Monitored Data; Technical Data; Technical Revision History - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
4.1.11.8
4.1.11.9
4.1.11.10
360

Monitored data

Table 371: MPTTR Monitored data
Name Type
TEMP_RL FLOAT32
TEMP_AMB FLOAT32
THERMLEV_ST FLOAT32
THERMLEV_END FLOAT32
T_ENARESTART INT32
MPTTR Enum
Therm-Lev FLOAT32

Technical data

Table 372: MPTTR Technical data
Characteristic
Operation accuracy
1)
Operate time accuracy
1) Overload current > 1.2 × Operate level temperature

Technical revision history

Table 373: MPTTR Technical revision history
Technical revision
B
C
D
E
Values (Range) Unit
0.00...9.99
-99...999 °C
0.00...9.99
0.00...9.99
0...99999 s
1=on
2=blocked
3=test
4=test/blocked
5=off
0.00...9.99
Value
Depending on the frequency of the measured
current: f ±2 Hz
n
Current measurement: ±1.5% of the set value or
±0.002 × I (at currents in the range of 0.01...4.00
n
× I )
n
±2.0% of the theoretical value or ±0.50 s
Change
Added a new input AMB_TEMP.
Added a new selection for the
mode setting "Use input".
Internal improvement.
Time constant stop range maximum value
changed from 8000 s to 60000 s.
Internal improvement.
1MRS757644 F
Description
The calculated
temperature of the
protected object relative
to the operate level
The ambient temperature
used in the calculation
Thermal level at
beginning of motor
startup
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 operate level)
Env temperature
620 series
Technical Manual