Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 95.1 >
edited by Bei Jinggeng
on 2022/11/30 10:47
To version < 79.6 >
edited by Xiaoling
on 2022/10/27 11:03
>
Change comment: There is no comment for this version

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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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64 64  
65 65  (% style="color:#037691" %)**Hardware System:**
66 66  
67 -* STM32L072xxxx MCU
67 +* STM32L072CZT6 MCU
68 68  * SX1276/78 Wireless Chip 
69 69  * Power Consumption (exclude RS485 device):
70 70  ** Idle: 32mA@12v
... ... @@ -97,6 +97,7 @@
97 97  * Packet engine up to 256 bytes with CRC
98 98  
99 99  
100 +
100 100  == 1.3 Features ==
101 101  
102 102  
... ... @@ -110,6 +110,7 @@
110 110  * Support Interrupt uplink (Since hardware version v1.2)
111 111  
112 112  
114 +
113 113  == 1.4 Applications ==
114 114  
115 115  
... ... @@ -121,6 +121,7 @@
121 121  * Smart Factory
122 122  
123 123  
126 +
124 124  == 1.5 Firmware Change log ==
125 125  
126 126  
... ... @@ -353,6 +353,7 @@
353 353  )))
354 354  
355 355  
359 +
356 356  === 3.3.2 Configure sensors ===
357 357  
358 358  
... ... @@ -381,6 +381,7 @@
381 381  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
382 382  
383 383  
388 +
384 384  === 3.3.3 Configure read commands for each sampling ===
385 385  
386 386  
... ... @@ -1191,26 +1191,23 @@
1191 1191  )))
1192 1192  
1193 1193  
1194 -
1195 -
1196 1196  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1197 1197  
1198 -
1199 1199  * (((
1200 1200  (% style="color:#037691" %)** AT Command:**
1201 1201  )))
1202 1202  
1203 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1205 +**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1204 1204  
1205 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1207 +**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1206 1206  
1207 1207  * (((
1208 1208  (% style="color:#037691" %)**Downlink Payload:**
1209 1209  )))
1210 1210  
1211 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1213 +**~ A7 04 07**: Same as  AT+DATABIT=7
1212 1212  
1213 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1215 +**~ A7 04 08**: Same as  AT+DATABIT=8
1214 1214  
1215 1215  
1216 1216  
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1465 1465  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1466 1466  
1467 1467  
1470 +
1468 1468  == 3.8 LEDs ==
1469 1469  
1470 1470  
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1672 1672  == 6.5 Can i use point to point communication for RS485-LN? ==
1673 1673  
1674 1674  
1675 -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]].
1678 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1676 1676  
1677 1677  
1678 1678  
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1682 1682  [[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/]]
1683 1683  
1684 1684  
1685 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1686 1686  
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 -
1785 1785  = 7. Trouble Shooting =
1786 1786  
1787 1787  
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1818 1818  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1819 1819  
1820 1820  
1725 +
1821 1821  = 9.Packing Info =
1822 1822  
1823 1823  
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1835 1835  * Weight / pcs : 170g
1836 1836  
1837 1837  
1743 +
1838 1838  = 10. FCC Caution for RS485LN-US915 =
1839 1839  
1840 1840  
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