Signals - ABB RELION REX640 Technical Manual

1MRS759142 C
4.10.7
REX640
Technical Manual
n specified maximum allowed number of motor start-ups
t start-up time of the motor (in seconds)
margin safety margin (~10...20 percent)
Counter Red rate
Setting of
Counter Red rate is calculated by
t
t
∆ =
∑
s
t
reset
GUID-30D5BCC8-06EE-4101-89F5-BF2762567C6A V1 EN
t specified start time of the motor in seconds
t duration during which the maximum number of motor start-ups stated by the manufacturer can be
reset
made; time in hours

Signals

Table 934: STTPMSU Input signals
Name Type
I3P SIGNAL
BLOCK BOOLEAN
BLK_LK_ST BOOLEAN
CB_CLOSED BOOLEAN
STALL_IND BOOLEAN
ST_EMERG_ENA BOOLEAN
Table 935: STTPMSU Output signals
Name Type
OPR_IIT BOOLEAN
OPR_STALL BOOLEAN
MOT_START BOOLEAN
LOCK_START BOOLEAN
Protection functions
Default Description
- Three-phase currents
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
Operate/trip signal for thermal stress.
Operate/trip signal for stalling protection.
Signal to show that motor startup is in progress
Lock out condition for restart of motor.
Section 4
(Equation 239)
1003