We could split the components of the input dataset into 3
classes:
1. Sensors, which represent inputs from the physical
world, an element of this class should be matched
against an actual corresponding hardware component
2. Actuators, which represent outputs to the physical
world. An element of this class may need to be matched
to a hardware component or it may not. For example if
the output is a pump, the actual pump is not part of the
SCADA system, but to interface with it we may need to
pick an appropriate interface module, or just connect to a
already existing one. In the first case the expert system
will have to pick the hardware component, in the second
one it just needs to add a connection in the connection
diagram.
3. Software components, these may be controllers,
command sequences or all other kinds of software
blocks. The ensemble of software blocks, gives us
information about the minimum requirements for the
PLC.
We could split the components of the input dataset into 3 classes: 1. Sensors, which represent inputs from the physical world, an element of this class should be matched against an actual corresponding hardware component 2. Actuators, which represent outputs to the physical world. An element of this class may need to be matched to a hardware component or it may not. For example if the output is a pump, the actual pump is not part of the SCADA system, but to interface with it we may need to pick an appropriate interface module, or just connect to a already existing one. In the first case the expert system will have to pick the hardware component, in the second one it just needs to add a connection in the connection diagram. 3. Software components, these may be controllers, command sequences or all other kinds of software blocks. The ensemble of software blocks, gives us information about the minimum requirements for the PLC.
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