CRC 94 94 98 + 99 + 100 + 95 95 == 1.3 Features == 96 96 97 97 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -121,9 +121,13 @@ 121 121 122 122 ((( 123 123 ((( 130 +((( 124 124 v1.2: Add External Interrupt Pin. 132 +))) 125 125 134 +((( 126 126 v1.0: Release 136 +))) 127 127 128 128 129 129 ))) ... ... @@ -151,7 +151,9 @@ 151 151 == 3.1 How it works? == 152 152 153 153 ((( 164 +((( 154 154 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. 166 +))) 155 155 156 156 157 157 ))) ... ... @@ -174,12 +174,13 @@ 174 174 175 175 [[image:1653268227651-549.png||height="592" width="720"]] 176 176 189 + 177 177 ((( 178 178 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: 179 179 ))) 180 180 181 181 ((( 182 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 195 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 183 183 ))) 184 184 185 185 ((( ... ... @@ -189,6 +189,7 @@ 189 189 190 190 [[image:1652953462722-299.png]] 191 191 205 + 192 192 ((( 193 193 ((( 194 194 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -195,7 +195,7 @@ 195 195 ))) 196 196 197 197 ((( 198 -Add APP EUI in the application. 212 +**Add APP EUI in the application.** 199 199 ))) 200 200 ))) 201 201 ... ... @@ -211,13 +211,15 @@ 211 211 212 212 [[image:1652953542269-423.png||height="710" width="723"]] 213 213 214 -Add APP KEY and DEV EUI 215 215 229 + 230 +**Add APP KEY and DEV EUI** 231 + 216 216 [[image:1652953553383-907.png||height="514" width="724"]] 217 217 218 218 219 219 ((( 220 -**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. 236 +(% 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. 221 221 ))) 222 222 223 223 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -227,11 +227,15 @@ 227 227 228 228 ((( 229 229 ((( 230 -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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 246 +((( 247 +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. 231 231 ))) 249 +))) 232 232 233 233 ((( 252 +((( 234 234 (% 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 v1.1 254 +))) 235 235 236 236 237 237 ))) ... ... @@ -241,19 +241,19 @@ 241 241 242 242 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: 243 243 244 -(% border="1" style="background-color:#ffffcc; color:green; width: 782px" %)245 -|(% style="width:1 28px" %)(((264 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 265 +|=(% style="width: 110px;" %)((( 246 246 **AT Commands** 247 -)))|(% style="width: 305px" %)(((267 +)))|=(% style="width: 190px;" %)((( 248 248 **Description** 249 -)))|(% style="width: 346px" %)(((269 +)))|=(% style="width: 190px;" %)((( 250 250 **Example** 251 251 ))) 252 -|(% style="width:1 28px" %)(((272 +|(% style="width:110px" %)((( 253 253 AT+BAUDR 254 -)))|(% style="width: 305px" %)(((274 +)))|(% style="width:190px" %)((( 255 255 Set the baud rate (for RS485 connection). Default Value is: 9600. 256 -)))|(% style="width: 346px" %)(((276 +)))|(% style="width:190px" %)((( 257 257 ((( 258 258 AT+BAUDR=9600 259 259 ))) ... ... @@ -262,11 +262,11 @@ 262 262 Options: (1200,2400,4800,14400,19200,115200) 263 263 ))) 264 264 ))) 265 -|(% style="width:1 28px" %)(((285 +|(% style="width:110px" %)((( 266 266 AT+PARITY 267 -)))|(% style="width: 305px" %)(((287 +)))|(% style="width:190px" %)((( 268 268 Set UART parity (for RS485 connection) 269 -)))|(% style="width: 346px" %)(((289 +)))|(% style="width:190px" %)((( 270 270 ((( 271 271 AT+PARITY=0 272 272 ))) ... ... @@ -275,9 +275,9 @@ 275 275 Option: 0: no parity, 1: odd parity, 2: even parity 276 276 ))) 277 277 ))) 278 -|(% style="width:1 28px" %)(((298 +|(% style="width:110px" %)((( 279 279 AT+STOPBIT 280 -)))|(% style="width: 305px" %)(((300 +)))|(% style="width:190px" %)((( 281 281 ((( 282 282 Set serial stopbit (for RS485 connection) 283 283 ))) ... ... @@ -285,7 +285,7 @@ 285 285 ((( 286 286 287 287 ))) 288 -)))|(% style="width: 346px" %)(((308 +)))|(% style="width:190px" %)((( 289 289 ((( 290 290 AT+STOPBIT=0 for 1bit 291 291 ))) ... ... @@ -299,6 +299,7 @@ 299 299 ))) 300 300 ))) 301 301 322 + 302 302 === 3.3.2 Configure sensors === 303 303 304 304 ((( ... ... @@ -307,16 +307,23 @@ 307 307 ))) 308 308 ))) 309 309 310 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 311 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 312 -|AT+CFGDEV|(% style="width:418px" %)((( 331 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 332 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 333 +|AT+CFGDEV|(% style="width:110px" %)((( 334 +((( 313 313 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 336 +))) 314 314 338 +((( 315 315 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 340 +))) 316 316 342 +((( 317 317 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 318 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 344 +))) 345 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 319 319 347 + 320 320 === 3.3.3 Configure read commands for each sampling === 321 321 322 322 ((( ... ... @@ -329,7 +329,7 @@ 329 329 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 330 330 331 331 332 -**Each RS485 commands include two parts:** 360 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 333 333 334 334 ~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. 335 335 ... ... @@ -344,11 +344,11 @@ 344 344 Below are examples for the how above AT Commands works. 345 345 346 346 347 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 375 +(% 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: 348 348 349 349 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 350 350 |(% style="width:496px" %)((( 351 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 379 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 352 352 353 353 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 354 354 ... ... @@ -360,10 +360,10 @@ 360 360 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 361 361 362 362 363 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 391 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 364 364 365 -(% border="1" style="background-color:#4bacc6; color:white; width: 725px" %)366 -|(% style="width: 722px" %)(((393 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 394 +|(% style="width:510px" %)((( 367 367 **AT+DATACUTx=a,b,c** 368 368 369 369 * **a: length for the return of AT+COMMAND** ... ... @@ -373,20 +373,21 @@ 373 373 374 374 **Examples:** 375 375 376 -* Grab bytes :404 +* (% style="color:#037691" %)**Grab bytes** 377 377 378 378 [[image:image-20220602153621-1.png]] 379 379 380 380 381 -* Grab a section .409 +* (% style="color:#037691" %)**Grab a section** 382 382 383 383 [[image:image-20220602153621-2.png]] 384 384 385 385 386 -* Grab different sections .414 +* (% style="color:#037691" %)**Grab different sections** 387 387 388 388 [[image:image-20220602153621-3.png]] 389 389 418 + 390 390 391 391 ))) 392 392 ... ... @@ -489,33 +489,35 @@ 489 489 490 490 == 3.4 Uplink Payload == 491 491 492 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 493 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 494 -|Value|(% style="width:120px" %)((( 495 -Battery(mV) 496 496 497 - &522 +[[image:image-20220606110929-1.png]] 498 498 499 -Interrupt _Flag 500 -)))|(% style="width:116px" %)((( 501 -PAYLOAD_VER 502 - 503 - 504 -)))|(% style="width:386px" %)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. 505 - 506 506 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 507 507 508 508 509 -== 3.5 Configure RS485- BL via AT or Downlink ==527 +== 3.5 Configure RS485-LN via AT or Downlink == 510 510 529 +((( 511 511 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 531 +))) 512 512 533 +((( 513 513 There are two kinds of Commands: 535 +))) 514 514 515 -* (% 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]] 537 +* ((( 538 +(% 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]] 539 +))) 516 516 517 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 541 +* ((( 542 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 543 +))) 518 518 545 +((( 546 + 547 +))) 548 + 549 + 519 519 === 3.5.1 Common Commands === 520 520 521 521 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]] ... ... @@ -534,142 +534,282 @@ 534 534 535 535 536 536 568 + 537 537 ==== **RS485 Debug Command** ==== 538 538 571 +((( 539 539 This command is used to configure the RS485 devices; they won’t be used during sampling. 573 +))) 540 540 541 -* **AT Command** 575 +* ((( 576 +**AT Command** 577 +))) 542 542 543 543 (% class="box infomessage" %) 544 544 ((( 581 +((( 545 545 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 546 546 ))) 584 +))) 547 547 586 +((( 548 548 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 588 +))) 549 549 550 -* **Downlink Payload** 590 +* ((( 591 +**Downlink Payload** 592 +))) 551 551 594 +((( 552 552 Format: A8 MM NN XX XX XX XX YY 596 +))) 553 553 598 +((( 554 554 Where: 600 +))) 555 555 556 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 557 -* NN: The length of RS485 command 558 -* XX XX XX XX: RS485 command total NN bytes 559 -* YY: How many bytes will be uplink from the return of this RS485 command, 560 -** if YY=0, RS485-LN will execute the downlink command without uplink; 561 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 562 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 602 +* ((( 603 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 604 +))) 605 +* ((( 606 +NN: The length of RS485 command 607 +))) 608 +* ((( 609 +XX XX XX XX: RS485 command total NN bytes 610 +))) 611 +* ((( 612 +((( 613 +YY: How many bytes will be uplink from the return of this RS485 command, 614 +))) 563 563 616 +* ((( 617 +if YY=0, RS485-LN will execute the downlink command without uplink; 618 +))) 619 +* ((( 620 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 621 +))) 622 +* ((( 623 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 624 +))) 625 +))) 626 + 627 +((( 564 564 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 629 +))) 565 565 631 +((( 566 566 To connect a Modbus Alarm with below commands. 633 +))) 567 567 568 -* 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. 635 +* ((( 636 +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. 637 +))) 569 569 570 -* 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. 639 +* ((( 640 +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. 641 +))) 571 571 643 +((( 572 572 So if user want to use downlink command to control to RS485 Alarm, he can use: 645 +))) 573 573 647 +((( 574 574 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 649 +))) 575 575 651 +((( 576 576 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 653 +))) 577 577 655 +((( 578 578 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. 657 +))) 579 579 659 +((( 660 + 661 +))) 580 580 663 +((( 581 581 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 665 +))) 582 582 667 +((( 583 583 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 669 +))) 584 584 671 +((( 672 + 673 +))) 585 585 675 +((( 586 586 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: 677 +))) 587 587 679 +((( 588 588 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 681 +))) 589 589 683 +((( 590 590 [[image:1654159460680-153.png]] 685 +))) 591 591 592 592 593 593 689 + 594 594 ==== **Set Payload version** ==== 595 595 596 -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. 692 +((( 693 +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. 694 +))) 597 597 598 -* **AT Command:** 696 +* ((( 697 +**AT Command:** 698 +))) 599 599 600 600 (% class="box infomessage" %) 601 601 ((( 702 +((( 602 602 **AT+PAYVER: Set PAYVER field = 1** 603 603 ))) 705 +))) 604 604 605 -* **Downlink Payload:** 707 +* ((( 708 +**Downlink Payload:** 709 +))) 606 606 711 +((( 607 607 **0xAE 01** ~-~-> Set PAYVER field = 0x01 713 +))) 608 608 715 +((( 609 609 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 717 +))) 610 610 611 611 612 612 721 + 613 613 ==== **Set RS485 Sampling Commands** ==== 614 614 724 +((( 615 615 AT+COMMANDx or AT+DATACUTx 726 +))) 616 616 728 +((( 617 617 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"]]. 730 +))) 618 618 732 +((( 733 + 734 +))) 619 619 620 -* **AT Command:** 736 +* ((( 737 +**AT Command:** 738 +))) 621 621 622 622 (% class="box infomessage" %) 623 623 ((( 742 +((( 624 624 **AT+COMMANDx: Configure RS485 read command to sensor.** 625 625 ))) 745 +))) 626 626 627 627 (% class="box infomessage" %) 628 628 ((( 749 +((( 629 629 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 630 630 ))) 752 +))) 631 631 754 +((( 755 + 756 +))) 632 632 633 -* **Downlink Payload:** 758 +* ((( 759 +**Downlink Payload:** 760 +))) 634 634 762 +((( 635 635 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 764 +))) 636 636 766 +((( 637 637 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 768 +))) 638 638 770 +((( 639 639 Format: AF MM NN LL XX XX XX XX YY 772 +))) 640 640 774 +((( 641 641 Where: 776 +))) 642 642 643 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 644 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 645 -* LL: The length of AT+COMMAND or AT+DATACUT command 646 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 647 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 778 +* ((( 779 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 780 +))) 781 +* ((( 782 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 783 +))) 784 +* ((( 785 +LL: The length of AT+COMMAND or AT+DATACUT command 786 +))) 787 +* ((( 788 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 789 +))) 790 +* ((( 791 +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. 792 +))) 648 648 794 +((( 649 649 **Example:** 796 +))) 650 650 798 +((( 651 651 (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 800 +))) 652 652 802 +((( 653 653 (% 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** 804 +))) 654 654 806 +((( 655 655 (% 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** 808 +))) 656 656 657 657 658 658 812 + 659 659 ==== **Fast command to handle MODBUS device** ==== 660 660 815 +((( 661 661 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]]. 817 +))) 662 662 819 +((( 663 663 This command is valid since v1.3 firmware version 821 +))) 664 664 823 +((( 665 665 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. 825 +))) 666 666 827 +((( 828 + 829 +))) 667 667 831 +((( 668 668 **Example:** 833 +))) 669 669 670 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 671 -* 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. 672 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 835 +* ((( 836 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 837 +))) 838 +* ((( 839 +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. 840 +))) 841 +* ((( 842 +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. 843 +))) 673 673 674 674 [[image:image-20220602165351-6.png]] 675 675 ... ... @@ -677,203 +677,375 @@ 677 677 678 678 679 679 851 + 680 680 ==== **RS485 command timeout** ==== 681 681 854 +((( 682 682 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 +))) 683 683 858 +((( 684 684 Default value: 0, range: 0 ~~ 65 seconds 860 +))) 685 685 686 -* **AT Command:** 862 +* ((( 863 +**AT Command:** 864 +))) 687 687 688 688 (% class="box infomessage" %) 689 689 ((( 868 +((( 690 690 **AT+CMDDLaa=hex(bb cc)*1000** 691 691 ))) 871 +))) 692 692 873 +((( 693 693 **Example:** 875 +))) 694 694 877 +((( 695 695 **AT+CMDDL1=1000** to send the open time to 1000ms 879 +))) 696 696 881 +((( 882 + 883 +))) 697 697 698 -* **Downlink Payload:** 885 +* ((( 886 +**Downlink Payload:** 887 +))) 699 699 889 +((( 700 700 **0x AA aa bb cc** 891 +))) 701 701 893 +((( 702 702 Same as: AT+CMDDLaa=hex(bb cc)*1000 895 +))) 703 703 897 +((( 704 704 **Example:** 899 +))) 705 705 901 +((( 706 706 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 903 +))) 707 707 708 708 709 709 907 + 710 710 ==== **Uplink payload mode** ==== 711 711 910 +((( 712 712 Define to use one uplink or multiple uplinks for the sampling. 912 +))) 713 713 914 +((( 714 714 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 916 +))) 715 715 716 -* **AT Command:** 918 +* ((( 919 +**AT Command:** 920 +))) 717 717 718 718 (% class="box infomessage" %) 719 719 ((( 924 +((( 720 720 **AT+DATAUP=0** 721 721 ))) 927 +))) 722 722 723 723 (% class="box infomessage" %) 724 724 ((( 931 +((( 725 725 **AT+DATAUP=1** 726 726 ))) 934 +))) 727 727 936 +((( 937 + 938 +))) 728 728 729 -* **Downlink Payload:** 940 +* ((( 941 +**Downlink Payload:** 942 +))) 730 730 944 +((( 731 731 **0xAD 00** **~-~->** Same as AT+DATAUP=0 946 +))) 732 732 948 +((( 733 733 **0xAD 01** **~-~->** Same as AT+DATAUP=1 950 +))) 734 734 735 735 736 736 954 + 737 737 ==== **Manually trigger an Uplink** ==== 738 738 957 +((( 739 739 Ask device to send an uplink immediately. 959 +))) 740 740 741 -* **AT Command:** 961 +* ((( 962 +**AT Command:** 963 +))) 742 742 965 +((( 743 743 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 967 +))) 744 744 969 +((( 970 + 971 +))) 745 745 746 -* **Downlink Payload:** 973 +* ((( 974 +**Downlink Payload:** 975 +))) 747 747 977 +((( 748 748 **0x08 FF**, RS485-LN will immediately send an uplink. 979 +))) 749 749 750 750 751 751 983 + 752 752 ==== **Clear RS485 Command** ==== 753 753 986 +((( 754 754 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 988 +))) 755 755 756 -* **AT Command:** 990 +* ((( 991 +**AT Command:** 992 +))) 757 757 994 +((( 758 758 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 996 +))) 759 759 998 +((( 760 760 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1000 +))) 761 761 1002 +((( 762 762 Example screen shot after clear all RS485 commands. 1004 +))) 763 763 1006 +((( 1007 + 1008 +))) 764 764 1010 +((( 765 765 The uplink screen shot is: 1012 +))) 766 766 767 767 [[image:1654160691922-496.png]] 768 768 769 769 770 -* **Downlink Payload:** 1017 +* ((( 1018 +**Downlink Payload:** 1019 +))) 771 771 1021 +((( 772 772 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1023 +))) 773 773 774 774 775 775 1027 + 776 776 ==== **Set Serial Communication Parameters** ==== 777 777 1030 +((( 778 778 Set the Rs485 serial communication parameters: 1032 +))) 779 779 780 -* **AT Command:** 1034 +* ((( 1035 +**AT Command:** 1036 +))) 781 781 1038 +((( 782 782 Set Baud Rate: 1040 +))) 783 783 784 784 (% class="box infomessage" %) 785 785 ((( 1044 +((( 786 786 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 787 787 ))) 1047 +))) 788 788 1049 +((( 789 789 Set UART Parity 1051 +))) 790 790 791 791 (% class="box infomessage" %) 792 792 ((( 1055 +((( 793 793 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 794 794 ))) 1058 +))) 795 795 1060 +((( 796 796 Set STOPBIT 1062 +))) 797 797 798 798 (% class="box infomessage" %) 799 799 ((( 1066 +((( 800 800 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 801 801 ))) 1069 +))) 802 802 1071 +((( 1072 + 1073 +))) 803 803 804 -* **Downlink Payload:** 1075 +* ((( 1076 +**Downlink Payload:** 1077 +))) 805 805 1079 +((( 806 806 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1081 +))) 807 807 1083 +((( 808 808 **Example:** 1085 +))) 809 809 810 -* A7 01 00 60 same as AT+BAUDR=9600 811 -* A7 01 04 80 same as AT+BAUDR=115200 1087 +* ((( 1088 +A7 01 00 60 same as AT+BAUDR=9600 1089 +))) 1090 +* ((( 1091 +A7 01 04 80 same as AT+BAUDR=115200 1092 +))) 812 812 1094 +((( 813 813 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1096 +))) 814 814 1098 +((( 815 815 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1100 +))) 816 816 817 817 1103 + 1104 + 818 818 == 3.6 Listening mode for RS485 network == 819 819 1107 +((( 820 820 This feature support since firmware v1.4 1109 +))) 821 821 1111 +((( 822 822 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. 1113 +))) 823 823 824 824 [[image:image-20220602171200-8.png||height="567" width="1007"]] 825 825 1117 +((( 826 826 To enable the listening mode, use can run the command AT+RXMODE. 1119 +))) 827 827 1121 +((( 1122 + 1123 +))) 828 828 829 -(% border="1" style="background-color:#ffffcc; width:500px" %) 830 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 831 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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. 832 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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 833 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 834 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1125 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1126 +|=(% style="width: 100px;" %)((( 1127 +**Command example** 1128 +)))|=(% style="width: 400px;" %)((( 1129 +**Function** 1130 +))) 1131 +|(% style="width:100px" %)((( 1132 +AT+RXMODE=1,10 1133 +)))|(% style="width:400px" %)((( 1134 +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. 1135 +))) 1136 +|(% style="width:100px" %)((( 1137 +AT+RXMODE=2,500 1138 +)))|(% style="width:400px" %)((( 1139 +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 1140 +))) 1141 +|(% style="width:100px" %)((( 1142 +AT+RXMODE=0,0 1143 +)))|(% style="width:400px" %)((( 1144 +Disable listening mode. This is the default settings. 1145 +))) 1146 +|(% style="width:100px" %)((( 1147 + 1148 +)))|(% style="width:400px" %)((( 1149 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1150 +))) 835 835 1152 +((( 836 836 **Downlink Command:** 1154 +))) 837 837 1156 +((( 838 838 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1158 +))) 839 839 1160 +((( 1161 + 1162 +))) 840 840 1164 +((( 841 841 **Example**: 1166 +))) 842 842 1168 +((( 843 843 The RS485-LN is set to AT+RXMODE=2,1000 1170 +))) 844 844 1172 +((( 845 845 There is a two Modbus commands in the RS485 network as below: 1174 +))) 846 846 1176 +((( 847 847 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1178 +))) 848 848 1180 +((( 849 849 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1182 +))) 850 850 1184 +((( 851 851 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 1186 +))) 852 852 1188 +((( 853 853 [[image:image-20220602171200-9.png]] 1190 +))) 854 854 1192 +((( 1193 + 1194 +))) 855 855 1196 +((( 1197 +((( 856 856 (% 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. 1199 +))) 1200 +))) 857 857 858 858 859 859 == 3.7 Buttons == 860 860 861 861 862 -(% border="1" style="background-color:#f7faff; width: 500px" %)863 -|=**Button**|=(% style="width: 1 420px;" %)**Feature**864 -|**ACT**|(% style="width:1 420px" %)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**865 -|**RST**|(% style="width:1 420px" %)Reboot RS485866 -|**PRO**|(% style="width:1 420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]1206 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1207 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1208 +|(% 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** 1209 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1210 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 867 867 868 - 869 869 == 3.8 LEDs == 870 870 871 -(% border="1" style="background-color:#f7faff; width:500px" %) 872 -|=**LEDs**|=**Feature** 1214 + 1215 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1216 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 873 873 |**PWR**|Always on if there is power 874 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 1218 +|**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. 875 875 876 - 877 877 = 4. Case Study = 878 878 879 879 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]] ... ... @@ -883,19 +883,26 @@ 883 883 884 884 == 5.1 Access AT Command == 885 885 886 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 1229 +((( 1230 +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. 1231 +))) 887 887 888 888 [[image:1654162355560-817.png]] 889 889 890 890 891 -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-BL. The default password is 123456. Below is the output for reference: 1236 +((( 1237 +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: 1238 +))) 892 892 893 893 [[image:1654162368066-342.png]] 894 894 895 895 1243 +((( 896 896 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/]] 1245 +))) 897 897 898 898 1248 + 899 899 == 5.2 Common AT Command Sequence == 900 900 901 901 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -918,7 +918,9 @@ 918 918 ))) 919 919 920 920 1271 +((( 921 921 If device already joined network: 1273 +))) 922 922 923 923 (% class="box infomessage" %) 924 924 ((( ... ... @@ -957,10 +957,12 @@ 957 957 958 958 (% style="color:red" %)**Note:** 959 959 1312 +((( 960 960 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 961 961 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 962 962 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. 963 963 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 1317 +))) 964 964 965 965 [[image:1654162478620-421.png]] 966 966 ... ... @@ -969,25 +969,45 @@ 969 969 970 970 == 6.1 How to upgrade the image? == 971 971 1326 +((( 972 972 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1328 +))) 973 973 974 -* Support new features 975 -* For bug fix 976 -* Change LoRaWAN bands. 1330 +* ((( 1331 +Support new features 1332 +))) 1333 +* ((( 1334 +For bug fix 1335 +))) 1336 +* ((( 1337 +Change LoRaWAN bands. 1338 +))) 977 977 1340 +((( 978 978 Below shows the hardware connection for how to upload an image to RS485-LN: 1342 +))) 979 979 980 980 [[image:1654162535040-878.png]] 981 981 1346 +((( 982 982 **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]]. 1348 +))) 983 983 1350 +((( 984 984 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1352 +))) 985 985 1354 +((( 986 986 **Step3: **Open flashloader; choose the correct COM port to update. 1356 +))) 987 987 988 988 ((( 1359 +((( 1360 +((( 989 989 (% 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. 990 990 ))) 1363 +))) 1364 +))) 991 991 992 992 993 993 [[image:image-20220602175818-12.png]] ... ... @@ -1009,9 +1009,9 @@ 1009 1009 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1010 1010 1011 1011 1012 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1386 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1013 1013 1014 -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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].1388 +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"]]. 1015 1015 1016 1016 1017 1017 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == ... ... @@ -1050,8 +1050,6 @@ 1050 1050 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1051 1051 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1052 1052 1053 - 1054 - 1055 1055 = 9.Packing Info = 1056 1056 1057 1057 ... ... @@ -1068,8 +1068,6 @@ 1068 1068 * Package Size / pcs : 14.5 x 8 x 5 cm 1069 1069 * Weight / pcs : 170g 1070 1070 1071 - 1072 - 1073 1073 = 10. FCC Caution for RS485LN-US915 = 1074 1074 1075 1075 (((
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