Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 97.1 >
edited by Bei Jinggeng
on 2022/11/30 10:55
To version < 93.1 >
edited by Bei Jinggeng
on 2022/11/30 10:43
>
Change comment: Uploaded new attachment "image-20221130104310-13.png", version {1}

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Content
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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 +
99 99  == 1.3 Features ==
100 100  
101 101  
... ... @@ -108,6 +108,8 @@
108 108  * Support Modbus protocol
109 109  * Support Interrupt uplink (Since hardware version v1.2)
110 110  
113 +
114 +
111 111  == 1.4 Applications ==
112 112  
113 113  
... ... @@ -118,6 +118,8 @@
118 118  * Smart Cities
119 119  * Smart Factory
120 120  
125 +
126 +
121 121  == 1.5 Firmware Change log ==
122 122  
123 123  
... ... @@ -349,6 +349,8 @@
349 349  )))
350 350  )))
351 351  
358 +
359 +
352 352  === 3.3.2 Configure sensors ===
353 353  
354 354  
... ... @@ -376,6 +376,8 @@
376 376  )))
377 377  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
378 378  
387 +
388 +
379 379  === 3.3.3 Configure read commands for each sampling ===
380 380  
381 381  
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1459 1459  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1460 1460  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1461 1461  
1472 +
1473 +
1462 1462  == 3.8 LEDs ==
1463 1463  
1464 1464  
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1467 1467  |**PWR**|Always on if there is power
1468 1468  |**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.
1469 1469  
1482 +
1483 +
1470 1470  = 4. Case Study =
1471 1471  
1472 1472  
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1675 1675  [[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/]]
1676 1676  
1677 1677  
1678 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1679 1679  
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 -
1779 1779  = 7. Trouble Shooting =
1780 1780  
1781 1781  
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1811 1811  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1812 1812  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1813 1813  
1728 +
1729 +
1814 1814  = 9.Packing Info =
1815 1815  
1816 1816  
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1827 1827  * Package Size / pcs : 14.5 x 8 x 5 cm
1828 1828  * Weight / pcs : 170g
1829 1829  
1746 +
1747 +
1830 1830  = 10. FCC Caution for RS485LN-US915 =
1831 1831  
1832 1832  
image-20221130104310-14.png
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