4.1.5.8 Monitored data
Table 283: 49T Monitored data
Name
Type Values (Range) Unit Description
TEMP FLOAT32 -100.0...9999.9 °C The calculated temperature of
the protected object
TEMP_RL FLOAT32 0.00...99.99 The calculated temperature of
the protected object relative to
the trip level
T_TRIP
INT32 0...60000 s Estimated time to trip
T_ENA_CLOSE INT32 0...60000 s Estimated time to deactivate
BLK_CLOSE in seconds
TEMP_AMB FLOAT32 -99...999 °C The ambient temperature
used in the calculation
49T Enum 1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Status
4.1.5.9 Technical data
Table 284: 49T Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the measured
current: f
n
±2 Hz
Current measurement: ±1.5% of the set value or
±0.002 x I
n
(at currents in the range of 0.01...4.00 x
I
n
)
Trip time accuracy
1)
±2.0% of the theoretical value or ±0.50 s
1) Overload current > 1.2 x Trip level temperature
4.1.5.10 Technical revision history
Table 285: 49T Technical revision history
Technical revision
Change
B Added the AMB_TEMP input
C Internal improvement.
D Internal improvement.
Section 4 1MAC059074-MB A
Protection functions
284 615 series ANSI
Technical Manual