Lenze PLC Designer ApplicationTemplate (PLC Designer R3- Instrukcja Użytkownika Pobierz pdf (Strona 89)

Lenze · ApplicationTemplate · 1.3 EN - 04/2013 89

Architecture: The ApplicationTemplate in detail

Displaying the states of the state machine - FB L_EATP_SMAccess

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9.6 Displaying the states of the state machine - FB L_EATP_SMAccess

The Statemachine FUP method serves to display the current state of the state machine from a

module application (MAP). L_EATP_SMAccess

( 126)

• In the ApplicationTemplate, every machine module features one module application for which

an instance of this block with the SMAccess instance name is created.

•The Statemachine FUP method calls the instance of the L_EATP_SMAccess(SMAccess) block.

9.7 Stater machine: Query examples

This section shows (by the use of program examples) how...

• ...to access the state machine.

• ...to query the states.

Objective/call Example

Querying the current state

•IF condition

• Module's intrinsic/subordinated

module status enquiry by method

IF baseChannelGetActualState (MM_Address:= ) =

L_EATP_SMStates.Manual THEN

// Do something if Statemachine is in state MANUAL

END_IF

•IF condition

• Query the module's intrinsic

status

IF StateMachine.xActStateIsAutomatic THEN

// Do something if Statemachine is in state AUTOMATIC

END_IF

• CASE instruction

• Module's intrinsic/subordinated

module status enquiry by method

CASE baseChannelGetActualState (MM_Address:= ) OF

L_EATP_SMStates.Ready:

// Do something if Statemachine is in state READY

;

L_EATP_SMStates.Service:

// Do something else if Statemachine is in state SERVICE

L_EATP_SMStates.Quickstop:

// Do something else if Statemachine is in state

QUICKSTOP

;

END_CASE

Querying an active warning

•IF condition

• Query the module's intrinsic

warning

IF StateMachine.xWarning THEN

// Do something if warning is active

ELSE

// Do something else if warning is not active

END_IF

Querying the setpoint state of the master

•IF condition

• Based on signals with eSetState

signal

IF StateMachine.xActStateIsAutomatic THEN

IF StateMachine.eSetState = L_EATP_SMStates.Ready

THEN

// Do something if actual state is AUTOMATIC and set

state to READY

;

END_IF

Enabling state transition from "Init" to "Ready" (initialisation completed)

SMEnableIitToReady (xValue := TRUE);

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