The TG200 and TG300 TRUNKGUARD series fieldbus device couplers from MooreHawke, have successfully completed the Foundation Device Coupler Registration Process for the Fieldbus Foundation. Five models in the TRUNKGUARD TG200 series and two models in the TG300 series have received a registration certificate. These series of fieldbus device couplers deliver a fast and easy way to connect multiple fieldbus devices to a main fieldbus trunk in FOUNDATION fieldbus and PROFIBUS PA networks. They provide fully automatic segment termination. The patented technology prevents fieldbus segment failure from under- or over-termination.