Seg MRM3, Руководство пользователя

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32 TB MRM3 07.01 E
7.3.2 Time overcurrent protection
Parameter LED Setting range Step Tolerance
Therm. Permissible con-
tin. current k x I
B
I
B
0.20...4.00
EXIT x I
N
Step switched off
0.01; 0.02; 0.05; 0.1 x
I
N
±
3% of setting value
or ± 10mA
Overload factor k 0.80...1.20 0.01
Heating time constant τ
W
0.5...180 min 0.1; 0.2; 0.5; 1.0; 2.0;
5.0;
10.0 min.
±
3% referring to cur-
rent measuring value
or
±
20ms
(See EN 60255-3)
Time limit τ
W
Start
t2x
t6x
EXIT
ab 2 x k*I
B
ab 6 x k*I
B
no limitation
Cooling down factor τ
C
1.00...8.00
x
τ
W
0.05; 0.1; 0.2 ±
3% referring to
measuring value
or
±
20ms
(See EN 60255-3)
Warn step ther. image ϑ
>
20...99
EXIT
Warning at %
ϑ
>
Step switched off
1% ±
1% of the setting
value
Undercurrent I< 0.10...1.00
EXIT Trip delay x I
N
Step switched off
0.005; 0.01; 0.02 x I
N
±
3% of the setting
value or ± 10mA
I<+t> 0,1...260
EXIT
Trip delay in s
Warning only
0.02; 0.05; 0.1; 0.5;
1.0; 2.0; 5.0; 10.0;
20.0 s
± 3% of the setting
value or
±
20ms
Overcurrent I> 0.2...4.0
EXIT
Pick-up value x I
N
Step switched off
0,01; 0,02; 0,05; 0,1 x
I
N
± 3% of the setting
value or
±
10mA
Characteristics I>+CHAR DEFT
NINV
VINV
EINV
RINV
LINV
definite
normal inverse
very inverse
extremely inverse
RI-inverse
Long-term inverse
0.02; 0.05; 0.1; 0.5;
1.0; 2.0; 5.0; 10.0;
20.0 s
0.01; 0.02; 0.05; 0.1;
0.2
±
3% of the setting
value or ± 20ms
±
3% referring to cur-
rent measuring value
or
±
20ms
(See EN 60255-3)
Time delay I>+t> at DEFT:
0,04 ...260
at _INV:
0,05 - 20
EXIT
Time delay in s
Characteristic parameter
Warning only
0,02; 0,1; 0,2; 0,5; 1,0
x I
N
±
3% of the setting
value or ± 20ms
Short-circuit
at start
I>>
Start
0,2...40
EXIT
Pick-up value x I
N
during Start
Step switched off
0.02; 0.1; 0.2; 0.5; 1.0
x I
N
±
3% of the setting
value or ± 10mA
Running I>> 0,2...40
EXIT
Pick-up value x I
N
During running
Step switched off
0.02; 0.1; 0.2; 0.5; 1.0
x I
N
±
3% of the setting
value or ± 10mA
Trip delay I>>+t> 0,04...10
EXIT
Trip delay in s
Warning only
0.02; 0.05; 0.1; 0.2 s ±
3% of the setting
value or ± 20ms