Siemens 7SR105 Rho User Manual page 89

1.4 Performance Specification
This section describes about the settings available for different protection functions and its tolerance limits.
Table 1-19
Number of Elements
Setting Range I
s
Time Delay
Operate Level
Operate time
2 x I
s
5 x I
s
Operate time following delay
Controlled by
Disengaging time
Table 1-20
Number of Elements
U/C Guard
Setting Range I
s
Operate Level
Delay Setting td
Basic Operate Time: -
0.5 x Is
Operate time following delay
Overshoot Time
Inhibited by
Disengaging time
© 2018 Siemens Protection Devices
14 Stall Protection
37 Undercurrent
4
0.05 to 10xI
n
0.00 to 14400 s
100 % Is ± 5 % or ±1 %xI
35 ms ± 10 ms,
25 ms ± 10 ms
t +t , ±1 % or ± 10 ms
basic d
Stopped, No acceleration, Running, None
< 50 ms
2
0.05 to 5.0xI
n
0.05 to 5.0xI
n
100 % I ± 5 % or ± 1 %xI
s
0 to 14400 s
35 ms ± 20 ms
t + t , ± 1 % or ± 10 ms
basic d
< 40 ms
Binary or Virtual Input
< 60 ms
7SR105 Rho Performance Specification
n
n
Chapter 3 Page 13 of 17