PCM600 is an user friendly configuration and communication engineering tool for ABB Relion protection and control relays . With an intuitive user interface, PCM600 offers configuration capabilities for I/O mapping and signal mapping. The user interface, workflow and the IEC 61850 based data model in PCM600 are designed according to the same philosophy as the intelligent electronic device (IED) itself, ensuring smooth and seamless integration between the tool and the IEDs. PCM600 is IEC 61850 compliant, ensuring communication between bay and station levels and bay-to-bay GOOSE messaging for station-wide interlocking and control of parallel transformers.