FUNCTION_BLOCK IMG_BOOL

An instance of this function block type provides a human/machine interface (HMI) element for the entry of an IEC 61131-3 BOOL element in a similar fashion as the IN_BOOL function block type, with the additional feature that the user can use the IMG0 and IMG1 inputs to specify the icons to be displayed when the Boolean output stands at FALSE or TRUE, respectively.
See the PNP_MVCL configuration for an example of the use of an instance of this type.
The location of the image to be used is relative to the lib/fb/rt/hmi directory path of the FBDK. A "starter" collection of images is also provided in the following locations of the fbrt.jar file, relative to the path fb/rt/hmi/images/:
momentary_off.gif momentary_on.gif
Pause24.gif Play24.gif
Stop16.gif Stop16a.gif
Stop24.gif
Last updated: 2011-01-19.
©2011 Holobloc Inc.
Licensed under the Academic Free License version 3.0.