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 -XWiki. Xiaoling1 +XWiki.Bei - Content
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... ... @@ -64,7 +64,7 @@ 64 64 65 65 (% style="color:#037691" %)**Hardware System:** 66 66 67 -* STM32L072 CZT6MCU67 +* STM32L072xxxx MCU 68 68 * SX1276/78 Wireless Chip 69 69 * Power Consumption (exclude RS485 device): 70 70 ** Idle: 32mA@12v ... ... @@ -96,9 +96,6 @@ 96 96 * Automatic RF Sense and CAD with ultra-fast AFC. 97 97 * Packet engine up to 256 bytes with CRC 98 98 99 - 100 - 101 - 102 102 == 1.3 Features == 103 103 104 104 ... ... @@ -111,9 +111,6 @@ 111 111 * Support Modbus protocol 112 112 * Support Interrupt uplink (Since hardware version v1.2) 113 113 114 - 115 - 116 - 117 117 == 1.4 Applications == 118 118 119 119 ... ... @@ -124,9 +124,6 @@ 124 124 * Smart Cities 125 125 * Smart Factory 126 126 127 - 128 - 129 - 130 130 == 1.5 Firmware Change log == 131 131 132 132 ... ... @@ -358,9 +358,6 @@ 358 358 ))) 359 359 ))) 360 360 361 - 362 - 363 - 364 364 === 3.3.2 Configure sensors === 365 365 366 366 ... ... @@ -388,9 +388,6 @@ 388 388 ))) 389 389 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 390 390 391 - 392 - 393 - 394 394 === 3.3.3 Configure read commands for each sampling === 395 395 396 396 ... ... @@ -1474,9 +1474,6 @@ 1474 1474 |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1475 1475 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1476 1476 1477 - 1478 - 1479 - 1480 1480 == 3.8 LEDs == 1481 1481 1482 1482 ... ... @@ -1485,9 +1485,6 @@ 1485 1485 |**PWR**|Always on if there is power 1486 1486 |**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. 1487 1487 1488 - 1489 - 1490 - 1491 1491 = 4. Case Study = 1492 1492 1493 1493 ... ... @@ -1696,7 +1696,107 @@ 1696 1696 [[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/]] 1697 1697 1698 1698 1678 +== 6.7 How to judge whether there is a problem with the set COMMAND == 1699 1699 1680 +=== 6.7.1 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 +=== 6.7.2 Set up PC to monitor RS485 network With Serial tool === 1699 + 1700 +Note: Receive and send set to hex mode 1701 + 1702 +[[image:image-20221130104310-3.png||height="616" width="714"]] 1703 + 1704 + 1705 +=== 6.7.3 With ModRSsim2: === 1706 + 1707 +(1)Select serial port MODBUS RS-232 1708 + 1709 +[[image:image-20221130104310-4.png||height="390" width="865"]] 1710 + 1711 + 1712 +(2)Click the serial port icon 1713 + 1714 +[[image:image-20221130104310-5.png||height="392" width="870"]] 1715 + 1716 + 1717 +(3)After selecting the correct serial port and baud rate, click ok 1718 + 1719 +[[image:image-20221130104310-6.png]] 1720 + 1721 +(4)Click the comms. 1722 + 1723 +[[image:image-20221130104310-7.png||height="376" width="835"]] 1724 + 1725 +(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %) 1726 +Run RS485-LN/BL command and monitor if it is correct. 1727 + 1728 + 1729 +=== 6.7.4 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 +=== 6.7.5 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 +=== 6.7.6 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 + 1778 + 1700 1700 = 7. Trouble Shooting = 1701 1701 1702 1702 ... ... @@ -1732,9 +1732,6 @@ 1732 1732 * (% style="color:red" %)**RU864**(%%): frequency bands RU864 1733 1733 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1734 1734 1735 - 1736 - 1737 - 1738 1738 = 9.Packing Info = 1739 1739 1740 1740 ... ... @@ -1751,9 +1751,6 @@ 1751 1751 * Package Size / pcs : 14.5 x 8 x 5 cm 1752 1752 * Weight / pcs : 170g 1753 1753 1754 - 1755 - 1756 - 1757 1757 = 10. FCC Caution for RS485LN-US915 = 1758 1758 1759 1759
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