3.6 Menu-based operation
Operator controls
The digitally adjustable monitoring relays have three keys for navigating on the menu levels:
• SET key
for navigating to the menu levels and for switching between the menu levels
• 2 arrow keys for setting parameters
Navigation through the menu system of the monitoring relays is explained below in a schematic
diagram.
Depending on the device version and as long as no faults have occurred, one or more dierent
measuring values ① can be displayed with the help of the arrow keys. In the event of a fault, the
display indicates the type of fault ③ by means of ashing symbols. By repeatedly pressing the
SET key briey, it is possible to set the desired type of monitoring (overshoot, undershoot, or
range monitoring) and parameterize the lower and/or upper threshold ② in accordance with
the device-specic setting ranges. After pressing the SET key for at least 2.5 s, in a further step,
the basic device parameters ④, such as the switching behavior of the output relays, the reset
response in the event of a fault, and/or the tripping delay times can be set.
System overview
3.6 Menu-based operation
SIRIUS 3UG4 / 3RR2 monitoring relay
44 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
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