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...	...	@@ -585,6 +585,7 @@
585	585	**AT+PAYVER: Set PAYVER field = 1**
586	586	)))
587	587
	588	+
588	588	* **Downlink Payload:**
589	589
590	590	**0xAE 01**  ~-~-> Set PAYVER field =  0x01
...	...	@@ -595,9 +595,9 @@
595	595
596	596	==== **Set RS485 Sampling Commands** ====
597	597
598		-AT+COMMANDx or AT+DATACUTx
	599	+AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
599	599
600		-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"]].
	601	+These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
601	601
602	602
603	603	* **AT Command:**
...	...	@@ -612,7 +612,12 @@
612	612	**AT+DATACUTx: Configure how to handle return from RS485 devices.**
613	613	)))
614	614
	616	+(% class="box infomessage" %)
	617	+(((
	618	+**AT+SEARCHx: Configure search command**
	619	+)))
615	615
	621	+
616	616	* **Downlink Payload:**
617	617
618	618	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
...	...	@@ -627,7 +627,7 @@
627	627	* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
628	628	* LL:  The length of AT+COMMAND or AT+DATACUT command
629	629	* XX XX XX XX: AT+COMMAND or AT+DATACUT command
630		-* 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.
	636	+* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
631	631
632	632	**Example:**
633	633
...	...	@@ -638,7 +638,17 @@
638	638	(% 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**
639	639
640	640
	647	+**0xAB** downlink command can be used for set AT+SEARCHx
641	641
	649	+**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	650	+
	651	+* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
	652	+* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
	653	+
	654	+**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	655	+
	656	+
	657	+
642	642	==== **Fast command to handle MODBUS device** ====
643	643
644	644	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]].
...	...	@@ -645,21 +645,33 @@
645	645
646	646	This command is valid since v1.3 firmware version
647	647
648		-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.
649	649
	665	+**AT+MBFUN has only two value:**
650	650
	667	+* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
	668	+
	669	+AT+MBFUN=1, device 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.
	670	+
	671	+* **AT+MBFUN=0**: Disable Modbus fast reading.
	672	+
651	651	**Example:**
652	652
653		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
	675	+* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
654	654	* 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.
655	655	* 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.
656	656
657		-[[image:image-20220602165351-6.png]]
	679	+[[image:1654133913295-597.png]]
658	658
659		-[[image:image-20220602165351-7.png]]
660	660
	682	+[[image:1654133954153-643.png]]
661	661
662	662
	685	+* **Downlink Commands:**
	686	+
	687	+**A9 aa** ~-~-> Same as AT+MBFUN=aa
	688	+
	689	+
	690	+
663	663	==== **RS485 command timeout** ====
664	664
665	665	Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.