ABB RELION REX640 Technical Manual page 1102

Protection functions
n
t
margin
Setting of
Counter Red rate is calculated by
∑
∆
t
t
reset
4.10.7 Signals
4.10.7.1 STTPMSU Input signals
Table 1036: STTPMSU Input signals
Name
I3P
BLOCK
BLK_LK_ST
CB_CLOSED
STALL_IND
ST_EMERG_ENA
1102
specified maximum allowed number of motor start-ups
start-up time of the motor (in seconds)
safety margin (~10...20 percent)
Counter Red rate
t
=
t
s
t
reset
specified start time of the motor in seconds
duration during which the maximum number of motor start-ups stated by the
manufacturer can be made; time in hours
Type
SIGNAL
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
Default Description
- Three-phase currents
0=False Block of function
0=False Blocks lock out condi-
tion for restart of mo-
tor
0=False Input showing the
status of motor cir-
cuit breaker
0=False Input signal for show-
ing the motor is not
stalling
0=False Enable emergency
start to disable lock
of start of motor
1MRS759142 F
(Equation 284)
REX640
Technical Manual