WOLFRAM SYSTEM MODELER
ClockedAndUnclockedDemonstrates the difference between the Clocked and Unclocked components |
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Diagram
Wolfram Language
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SystemModel["OPCUA.Examples.ClockedAndUnclocked"]
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Information
This example demonstrates the difference between the Clocked and Unclocked components.
This example requires an OPC UA example server running on localhost.
Read about how to start the example server here.
The OPCUA library comes with two versions of the read and write components: Clocked and Unclocked.
The Clocked write components require a clocked signal as input to write, whereas the Unclocked write components require an unclocked signal as input that is sampled internally in the write component.
The Clocked read components output the read value as a clocked signal, whereas the Unclocked read components have an internal hold() of the read value and output that as a unclocked signal.
Parameters (1)
| errorHandling |
Value: Types.ErrorHandling.ErrorWhenUncertain Type: ErrorHandling Description: How to handle request and data value errors |
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Components (10)
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client |
Type: Client Description: Client for connecting to an OPC UA server |
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readClocked |
Type: Read Description: Adds reading of a Real scalar node to a ReadNodeList |
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writeClocked |
Type: Write Description: Adds writing of a Real scalar node to a WriteNodeList |
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writeClock |
Type: PeriodicExactClock Description: Generate a periodic clock signal with a period defined by an Integer number with resolution |
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shift |
Type: ShiftSample Description: Shift the input clock by a fraction of the last interval and provide it as output clock |
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cosine |
Type: Cosine Description: Generate cosine signal |
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sample |
Type: Sample Description: Sample the continuous-time, Real input signal and provide it as clocked output signal (clock is inferred) |
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writeUnclocked |
Type: Write Description: Adds writing of a Real scalar node to a WriteNodeList |
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readUnclocked |
Type: Read Description: Adds reading of a Real scalar node to a ReadNodeList |
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hold |
Type: Hold Description: Hold the clocked, Real input signal and provide it as continuous-time output signal (zero order hold) |