FB_DALIV2xBEGLuxomat

	The function block FB_DALIV2xBEGLuxomat serves as an example and is not included in the library. The function block can be downloaded as an export file and imported into the desired project. Adjustments can be made as required.

The function block FB_DALIV2xBEGLuxomat evaluates the measured brightness and the occupancy of the B.E.G. Luxomat DALI control device. This function block can also be used to initialize the DALI control device.

The DALI control device occupies a short address and contains two instances. Instance 0 is the motion sensor and complies with the IEC 62386-303 standard. The light sensor is stored in Instance 1 and complies with the IEC 62386-304 standard.

A detected movement is sent as an event while the brightness is read cyclically. Each instance can be disabled individually as required.

Download the TwinCAT 3 PLCopenXML file: FB_DALIV2xBEGLuxomat.zip

Inputs

VAR_INPUT
  bInitialize       : BOOL := FALSE;
  nAddr             : BYTE;
  (* Occupancy Sensor Parameters *)
  bPIREnable        : BOOL := TRUE;
  nPIRHold          : BYTE := 1;   (* 10 s *)
  nPIRReport        : BYTE := 30;  (* 30 s *)
  (* Light Sensor Parameters *)
  bLSEnable         : BOOL := TRUE;
  tLSCycleTime      : TIME := t#1m;
END_VAR

Name	Type	Description
bInitialize	BOOL	The DALI control device is initialized via a positive edge at this input. The parameters are written to the DALI control device, which must be accessible via the short address nAddr. The output bInitializing is TRUE during initialization.
nAddr	BYTE	The address of a device or of a group
bPIREnable	BOOL	Parameter: If this input is TRUE, the motion sensor (instance 0) is enabled. The occupancy sensor is disabled by FALSE.
nPIRHold	BYTE	Parameter: Sets the value for the Hold Timer. If no movement is detected, the status of the motion sensor is only changed after the Hold Timer has expired. The unit is 10 s. This means that times of up to 42 min 20 s (value 254) are possible. The value 0 corresponds to 1 s while the value 255 is ignored.
nPIRReport	BYTE	Sets the value for the Report Timer. The motion sensor status is retransmitted after the Report Timer has expired, even if the status has not changed. The unit is 1 s. A value of 0 deactivates the Report Timer. This means that times of up to 4 min 15 s (value 255) are possible.
bLSEnable	BOOL	Parameter: If this input is TRUE, the light sensor (instance 1) is enabled. The light sensor is disabled by FALSE.
tLSCycleTime	TIME	Cycle time in which the current actual value of the light sensor is read.

Further details on the parameters can be found in the IEC 62386 standard and the manufacturer's documentation.

Inputs/outputs

VAR_IN_OUT
  stCommandBuffer   : ST_DALIV2CommandBuffer;
END_VAR

Name	Type	Description
stCommandBuffer	ST_DALIV2CommandBuffer	Reference to the internal structure for communication with FB_KL6821Communication (KL6821).

Outputs

VAR_OUTPUT
  bInitializing          : BOOL;
  bError                 : BOOL;
  nErrorId               : UDINT;
  nInputDeviceError      : BYTE;
  (* Occupancy Sensor *)
  bPIROccupied           : BOOL;
  (* Light Sensor *)
  nActualLightLevel      : UINT;
END_VAR

Name	Type	Description
bInitializing	BOOL	This output is TRUE during initialization.
bError	BOOL	This output is switched to TRUE as soon as an error occurs during the execution of a command. The command-specific error code is contained in nErrorId.
nErrorId	UDINT	Contains the command-specific error code of the most recently executed command (see error codes).
nInputDeviceError	BYTE	The status of the DALI control device (INPUT DEVICE ERROR) is queried before the initialization. 0 means no error. The individual error numbers are manufacturer-specific.
bPIROccupied	BOOL	This output indicates the status of the motion sensor.
nActualLightLevel	UINT	This output indicates the status of the light sensor.

Requirements

Development Environment	PLC library to include
TwinCAT from v3.1.4022.4	Tc2_DALI from v3.6.2.0