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IoT Gateway
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	<p>IoT Gateway is a device is used to collect data from Plant floor and send to 4PointX IAoT Platform. The device is based on Raspberry PI and contains necessary interfaces (RS-485, CAN, ETH etc.) for collecting and transferring data.</p>

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	<img src='/docs/_static/media/Edge IoT Gateway.jpg'>

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Initial Configuration Steps
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	<p>The following configuration is required to be performed on IoT Gateway before it can be used for onboarding data.</p>

#. Change hostname
	#. Use the following naming convention for hostname: 4px-<app>-<site>-<plant>-<function>-<#> (e.g., 4px-ems-jsw_vjnr-crm1-pltcm-1)
	#. Set the hostname. 
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			<p>Linux command:</p>
		
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			vi /etc/hostname
		
		
	
	
	
#. Assign IP address
	#. Assign IP and reboot the device. Linux commands:
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			sudo vi /etc/network/interfaces #Comment pre-up line. See below for example setting.
			sudo reboot
		
		
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			<p>Example Settings:</p>
		
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			auto eth0
			iface eth0 inet static
			  address 192.168.1.42
			    netmask 255.255.255.0
			      gateway 192.168.1.1
			        dns-nameservers 1.1.1.1, 8.8.8.8
		
		
	
	
	
#. Sample setting: 
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		<img src='/docs/_static/media/ip setting.png'>
	
#. After reboot, confirm that the IP is set. Also note the MAC Address. Linux command:
	#. baship addr
	#. Sample output: 
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			<img src='/docs/_static/media/ip addr.png'>
		
	
	
	
#. Set the host
	#. Change the host parameter in settings.json file to the IP of 4PointX IAoT Platform server and reboot the device
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			sudo vi /home/4px/4px.edge/config/settings.json
			sudo reboot
		
		
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			<p>Example Settings:</p>
		
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			<img src='/docs/_static/media/host setting.png'>
		
	
	
	



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	<p>With these steps the device would be ready to be used for onboarding data.</p>

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Testing Modbus Slaves
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	<p>If the <em>Source Sub Type</em> is <em>Modbus RTU</em>, the vibration sensors or energy meters that are required to be onboarded will be connected in a daisy chain loop and they will communicate using Modbus RTU protocol through the RS-485 interface present on <em>IoT Gateway</em>.</p>

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	<p>Each sensor or energy meter is required to have a unique Slave ID set prior to onboarding. This section would guide in testing which Slaves are able to communicate and if there are any non-communicating Slaves present in the loop.</p>

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	<p><ac:link><ri:user ri:account-id="5eb547835862510b795b57d6"></ri:user></ac:link> pls add the steps here. They need to be foolproof. Pls work with <ac:link><ri:user ri:account-id="62bbcea437780d89a351551d"></ri:user></ac:link> in parameterising the script if required.</p>

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