Rice Lake iRite IDE - Manual (Page 37)

920i Programming Reference - API Reference 33
Parameters:
[in] data Data array name
[in] scale_no Scale number
[in] start_sp Start setpoint number
[in] stop_sp Stop setpoint number
SysCode values returned:
SysRequestFailed The function did not complete.
SysOK The function completed successfully.
5.1.2 Tare Manipulation
AcquireTare
Acquires a pushbutton tare from scale S.
Method Signature:
function AcquireTare (S : Integer) : SysCode;
Parameters:
[in] S Scale number
SysCode values returned:
SysInvalidScale The scale specified by S does not exist
SysLFTViolation The tare operation would violate configured legal-for-trade restrictions for the
specified scale. No tare is acquired.
SysOutOfRange The tare operation would acquire a tare that may cause a display overload. No tare
is acquired.
SysPermissionDenied The tare operation would violate configured tare acquisition restrictions for the
specified scale. No tare is acquired.
SysDeviceError The scale is reporting an error condition.
SysOK The function completed successfully.
Example:
AcquireTare (Scale1);
ClearTare
Removes the tare associated with scale S and sets the tare type associated with the scale to NoTare.
Method Signature:
function ClearTare (S : Integer) : SysCode;
Parameters:
[in] S Scale number
SysCode values returned:
SysInvalidScale The scale specified by S does not exist.
SysNoTare The scale specified by S has no tare.
SysDeviceError The scale is reporting an error condition.
SysOK The function completed successfully.
Example:
ClearTare (Scale1);
GetTareType
Sets T to indicate the type of tare currently on scale S.
Method Signature:
function GetTareType (S : Integer; VAR T : TareType) : SysCode;
Parameters:
[in] S Scale number
[out] T Tare type