Summary

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

Details

Page properties

Content

...	...	@@ -743,7 +743,7 @@
743	743
744	744	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
745	745
746		-Example screen shot after clear all RS485 commands.
	746	+Example screen shot after clear all RS485 commands.
747	747
748	748
749	749	The uplink screen shot is:
...	...	@@ -757,6 +757,29 @@
757	757
758	758
759	759
	760	+==== **Clear RS485 Command** ====
	761	+
	762	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	763	+
	764	+
	765	+* **AT Command:**
	766	+
	767	+(% 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
	768	+
	769	+Example screen shot after clear all RS485 commands.
	770	+
	771	+
	772	+The uplink screen shot is:
	773	+
	774	+[[image:1654134704555-320.png]]
	775	+
	776	+
	777	+* **Downlink Payload:**
	778	+
	779	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	780	+
	781	+
	782	+
760	760	==== **Set Serial Communication Parameters** ====
761	761
762	762	Set the Rs485 serial communication parameters:
...	...	@@ -799,45 +799,22 @@
799	799	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
800	800
801	801
802		-== 3.6 Listening mode for RS485 network ==
803	803
804		-This feature support since firmware v1.4
	826	+==== **Control output power duration** ====
805	805
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.
	828	+User can set the output power duration before each sampling.
807	807
808		-[[image:image-20220602171200-8.png||height="567" width="1007"]]
	830	+* **AT Command:**
809	809
810		-To enable the listening mode, use can run the command AT+RXMODE.
	832	+**Example:**
811	811
	834	+**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
812	812
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)
	836	+**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
819	819
820		-**Downlink Command:**
821	821
822		-**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	839	+* **LoRaWAN Downlink Command:**
823	823
	841	+**07 01 aa bb**  Same as AT+5VT=(aa bb)
824	824
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		-==== ====
	843	+**07 02 aa bb**  Same as AT+3V3T=(aa bb)

image-20220602171200-8.png

Author

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

Size

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

Content

image-20220602171200-9.png

Author

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

Size

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

Content