Rice Lake iRite IDE User Manual

Page 59

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920i

Programming Reference - API Reference

55

Example:
SP3DUR : DateTime;

GetSPTime (3, SP3DUR);

WriteLn (Port1, "Current Trip Duration of SP3 is", SP3DUR);

GetSPHyster

Sets V to the current hysteresis value (HYSTER parameter) of the setpoint SP.

Method Signature:
function GetSPHyster (SP : Integer; V : Real) : SysCode;

Parameters:

[in]

S

P

Setpoint number

[out]

V

Hysteresis value

SysCode values returned:

SysInvalidSetpoint

The setpoint specified by

SP

does not exist.

SysInvalidRequest

The setpoint specified by

SP

has no hysteresis HYSTER) parameter.

SysOK

The function completed successfully.

Example:
SP5Hyster : Real;

GetSPHyster (5, SP5Hyster);

WriteLn (Port1, "Current Hysteresis Value of SP5 is", SP5Hyster);

GetSPNSample

For averaging (AVG) setpoints, sets N to the current number of samples (NSAMPLE parameter) of the setpoint
SP

.

Method Signature:
function GetSPNSample (SP : Integer; VAR N : Integer) : SysCode;

Parameters:

[in]

S

P

Setpoint number

[out]

N

Sample value

SysCode values returned:

SysInvalidSetpoint

The setpoint specified by

SP

does not exist.

SysInvalidRequest

The setpoint specified by

SP

has no NSAMPLE parameter.

SysOK

The function completed successfully.

Example:
SP5NS : Integer;

GetSPNSample (5, SP5NS);

WriteLn (Port1, "Current NSample Value of SP5 is", SP5NS);

GetSPPreact

Sets V to the current preact value (PREACT parameter) of the setpoint SP.

Method Signature:
function GetSPPreact (SP : Integer; V : Real) : SysCode;

Parameters:

[in]

S

P

Setpoint number

[out]

V

Preact value

SysCode values returned:

SysInvalidSetpoint

The setpoint specified by

SP

does not exist.

SysInvalidRequest

The setpoint specified by

SP

has no preact (PREACT) parameter.

SysOK

The function completed successfully.

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