7SR210 & 7SR220 Description of Operation
Unrestricted ©2018 Siemens Protection Devices Limited Page 19 of 94
‘PICKUP’ LED
This yellow LED is illuminated to indicate that a user selectable function(s) has picked up. The LED will self reset
after the initiating condition has been removed. The same LED can be assigned two different colours dependent
upon whether a Pickup (PU) or Operate condition exists.
Functions are assigned to the PICKUP LED in the OUTPUT CONFIG>PICKUP CONFIG menu.
‘TRIP’ LED
This red LED is steadily illuminated to indicate that a user selectable function has operated to trip the circuit
breaker. Functions are assigned to the ‘Trip’ LED using the OUTPUT CONFIG>Trip Contacts setting.
Operation of the LED is latched and can be reset by either pressing the TEST/RESET► button, energising a
suitably programmed binary input, or, by sending an appropriate command over the data communications
channel(s).
Indication LEDs (Numbered 1 to 8, 1 to 16 or 1 to 32)
Relays have either 8, 16 or 32 user programmable Tri-colour (red, green or yellow) LED indicators, depending
upon the variant ordered. They are configured via the menu: -
Settings\ Output Config\LED Config menu or
LED tab in Reydisp Evolution.
They can be designated as either: -
Pick-Up (PU) LEDs (they respond upon the detection of a condition i.e. overcurrent detection), or
Operation LEDs (they respond to the action of a condition i.e. CB trip operation).
Configuration options are: -
Self Reset LEDs - automatically reset upon loss of initiating condition.
PU Self Reset LEDs - automatically reset upon loss of initiating condition
Green LEDs - illuminate green
Red LEDs - illuminate red
Yellow LEDs - illuminate yellow (when both red and green are selected)
PU Green LEDs - illuminate green in response to the detection of a condition
PU Red LEDs - illuminate red in response to the detection of a condition
Colour selection is achieved by checking (ticking) the appropriate box i.e. red or green. To select yellow, check
both red & green boxes.
Functions are assigned to the LEDs in the OUTPUT CONFIG>OUTPUT MATRIX menu.
Each LED can be labelled by withdrawing the relay and inserting a label strip into the pocket behind the front
fascia. A ‘template’ is available to allow users to create and print customised legends.
This can be found in: -
Reydisp Evolution\Help\Open Relay LED Template\Open RM LED Template
Each LED can be user programmed as hand or self –resetting. Hand reset LEDs can be reset by either pressing
the TEST/RESET► button, energising a suitably programmed binary input, or, by sending an appropriate
command over the data communications channel(s).
The status of hand reset LEDs is maintained by a back up storage capacitor in the event of an interruption to the
d.c. supply voltage.
Standard Pushbuttons
The relay is supplied as standard with five pushbuttons. The buttons are used to navigate the menu structure and
control relay functions. They are labelled: -
▲ Increases a setting or moves up menu.
▼ Decreases a setting or moves down menu.
TEST/RESET► Moves right, can be used to reset selected functionality and for LED test (at
relay identifier screen).
ENTER Used to initiate and accept settings changes.
CANCEL Used to cancel settings changes and/or move up the menu structure by one
level per press.
NOTE: All settings and configuration of LEDs, BI, BO and function keys can be accessed and set by the user
using these keys. Alternatively configuration/settings files can be loaded into the relay using ‘Reydisp Evolution’.
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