FB_BA_SubEvtM
The FB_BA_SubEvtM function block allows to subscribe to a multistate input object. It does not have to be called explicitly. This description serves solely to explain the inheritance structure of the multi-state input function blocks. It passes output variables to the inheriting function blocks.
Syntax
FUNCTION_BLOCK ABSTRACT FB_BA_SubM EXTENDS FB_BA_Subscriber
VAR_OUTPUT
nPresentValue : UDINT;
bEvent : BOOL;
END_VAR
Outputs
Name | Type | Description |
|---|---|---|
nPresentValue | UDINT | Present value of the subscribed value. |
bEvent | BOOL | Indicates an event or an error that has occurred. |
Requirements
Development environment | Required PLC library |
|---|---|
TwinCAT from v3.1.4024.35 | Tc3_XBA from v5.3.0.0 |