350
Feeder Protection System
275
Distribution F
eeder Pr
ot
ection
Temperature Monitoring
The 350 continually monitors ambient
temperature around the relay and
alarms when the device is exposed to
extreme temperatures and undesirable
conditions such as air-conditioning
unit or station heater failures.
The EnerVista Viewpoint maintenance
tool allows users to review and analyze
the time period a 350 relay is exposed to
certain temperature ranges.
Security
Security Audit Trail
The Security Audit Trail feature provides
complete traceability of relay setting
changes at any given time and is NERC
CIP compliant. The 350 maintains a history
of the last 10 changes made to the 350
configuration, including modifications to
settings and firmware upgrades. Security
Setting Reports include the following
information:
• If Password was required to change
settings
• MAC address of user making setting
changes
• Listing of modified changes
• Method of setting changes - Keypad,
Front serial port, Ethernet, etc.
Password Control
With the implementation of the Password
Security feature in the 350 relay, extra
measures have been taken to ensure
unauthorized changes are not made to
the relay. When password security is
enabled, changing of setpoints or issuing
of commands will require passwords
to be entered. Separate passwords
are supported for remote and local
operators, and separate access levels
support changing of setpoints or sending
commands.
Advanced
Communications
The 350 incorporates the latest
communication technologies making it
the easiest and the most flexible feeder
protection relay for use and integration
into new and existing infrastructures. The
350 relay provides the user with one front
USB and one rear RS485 communication
port. Also available with the 350 is a rear
communication port with Ethernet Fiber
and Copper. Through the use of these
ports, continuous monitoring and control
from a remote computer, SCADA system or
PLC is possible.
The 350 supports popular industry
standard protocols enabling easy, direct
integration into electrical SCADA and HMI
systems. The protocols supported by the
350 include:
• IEC 61850
• IEC 61850 GOOSE
• DNP 3.0
• Modbus RTU
Trace any setting changes with security audit trail
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