SIRIUS 3RR2 current monitoring relays
8.8 Operation
SIRIUS Innovations
704
System Manual, 01/2011, A8E56203870002-03
8.8
Operation
8.8.1
3RR21 Basic analog setting current monitoring relay
8.8.1.1
Parameters
Operator controls
The analog setting current monitoring relay has 4 rotary buttons and 1 slide switch for setting
parameters. To make changes to the settings, you need a screwdriver.
2
,
RQ'HOV
'HOV
W
0HPRU\
6
6
Figure 8-3
Operator controls on the analog setting current monitoring relay
Parameters
The following parameters can be set:
●
ON-delay time (onDel)
●
Tripping delay time (Del)
●
Threshold value for current overshoot (I▲)
●
Threshold value for current undershoot (I▼)
●
Automatic/manual RESET (Memory)
Required tools
To set the parameters, you can use the same screwdriver as for mounting the current
monitoring relay (Pozidriv size 2 for size S00 or Pozidriv size 3 for size S0).
Summary of Contents for SIRIUS 3RH Series
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