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In steel making plants there are various aspects of KPI and production parameters that are always monitored by the Engineers and managers during the day.
These data is already available on the automation system (PLCs, MMI and configuration data bases) but it is dispersed during these different source.
The idea of the project is to collect all this data in a single dashboard for each area of the plant ,which displays these data in an easy way to be monitored both during work hours and the rest of the day ( by using the plant VPN network).
So a dash board was developed with node-red running on a Raspberry Pi 3 B+ as the server.
The Raspberry Pi is connected to three different network (area 1 automation network, area 2 automation network and business network)
An additional wireless network card was used to connect to area 2 automation network while utilizing the built in Ethernet and wifi to connect the business network and area 1 automation network.
The connections to the area 1 & 2 automation networks were needed to collect data from the different PLCs and databases.
While the connection to the business network was used to enable the connection to the dashboard for any computer or smart phone in the company network as well as through VPN from outside the company premises.
Additional nodes were used in the node-red environment to facilitate connection to the simatic S7 plcs.
Other devices was connected trough a socket connection and the data was parsed using a function node and some JavaScript code.
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"name": "crdy"
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{
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"name": "cspeed"
},
{
"addr": "db842,x107.0",
"name": "feme"
},
{
"addr": "db842,x107.2",
"name": "ffull"
},
{
"addr": "db842,x107.3",
"name": "fnfull"
},
{
"addr": "db842,x107.7",
"name": "fendo"
},
{
"addr": "db900,x2.1",
"name": "maint"
},
{
"addr": "db900,x2.2",
"name": "pdbi"
},
{
"addr": "db900,x2.3",
"name": "dbi"
},
{
"addr": "db900,x2.4",
"name": "pcast"
},
{
"addr": "db900,x2.5",
"name": "cast"
},
{
"addr": "db900,x2.6",
"name": "tailout"
},
{
"addr": "db903,x2.1",
"name": "sim"
},
{
"addr": "db842,real224",
"name": "fbt"
},
{
"addr": "db1560,real36",
"name": "rcspeed"
},
{
"addr": "db1711,word342",
"name": "tnsc"
}
]
},
{
"id": "93976af0.2de578",
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"name": "Actual Cast Speed",
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},
{
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},
{
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"cycletime": "500",
"timeout": "1500",
"verbose": "default",
"name": "Common PLC",
"vartable": [
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"name": "ladw"
},
{
"addr": "db870,x8.2",
"name": "tc1c"
},
{
"addr": "db870,x8.3",
"name": "tc2c"
},
{
"addr": "db870,x8.4",
"name": "lta1c"
},
{
"addr": "db870,x8.5",
"name": "lta2c"
},
{
"addr": "db1351,real752",
"name": "thour"
},
{
"addr": "db1351,Dint470",
"name": "hnseq"
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{
"addr": "db1351,int480",
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{
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{
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{
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{
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},
{
"id": "ba443944.05ee68",
"type": "ui_group",
"z": "",
"name": "Casting Floor Condition",
"tab": "4356e982.704e78",
"order": 10,
"disp": true,
"width": "7",
"collapse": false
},
{
"id": "d02d7fc4.3386d",
"type": "s7 endpoint",
"z": "",
"address": "172.20.0.44",
"port": "102",
"rack": "0",
"slot": "3",
"localtsaphi": "01",
"localtsaplo": "00",
"remotetsaphi": "01",
"remotetsaplo": "00",
"connmode": "rack-slot",
"cycletime": "500",
"timeout": "1500",
"verbose": "default",
"name": "",
"vartable": [
{
"addr": "db1200,real24",
"name": "mlca"
},
{
"addr": "db1200,real20",
"name": "mlcsp"
},
{
...
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