User Interface - Siemens 7SR11 Argus Manual

Construction
The relay is housed in a 4U high size E4 case with a
removable clear plastic fascia cover. The plastic fascia cover
can be ordered with or without two push buttons. to allow
the user to view the settings and instruments without
removing the cover.
Two plastic handles are provided to allow the relay to be
withdrawn from its case, contacts in the case ensure that the
CT circuits and normally closed contacts remain short
circuited when the relay is withdrawn.
The rear terminal blocks comprise M4 female terminals for
ring crimp wire connections, to provide a secure and reliable
termination.
Fig 12. Rear view of relay
Siemens Protection Devices Limited

User Interface

Fig 13. User Interface
The operator interface is designed to provide a user friendly
method of controlling, viewing menus, entering settings and
retrieving data from the relay. Five buttons are provided for
navigation around the menu structure.
LCD
A 4 line by 20 character liquid crystal display with power
save operation indicates the relay identifier, settings,
instrumentation, fault data and control commands.
Up to 6 user programmable general alarms can be
configured to display your own indications on the LCD.
LEDs
A green steadily illuminated LED indicates the 'Protection
Healthy' condition.
9 user programmable LEDs are available eliminating the
need for expensive panel mounted pilot lights and
associated wiring. Each LED is tri-color (red, green, yellow)
allowing for clear indication of the associated function's
state and has a label insert for identification.
Relay Information
The device is identified by the rating label on the fascia. The
user can also give the device its own identity by editing the
'Relay Identifier' displayed on the LCD or space is provided to
place a slip in label giving the relays function.
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