Siemens Siprotec 5 6MU85 Merging unit
Description
Siemens Siprotec 5 6MU85 Merging unit
The new Siemens 6MU85 Merging unit bases on the flexible SIPROTEC 5 system has been designed for conventional and non-conventional instrument transformers (LPITs) and digitalizes all primary data close to the process. SIPROTEC 5 process bus provides versatile solutions and migration concepts for new and existing systems.
Features
Main functions:
- Merging unit
- Bay unit for distributes busbur protection SIPROTEC 7SS85
- Breaker functions
- Backup protection functions
- Additional functions
Communication:
- Up to 4 sampled measured value streams according IEC 61850-9-2 LE or IEC 61869 flexible streams
Hardware flexibility:
- Flexibly adjustable and expandable I/O quantity structure within the scope of the modular SIPROTEC 5 system; 1/6 expansion modules can be added.
Housing width:
- 1/3 × 19 inches to 2/1 × 19 inches
As standard:
- Conformal coating
Functions
Merging unit
- Per ETH-BD-2FO Ethernet module 1 or 2 (in preparation) Sampled Measured Value (SMV) streams
- – up to 32 analog values in any combination of CTs and VTs
or
– 4x CTs, 4x VTs (IEC 61850-9-2 LE) - Up to 4 ETH-BD-2FO modules possible
- Reliable and redundant data transmission via PRP protocol
- IEC 61869-9, IEC 61869-13 compliant
- IEC 61850-8-1 GOOSE, MMS and merging unit protocol on the same Ethernet module
- Sample and date/time synchronization via IEEE 1588v2/PTP
- Redundant power supply
- Extended temperature range (-40 ºC to 70 ºC)
Merging unit functionality is also available for all modular SIPROTEC 5 protection devices.
Breaker functions
- Control with switchgear interlocking
- Circuit-breaker failure protection (50BF)
- Circuit-breaker wear monitoring
- Switching statistics
- Point on wave switching (PoW)
- Trip-circuit supervision (74TC)
- Automatic reclosing (79)
- Synchrocheck (25)
Backup protection functions
- Non-directional overcurrent protection (50/51, 50N/51N)
- Directional overcurrent protection (67/67N)
- Overvoltage and undervoltage protection (27/59)
Additional functions
- Phasor measurement unit (PMU) for synchrophasor measured values and IEEE C37.118 protocol
- Arc protection
- Auxiliary functions for simple tests and commissioning
- Temperature measurement via thermobox TR1200 (7XV5662-6AD10 or 7XV5662-8AD10)
- 4-20 mA transducer inputs for various analog process values, e.g pressure, tap-changer position
Communication
- Pluggable communication modules, usable for different and redundant protocols (IEC 61850-8-1, IEC 61850-9-2, IEC 60870-5-103, IEC 60870-5-104, Modbus TCP, DNP3 serial and TCP, PROFINET IO)
- Serial protection data communication via optical fibers, two-wire connections and communication networks (IEEE C37.94, and others), including automatic switchover between ring and chain topology
- Extensive cyber security functionality, such as role-based access control (RBAC), protocolling security-related events or signed firmware
- Simple, quick and secure access to device data via a standard Web browser – without additional software
SIPROTEC 5 is part of the new generation of incomparable modular, flexible, and intelligent digital field devices. With modularly designed hardware and software and its high-performance DIGSI 5 engineering tool, the SIPROTEC 5 product family of field devices are perfect for protection, control, monitoring, and measuring applications in electrical energy systems. SIPROTEC 5 offers a wide product range with modular elements for every application and requirement.
Reviews
There are no reviews yet.