Licensing software modules for industrial controllers, regulators and/or computer systems, involves using software module carrying with it information regarding licensing requirement

摘要

The method involves the software module subject to license carrying with it information regarding its licensing requirement and authorizing use of the module if there is a license. A license manger monitors the number of licenses for software modules requiring licenses in a system and compares it with the number required by the system. The number of licenses equals or exceeds the required number for authorized use.