Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 2 added, 0 removed)
  • image-20220602171200-8.png
  • image-20220602171200-9.png

Details

Page properties

Content

...	...	@@ -721,27 +721,34 @@
721	721
722	722	Ask device to send an uplink immediately.
723	723
	724	+* **AT Command:**
	725	+
	726	+No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
	727	+
	728	+
724	724	* **Downlink Payload:**
725	725
726		-**0x08 FF**, RS485-BL will immediately send an uplink.
	731	+**0x08 FF**, RS485-LN will immediately send an uplink.
727	727
728	728
	734	+==== ====
729	729
730	730	==== **Clear RS485 Command** ====
731	731
732	732	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
733	733
734		-
735	735	* **AT Command:**
736	736
737		-(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	742	+**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
738	738
	744	+Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	745	+
739	739	Example screen shot after clear all RS485 commands.
740	740
741	741
742	742	The uplink screen shot is:
743	743
744		-[[image:1654134704555-320.png]]
	751	+[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
745	745
746	746
747	747	* **Downlink Payload:**
...	...	@@ -792,22 +792,45 @@
792	792	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
793	793
794	794
	802	+== 3.6 Listening mode for RS485 network ==
795	795
796		-==== **Control output power duration** ====
	804	+This feature support since firmware v1.4
797	797
798		-User can set the output power duration before each sampling.
	806	+RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
799	799
800		-* **AT Command:**
	808	+[[image:image-20220602171200-8.png||height="567" width="1007"]]
801	801
802		-**Example:**
	810	+To enable the listening mode, use can run the command AT+RXMODE.
803	803
804		-**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
805	805
806		-**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
	813	+(% border="1" style="background-color:#ffffcc; width:500px" %)
	814	+|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
	815	+|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
	816	+|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
	817	+|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
	818	+|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
807	807
	820	+**Downlink Command:**
808	808
809		-* **LoRaWAN Downlink Command:**
	822	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
810	810
811		-**07 01 aa bb**  Same as AT+5VT=(aa bb)
812	812
813		-**07 02 aa bb**  Same as AT+3V3T=(aa bb)
	825	+**Example**:
	826	+
	827	+The RS485-LN is set to AT+RXMODE=2,1000
	828	+
	829	+There is a two Modbus commands in the RS485 network as below:
	830	+
	831	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	832	+
	833	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	834	+
	835	+RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	836	+
	837	+[[image:image-20220602171200-9.png]]
	838	+
	839	+
	840	+Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
	841	+
	842	+
	843	+==== ====

image-20220602171200-8.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+276.1 KB

Content

image-20220602171200-9.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+10.0 KB

Content