Rice Lake iRite IDE - Manual (Page 68)

64 920i Programming Reference
BusImageReal
BusImageReal is a data type to allow a user program to pass real data to and from a fieldbus.
Method Signature:
type BusImageReal is array[32] of real;
GetFBStatus
Returns the status word for the specified fieldbus. See the fieldbus Installation and Programming manual for a
description of the status word format.
Method Signature:
function GetFBStatus (fieldbus_no : Integer; scale_no : Integer; VAR status : Integer) :
SysCode;
Parameters:
[in] fieldbus_no Fieldbus number
[in] scale_no Scale number
[out] status Fieldbus status
SysCode values returned:
SysInvalidRequest
SysOK
The function completed successfully.
GetImage
For integer data, GetImage returns the content of the BusImage for the specified fieldbus.
Method Signature:
function GetImage (fieldbus_no : Integer; VAR data : BusImage) : SysCode;
Parameters:
[in] fieldbus_no Fieldbus number
[out] BusImage Bus image
SysCode values returned:
SysInvalidRequest
SysOK
The function completed successfully.
GetImageReal
For real data, GetImage returns the content of the BusImageReal for the specified fieldbus.
Method Signature:
function GetImageReal (fieldbus_no : Integer; VAR data : BusImageReal) : SysCode;
Parameters:
[in] fieldbus_no Fieldbus number
[out] BusImageReal Bus image
SysCode values returned:
SysInvalidRequest
SysOK
The function completed successfully.
SetImage
For integer data, SetImage sets the content of the BusImage for the specified fieldbus.
Method Signature:
function SetImage (fieldbus_no : Integer; data : BusImage) : SysCode;
Parameters:
[in] fieldbus_no Fieldbus number
[in] BusImage Bus image
SysCode values returned:
SysInvalidRequest
SysOK
The function completed successfully.