Siemens SIRIUS 3RW40 2 Operating Instructions Manual page 6

Quick commissioning instructions
Thermistor connection (3RW40.-.TB0. only)
– Thermoclick connection according to Fig. 6.3 (remove jumper)
– PTC connection type A according to Fig. 6.4
CAUTION
Risk of damage to property!
Connection to an unassigned terminal is not permitted.
Suggested setting
Application
Start
voltage %
40
100%
Conveyor belt
70
Roller conveyor
60
Compressor
50
Small fan
40
Pumps
40
Hydraulic pump
40
Stirrers
40
Milling machines
40
1. Switch soft starter 1. Switch off soft starter
off (IN 1 -> 0). (IN 1 -> 0).
2. Increase startup 2. Reduce startup time (turn
time (turn potentio- potentiometer anti-
meter clockwise). clockwise).
3. Reduce current limit or
value (turn 3. Increase limit value if the
potentiometer anti- current limit is set (turn
clockwise). potentiometer clockwise).
The motor reaches
its nominal rotational
speed
- with a torque
Motor:
increase that is too
high
- faster than desired,
with a startup
current that is too
high
Increase stopping time (turn
potentiometer clockwise)
The motor stops
abruptly and not
softly.
Soft stopping
6
Startup parameters
Current limit
Startup
value
time s
5
x I
10 e
20s 1.3 5
0
5 x I
10
e
5 x I
10
e
4 x I
10
e
4 x I
10
e
4 x I
10
e
4 x I
10
e
4 x I
20
e
4 x I
20
e
1. Switch off soft starter
(IN 1 -> 0).
2. Increase start voltage
(turn potentiometer
clockwise)
or
3. Increase limit value if the
current limit is set (turn
potentiometer clockwise).
The motor reaches
The motor
its nominal hums and
rotational speed does not
- slower than
start
desired,
immediately
- with a startup
current that is too
high
- not at all
(motor stuck)
Reduce stopping time (turn
potentiometer anticlockwise)
The motor keeps
going for too long.
Quick commissioning of
the 3RW40 SIRIUS
soft starter
1. Wiring control
- Control part and
- Performance part
2. Configure device
Motor protection
- Set the rated motor current of the device using the
I controller
e
Stopping
- Set required switch-off class with the CLASS
switch.
parameters
Set the soft start function
- Current limit value (x I
Stopping time s
- Startup time (s)
- Start voltage (%)
5
10 - Stopping time (s)
to the desired value (see table for suggested
0 20s
settings).
5
3. Check and connect the
5
voltages in the control and
main circuits.
0
0
10
0
0
0
1. Switch soft starter
off (IN 1 -> 0).
2. Reduce start
voltage (turn
potentiometer anti-
clockwise).
The motor
starts with a
No
sudden
increase in
torque
Motor:
No
No
)
e
Determine and rectify the
cause of the fault using the
LED display and the status
table (see Page 7).
"DEVICE" LED
No
cont. green light,
are the other LEDs
off?
Yes
4. Switch soft starter
on (IN 0 -> 1)
Yes
LEDs:
"DEVICE" cont. green
No
light, "STATE/BYPASSED"
flashing green?
Yes
Does
the motor
start softly?
Yes
Does
the motor reach
its nominal rotational speed
quickly and within the
desired time?
Yes
LEDs:
No
"DEVICE" cont. green light,
"STATE/BYPASSED" green
cont. light?
Yes
Switch soft starter
off (IN 1 -> 0)
Yes
Coasting down
Which type of
stopping has been
selected?
Soft stopping
Motor
reaches stationary
commissioning
state as desired?
Yes
3ZX1012-0RW40-2DA1
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