Preface
6 SICAM RTUs, SICAM AK 3 User Manual
Edition 07.2016, DC2-028-2.03
Use as Prescribed
The equipment (device, module) must not be used for any other purposes than those de-
scribed in the Catalog and the Technical Description. If it is used together with third-party de-
vices and components, these must be recommended or approved by Siemens.
Correct and safe operation of the product requires adequate transportation, storage, installa-
tion, and mounting as well as appropriate use and maintenance.
During operation of electrical equipment, it is unavoidable that certain parts of this equipment
will carry dangerous voltages. Severe injury or damage to property can occur if the appropri-
ate measures are not taken:
• Before making any connections at all, ground the equipment at the PE terminal.
• Hazardous voltages can be present on all switching components connected to the power
supply.
• Even after the supply voltage has been disconnected, hazardous voltages can still be pre-
sent in the equipment (capacitor storage).
• Equipment with current transformer circuits must not be operated while open.
• The limit values indicated in the manual or the operating instructions must not be exceed-
ed; that also applies to testing and commissioning.
Danger
Consider obligatory the safety rules for the accomplishment of works at electrical plants:
1. Switch off electricity all-pole and on all sides!
2. Ensure that electricity cannot be switched on again!
3. Double check that no electrical current is flowing!
4. Discharge, ground, short circuit!
5. Cover or otherwise isolate components that are still electrically active!
Typographic and Sign Conventions
• Manuals to be referred to are represented in italics, such as e.g. SICAM RTUs Common
Functions System and Basic System Elements.
• For easy reading, certain designations and names are presented in this font
• Symbolic names are presented in this font
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