Connecting wires ................................................................................... 23Connecting protective grounding............................................................ 23Connecting analog signals......................................................................24Connecting current and voltage inputs ............................................. 24Connecting IED with a test switch.......................................................... 25Connecting binary signals.......................................................................25Connecting power supply....................................................................... 25Connecting communication.................................................................... 26Energizing the IED..................................................................................26Inner assembly of the IED...................................................................... 27Section 6 Removing, repairing and exchanging..................................29Product lifecycle......................................................................................29Checking protection relay information.................................................... 29Removing the IED...................................................................................30Sending protection relay for repair..........................................................30Exchanging protection relay................................................................... 30Section 7 Technical data..................................................................... 31Case and HMI display variants............................................................... 31Front side of the IED..........................................................................31Rear side of the IED ......................................................................... 32Dimensions............................................................................................. 33Enclosure class.......................................................................................34Section 8 Accessories and ordering data............................................35Section 9 Glossary.............................................................................. 37Table of contents2 REF615RInstallation Manual