The property list for an Analog Input / Output or Binary Input / Output object in the WorkPlaceTech application shows a "Process Time" parameter:
instead of a "COV Increment" parameter"
Note that for Binary I/O objects, the COV increment is implied as any change of binary value and is not displayed.
TAC I/A Series
MNB series controller WPT application file
MNB series controller with firmware release 1.4 or newer
WorkPlace Tech Tool software, release 5.5 or newer
Prior to firmware version 1.4, the MNB family of controllers did not support COV Subscription functionality.
The existing I/O object must be deleted and recreated, using the WorkPlace Tech Tool software release 5.5 or newer, to allow the use of the COV Increment parameter.