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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... ... @@ -97,7 +97,6 @@ 97 97 * Packet engine up to 256 bytes with CRC 98 98 99 99 100 - 101 101 == 1.3 Features == 102 102 103 103 ... ... @@ -111,7 +111,6 @@ 111 111 * Support Interrupt uplink (Since hardware version v1.2) 112 112 113 113 114 - 115 115 == 1.4 Applications == 116 116 117 117 ... ... @@ -123,7 +123,6 @@ 123 123 * Smart Factory 124 124 125 125 126 - 127 127 == 1.5 Firmware Change log == 128 128 129 129 ... ... @@ -356,7 +356,6 @@ 356 356 ))) 357 357 358 358 359 - 360 360 === 3.3.2 Configure sensors === 361 361 362 362 ... ... @@ -385,7 +385,6 @@ 385 385 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 386 386 387 387 388 - 389 389 === 3.3.3 Configure read commands for each sampling === 390 390 391 391 ... ... @@ -1470,7 +1470,6 @@ 1470 1470 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1471 1471 1472 1472 1473 - 1474 1474 == 3.8 LEDs == 1475 1475 1476 1476 ... ... @@ -1480,7 +1480,6 @@ 1480 1480 |**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. 1481 1481 1482 1482 1483 - 1484 1484 = 4. Case Study = 1485 1485 1486 1486 ... ... @@ -1689,7 +1689,106 @@ 1689 1689 [[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/]] 1690 1690 1691 1691 1685 +== 6.7 How to judge whether there is a problem with the set COMMAND == 1692 1692 1687 += Introduce: = 1688 + 1689 + 1690 +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: 1691 + 1692 +1. Test if Modbus-MTU works with PC commands. 1693 +1. Check if RS485-LN sent the expected command to Mobus-MTU 1694 +1. Check if Modbus-MTU return back the expected result to RS485-LN. 1695 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output. 1696 + 1697 +[[image:image-20221130104310-1.png||height="380" width="680"]] 1698 + 1699 + 1700 +Example Connection: 1701 + 1702 +[[image:image-20221130104310-2.png]] 1703 + 1704 + 1705 += Set up PC to monitor RS485 network = 1706 + 1707 +== With Serial tool == 1708 + 1709 +Note: Receive and send set to hex mode 1710 + 1711 +[[image:image-20221130104310-3.png||height="616" width="714"]] 1712 + 1713 + 1714 +== With ModRSsim2: == 1715 + 1716 +(1)Select serial port MODBUS RS-232 1717 + 1718 +[[image:image-20221130104310-4.png||height="390" width="865"]] 1719 + 1720 + 1721 +(2)Click the serial port icon 1722 + 1723 +[[image:image-20221130104310-5.png||height="392" width="870"]] 1724 + 1725 + 1726 +(3)After selecting the correct serial port and baud rate, click ok 1727 + 1728 +[[image:image-20221130104310-6.png]] 1729 + 1730 +(4)Click the comms. 1731 + 1732 +[[image:image-20221130104310-7.png||height="376" width="835"]] 1733 + 1734 += Run RS485-LN/BL command and monitor if it is correct. = 1735 + 1736 +== Example – Test the CFGDEV command == 1737 + 1738 +RS485-LN sent below command: 1739 + 1740 +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. 1741 + 1742 + 1743 +We can see the output from the Serial port tool to analyze. And check if they are expected result. 1744 + 1745 +[[image:image-20221130104310-8.png||height="214" width="797"]] 1746 + 1747 +We can also use ModRSsim2 to see the output. 1748 + 1749 +[[image:image-20221130104310-9.png||height="531" width="729"]] 1750 + 1751 + 1752 + 1753 +== Example – Test CMD command sets. == 1754 + 1755 +Run AT+SENSORVALUE=1 to test the CMD commands set in RS485-LN. 1756 + 1757 + 1758 +Serial port tool: 1759 + 1760 +[[image:image-20221130104310-10.png||height="339" width="844"]] 1761 + 1762 +ModRSsim2: 1763 + 1764 +[[image:image-20221130104310-11.png||height="281" width="962"]] 1765 + 1766 + 1767 + 1768 += **Test with PC** = 1769 + 1770 +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. 1771 + 1772 + 1773 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN. 1774 + 1775 +Connection method: 1776 + 1777 +[[image:image-20221130104310-12.png]] 1778 + 1779 +Link situation: 1780 + 1781 +[[image:image-20221130104310-13.png||height="458" width="486"]] 1782 + 1783 +[[image:image-20221130104310-14.png||height="371" width="823"]] 1784 + 1693 1693 = 7. Trouble Shooting = 1694 1694 1695 1695 ... ... @@ -1726,7 +1726,6 @@ 1726 1726 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1727 1727 1728 1728 1729 - 1730 1730 = 9.Packing Info = 1731 1731 1732 1732 ... ... @@ -1744,7 +1744,6 @@ 1744 1744 * Weight / pcs : 170g 1745 1745 1746 1746 1747 - 1748 1748 = 10. FCC Caution for RS485LN-US915 = 1749 1749 1750 1750
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