Difference between revisions of "Extensions.Measure.DeviceEventSource"
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== Description == | == Description == | ||
| − | The '''DeviceEventSource''' term accepts a link to a '''DeviceSignature''' of a device that is to be made an event source. This term enables an OTX sequence to use a measurement device as a source for events in the context of the [[Extensions.EventHandling|OTX EventHandling]] extension. A measurement device (driver) | + | The '''DeviceEventSource''' term accepts a link to a '''DeviceSignature''' of a device that is to be made an event source. This term enables an OTX sequence to use a measurement device as a source for events in the context of the [[Extensions.EventHandling|OTX EventHandling]] extension. A measurement device (driver) will trigger an event every time a new output parameter from one of its services has arrived. |
{{TermReturnValue| [[Extensions.EventHandling.EventSource|EventSource]] | EventSource from a measurement. }} | {{TermReturnValue| [[Extensions.EventHandling.EventSource|EventSource]] | EventSource from a measurement. }} | ||
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{| {{TableHeader}} | {| {{TableHeader}} | ||
{{TableRowPropertiesHeader}} | {{TableRowPropertiesHeader}} | ||
| − | {{TableRowPropertie2| Device | [[OtxLink]] | - | - | [1] | Represents the to-be-monitored device. If an output parameter of an earlier triggered device service becomes available, the event | + | {{TableRowPropertie2| Device | [[OtxLink]] | - | - | [1] | Represents the to-be-monitored device. If an output parameter of an earlier triggered device service becomes available, the event will be fired, causing an embedding '''event:WaitForEventAction''' to exit.}} |
|} | |} | ||
Latest revision as of 02:54, 13 September 2019
Contents
Classification
| Name | DeviceEventSource |
| Short Description | Enables an OTX sequence to use a measurement device as a source for events |
| Class | Term |
| Extension | OTX Measure extension |
| Group | Event related terms |
| Exceptions | - |
| Checker Rules | Measure_Chk001 |
| Standard Compliant | Yes |
OTL Syntax
EventSourceTerm Measure.DeviceEventSource(OtxLink device);Description
The DeviceEventSource term accepts a link to a DeviceSignature of a device that is to be made an event source. This term enables an OTX sequence to use a measurement device as a source for events in the context of the OTX EventHandling extension. A measurement device (driver) will trigger an event every time a new output parameter from one of its services has arrived.
Return Value
The Term returns the value, see table below.
In OTX, Terms are categorized according to its return data type!
| Data Type | Description |
| EventSource | EventSource from a measurement. |
Properties
| Name | Data Type | Class | Default | Cardinality | Description |
| Device | OtxLink | - | - | [1] | Represents the to-be-monitored device. If an output parameter of an earlier triggered device service becomes available, the event will be fired, causing an embedding event:WaitForEventAction to exit. |
OTL Examples
/// Signatures
package Measure.DeviceSignature DeviceSignature1
{
Measure.DeviceServiceSignature Add(in Integer a, out Measure.Measurement Measurement);
}
/// Global Declarations
public procedure main()
{
/// Local Declarations
Measure.Measurement Measurement1;
Integer a1 = 10;
EventHandling.EventSource EventSource1;
/// Flow
EventSource1 = Measure.DeviceEventSource(DeviceSignature1);
Measure.ExecuteDeviceService(DeviceSignature1, Add, {a = a1, Measurement = Measurement1}, false, false);
}