Motor Controllers
AC Semiconductor Motor Controller
Types RSE 22 .. - B, RSE 4. .. - B, RSE 60 .. - B
•
Soft starting and stopping of 3-phase
squirrel cage motors
•
Rated operational voltage: Up to 600 VACrms, 50/60 Hz
•
Rated operational current: 3 A or 12 AAC 53 b
•
Potential-free control input
•
LED-indications for supply and operation
•
Transient overvoltage protection built-in
• Integral bypassing of semiconductors
Product Description
Compact easy-to-use AC
semiconductor motor con-
troller. With this controller 3-
phase motors with nominal
load currents up to 12 A can
be soft-started and/or soft-
stopped. Starting and stop-
ping time as well as initial
torque can be independently
adjusted by built-in potentio-
meters.
Ordering Key
Solid State Relay
Motor controller
E-line housing
Rated operational voltage
Rated operational current
Control voltage
RSE 40 03 - B
Type Selection
Type
RSE: E-series,
motor controller
Rated operational
voltage U
e
Rated operational
current I
e
Control voltage
U
c
*)
-B: 24 to 110 VAC/DC
& 110 to 480 VAC
22: 127/220 VACrms, 50/60 Hz 03: 3 A
40: 230/400 VACrms, 50/60 Hz 12: 12 A
48: 277/480 VACrms, 50/60 Hz
60: 346/600 VACrms, 50/60 Hz
*) The control voltage should never be higher than the rated operational voltage.
Input Specifications (Control Input)
Control voltage U
c
A1-A2:
A1-A3:
Rated insulation voltage
24 - 110 VAC/DC ±15%,
12 mA
110 - 480 VAC ±15%,
5 mA
630 V rms
Overvoltage cat. III (IEC 60664)
Output Specifications
Utilization category
Overload current profile
(overload relay trip class)
RSE ..03-B
RSE ..12-B
Min. load current
RSE ..03-B
RSE ..12-B
AC-53b Integral bypassing
of semiconductors
3A: AC-53b:3-5:30
12A: AC-53b:3-5: 180
100 mAAC rms
200 mAAC rms
Dielectric strength
Dielectric voltage
2 kVAC (rms)
Rated impulse withstand volt. 4 kV (1.2/50 µs)
Specifications are subject to change without notice
(30.09.2005)
1
RSE 22 .. - B, RSE 4. .. - B, RSE 60 .. - B
Supply Specifications
(IEC 60038)
127/220 VAC rms ±15%
50/60 Hz -5/+5 Hz
40
230/400 VAC rms ±15%
50/60 Hz -5/+5 Hz
48
277/480 VAC rms ±15%
50/60 Hz -5/+5 Hz
60
346/600 VAC rms ±15%
50/60 Hz -5/+5 Hz
Voltage interruption
≤
40 ms
Dielectric voltage
None
Rated impulse withstand volt. 4 kV (1.2/50 µs)
Rated operational power
2 VA
supplied from
L1-L3
Power supply
Rated operational volt. (U
e
)
through terminals L1-L2-L3
22
Overvoltage cat. III (IEC 60664)
General Specifications
Accuracy
Ramp up
Ramp down
Initial torque
EMC
Immunity
Indication for
Power supply ON
Ramp up/down bypassing relay
Environment
Degree of protection
Pollution degree
Operating temperature
Storage temperature
Screw terminals
Tightening torque
Terminal capacity
Approvals
CE-marking
5.5 - 7.5 s on max.
≤
0.5 s on min.
6 - 10 s on max.
≤
0.5 s on min.
70 - 100% on max.
5% on min.
Electromagnetic Compatibility
acc. to EN 61000-6-2
LED, green
LED, yellow
IP 20
3
-20° to +50°C (-4° to +122°F)
-50° to +85°C (-58° to +185°F)
Max. 0.5 Nm acc. to IEC 60947
2 x 2.5 mm
2
CSA (<7.5 HP @ 600 VAC),UL, cUL
Yes
Mode of Operation
This motor controller is in-
tended to be used to softstart/
softstop 3-phase squirrel cage
induction motors and thereby
reduce the stress or wear on
gear and belt/chain drives and
to give smooth operation of
machines. Soft starting and/or
stopping is achieved by con-
trolling the motor voltage.
During running operation the
semiconductor is bypassed by
an internal electromechanical
relay.
The initial torque can be ad-
justed from 0 to 85% of the
nominal torque.
The soft-start and soft-stop
time can be adjusted from 0.5
to approx. 7s.
A green LED indicates supply.
Two yellow LEDs indicate
Ramp up/down and Running
mode.
Overload protection is not pro-
vided in this motor controller
and must therefore be in-
stalled separately.
The controller is switching
2 lines. The 3rd line is continu-
ously connected to the load.
Semiconductor Data
Rated opera-
tional current
3A
12 A
I
2
t for fusing
t = 1 - 10 ms
72 A
2
s
610 A
2
s
I
TSM
120 A
p
350 A
p
dI/dt
50 A/µs
50 A/µs
Functional Diagram
Operation Diagram 1
Motor voltage
1
Operation Diagram 2
Mains Ue
100%
3
2
M
3~
Control input Uc
Time
1 Ramp-up time 0.5 to 6.5s. Time from zero load voltage to full load
voltage.
2 Ramp-down time 0.5 to 8.0s. Time from full load voltage to zero
load current.
3 Initial torque 0 to 85% voltage at the start of the ramp-up function.
LED
LED
LED
2
Specifications are subject to change without notice
(30.09.2005)
RSE 22 .. - B, RSE 4. .. - B, RSE 60 .. - B
Dimensions
Housing Specifications
Weight
Housing material
Colour
Terminal block
Colour
Bottom clip
Colour
Diode cover
Colour
Front knob
Colour
270 g
PC/ABS Blend
Light grey
PBTP
Ligh grey
POM
Black
PC
Grey Transparent
PA
Grey
All dimensions in mm
Applications
Changing from Direct ON
Line start to soft start
(Line controlled soft-start)
(Fig.
1
&
Fig. 2)
Changing a Direct On Line start
into a soft start is very simple
with the RSE soft-starting re-
lay:
1) Cut the cable to the motor
and insert the RSE relay.
2) Connect control input to two
of the incoming lines. Set
initial torque to minimum and
ramp up and down to maxi-
mum.
Fig. 1
3) Power up again - adjust the
start torque so the motor
starts turning immediately
after power is applied, and
adjust ramp time to the
appropriate value.
When C1 is operated, the
motor controller will perform
soft-start of the motor. When
C1 is switched off, the motor
will stop, the motor controller
will reset and after 0.5 s a new
soft-start can be performed.
Please note that the controller
does not insulate the motor
from the mains. Contactor C1
is therefore needed as a ser-
vice switch for the motor.
I
>
L1
L2
L3
L1
L2
L3
N
I
>
I
>
L3
A1
U/T1
U/T2
W/T3
U/T1
U/T2
L1
L2
L3
L1
L2
L3
C1
C1
L1
L2
L3
L1
L2
L3
A1
A2
A3
W/T3
Soft-start and soft-stop
(Fig. 3)
When S1 is closed, soft-start
of the motor will be performed
according to the setting of the
ramp-up potentiometer and
the setting of the initial torque
potentiometer. When S1 is
opened, soft-stop will be per-
formed according to the set-
ting of the ramp-down
potentiometer.
M
M
1L1
3L2
5L3
L1
L2
S1
~
A2
A3
L1
L2
L3
L1
L2
L3
A1
M
A2
A3
U/T1
U/T2
W/T3
U/T1
U/T2
W/T3
U/T1 U/T2 W/T3
Fig. 3
M
M
Fig. 2 For voltages higher than 480 VAC
Specifications are subject to change without notice
(30.09.2005)
3
RSE 22 .. - B, RSE 4. .. - B, RSE 60 .. - B
Applications
Time between rampings
To prevent the semiconduc-
tors from overheating, a cer-
tain time between ramping
should be allowed. The time
between rampings depends
on the motor current during
ramping and ramp time (see
tables below).
RSE .. 03 - B
Time between rampings
Ramp time (sec.)
I ramp (A)
18
15
12
9
6
3
1.5
RSE .. 12 - B
Time between rampings
Ramp time (sec.)
I ramp (A)
72
60
48
36
24
12
6
Note:
Table is valid for ambient
temperature 25°C. For higher
ambient temperature add
5%/°C to values in the tables.
The shaded areas in the ta-
bles are for blocked rotor. Do
not repeat rampings with
blocked rotor.
Fusing Considerations
The motor controller provides
by-passing of the semicon-
ductors during running opera-
tion. Therefore the semicon-
ductors can only be damaged
by short-circuit currents dur-
ing ramp-up and ramp-down
function.
A 3-phase induction motor
with correctly installed and
adjusted overload protection
does not short totally between
lines or directly to earth as
some other types of loads,
e.g. heater bands. In a failing
motor there will always be
some part of a winding to limit
the fault current. If the motor
is installed in an environment
where the supply to the motor
cannot be damaged, the short
circuit protection can be con-
sidered to be acceptable if the
controller is protected by a 3-
pole thermal-magnetic over-
load relay (see table below).
If the risk of short circuit of the
motor cable, the controller or
the load exists, then the con-
troller must be protected by
ultrafast fuses, e.g. for a 3 A
type: Ferraz 660 gRB 10-10,
for an 12 A type: Ferraz 660
gRB 10-25. Fuseholder type
PST 10.
1
15 sec
12 sec
10 sec
8 sec
5 sec
2 sec
1 sec
2
30 sec
20 sec
20 sec
12 sec
9 sec
5 sec
2 sec
5
1.5 min
60 sec
50 sec
30 sec
25 sec
20 sec
5 sec
10
2.5 min
1.5 min
70 sec
50 sec
40 sec
35 sec
5 sec
1
2.5 min
1.5 min
50 sec
30 sec
15 sec
10 sec
5 sec
2
5 min
3 min
1.5 min
1 min
40 sec
20 sec
9 sec
5
40 min
13 min
5 min
3 min
1.5 min
50 sec
20 sec
10
N/A
17 min
10 min
7 min
2.5 min
70 sec
40 sec
Recommended thermal-magnetic overload relay
Selection Chart
Thermal-magnetic overload relay and motor controller
Motor full load current (AACrms)
Overload relay type GV 2-
Manufacturer: Telemecanique
Overload relay type MS 325-
Manufacturer: ABB
0.1 - 0.16 - 0.25 - 0.4 - 0.63 - 1.0 - 1.6 - 2.5 - 4 -
6.3 - 9 -
0.16 0.25 0.4
0.63 1.0
1.6
2.5
4
6.3
9
12
M 01 M 02 M 03 M 04 M 05 M 06 M 07 M 08 M 10 M 14 M 16
0.16
0.25
0.25
0.4
0.4
0.63
0.63
1
1
1.6
1.6
2.5
2.5
4
4
6.3
6.3
9
10
12.5
16
Motor protection circuit breaker type KTA 3-25- 0.16
Manufacturer: Allan-Bradley/Sprecher + Schuh
Motor controller type:
127/220 V mains
230/400 V mains
270/480 V mains
400/690 V mains
Example:
Line voltage: 230/400 V
Motor 1.5 HP: 1.1 kW
Full load current: 2.9 A
RSE 22 03 - B
RSE 40 03 - B
RSE 48 03 - B
RSE 60 03 - B
Step 1:
Select overload relay:
In this example GV 2 - M 08,
MS 325 - 4 or KTA 3-25-4A
must be used.
Step 2:
Select motor controller:
For line voltage 230/400 V and
overload, relay GV 2 - M 08 or
MS 325 - 4 with a setting of
2.9 A type RSE 40 03 -B can
be selected.
RSE 22 12 - B
RSE 40 12 - B
RSE 48 12 - B
RSE 60 12 - B
N.B.: For motors with full load
current from 12 A to 40 A, see
types RSH and RSC/RSO.
4
Specifications are subject to change without notice
(30.09.2005)
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