RNtfValue
If the OCA object was prompted to notify changes (using the Subscription method), incoming notifications are read using the RNtfValue method.
 | Cyclic method call Since several PLC cycles may pass between sending and the response from the device, this method should be executed cyclically. |
Syntax
VAR_INPUT
pLink : POINTER TO ST_Link;
bEnable : BOOL;
nSubscribtionNo : UDINT;
END_VAR
Inputs
Name | Type | Description |
|---|---|---|
pLink | POINTER TO ST_Link | Pointer for establishing a connection between OCA objects and the OCA device. |
bExecute | BOOL | The method is executed with a positive edge at the bExecute input. |
nSubscribtionNo | UDINT | Unique number for localizing the respective subscription. |