Siemens SIRIUS 3RT2.1 Series System Manual

SIRIUS 3RR2 current monitoring relays
8.8 Operation
SIRIUS Innovations
712 System Manual, 01/2011, A8E56203870002-03
"SET" menu
This menu is used to make basic device settings.
The following parameters can be set:
● Hysteresis (Hyst)
See the chapter titled Hysteresis (Page 718)
● ON-delay
time (onDel)
See the cha
pter titled ON-delay time (Page 719)
● Trippi
ng dela
y time (Del)
See the chapter titled Tripping delay time (Page 720)
● Re
clo
sing delay time (RsDel)
See the chapter titled Reclosing delay time (Page 721)
● Blocki
ng current monitori
ng ((n x I▲)
See the chapter titled Blocking current monitoring (Page 722)
● Fault current monitoring (I >
>
= yes)
See the chapter titled Fault current monitoring (Page 722)
● Memory
: Automatic
/manual RESET (Mem)
See the chapter titled Memory (Page 723)
● Incorre
c
t phase sequence monitoring (
= yes)
See the chapter titled Incorrect phase sequence monitoring (Page 724)
● Load
curre
nt monitoring (apparent current I
s
/actual current I
p
)
See the chapter titled Load current monitoring (apparent current/active current)
(Page 725)
● Relay switchi
ng behavior (closed-circuit principle NC/open-circuit principle NO)
See the chapter titled Relay switching behavior (Page 726)

Siemens SIRIUS 3RT2.1 Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RT2.1 Series
Category	Industrial Equipment
Language	English