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 < 80.1 >
edited by Bei Jinggeng
on 2022/10/28 17:05
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -64,7 +64,7 @@
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
... ... @@ -1195,22 +1195,21 @@
1195 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
1202 +**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1204 1204  
1205 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1204 +**~ 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
1210 +**~ A7 04 07**: Same as  AT+DATABIT=7
1212 1212  
1213 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1212 +**~ A7 04 08**: Same as  AT+DATABIT=8
1214 1214  
1215 1215  
1216 1216  
... ... @@ -1682,106 +1682,7 @@
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  
image-20221130104310-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -82.0 KB
Content
image-20221130104310-10.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -17.4 KB
Content
image-20221130104310-11.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -27.7 KB
Content
image-20221130104310-12.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -392.9 KB
Content
image-20221130104310-13.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -23.3 KB
Content
image-20221130104310-14.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -25.4 KB
Content
image-20221130104310-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -392.9 KB
Content
image-20221130104310-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -30.4 KB
Content
image-20221130104310-4.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -25.8 KB
Content
image-20221130104310-5.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -22.9 KB
Content
image-20221130104310-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -12.9 KB
Content
image-20221130104310-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -25.1 KB
Content
image-20221130104310-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -9.9 KB
Content
image-20221130104310-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -29.1 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0