4.1.10.8
Monitored data
Table 362: PHPTUC Monitored data
Name
Type
Values (Range)
Unit
Description
START_DUR
FLOAT32
0.00...100.00
%
Ratio of start time / op-
erate time
PHPTUC
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.1.10.9
Technical data
Table 363: PHPTUC Technical data
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured current and vol-
tages: f
n
±2 Hz
±1.5% of the set value or ± 0.002 × I
n
Start time
Typically <55 ms
Reset time
<40 ms
Reset ratio
Typically 1.04
Retardation time
<35 ms
Operate time accuracy in definite time mode
mode ±1.0% of the set value or ±20 ms
4.1.11
Thermal overload protection for motors MPTTR
4.1.11.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Thermal overload protection for
motors
MPTTR
3Ith>M
49M
4.1.11.2
Function block
Figure 179: Function block
Protection functions
1MRS757644 H
362
620 series
Technical Manual
