7
A complete Scada-Mate Switching System includes a
control unit that provides the interface between the
switch and the master-station computer or peer-to-
peer communication with distributed intelligence.
Communication and Control Unit
The custom-engineered CCU includes the following:
A user-specified remote terminal unit, factory-
installed and wired;
A user-specified communication device, factory-
installed and wired, including surge protector for a
user-supplied antenna;
A temperature-compensated constant-voltage
battery charger with rechargeable, sealed-lead,
starved-electrolyte battery packs, which provide
power for charging and tripping the mechanism
plus power for the RTU and communication device.
The charger features integral load-disconnect
circuitry to prevent deep-discharge of the
batteries on loss of ac source, plus alarms for loss
of ac source, battery low voltage, and charger
overvoltage. It also includes circuitry to effect a
battery load-test feature, when used in conjunction
with a suitable RTU.
In the self-powered version of the communication
and control unit—CCU-SP—the battery charger
is powered by the S&C Voltage Sensor. The external
120-Vac powered version of the communication
and control unit—CCU-XP—features a higher-
output battery charger, with unique battery
management system.
A switch control with open/close push buttons,
switch-position indicating lamps, disconnect closed
and latched indicating lamp, local/remote switch,
and operation counter.
All components are neatly packaged in a single
316L stainless-steel enclosure, simplifying installation
and minimizing checkout time.
S&C Model 5801 Automatic Switch Control
The Model 5801 Automatic Switch Control is a fully
integrated package that provides remote switch
operation and reporting of switch status points,
current, voltage, watts, and VARs over a variety
of protocols.
The high-output battery charger, powered from a
user-supplied 120-Vac control source or three voltage
sensors, uses a unique battery management system
to maintain the rechargeable, sealed-lead, starved-
electrolyte battery packs. A liquid-crystal display
indicates real-time data, settings, and fault events.
The 5801 Control is capable of automatic
sectionalizing, overcurrent fault detection, and
selectable shots-to-lockout. It also operates the
IntelliTEAM
®
Automatic Restoration System.
This unique peer-to-peer distributed intelligence
system doesn’t require the intervention of a system
dispatcher to isolate a fault and restore service to all
but the faulted line section.
All components are neatly packaged in a single
corrosion-resistant aluminum enclosure.
Switch Control Unit
For applications where the RTU and communication
device are to be supplied by others, in a separate
enclosure, a switch control unit (SCU) can be
furnished.
The SCU includes the same switch control and
battery charger furnished in the CCU-SP.
Controls to match your automation objectives
(13 Seiten)
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