Time synchronization3.5.
SYS 600C can be synchronized by an external GPS clock. This is typically done using
SNTP over the local area network or through a serial port using a protocol provided by
the clock manufacturer. It is also possible to add a PCI card into the computer to retrieve
the clock signal. The IEC 61850 client of SYS 600C includes an SNTP client that can
be used to set the system clock. SYS 600C can also be synchronized by the Network
Control System over a remote communication protocol.
SYS 600C can also be used as a clock master for the connected IEDs according to the
used protocol.
Redundancy3.6.
System redundancy
The availability of a SYS 600C system can be further improved by redundant servers
configured in a hot stand-by mode (HSB). In this configuration, one computer is active
and receives and processes all data from the process. It also manages the displays and
provides data for the displays. At the same time, all process data and configuration data
is shadowed over to the stand-by computer. The stand-by computer is in the same state
as the active one. If the active computer breaks down, the stand-by computer takes over
the process communication and continues to manage the process. In this way, the process
can be operated and supervised even if one of the computers fails.
Communication redundancy
Redundant communication lines mean that two or several connections between the
master and the slave form a logical connection. One of the connections is active and if
the active connection fails, another connection is used instead.
Redundant communication lines are supported for IEC 60870-7-101 slave, RP-570 slave,
and IEC 60870-7-104 master and slave protocols.
Mirroring3.7.
The process data mirroring provides powerful means for sharing process data in a SYS
600C/SYS 600 network with minimal engineering effort. This can be used to build
hierarchical systems, for example, with one main control center, some regional control
centers and more local control centers or substations. It can also be used for load distri-
bution in large systems. The data mirroring can also be used to share data between a
SYS 600C HSI and SYS 600C Gateway, for example, when communication protocols
with one master are used.
16
1MRS756804
MicroSCADA Pro
SYS 600C 1.92
Product Guide
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