STTPMSU Settings - Arc protection - Back-up protection - Feeder protection - Motor protection - Technical Manual - REX610 Protection and control - Relion Protection and Control - 1.2 - ANSI - IEC - 12.12.2023

REX610 Technical Manual

Table 1. STTPMSU Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Motor start-up A 1.0...10.0 xIn 0.1 2.0 Motor starting current
Motor start-up time 1...80 s 1 5 Motor starting time
Lock rotor time 2...120 s 1 10 Permitted stalling time
Str over delay time 0...60000 ms 1 100 Time delay to check for completion of motor startup period
Table 2. STTPMSU Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Start detection A 0.1...10.0 xIn 0.1 1.5 Current value for detecting starting of motor.
Table 3. STTPMSU Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation

1=on

5=off

1=on Operation Off / On
Operation mode

1=IIt

2=IIt, CB

3=IIt + stall

4=IIt + stall, CB

1=IIt Motor start-up operation mode
Counter Red rate 2.0...250.0 s/h 0.1 60.0 Start time counter reduction rate
Cumulative time Lim 1...500 s 1 10 Cumulative time based restart inhibit limit
Emg start Red rate 0.00...100.00 % 0.01 20.00 Start time reduction factor when emergency start is On
Restart inhibit time 0...250 min 1 30 Time delay between consecutive startups
Ini start up counter 0...999999 1 0 Initial value for the START_CNT
Table 4. STTPMSU Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Motor standstill A 0.05...0.20 xIn 0.01 0.12 Current limit to check for motor standstill condition