Monitored Data - ABB RELION REX640 Technical Manual

1MRS759142 C
4.10.9
4.10.10
REX640
Technical Manual

Monitored data

Table 940: STTPMSU Monitored data
Name Type
START_CNT INT32
START_TIME FLOAT32
T_ST_CNT FLOAT32
T_RST_ENA INT32
IIT_RL FLOAT32
STALL_RL FLOAT32
STTPMSU Enum
Technical data
Table 941: STTPMSU Technical data
Characteristic
Operation accuracy
1)2)
Start time
I
Fault
detection A
Operate time accuracy
Reset ratio
1) Current before = 0.0 × I , f
n
of 1000 measurements
2) Includes the delay of the signal output contact
Values (Range)
0...999999
0.0...999.9
0.0...99999.9
0...999
0.00...100.00
0.00...100.00
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
current: f
±1.5% of the set value or ±0.002 × I
Minimum
= 1.1 × set Start
27 ms
±1.0% of the set value or ±20 ms
Typically 0.90
= 50 Hz, overcurrent in one phase, results based on statistical distribution
n
Section 4
Protection functions
Unit Description
Number of motor start-
ups occurred
s Measured motor latest
startup time in sec
s Cumulated start-up time
in sec
min Time left for restart when
lockstart is enabled in
minutes
% Thermal stress relative to
set maximum thermal
stress
% Start time relative to the
operate time for stall
condition
Status
±2 Hz
n
n
Typical Maximum
30 ms 34 ms
1005