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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
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