Section 4
HMI500
4.1
Introduction
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This section describes the human/machine interface (HMI) for the protection systems
REB500. For a detailed explanation of signals and parameters, see
Technical manual. For a
description of fault finding actions, see
. For details on security settings, see
Cyber
security deployment guideline.
HMI500 is a convenient human-machine interface which permits the operator to view
measurements and statuses, to set protection functions, to configure the system, to
download the latter data to REB500, and to control the disturbance recorder and event
memory integrated in the system.
The data are transferred between the PC and REB500 via an Ethernet interface attached to the
front of the central or bay units. The PC can be connected of the station bus as well.
Any changes (for example, settings and configuration) made using HMI500 are
stored in a specific customer database (MS Access database file) on the PC and
not in the protection system. The database then has to be downloaded from
the PC to the protection system (see
).
4.2
Safety instructions
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HMI500 permits circuit-breakers and isolators to be operated. Every program
operation and the possible consequences must be considered carefully
beforehand. If switching operations have to be carried out, the same
precautions must be taken as when performing them manually.
Earlier HMI500 versions are incompatible with version 8.00 of the protection
system software.
When the HMI500 software establishes communication with a REB500 system
initially user must enter a password. For details about security management,
passwords and security options refer to
Cyber security Deployment Guideline .
4.3
Basic setup
4.3.1
Installation
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The human-machine interface program HMI500 is supplied on an installation CD. It can be
installed on Windows XP or Windows 7.
1MRK 500 132-UEN B
Section 4
HMI500
Distributed busbar protection REB500
11
Operation manual
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