<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In the present context of the 4th Industrial revolution, there is a growing need to get data from different data sources in a standard data format. This paper presents a solution to achieve this convergence in using IoT technology, extracting available data, and making it available to high-level systems in a standard, low latency framework. This paper presents different protocols like OPC UA, Message Queuing Telemetry Transport (MQTT), and Constrained Application Protocol(COAP) to achieve this data transportation/acquisition. It also presents an emerging Low Power Wide Area Network (LPWAN) technology, LoRa WAN, to augment the data of the process control system, explicitly extending the range of sensors to wireless data points.</p>
</abstract>

In the present context of the 4th Industrial revolution, there is a growing need to get data from different data sources in a standard data format. This paper presents a solution to achieve this convergence in using IoT technology, extracting available data, and making it available to high-level systems in a standard, low latency framework. This paper presents different protocols like OPC UA, Message Queuing Telemetry Transport (MQTT), and Constrained Application Protocol(COAP) to achieve this data transportation/acquisition. It also presents an emerging Low Power Wide Area Network (LPWAN) technology, LoRa WAN, to augment the data of the process control system, explicitly extending the range of sensors to wireless data points.

Optimising data visualisation in the process control and IIoT environments

Department of Electrical, Electronics and Computer Engineering

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Optimising data visualisation in the process control and IIoT environments"}

In the present context of the 4th Industrial revolution, there is a growing need to get data from different data sources in a standard data format. This paper...

Date	Time	Direction	ID	Address	Port	Hex Dump
5/14/2021	10:04:51 AM	IN	2	41.13.196.229	45708	08780200000081ff
5/14/2021	10:04:51 AM	OUT	2	41.13.196.229	45708	08f80200000051dd
5/14/2021	10:04:58 AM	IN	7	41.13.204.231	38968	087807000000c443
5/14/2021	10:04:58 AM	OUT	7	41.13.204.231	38968	08f8070000001461
5/14/2021	10:05:26 AM	IN	3	41.13.254.98	47490	0878030000003589
5/14/2021	10:05:26 AM	OUT	3	41.13.254.98	47490	08f803000000e5ab
5/14/2021	10:05:43 AM	IN	1	41.13.208.106	33612	0878010000005d64
5/14/2021	10:05:43 AM	OUT	1	41.13.208.106	33612	08f8010000008d46
5/14/2021	10:05:53 AM	IN	2	41.13.196.229	46236	08780200000081ff
5/14/2021	10:05:53	OUT	2	41.13.196.229	46236	08f80200000051dd

CoCT Gateway Packet Format
Section	Header																ID	Date	CRC
Size in Bytes	2																4	X	2
Bits	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	0 – 31		0 – 15
Field	version		type				ack	length									deviceID

Description	OPC UA	MQTT	COAP
Protocol binding	TCP	TCP	UDP
Protocol binding	Server/ client	Pub/sub	Server/ client
Security	Excellent	Good	Fair
Reliability over networks	Only good over very stable networks with excellent bandwidths	Suitable for transferring data/commands over unstable connections	Ideal for client/server connectionsPreferred for stable networks
Architecture	Client-server model	Broker is the centre of the network	Node is the centre of the network
Controllability of nodes	Offers secure controllability.	No controllability built into the protocol	Offers controllability of nodes within the protocol

Optimising data visualisation in the process control and IIoT environments

Article Category: Article

Published Online: Jan 21, 2022

Page range: 1 - 14

Received: Aug 08, 2021

DOI: https://doi.org/10.21307/ijssis-2021-022

Keywords
LoRa WAN, MQTT, OPC UA, COAP, Device gateway

© 2022 Robin Maharaj et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Packet capture of device gateway.

Gateway packet format.

Snapshot summary of comparison of protocols.

Optimising data visualisation in the process control and IIoT environments

Article Category: Article

Published Online: Jan 21, 2022

Page range: 1 - 14

Received: Aug 08, 2021

DOI: https://doi.org/10.21307/ijssis-2021-022

KeywordsLoRa WAN, MQTT, OPC UA, COAP, Device gateway

© 2022 Robin Maharaj et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Packet capture of device gateway.

Gateway packet format.

Snapshot summary of comparison of protocols.

Keywords
LoRa WAN, MQTT, OPC UA, COAP, Device gateway