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704	704
705	705	==== **Set RS485 Sampling Commands** ====
706	706
	707	+(((
707	707	AT+COMMANDx or AT+DATACUTx
	709	+)))
708	708
	711	+(((
709	709	These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	713	+)))
710	710
	715	+(((
	716	+
	717	+)))
711	711
712		-* **AT Command:**
	719	+* (((
	720	+**AT Command:**
	721	+)))
713	713
714	714	(% class="box infomessage" %)
715	715	(((
	725	+(((
716	716	**AT+COMMANDx: Configure RS485 read command to sensor.**
717	717	)))
	728	+)))
718	718
719	719	(% class="box infomessage" %)
720	720	(((
	732	+(((
721	721	**AT+DATACUTx: Configure how to handle return from RS485 devices.**
722	722	)))
	735	+)))
723	723
	737	+(((
	738	+
	739	+)))
724	724
725		-* **Downlink Payload:**
	741	+* (((
	742	+**Downlink Payload:**
	743	+)))
726	726
	745	+(((
727	727	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	747	+)))
728	728
	749	+(((
729	729	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	751	+)))
730	730
	753	+(((
731	731	Format: AF MM NN LL XX XX XX XX YY
	755	+)))
732	732
	757	+(((
733	733	Where:
	759	+)))
734	734
735		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
736		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
737		-* LL:  The length of AT+COMMAND or AT+DATACUT command
738		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
739		-* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	761	+* (((
	762	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	763	+)))
	764	+* (((
	765	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	766	+)))
	767	+* (((
	768	+LL:  The length of AT+COMMAND or AT+DATACUT command
	769	+)))
	770	+* (((
	771	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	772	+)))
	773	+* (((
	774	+YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	775	+)))
740	740
	777	+(((
741	741	**Example:**
	779	+)))
742	742
	781	+(((
743	743	(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
	783	+)))
744	744
	785	+(((
745	745	(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
	787	+)))
746	746
	789	+(((
747	747	(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
	791	+)))
748	748
749	749
750	750
	795	+
751	751	==== **Fast command to handle MODBUS device** ====
752	752
	798	+(((
753	753	AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	800	+)))
754	754
	802	+(((
755	755	This command is valid since v1.3 firmware version
	804	+)))
756	756
	806	+(((
757	757	AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	808	+)))
758	758
	810	+(((
	811	+
	812	+)))
759	759
	814	+(((
760	760	**Example:**
	816	+)))
761	761
762		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
763		-* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
764		-* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
	818	+* (((
	819	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
	820	+)))
	821	+* (((
	822	+AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
	823	+)))
	824	+* (((
	825	+AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
	826	+)))
765	765
766	766	[[image:image-20220602165351-6.png]]
767	767
...	...	@@ -769,144 +769,260 @@
769	769
770	770
771	771
	834	+
772	772	==== **RS485 command timeout** ====
773	773
	837	+(((
774	774	Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
	839	+)))
775	775
	841	+(((
776	776	Default value: 0, range:  0 ~~ 65 seconds
	843	+)))
777	777
778		-* **AT Command:**
	845	+* (((
	846	+**AT Command:**
	847	+)))
779	779
780	780	(% class="box infomessage" %)
781	781	(((
	851	+(((
782	782	**AT+CMDDLaa=hex(bb cc)*1000**
783	783	)))
	854	+)))
784	784
	856	+(((
785	785	**Example:**
	858	+)))
786	786
	860	+(((
787	787	**AT+CMDDL1=1000** to send the open time to 1000ms
	862	+)))
788	788
	864	+(((
	865	+
	866	+)))
789	789
790		-* **Downlink Payload:**
	868	+* (((
	869	+**Downlink Payload:**
	870	+)))
791	791
	872	+(((
792	792	**0x AA aa bb cc**
	874	+)))
793	793
	876	+(((
794	794	Same as: AT+CMDDLaa=hex(bb cc)*1000
	878	+)))
795	795
	880	+(((
796	796	**Example:**
	882	+)))
797	797
	884	+(((
798	798	0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	886	+)))
799	799
800	800
801	801
	890	+
802	802	==== **Uplink payload mode** ====
803	803
	893	+(((
804	804	Define to use one uplink or multiple uplinks for the sampling.
	895	+)))
805	805
	897	+(((
806	806	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	899	+)))
807	807
808		-* **AT Command:**
	901	+* (((
	902	+**AT Command:**
	903	+)))
809	809
810	810	(% class="box infomessage" %)
811	811	(((
	907	+(((
812	812	**AT+DATAUP=0**
813	813	)))
	910	+)))
814	814
815	815	(% class="box infomessage" %)
816	816	(((
	914	+(((
817	817	**AT+DATAUP=1**
818	818	)))
	917	+)))
819	819
	919	+(((
	920	+
	921	+)))
820	820
821		-* **Downlink Payload:**
	923	+* (((
	924	+**Downlink Payload:**
	925	+)))
822	822
	927	+(((
823	823	**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	929	+)))
824	824
	931	+(((
825	825	**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	933	+)))
826	826
827	827
828	828
	937	+
829	829	==== **Manually trigger an Uplink** ====
830	830
	940	+(((
831	831	Ask device to send an uplink immediately.
	942	+)))
832	832
833		-* **AT Command:**
	944	+* (((
	945	+**AT Command:**
	946	+)))
834	834
	948	+(((
835	835	No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	950	+)))
836	836
	952	+(((
	953	+
	954	+)))
837	837
838		-* **Downlink Payload:**
	956	+* (((
	957	+**Downlink Payload:**
	958	+)))
839	839
	960	+(((
840	840	**0x08 FF**, RS485-LN will immediately send an uplink.
	962	+)))
841	841
842	842
843	843
	966	+
844	844	==== **Clear RS485 Command** ====
845	845
	969	+(((
846	846	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	971	+)))
847	847
848		-* **AT Command:**
	973	+* (((
	974	+**AT Command:**
	975	+)))
849	849
	977	+(((
850	850	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	979	+)))
851	851
	981	+(((
852	852	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	983	+)))
853	853
	985	+(((
854	854	Example screen shot after clear all RS485 commands.
	987	+)))
855	855
	989	+(((
	990	+
	991	+)))
856	856
	993	+(((
857	857	The uplink screen shot is:
	995	+)))
858	858
859	859	[[image:1654160691922-496.png]]
860	860
861	861
862		-* **Downlink Payload:**
	1000	+* (((
	1001	+**Downlink Payload:**
	1002	+)))
863	863
	1004	+(((
864	864	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1006	+)))
865	865
866	866
867	867
	1010	+
868	868	==== **Set Serial Communication Parameters** ====
869	869
	1013	+(((
870	870	Set the Rs485 serial communication parameters:
	1015	+)))
871	871
872		-* **AT Command:**
	1017	+* (((
	1018	+**AT Command:**
	1019	+)))
873	873
	1021	+(((
874	874	Set Baud Rate:
	1023	+)))
875	875
876	876	(% class="box infomessage" %)
877	877	(((
	1027	+(((
878	878	**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
879	879	)))
	1030	+)))
880	880
	1032	+(((
881	881	Set UART Parity
	1034	+)))
882	882
883	883	(% class="box infomessage" %)
884	884	(((
	1038	+(((
885	885	**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
886	886	)))
	1041	+)))
887	887
	1043	+(((
888	888	Set STOPBIT
	1045	+)))
889	889
890	890	(% class="box infomessage" %)
891	891	(((
	1049	+(((
892	892	**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
893	893	)))
	1052	+)))
894	894
	1054	+(((
	1055	+
	1056	+)))
895	895
896		-* **Downlink Payload:**
	1058	+* (((
	1059	+**Downlink Payload:**
	1060	+)))
897	897
	1062	+(((
898	898	**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1064	+)))
899	899
	1066	+(((
900	900	**Example:**
	1068	+)))
901	901
902		-* A7 01 00 60   same as AT+BAUDR=9600
903		-* A7 01 04 80  same as AT+BAUDR=115200
	1070	+* (((
	1071	+A7 01 00 60   same as AT+BAUDR=9600
	1072	+)))
	1073	+* (((
	1074	+A7 01 04 80  same as AT+BAUDR=115200
	1075	+)))
904	904
	1077	+(((
905	905	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1079	+)))
906	906
	1081	+(((
907	907	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1083	+)))
908	908
909	909
	1086	+
	1087	+
910	910	== 3.6 Listening mode for RS485 network ==
911	911
912	912	This feature support since firmware v1.4