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Glossary
SICAM PAS (Power Automation System)
Substation control system: The range of possible configurations spans from integrated standalone systems
(SICAM PAS and M&C with SICAM PAS CC on one computer) to separate hardware for SICAM PAS and
SICAM PAS CC to distributed systems with multiple SICAM Station Units. The software is a modular system
with basic and optional packages. SICAM PAS is a purely distributed system: the process interface is imple-
mented by the use of bay units / remote terminal units.
SICAM Station Unit
The SICAM Station Unit with its special hardware (no fan, no rotating parts) and its Windows XP Embedded
operating system is the basis for SICAM PAS.
Single command
Single commands are process outputs which indicate 2 process states (for example, ON/OFF) at one output.
Single point indication
Single indications are items of process information which indicate 2 process states (for example, ON/OFF) at
one output.
SIPROTEC
The registered trademark SIPROTEC is used for devices implemented on system base V4.
SIPROTEC 4 device
This object type represents a real SIPROTEC 4 device with all the setting values and process data it contains.
SIPROTEC 4 variant
This object type represents a variant of an object of type SIPROTEC 4 device. The device data of this variant
may well differ from the device data of the original object. However, all variants derived from the original object
have the same VD address as the original object. For this reason they always correspond to the same real
SIPROTEC 4 device as the original object. Objects of type SIPROTEC 4 variant have a variety of uses, such
as documenting different operating states when entering parameter settings of a SIPROTEC 4 device.
Slave
A slave may only exchange data with a master after being prompted to do so by the master. SIPROTEC 4
devices operate as slaves.
Time stamp
Time stamp is the assignment of the real time to a process event.
Topological view
DIGSI Manager always displays a project in the topological view. This shows the hierarchical structure of a
project with all available objects.
Transformer Tap Indication
Transformer tap indication is a processing function on the DI by means of which the tap of the transformer tap
changer can be detected together in parallel and processed further.
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SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
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