ABB RELION 620 Series Technical Manual page 626

Section 6
Supervision functions
6.6.6
6.6.7
Table 445: 66/51LRS Group settings
Parameter Values (Range)
Pickup detection A 0.1...10.0
Motor start-up A 1.0...10.0
Motor start-up time 1...80
Lock rotor time 2...120
Str over delay time 0...60000
620
Signals
Table 443: 66/51LRS Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
BLOCK BOOLEAN
BLK_LK_ST BOOLEAN
CB_CLOSED BOOLEAN
STALL_IND BOOLEAN
ST_EMERG_ENA BOOLEAN
Table 444: 66/51LRS Output signals
Name Type
OPR_IIT BOOLEAN
OPR_STALL BOOLEAN
MOT_START BOOLEAN
LOCK_START BOOLEAN
Settings
Unit Step
xIn 0.1
xIn 0.1
s 1
s 1
ms 1
Default Description
0 Phase A current
0 Phase B current
0 Phase C current
0=False Block of function
0=False Blocks lock out condition for restart of motor
0=False Input showing the status of motor circuit breaker
0=False Input signal for showing the motor is not stalling
0=False Enable emergency start to disable lock of start of motor
Description
Trip signal for thermal stress.
Trip signal for stalling protection.
Signal to show that motor startup is in progress
Lock out condition for restart of motor.
Default Description
1.5 Current value for detecting starting of motor.
6 Motor starting current
10 Motor starting time
10 Permitted stalling time
100 Time delay to check for completion of motor
startup period
1MAC504801-IB E
620 series ANSI
Technical Manual