Protection and diagnostics (cont.), Figure 1.9 – overload trip curves, Figure 1.10 – restart trip curves after auto reset – Rockwell Automation 1560E SMC Flex Smart Motor Controller User Manual
Page 20: 10 product overview
1-10
Product Overview
% 5-" %. 0
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10
Class 15
Class 20
Class 30
Multiples of FLC
Multiples of FLC
Multiples of FLC
Multiples of FLC
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
A
p
pr
ox
im
at
e
T
ri
p
T
im
e
(s
ec
o
nds
)
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
0.1
1.0
10.0
100.0
1000.0
1
10
2
3
9
8
7
6
5
4
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10
Class 15
Class 20
Class 30
Multiples of FLC
Multiples of FLC
Multiples of FLC
Multiples of FLC
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
A
p
pr
ox
im
at
e
T
ri
p
T
im
e
(s
ec
o
nds
)
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
0.1
1.0
10.0
100.0
1000.0
1
10
2
3
9
8
7
6
5
4
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10
Class 15
Class 20
Class 30
Multiples of FLC
Multiples of FLC
Multiples of FLC
Multiples of FLC
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
A
p
pr
ox
im
at
e
T
ri
p
T
im
e
(s
ec
o
nds
)
Ap
p
ro
xi
m
at
e
T
ri
p
T
im
e
(se
co
n
d
s)
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
0.1
1.0
10.0
100.0
1000.0
1
10
2
3
9
8
7
6
5
4
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
Figure 1.9 – Overload Trip Curves
100000
1000
100
10
1
0
100%
1000%
Percent Full Load Current Setting
Auto Reset Times:
Class 10 =
90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s
Class 10
Class 15
Class 20
Class 30
Se
co
nd
a
100000
1000
100
10
1
0
100%
1000%
Percent Full Load Current Setting
Auto Reset Times:
Class 10 =
90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s
Class 10
Class 15
Class 20
Class 30
Class 10
Class 15
Class 20
Class 30
Se
co
nd
a
Figure 1.10 – Restart Trip Curves after Auto Reset
Protection and Diagnostics
(cont.)