Information List - Siemens 7SC80 Manual

Siprotec compact feeder protection and recloser controller
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Functions
2.11 Thermal Overload Protection 49
Addr.
Parameter
4201
FCT 49
4202
49 K-FACTOR
4203
TIME CONSTANT
4204
49 Θ ALARM
4205
I ALARM
4207A
Kτ-FACTOR
4208A
T EMERGENCY

Information List

2.11.4
No.
Information
1503
>BLOCK 49 O/L
1507
>EmergencyStart
1511
49 O / L OFF
1512
49 O/L BLOCK
1513
49 O/L ACTIVE
1515
49 O/L I Alarm
1516
49 O/L Θ Alarm
1517
49 Winding O/L
1521
49 Th O/L TRIP
1580
>RES 49 Image
1581
49 Image res.
224
C
Setting Options
OFF
ON
Alarm Only
0.10 .. 4.00
1.0 .. 999.9 min
50 .. 100 %
1A
0.10 .. 4.00 A
5A
0.50 .. 20.00 A
1.0 .. 10.0
10 .. 15000 sec
Type of
Comments
Informa-
tion
SP
>BLOCK 49 Overload Protection
SP
>Emergency start of motors
OUT
49 Overload Protection is OFF
OUT
49 Overload Protection is BLOCKED
OUT
49 Overload Protection is ACTIVE
OUT
49 Overload Current Alarm (I alarm)
OUT
49 Overload Alarm! Near Thermal Trip
OUT
49 Winding Overload
OUT
49 Thermal Overload TRIP
SP
>49 Reset of Thermal Overload Image
OUT
49 Thermal Overload Image reset
Default Setting
Comments
OFF
49 Thermal overload
protection
1.10
49 K-Factor
100.0 min
Time Constant
90 %
49 Thermal Alarm Stage
1.00 A
Current Overload Alarm
Setpoint
5.00 A
1.0
Kt-FACTOR when motor
stops
100 sec
Emergency time
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017

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