User`s guide

Window Testing
The following function allows an application program to incorporate its own specialized
working-region strategy, independent of the strategy provided as an integral part of the V+
conveyor tracking system.
WINDOW Real-valued function that indicates where a belt-relative location is
(or will be at some future time) relative to a belt window.
Status Information
The following function indicates the current operating status of the conveyor-tracking
software.
BSTATUS Real-valued function that returns bit flags indicating the status of the
conveyor-tracking software.
System Switch
The switch BELT enables/disables the operation of the conveyor-tracking software. (See the
description of ENABLE, DISABLE, and SWITCH for details on setting and displaying the value
of BELT.)
BELT This switch must be enabled before any conveyor tracking processing
begins.
System Parameters
The following parameter selects alternative modes of operation of the belt window testing
routines. See the description of PARAMETER for details on setting and displaying the
parameter values.
BELT.MODE Bit flags for selecting special belt window testing modes of operation.
Conveyor-Tracking Programming
V+Language User's Guide, v17.0
Page 318