Table of Contents
Advertisement
Table 1 - List of Protection Functions (continued)
IEEE/ ANSI Code IEC Symbol
48
I
>
st
49
T>
50ARC
ArcI>
50BF
CBFP
50N/51N
I
>
0
50G/51G
I
>>
0
50GS/51GS
I
>>>
0
I
>>>>
0
50NARC
ArcI
>
01
ArcI
>
02
50NC/51INC
I
CAP
0
50/51
I>
I>>
I>>>
59
U>
U>>
U>>>
59N
U
>
0
U
>>
0
66
N>
67
I
>
φ
I
>>
φ
I
>>>
φ
I
>>>>
φ
67N
I
>
φ
0
I
>>
0
φ
67NI
I
>
Oint
68F2
U
>
f2
68F5
U
>
f5
81
f><
f>><<
81L
f<
f<<
81R
df/dt
86
99
Prg1...8
Rockwell Automation Publication 857-QS001B-EN-P - April 2017
Function Name
Stall protection
Thermal overload protection
Optional arc fault-protection
Circuit-breaker failure protection
Earth-fault protection
Optional earth-fault protection
Capacitor-bank unbalance protection
Overcurrent protection
Overvoltage protection
Residual voltage protection
Frequent start protection
Directional overcurrent protection
Directional earth-fault protection
Directional transient intermittent earth-fault
protection
Magnetizing In Rush
Transformer over excitation, 2nd harmonic
Frequency protection, 5th harmonic
Underfrequency protection
Rate of change of frequency (ROCOF) protection
Lockout
Programmable stages
Overview
Chapter 1
Note
Only available when
application mode is
motor protection.
External connection
method and protective
settings define
protection type.
Only available when
application mode is
motor protection.
All protective elements
can be set for lockout
control.
9
Hide quick links:
Advertisement
Table of Contents
