ware, but both must support a common transmission protocol (= TCP/IP protocols), so that all PCs can
exchange data with one another.
Management Information Base
A Management Information Base (MIB) is a database which continuously saves information and statistics
concerning each device in a network. The performance of each device can be monitored with this information
and statistics. In this way, it can also be ensured that all devices in the network function properly. MIBs are
used with SNMP.
Manufacturing Message Specification
The Standard Manufacturing Message Specification (MMS) serves for data exchange. The standard is used for
the transmission protocols IEC 61850 and IEC 60870-6 TASE.2.
MCB
Circuit Breaker
Metered Value
Metered values are a processing function, used to determine the total number of discrete similar events
(counter pulses), for example, as integral over a time span. In the power supply utility field, electrical energy is
often recorded as a metered value (energy import/delivery, energy transport).
MIB
See Management Information Base.
MICS
Model Implementation Conformance Statement
MMS
See Manufacturing Message Specification.
Model Implementation Conformance Statement
Model Implementation Conformance Statement (see MICS)
The Model Implementation Conformance Statement describes in detail the standard data object models that
are supported by the system or by the device.
NACK
Negative acknowledgment
Navigation Window
The left area of the project window visualizes the names and icons of all containers of a project in the form of
a hierarchical tree structure.
Object
Each element of a project structure is designated as an object in DIGSI 5.
Object Property
Each object has properties. These can on the one hand be general properties that are common to several
objects. Otherwise, an object can also have object-specific properties.
Glossary
SIPROTEC 5, High-Voltage Bay Controller, Manual 1245
C53000-G5040-C015-9, Edition 11.2017
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