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374	374	== 2.5 Show data on Application Server ==
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376	376	Application platform provides a human friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
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379	379	(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
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381	381	(% style="color:blue" %)**Step 2**(%%): Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
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383	383	[[image:1656051197172-131.png]]
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466	466	== 3.3 Add or Delete RS485 Sensor ==
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468	468	Feature: User can add or delete 3^^rd^^ party sensor as long they are RS485/Modbus interface,baud rate support 9600.Maximum can add 4 sensors.
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470	470	(% style="color:#037691" %)**AT Command: **
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472	472	(% style="color:blue" %)**AT+DYSENSOR=Type_Code, Query_Length, Query_Command , Read_Length , Valid_Data ,has_CRC,timeout**
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474		-* Type_Code range:  A1 ~~ A4
475		-* Query_Length:  RS485 Query frame length, Value cannot be greater than 10
476		-* Query_Command:  RS485 Query frame data to be sent to sensor, cannot be larger than 10 bytes
477		-* Read_Length:  RS485 response frame length supposed to receive. Max can receive
478		-* Valid_Data:  valid data from RS485 Response, Valid Data will be added to Payload and upload via LoRaWAN.
479		-* has_CRC:  RS485 Response crc check  (0: no verification required 1: verification required). If CRC=1 and CRC error, valid data will be set to 0.
480		-* timeout:  RS485 receive timeout (uint:ms). Device will close receive window after timeout
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	490	+Type_Code range:  A1 ~~ A4
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	492	+* (((
	493	+Query_Length:  RS485 Query frame length, Value cannot be greater than 10
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	495	+* (((
	496	+Query_Command:  RS485 Query frame data to be sent to sensor, cannot be larger than 10 bytes
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	498	+* (((
	499	+Read_Length:  RS485 response frame length supposed to receive. Max can receive
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	501	+* (((
	502	+Valid_Data:  valid data from RS485 Response, Valid Data will be added to Payload and upload via LoRaWAN.
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	504	+* (((
	505	+has_CRC:  RS485 Response crc check  (0: no verification required 1: verification required). If CRC=1 and CRC error, valid data will be set to 0.
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	508	+timeout:  RS485 receive timeout (uint:ms). Device will close receive window after timeout
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482	482	**Example:**
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484	484	User need to change external sensor use the type code as address code.
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486	486	With a 485 sensor, after correctly changing the address code to A1, the RS485 query frame is shown in the following table:
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488	488	[[image:image-20220624143553-10.png]]
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