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SAN
Single Attached Node
A SAN is a non-redundant node in the PRP network. It is only connected with one port to one network (LAN A
or LAN B). It can only communicate with nodes in the connected network. Via a RedBox, devices with only one
connection can be redundantly connected to the 2 LAN A and LAN B networks. In order to obtain symmetrical
LAN A and LAN B networks, Siemens recommends avoiding SANs and to connect the devices either via a
RedBox or in a separate network without PRP support.
SBO
Select before operate
SC
See Single Command
SCD
See Substation Configuration Description
SCL
Substation Configuration Description Language
SED
System Exchange Description
SEQ
Data type Sequence
SEQ5
DIGSI 5 Test Sequences
Sequence of Events
Acronym: SOE. An ordered, time-stamped log of status changes at binary inputs (also referred to as state
inputs). SOE is used to restore or analyze the performance, or an electrical power system itself, over a certain
period of time.
Service Interface
Device interface for interfacing DIGSI 5 (for example, through a modem)
SICAM SAS
Substation Automation System – Modularly structured station control system, based on the substation
controller SICAM SC and the SICAM WinCC operator control and monitoring system..
SICAM WinCC
The operator control and monitoring system SICAM WinCC graphically displays the state of your network.
SICAM WinCC visualizes alarms and messages, archives the network data, provides the option of intervening
manually in the process and manages the system rights of the individual employees.
SIM
Simulation data format for single/multiple devices
SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
Glossary
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