FB_BACnetAVDisplay
BACnet analog value object that can be used to display a value from the PLC in the BACnet.
Functional description
This function block generates a BACnet analog value object and provides write and read variables for the object within the PLC.
Alternatively, the following versions are available:
Inputs/outputs
VAR_INPUT
rPrVal : REAL;
rPrVal: Value from the PLC that is written to the BACnet property Present Value in the event of a change of value.
VAR_OUTPUT
bErr : BOOL;
udiErrId : UDINT;
udiErrArg : UDINT;
bErr: Indicates a general error in the function block. The cause can be in BACnet, in the ADS data exchange, or due to incorrect parameterisation.
udiErrId / udiErrArg: Contains the error number and the error argument. See Error codes.
VAR_IN_OUT
fbDvc : FB_BACnet_Device;
fbDvc: reference to the function block of the BACnet device object
Requirements
Development environment | Target system | required library | required supplement |
|---|---|---|---|
TwinCAT 2.11 R3/x64 | PC/CX | TcBA library from V1.0.0 | TS8040 | TwinCAT Building Automation from V1.0.0 |