ABB RELION 620 Series Technical Manual page 627

1MAC504801-IB E
Table 446: 66/51LRS Non group settings
Parameter Values (Range)
Operation 1=enable
5=disable
Operation mode 1=IIt
2=IIt, CB
3=IIt + stall
4=IIt + stall, CB
Counter Red rate 2.0...250.0
Cumulative time Lim 1...500
Emg start Red rate 0.00...100.00
Restart inhibit time 0...250
Motor standstill A 0.05...0.20
6.6.8
620 series ANSI
Technical Manual
Unit Step
s/h 0.1
s 1
% 0.01
min 1
xIn 0.01
Monitored data
Table 447: 66/51LRS Monitored data
Name Type
START_CNT INT32
START_TIME FLOAT32
T_ST_CNT FLOAT32
T_RST_ENA INT32
IIT_RL FLOAT32
STALL_RL FLOAT32
66/51LRS Enum
Default Description
1=enable Operation Disable / Enable
1=IIt Motor start-up operation mode
60.0 Start time counter reduction rate
10 Cumulative time based restart inhibit limit
20.00 Start time reduction factor when emergency
start is On
30 Time delay between consecutive startups
0.12 Current limit to check for motor standstill
condition
Values (Range) Unit
0...999999
0.0...999.9 s
0.0...99999.9 s
0...999 min
0.00...100.00 %
0.00...100.00 %
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Section 6
Supervision functions
Description
Number of motor start-ups
occurred
Measured motor latest startup
time in sec
Cumulated start-up time in sec
Time left for restart when
lockstart is enabled in minutes
Thermal stress relative to set
maximum thermal stress
Pickup time relative to the trip
time for stall condition
Status
621