A programmable system for testing relays and controlling systems is provided. In one embodiment the present disclosure provides a programmable device capable of, for example, testing relays. The device includes a signal generator for generating signals to test relays. The device includes a memory location,...http://www.google.de/patents/US20050107976?utm_source=gb-gplus-sharePatent US20050107976 - Programmable system for device testing and control