Input Pin Description

Input Pin Description

This table describes the input pins of the Proportional_Valve function block:

Input

Data Type

Description

Remarks

i_xAut

BOOL

TRUE: Automatic mode enabled

FALSE: Disabled

-

i_xMan

BOOL

TRUE: Manual mode enabled

FALSE: Disabled

-

i_xLoc

BOOL

TRUE: Local mode enabled

FALSE: Disabled

-

i_xManOpen

BOOL

TRUE: Manually opens the valve (output q_xMove) in local mode as long as the signal is activated.

FALSE: Disabled

-

i_xManCls

BOOL

TRUE: Manually closes the valve (output q_xMove) in local mode as long as the signal is activated.

FALSE: Disabled

-

i_xMove

BOOL

TRUE: Move the valve into a new position in automatic mode

FALSE: Disabled

-

i_rSp

REAL

New position for movement of valve in automatic mode

Range: 1.17e-38...3.4e+38

-

i_xFbckMove

BOOL

TRUE: Feedback for movement of the valve

FALSE: Disabled

-

i_iPosFbck

INT

Feedback of Valve position.

Range: 0...31

-

i_xLock

BOOL

TRUE: Interlock enabled.

FALSE: Disabled

Interlock input for valve operation. Valve operation is inhibited, when the input is set to 1.

i_xErr

BOOL

TRUE: External detected error is active.

FALSE: No external detected error

-

i_xAckn

BOOL

Acknowledgement is done with a rising edge.

Input to acknowledge internal and external detected errors indicated at the output q_xErr.

i_strPara

STRUCT Par_Valpro

Structure with parameters for this block.

Refer to the used structure descriptions.

i_dwCtrl 

DWORD

Command bits to interact from the HMI.

Range: 0...4294967295

Refer to the command word descriptions.