Monitored Data; Technical Data; Technical Revision History - ABB 615 series Technical Manual

Section 4
Protection functions
4.1.5.8
4.1.5.9
4.1.5.10
284

Monitored data

Table 283: 49T Monitored data
Name Type
TEMP FLOAT32
TEMP_RL FLOAT32
T_TRIP INT32
T_ENA_CLOSE INT32
TEMP_AMB FLOAT32
49T Enum

Technical data

Table 284: 49T Technical data
Characteristic
Operation accuracy
1)
Trip time accuracy
1) Overload current > 1.2 x Trip level temperature

Technical revision history

Table 285: 49T Technical revision history
Technical revision
B
C
D
Values (Range) Unit
-100.0...9999.9 °C
0.00...99.99
0...60000 s
0...60000 s
-99...999 °C
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
Change
Added the AMB_TEMP input
Internal improvement.
Internal improvement.
1MAC059074-MB A
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
The ambient temperature
used in the calculation
Status
615 series ANSI
Technical Manual