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Display Explanation
...%
OVLD%
...%
SCR %
ON
S-TRQ
OFF
S-TRQ
LOCL
CNTRL
REMT
CNTRL
Measured values
Parameter display
SIRIUS 3RW51 Soft Starter
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
Status of the electronic motor overload protection as a percentage.
SCR % (silicon-controlled rectifier, power semiconductor temperature rise)
Status of the intrinsic device protection as a percentage. This measured value reflects the
temperature rise of the power semiconductor. It comprises the measurement of the heat sink
temperature and the calculated temperature rise of the junction (thermal model of the sem‐
iconductor).
The function SOFT TORQUE is activated.
The function SOFT TORQUE is deactivated.
Manual mode
Automatic
Display
Explanation
...A
The average of the 3 phase currents is displayed in amps.
I AVG
...A
Current measured value phase L1 is displayed in amps.
I L1
...A
Current measured value phase L2 is displayed in amps.
I L2
...A
Current measured value phase L3 is displayed in amps.
I L3
Display
Parameter display
..
Current limiting value as a multiple of the set rated operational current I
x I e
motor
...%
Starting voltage
U ON
...s
Ramp-up time
t ON
...s
Stopping time
t OFF
...
Trip class for motor overload protection
CLASS
...A
Rated operational current I
I e
S-TRQ (Soft Torque)
CNTRL (CONTROL)
The master control function is with the 3RW5 HMI Standard ("Man‐
ual operation local - HMI controlled" mode).
Master control function is not with the 3RW5 HMI Standard. To
make the unit the master control, press the LOCL/REMT key. Refer to
chapter Operating modes and master control function (Page 22).
of the motor
e
Functions
8.11 3RW5 HMI Standard
of the
e
107
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