GFK-1277 Description Description GFK-1277 Emerson Genius Modular Redundancy User’s Manual PLC Parts and Repair CONTROL PLATFORMS Series 90-70 Related products IC676CBLPNRJ45100 GFK-0845 GFK-1645A-FR GTB-CK-AI4/AO2 GFN-018 ET-GT-3ES-3SC