Помогите, пожаоуйста, с переводом: redundance licence

Вообще, к сведению, писали немцы... Речь идет о компрессорной установке, в частности, operation/ engineering station for PLC system...
Change of 1 combined operation/ engineering station for PLC system of 1 unit to one engineering station by increasing of manageable variables
- order of additional tags for the engineering station
- order of redundance licence
- configuration of additional functionality

Заранее спасибо!