FB_DALIV2QueryStatus

FB_DALIV2QueryStatus 1:

The function block FB_DALIV2QueryStatus reads the variable STATUS INFORMATION from the control gear. The status information contains the eight most important status messages of a control gear. The meaning of the individual bits is defined as follows:

Bit

Description

0

Status of the control gear. 0: OK.

1

Lamp failure. 0: OK.

2

Lamp power on. 0: OFF.

3

Limit value error. 0: the most recently requested lamp power was either between MIN LEVEL and MAX LEVEL or was OFF.

4

Fading completed: 0: fading finished. 1: fading active.

5

Reset status. 0: no.

6

Short address missing. 0: no.

7

Power supply fault. 0: No. A reset or a lamp power control command has been received since the last switch-on.

FB_DALIV2QueryStatus 2: Inputs

VAR_INPUT
  bStart           : BOOL;
  nAddr            : BYTE;
  eAddrType        : E_DALIV2AddrType := eDALIV2AddrTypeShort;
  eCommandPriority : E_DALIV2CommandPriority := eDALIV2CommandPriorityMiddle;
END_VAR

Name

Type

Description

bStart

BOOL

The function block is activated by a positive edge at this input.

nAddr

BYTE

The address of a device or of a group

eAddrType

E_DALIV2AddrType

Short address, group address or broadcast

eCommandPriority

E_DALIV2CommandPriority

Priority (high, medium or low) with which the command is processed by the library.

FB_DALIV2QueryStatus 3: 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_KL6811Communication (KL6811) or FB_KL6821Communication (KL6821).

FB_DALIV2QueryStatus 4: Outputs

VAR_OUTPUT
  bBusy    : BOOL;
  bError   : BOOL;
  nErrorId : UDINT;
  nStatus  : BYTE;
END_VAR

Name

Type

Description

bBusy

BOOL

When the function block is activated the output is set, and it remains active until execution of the command has been completed.

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. Is reset to FALSE by the execution of a command at the inputs.

nErrorId

UDINT

Contains the command-specific error code of the most recently executed command. Is reset to 0 by the execution of a command at the inputs (see error codes).

nStatus

BYTE

Status information (see table above)

Requirements

Development Environment

PLC library to include

TwinCAT from v3.1.4020.14

Tc2_DALI from v3.4.3.0