FB_OcaWorker
The function block FB_OcaWorker extends the function block FB_OcaRoot with properties and methods for handling the OCA objects.
 | No explicit call Since there is no code in the body of the function block, it should not be called explicitly. Instead, use the corresponding methods of the function block. |
Inheritance hierarchy
FB_OcaRoot
FB_OcaWorker
Methods
Name | Definition location | Description |
|---|---|---|
Local | Method for querying or setting the Enabled property of the OCA object. If the query was successful, the result is output in the property stEnabled. | |
Local | This method is used to query whether the OCA object can be locked. If the query was successful, the result is output in the property stLockable. | |
Local | Method for unlocking or locking an OCA object. If the method was executed successfully, the result is output in the property stObjectLocked. | |
Local | OCA objects can have a text label to make their meaning easier to recognize. If the method call was successful, the result is output in the property stRole. | |
Local | You can use this method to request OCA objects, generate notifications for value changes, or set up sending. If the method was executed successfully, the result is output in the property stSubscribed. |
Properties
Name | Type | Access | Definition location | Description |
|---|---|---|---|---|
stEnabled | Get | Local | Indicates whether the OCA object in the corresponding OCA device is enabled. | |
stLabel | Get | Local | OCA objects can have a description text that is stored in this property to facilitate recognition. | |
stLatency | Get | Local | Processing latency of the OCA object | |
stOwner | Get | Local | OCA object number of the higher-level object |
| AES70 standard The names of variables and function blocks have been adapted to the AES70 standard where possible. Information about this communication protocol can be found at www.aes.org and www.ocaalliance.com. |
Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT v3.1.4022.2 or higher | PC or CX (x64, x86, ARM) | Tc3_AES70 |