Earth-Fault Protection - ABB RELION 620 Series Technical Manual

1MRS757644 H
Name
THERMLEV_END FLOAT32
T_ENARESTART
MPTTR
Therm-Lev
4.1.11.9 Technical data
Table 372: MPTTR Technical data
Characteristic
Operation accuracy
Operate time accuracy
4.1.11.10 Technical revision history
Table 373: MPTTR Technical revision history
Technical revision
B
C
D
E
1
Overload current > 1.2 × Operate level temperature
620 series
Technical Manual
Type Values (Range)
0.00...9.99
INT32 0...99999
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
FLOAT32 0.00...9.99
Value
Depending on the frequency of the measured current: f
Hz
Current measurement: ±1.5% of the set value or ±0.002 × I
(at currents in the range of 0.01...4.00 × I
±2.0% of the theoretical value or ±0.50 s
Protection functions
Unit
s
Change
Added a new input
AMB_TEMP
Added a new selection for the
ture mode setting "Use input".
Internal improvement.
Time constant stop range maximum value
changed from 8000 s to 60000 s.
Internal improvement.
Description
Thermal level at
the end of motor
startup situation
Estimated time
to reset of block
restart
Status
Thermal level of
protected object
(1.00 is the oper-
ate level)
±2
n
n
)
n
.
Env tempera-
375