Monitored Data; Technical Data; Thermal Overload Protection For Motors 49M; Identification - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
4.5.2.8
4.5.2.9
4.5.3
4.5.3.1
388

Monitored data

Table 323: 49T Monitored data
Name Type
TEMP FLOAT32
TEMP_RL FLOAT32
T_TRIP INT32
T_ENA_CLOSE INT32
49T Enum

Technical data

Table 324: 49T Technical data
Characteristic
Operation accuracy
1)
Trip time accuracy
1) Overload current > 1.2 x Trip level temperature

Thermal overload protection for motors 49M

Identification

Function description
Thermal overload protection for motors
Values (Range) Unit
-100.0...9999.9 °C
0.00...99.99
0...60000 s
0...60000 s
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Value
Depending on the frequency of the measured
current: f ±2 Hz
n
Current measurement: ±1.5% of the set value or
±0.002 x I (at currents in the range of 0.01...4.00 x
n
I )
n
±2.0% of the theoretical value or ±0.50 s
IEC 61850 IEC 60617
identification identification
MPTTR 3Ith>M
1MAC504801-IB E
Description
The calculated temperature of
the protected object
The calculated temperature of
the protected object relative to
the trip level
Estimated time to trip
Estimated time to deactivate
BLK_CLOSE in seconds
Status
ANSI/IEEE C37.2
device number
49M
620 series ANSI
Technical Manual