ABB RELION REX640, Technical Manual, Page: 1103 / 1960

4.10.7.2 STTPMSU Output signals
Table 1037: STTPMSU Output signals
Name Type Description
OPR_IIT BOOLEAN Operate/trip signal for ther-
mal stress.
OPR_STALL BOOLEAN Operate/trip signal for stall-
ing protection.
MOT_START BOOLEAN Signal to show that motor
startup is in progress
LOCK_START BOOLEAN Lock out condition for restart
of motor.
4.10.8 STTPMSU Settings
Table 1038: 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 cur-
rent
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 peri-
od
Table 1039: 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 1040: 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
Table continues on the next page
1MRS759142 F Protection functions
REX640
Technical Manual
1103