Section 2 Smu615 Overview; Overview; Product Version History; Pcm600 And Merging Unit's Connectivity Package Version - ABB Relion SMU615 Technical Manual

1MRS758407 B
Section 2
2.1
2.1.1
2.1.2
2.2
SMU615
Technical Manual
SMU615 overview

Overview

SMU615 is a dedicated substation merging unit intended for measuring current and
voltage signals from the instrument transformers and merging them into the standard
digital output format that other devices can further use for various power system
protection application purposes. SMU615 itself includes no protection functionality
but it offers the physical interface into the switchgear primary equipment, that is,
circuit breaker, disconnector and earthing switch. SMU615 is a member of ABB's
Relion® product family and is characterized by the compactness, simplicity and
withdrawable-unit design.
SMU615 has been designed to unleash the full potential of the IEC 61850 standard for
communication and interoperability in the digital substations. SMU615 supports
process bus according to IEC 61850-9-2 LE with IEEE 1588 v2 time synchronization
and both conventional CT/VT inputs and sensor inputs.

Product version history

Product version Product history
1.0 Product released

PCM600 and merging unit's connectivity package version

• Protection and Control IED Manager PCM600 2.7 or later
• SMU615 Connectivity Package Ver.1.0 or later
Contact ABB for information on the latest connectivity package.

Local HMI

The LHMI is used for monitoring the merging unit. The LHMI comprises the push
button, LED indicators and communication port.
Section 2
SMU615 overview
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