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1. Introduction
1.1. This manual
Before attempting any operation with REF 542plus, read this manual carefully first.
This manual describes how to use the interface of REF 542plus (LD HMI, Local
Detached Human Machine Interface). Note that HMI views and pictures are to be
considered exemplary.
Do not make any changes to the REF 542plus configuration unless you
are authorized to do it and familiar with REF 542plus and its Operating
Tool. This might result in malfunction and loss of warranty.
1.2. Use of symbols
This publication includes the following icons that point out safety-related conditions
or other important information:
The electrical warning icon indicates the presence of a hazard which
could result in electrical shock.
The warning icon indicates the presence of a hazard which could result
in personal injury.
The caution icon indicates important information or warning related to
the concept discussed in the text. It might indicate the presence of a
hazard which could result in corruption of software or damage to
equipment or property.
The information icon alerts the reader to relevant facts and conditions.
It should be understood that operation of damaged equipment could, under certain
operational conditions, result in degraded process performance leading to
information or property loss. Therefore, comply fully with all notices.
1.3. Intended audience
This manual is intended for operators, supervisors and administrators to support
normal use of the product.
Multifunction Protection and Switchgear Control Unit
Operator's manual
REF 542plusREF 542plus
1MRS755869
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