Siemens 7SR18 Solkor - Immunity

7SR18 Performance Specification
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1.6.3 Immunity
1.6.3.1 Auxiliary Supply Variation
IEC 60255-26
Type of Phenomena
Test
Specifications
Duration Declared Operation
Voltage Dips
(DC auxiliary supply)
0 % RV
50 ms
(claimed)
Normal Operation
1
40 % RV 200 ms
Normal operation
1
except where Dip
falls below the relay minimum voltage
then Relay Restart
2
70 % RV 500 ms
Normal operation
1
except where Dip
falls below the relay minimum voltage
then Relay Restart
2
Voltage Dips
(AC auxiliary supply)
0 % RV
2.5/3 cycles @ 50 Hz /
60 Hz (claimed)
Normal operation
1
except where Dip
falls below the relay minimum voltage
then Relay Restart
2
40 % RV
10/12 cycles @ 50 Hz /
60Hz
Normal operation
1
except where Dip
falls below the relay minimum voltage
then Relay Restart
2
70 % RV
25/30 cycles @ 50 Hz /
60 Hz
Normal Operation
1
Voltage Interruptions
(DC auxiliary supply)
0 % RV 5 s Relay Restart
2
Voltage Interruptions
(AC auxiliary supply)
0 % RV
250/300 cycles @ 50 Hz
/ 60 Hz
Relay Reset
2
Alternating
Component In DC
(Ripple)
(DC auxiliary supply)
15 % max and
min RV
Continuous Normal operation
1
Gradual Shut-down/
Start-up
(DC auxiliary supply)
Max & min RV
to 0 V
60 s Relay Reset
0V 5 minutes Relay Off
0 V to min &
max RV
60 s Relay Restart
2
Reversal of DC
Power Supply polarity
Max reversed
RV
1 minute
24 V to 250 V DC
No operation
100 V to 230 V AC
Normal Operation
1
Key:
RV = Residual Voltage Test Value. Two conditions: (a) range voltage low -20 % and
(b) range voltage high +20 %
1
No effect on relay performance
2
Restart with no mal-operation, loss of data or relay damage