VEDA HCT User Manual Add At each time of operation, the set data will be added and written into the word register. Upper Limit It is the upper limit of the word register operated. When the result reached the upper limit of operation, no further “Add” operation can be done. Looping If “Looping” is checked, an option of “Lower limit” will appear. The operation will be continued at the upper limit and the adding operation will be done from the lower limit. For example, if the “Lower limit” is set to “0”, the “Add” is set to “1”, and the upper limit is set to “100”, the Word Set component will be valid when it is added to “100”. It will turn to 0, 1, 2, 3,and so on, at the next operations.
Reverse on reaching the end If “Reverse on reaching the end” is checked, the operation will be continued at the upper limit and the result will change to reduce from the upper limit to the lower limit. When the result reached the lower limit, the operation will change to add. The “Add”, “Upper limit” and “Lower limit” are all “Constant” in default. They can also be set into “Variable”. It is noted that the data type of variable register must comply with the “Word Set” component address type. Subtract A designated data will be subtracted from the value of the designated word register till the “Lower limit”. The “Subtract” attributes contain the following settings. 100