Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
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... ... @@ -33,40 +33,28 @@ 33 33 34 34 == 1.1 What is RS485-LN RS485 to LoRaWAN Converter == 35 35 36 -((( 37 -((( 38 -((( 39 - 40 40 37 +((( 41 41 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. 42 42 ))) 43 -))) 44 44 45 45 ((( 46 -((( 47 47 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. 48 48 ))) 49 -))) 50 50 51 51 ((( 52 -((( 53 53 (% 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. 54 54 ))) 55 -))) 56 56 57 57 ((( 58 -((( 59 59 (% 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 60 ))) 61 61 62 62 ((( 63 63 (% 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 - 66 66 ))) 67 -))) 68 -))) 69 69 57 + 70 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" %) 71 71 72 72 ... ... @@ -76,7 +76,7 @@ 76 76 77 77 (% style="color:#037691" %)**Hardware System:** 78 78 79 -* STM32L072 CZT6MCU67 +* STM32L072xxxx MCU 80 80 * SX1276/78 Wireless Chip 81 81 * Power Consumption (exclude RS485 device): 82 82 ** Idle: 32mA@12v ... ... @@ -108,8 +108,6 @@ 108 108 * Automatic RF Sense and CAD with ultra-fast AFC. 109 109 * Packet engine up to 256 bytes with CRC 110 110 111 - 112 - 113 113 == 1.3 Features == 114 114 115 115 ... ... @@ -122,8 +122,6 @@ 122 122 * Support Modbus protocol 123 123 * Support Interrupt uplink (Since hardware version v1.2) 124 124 125 - 126 - 127 127 == 1.4 Applications == 128 128 129 129 ... ... @@ -134,8 +134,6 @@ 134 134 * Smart Cities 135 135 * Smart Factory 136 136 137 - 138 - 139 139 == 1.5 Firmware Change log == 140 140 141 141 ... ... @@ -309,10 +309,10 @@ 309 309 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: 310 310 311 311 312 -(% border="1" cellspacing=" 10" style="background-color:#ffffcc; color:green; width:510px" %)294 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %) 313 313 |=(% style="width: 110px;" %)((( 314 314 **AT Commands** 315 -)))|=(% style="width: 1 90px;" %)(((297 +)))|=(% style="width: 210px;" %)((( 316 316 **Description** 317 317 )))|=(% style="width: 190px;" %)((( 318 318 **Example** ... ... @@ -367,9 +367,6 @@ 367 367 ))) 368 368 ))) 369 369 370 - 371 - 372 - 373 373 === 3.3.2 Configure sensors === 374 374 375 375 ... ... @@ -381,8 +381,8 @@ 381 381 ))) 382 382 ))) 383 383 384 -(% border="1" cellspacing=" 10" style="background-color:#ffffcc; color:green; width:510px" %)385 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 1 90px;" %)**Description**|=(% style="width: 190px;" %)**Example**363 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %) 364 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example** 386 386 |AT+CFGDEV|(% style="width:110px" %)((( 387 387 ((( 388 388 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. ... ... @@ -397,9 +397,6 @@ 397 397 ))) 398 398 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 399 399 400 - 401 - 402 - 403 403 === 3.3.3 Configure read commands for each sampling === 404 404 405 405 ... ... @@ -432,7 +432,7 @@ 432 432 433 433 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 434 434 |(% style="width:496px" %)((( 435 - (% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**411 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 436 436 437 437 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 438 438 ... ... @@ -507,7 +507,7 @@ 507 507 508 508 ))) 509 509 510 - (% 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" %)486 +[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %) 511 511 512 512 513 513 (% style="color:#037691" %)**Examples: AT+DATAUP=1** ... ... @@ -515,14 +515,18 @@ 515 515 516 516 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 517 517 518 -Final Payload is (% style="color:#4f81bd" %)** Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**494 +Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 519 519 520 520 521 -1. PAYVER: Defined by AT+PAYVER 522 -1. PAYLOAD COUNT: Total how many uplinks of this sampling. 523 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 524 -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 497 +~1. PAYVER: Defined by AT+PAYVER 525 525 499 +2. PAYLOAD COUNT: Total how many uplinks of this sampling. 500 + 501 +3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 502 + 503 +4. 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 504 + 505 + 526 526 (% 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" %) 527 527 528 528 ... ... @@ -546,27 +546,13 @@ 546 546 547 547 ~* For all other bands: max 51 bytes for each uplink. 548 548 549 -(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;** 550 550 551 -(% style="color:red" %)** and AT+ADR=0, the maximum number ofbytesofeachpayloadis determinedbyheDR value. (Sincev1.4.0)**530 +(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;** 552 552 532 +(% 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)** 553 553 554 -(% style="color:#4f81bd" %)**If the data is empty, return to the display(Since v1.4.0)** 555 555 556 -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**. 557 557 558 - 559 -[[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"]] 560 - 561 - 562 - 563 -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**. 564 - 565 - 566 -[[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"]] 567 - 568 - 569 - 570 570 Below are the uplink payloads: 571 571 572 572 ... ... @@ -602,8 +602,26 @@ 602 602 == 3.4 Uplink Payload == 603 603 604 604 605 -(% 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"]] 571 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %) 572 +|=(% scope="row" style="width: 60px;" %)((( 573 +Size(bytes) 574 +)))|(% style="width:80px" %)1|(% style="width:360px" %)((( 575 +Length depends on the return from the commands 576 +))) 577 +|=(% style="width: 90px;" %)((( 578 +Value 579 +)))|(% style="width:114px" %)((( 580 +PAYLOAD_VER 581 +)))|(% style="width:353px" %)((( 582 +If the valid payload is too long and exceed the maximum 606 606 584 +support payload length in server, server will show payload not 585 + 586 +provided in the LoRaWAN server. 587 +))) 588 + 589 +(% 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"]] 590 + 607 607 (% title="Click and drag to resize" %) 608 608 609 609 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. ... ... @@ -665,7 +665,7 @@ 665 665 666 666 667 667 ((( 668 -This command is used to configure the RS485 devices; they won't be used during sampling. 652 +This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**. 669 669 ))) 670 670 671 671 ((( ... ... @@ -812,14 +812,16 @@ 812 812 ))) 813 813 814 814 815 -1 ) Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0) 799 +**1 ) Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)** 816 816 801 + 817 817 [[image:image-20220824145428-2.png||height="168" width="1300"]] 818 818 819 819 820 -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. 821 821 806 +**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.** 822 822 808 + 823 823 [[image:image-20220824145428-3.png||height="308" width="1200"]] 824 824 825 825 ... ... @@ -945,8 +945,10 @@ 945 945 946 946 ))) 947 947 948 -(% 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" %)934 +(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]] 949 949 936 +(% title="Click and drag to resize" %) 937 + 950 950 (% 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" %) 951 951 952 952 ... ... @@ -1143,15 +1143,10 @@ 1143 1143 1144 1144 ((( 1145 1145 Set the Rs485 serial communication parameters: 1146 - 1147 - 1148 1148 ))) 1149 1149 1150 -* ((( 1151 -(% style="color:#037691" %)** AT Command:** 1152 - 1153 - 1154 - 1136 +((( 1137 +(% style="color:#037691" %)**AT Command:** 1155 1155 ))) 1156 1156 1157 1157 ((( ... ... @@ -1158,7 +1158,7 @@ 1158 1158 * Set Baud Rate 1159 1159 ))) 1160 1160 1161 -(% 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 1144 +(% 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 1162 1162 1163 1163 1164 1164 ((( ... ... @@ -1165,7 +1165,7 @@ 1165 1165 * Set UART Parity 1166 1166 ))) 1167 1167 1168 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1151 +(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1169 1169 1170 1170 1171 1171 ((( ... ... @@ -1172,21 +1172,18 @@ 1172 1172 * Set STOPBIT 1173 1173 ))) 1174 1174 1175 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1158 +(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1176 1176 1177 1177 1178 - 1179 -* ((( 1180 -(% style="color:#037691" %)** Downlink Payload:** 1161 +((( 1162 +(% style="color:#037691" %)**Downlink Payload:** 1181 1181 ))) 1182 1182 1183 1183 ((( 1184 -(% style="color:#4472c4" %)** A7 01 aa bb**: (%%) Same AT+BAUDR=hex(aa bb)*100 1166 +(% style="color:#4472c4" %)** A7 01 aa bb**: (%%) Same AT+BAUDR=hex(aa bb)*100 1185 1185 ))) 1186 1186 1187 1187 ((( 1188 - 1189 - 1190 1190 **Example:** 1191 1191 ))) 1192 1192 ... ... @@ -1208,7 +1208,27 @@ 1208 1208 1209 1209 1210 1210 1191 +==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ==== 1211 1211 1193 + 1194 +* ((( 1195 +(% style="color:#037691" %)** AT Command:** 1196 +))) 1197 + 1198 +(% style="color:#4472c4" %)** AT+DATABIT=7 **(%%)~/~/ Set the data bits to 7 1199 + 1200 +(% style="color:#4472c4" %)** AT+DATABIT=8 **(%%)~/~/ Set the data bits to 8 1201 + 1202 +* ((( 1203 +(% style="color:#037691" %)**Downlink Payload:** 1204 +))) 1205 + 1206 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as AT+DATABIT=7 1207 + 1208 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as AT+DATABIT=8 1209 + 1210 + 1211 + 1212 1212 ==== (% style="color:blue" %)**Encrypted payload**(%%) ==== 1213 1213 1214 1214 ((( ... ... @@ -1284,20 +1284,17 @@ 1284 1284 1285 1285 (% 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. 1286 1286 1287 - 1288 1288 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. 1289 1289 1290 1290 1291 1291 [[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"]] 1292 1292 1293 - 1294 - 1295 1295 For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77. 1296 1296 1297 1297 1295 + 1298 1298 [[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"]] 1299 1299 1300 - 1301 1301 For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned. 1302 1302 1303 1303 ... ... @@ -1339,7 +1339,7 @@ 1339 1339 (% style="color:#037691" %)**Downlink Payload:** 1340 1340 ))) 1341 1341 1342 -(% style="color:#4472c4" %)** A6 aa bb bb ** (%%) ~/~/same as AT+RXMODE=aa,bb 1339 +(% style="color:#4472c4" %)** A6 aa bb bb ** (%%) ~/~/ same as AT+RXMODE=aa,bb 1343 1343 1344 1344 [[image:image-20220824144240-1.png]] 1345 1345 ... ... @@ -1433,6 +1433,8 @@ 1433 1433 1434 1434 ((( 1435 1435 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 1433 + 1434 + 1436 1436 ))) 1437 1437 1438 1438 ((( ... ... @@ -1454,24 +1454,20 @@ 1454 1454 == 3.7 Buttons == 1455 1455 1456 1456 1457 -(% border="1" cellspacing=" 10" style="background-color:#f7faff; width:430px" %)1458 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 3 61px;" %)**Feature**1456 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %) 1457 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature** 1459 1459 |(% 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** 1460 1460 |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1461 1461 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1462 1462 1463 - 1464 - 1465 1465 == 3.8 LEDs == 1466 1466 1467 1467 1468 -(% border="1" cellspacing=" 10" style="background-color:#f7faff; width:430px" %)1465 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %) 1469 1469 |=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1470 1470 |**PWR**|Always on if there is power 1471 1471 |**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. 1472 1472 1473 - 1474 - 1475 1475 = 4. Case Study = 1476 1476 1477 1477 ... ... @@ -1670,7 +1670,7 @@ 1670 1670 == 6.5 Can i use point to point communication for RS485-LN? == 1671 1671 1672 1672 1673 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1668 +Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]],then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1674 1674 1675 1675 1676 1676 ... ... @@ -1680,7 +1680,106 @@ 1680 1680 [[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/]] 1681 1681 1682 1682 1678 +== 6.7 How to judge whether there is a problem with the set COMMAND == 1683 1683 1680 +=== Introduce: === 1681 + 1682 + 1683 +Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to: 1684 + 1685 +1. Test if Modbus-MTU works with PC commands. 1686 +1. Check if RS485-LN sent the expected command to Mobus-MTU 1687 +1. Check if Modbus-MTU return back the expected result to RS485-LN. 1688 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output. 1689 + 1690 +[[image:image-20221130104310-1.png||height="380" width="680"]] 1691 + 1692 + 1693 +Example Connection: 1694 + 1695 +[[image:image-20221130104310-2.png]] 1696 + 1697 + 1698 +=== Set up PC to monitor RS485 network === 1699 + 1700 +=== With Serial tool === 1701 + 1702 +Note: Receive and send set to hex mode 1703 + 1704 +[[image:image-20221130104310-3.png||height="616" width="714"]] 1705 + 1706 + 1707 +=== With ModRSsim2: === 1708 + 1709 +(1)Select serial port MODBUS RS-232 1710 + 1711 +[[image:image-20221130104310-4.png||height="390" width="865"]] 1712 + 1713 + 1714 +(2)Click the serial port icon 1715 + 1716 +[[image:image-20221130104310-5.png||height="392" width="870"]] 1717 + 1718 + 1719 +(3)After selecting the correct serial port and baud rate, click ok 1720 + 1721 +[[image:image-20221130104310-6.png]] 1722 + 1723 +(4)Click the comms. 1724 + 1725 +[[image:image-20221130104310-7.png||height="376" width="835"]] 1726 + 1727 +=== Run RS485-LN/BL command and monitor if it is correct. === 1728 + 1729 +=== Example – Test the CFGDEV command === 1730 + 1731 +RS485-LN sent below command: 1732 + 1733 +AT+CFGDEV=01 03 20 00 01 85 c0,1 to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool. 1734 + 1735 + 1736 +We can see the output from the Serial port tool to analyze. And check if they are expected result. 1737 + 1738 +[[image:image-20221130104310-8.png||height="214" width="797"]] 1739 + 1740 +We can also use ModRSsim2 to see the output. 1741 + 1742 +[[image:image-20221130104310-9.png||height="531" width="729"]] 1743 + 1744 + 1745 + 1746 +=== Example – Test CMD command sets. === 1747 + 1748 +Run AT+SENSORVALUE=1 to test the CMD commands set in RS485-LN. 1749 + 1750 + 1751 +Serial port tool: 1752 + 1753 +[[image:image-20221130104310-10.png||height="339" width="844"]] 1754 + 1755 +ModRSsim2: 1756 + 1757 +[[image:image-20221130104310-11.png||height="281" width="962"]] 1758 + 1759 + 1760 + 1761 +=== Test with PC === 1762 + 1763 +If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result. 1764 + 1765 + 1766 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN. 1767 + 1768 +Connection method: 1769 + 1770 +[[image:image-20221130104310-12.png]] 1771 + 1772 +Link situation: 1773 + 1774 +[[image:image-20221130104310-13.png||height="458" width="486"]] 1775 + 1776 +[[image:image-20221130104310-14.png||height="371" width="823"]] 1777 + 1684 1684 = 7. Trouble Shooting = 1685 1685 1686 1686 ... ... @@ -1716,8 +1716,6 @@ 1716 1716 * (% style="color:red" %)**RU864**(%%): frequency bands RU864 1717 1717 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1718 1718 1719 - 1720 - 1721 1721 = 9.Packing Info = 1722 1722 1723 1723 ... ... @@ -1734,8 +1734,6 @@ 1734 1734 * Package Size / pcs : 14.5 x 8 x 5 cm 1735 1735 * Weight / pcs : 170g 1736 1736 1737 - 1738 - 1739 1739 = 10. FCC Caution for RS485LN-US915 = 1740 1740 1741 1741
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