NEW Series EMC48S50-01
Three-Phase Induction Motor Softstarter
200–480 Vac, 2.2kW (Y), 3.8kW (D)
INDUCTION MOTOR SOLID-STATE REDUCED VOLTAGE STARTER
(SOFTSTARTER) WITH SOFTSTOP FEATURE
The Series EMC can be used as an alternative to costly and relatively big variable
speed controllers in applications such as pumps, fans, compressors and
conveyors.
Its six-thyristor structure, working like a full-wave phase angle controller (both
positive and negative cycles are controlled), reduces the induction motor starting
current as well as the motor starting torque. The reduction in motor starting
current improves the efficiency of the power used. It also avoids voltage
fluctuations that lead to ambient light variations or “flicker.”
The Series EMC fits existing applications without any modification of the wiring
field configuration. Thus it can replace an electromechanical star-delta starter
without changing the motor coupling. The EMC may be implemented like a
standard three-phase electromechanical contactor for induction motors.
Furthermore, its ability to be installed inside the delta wiring allows the Series
EMC to drive 1.73 times more current than a standard on line softstarter.
The Series EMC features diagnostic and self-test functions to assist with machine
maintenance, reduce costs, and delays of restarting equipment.
MAIN CHARACTERISTICS
Max. Motor Power @40° C
Star (Y)
400Vac
2.2kW
230Vac
1.3kW
Delta (D)
400Vac
3.8kW
230Vac
2.2kW
IAC53a @40° C
Max.
5A
Phase to
Mains
Phase
Frequency
EN60947-4-2 Voltage
3.5A
200 to
480Vac
40 to 65Hz
Status In/Out/Case Operating
Output
Isolation Temperature
24V/1A
AC/DC
– 40° C to
+100° C
Input
10 to
24Vdc
4kV
BENEFIT FOR MOTOR STARTING
DIRECT ON LINE (DOL) STARTING
STAR (Y)
TYPICAL WIRINGS
DELTA (D)
Speed
• Mechanical part stress
- Noise
- Maintenance costs
• High inrush current
- Motor and mains
protection oversized
- Risk of flicker
In
On Line
Current
t
SOFTSTARTING WITH EMC
Speed
• Softstarting
- Noise reduction
- Maintenance cost
reduction
• No more high inrush
current
- Motor and mains
protections
optimization
- No more harmonic or
flicker problems
In
On Line
Current
t
© 2003 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
EMC48S50-01 1
EMC48S50-01\032003\Q1
Series EMC48S50-01
SETTINGS AND DIAGNOSTIC
Fig. 1
INTERNAL DIAGRAM
Fig. 2
DESCRIPTION
Three-phase mains connections
Supply
1L1
LEDs
Supply
Phases
Switches
Internal
Supply
3L2
5L3
LEDs
6
5
4
3
2
1
0V
Urg. Stop
Control Input
Bypass
µController
Switch
Status
Diag.
Power
Element
Control
Power
Elements
Voltage
Synchr.
Start / Line
Stop / Load
0V
6
(Behind the label)
Option
switches
1L1
3L2
5L3
Motor
Softstarter
1L1
3L2
5L3
Soft-
Stop
Byp.
Controls
+
5
4
Ctrl
Byp.
NPN
Start
Kick
Soft-
Stop
Byp.
Status
outputs
Time(s)
0.5
0.25
0
64
32
1
3
2
1
2T1
4T2
6T3
Diag.
Initial
Torque
Made in
France
2T1
4T2
6T3
0.3 0.4
2 0.2
0.5
40
0.6
0.7
8 1
16
0.9 0.8
2T1
4T2
6T3
Time Torque
Options
Settings
Motor connections
Terminals
Function
Input/Output
Activated when...
Polarization
1&2
Diagnostic
Output
Closed
NO (AC or DC)
DESCRIPTION OF THE CONNECTIONS
2&3
4&6
5&6
Bypass
Output
Closed
NO (AC or DC)
Control
Input
High (PNP)
or Low (NPN)
Yes (4+ / 6– )
Urgent stop
Input
Open
Yes (5+ / 6– )
1L1, 3L2, 5L3
Three-phase mains
(Obligatory)
Input
3x200Vac
NO (AC)
2T1, 4T2, 6T3
Motor supply
(Obligatory)
Output
100ms
after control
NO (AC)
Setting/Option
Function
Possibilities
Time
Increasing voltage
ramp duration
Ts=0 up to 64s
DESCRIPTION OF THE SETTINGS AND OPTIONS
Initial Torque
Soft Stop
Bypass
Bypass presence
Min. voltage
Decreasing voltage
diagnostic option
applied to the
ramp duration
(if bypass used)
motor at start
0, 1/2, 1 or 2 x ts
0 up to 100%
up to 64s max.
NPN/Start
Softstarter type of
control option
PNP, NPN or on
mains presence
Kick
Motor shaft
breakaway
0 up to 100ms
depending on ts
Proceeding
Fig. 3
DESCRIPTION OF THE DIFFERENT SETTING PARAMETERS
Voltage Applied to
the Motor
(“Initial Torque”)
Vn
(DOL)
Motor Speed
Starting
Current
800% In
Nn
Voltage
on Motor
Kick
0.9
0.8
0.7
0.6
0.5
0.4
Motor Speed
ts
0.3
0.2
0.1
In
0
Control
Motor Shaft
Turning
Detection
Nominal Speed:
End of the
Softstarting and
Bypass Closing
Theoretical End
of the Voltage
Ramp Set by
the User (ts)
Stop
End of the
Fast Deceleration
Back to the
Initial State
and
Diagnostic
t
EMC48S50-01 2
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2003 TELEDYNE RELAYS
EMC48S50-01\032003\Q1
NPN
Start
Kick
Urg.
Stop
Series EMC48S50-01
SETTINGS AND DIAGNOSTIC
Visualization
Supply
Line
Load
DESCRIPTION OF THE DIAGNOSTIC INFORMATION IN NORMAL OPERATION
Status Output
Motor
Probable Cause
Bypass
Diag.
Stopped
Stopped
Starting
Running to
nominal speed
Decelerating
No mains or device not correctly wired
Mains voltage and phases OK; motor detected; no control
Mains voltage and phases OK; motor detected;
control detected and beginning of the softstarting ramp
Mains voltage and phases OK; motor detected;
no control detected and end of the softstarting ramp
Mains voltage and phases OK; motor detected;
no control detected and beginning of the softstopping ramp
❍
●
●
●
●
❍
●
●❍
●
❍
❍
●
❍
❍
●❍
Status Output
Bypass
Diag.
DIAGNOSTICS IN CASE OF FAILURE
Visualization
Supply
Line
Loa d
Motor
Stopped
Stopped
Running
Stopped
Possible Cause
Mains voltage too low
Phase(s) missing; mains frequency
out of range; too much inteference
Phase(s) missing
Solution
Check the phases 3L2 and 5L3
Check the phases
Check the phases
●❍
❍
❍
❍
❍
●❍
●
●❍
●❍
❍
●
●
●
●❍
●❍
●
●❍
●❍
●❍
❍
❍
●
●❍
●❍
●
❍
●❍
Stopped
Load missing; short-circuited
Check the motor connections and
thyristor
the solid-state switches
Bypass missing (its checking is re-
quired by the corresponding option) Check the bypass connections or, if
not used, cancel the checking
option
Check if the connection between
5 and 6 of the control terminal block
is correctly done. Check as well if
the load current is sufficient.
Disconnect the softstarter
from the mains for a while
Remove the control for a while
Stopped
The solid-state switches cannot
close
Microcontroller malfunction
A problem occurred on the mains
(no voltage or a phase is missing)
then disappeared, but the control
voltage was applied
A problem occurred on the load
(temporary disconnection) then
disappeared, but the control voltage
was applied
Stopped
Stopped
Stopped
Remove the control for a while
LEGEND
❍
Off
●
Green
●
Red
●❍
Flashing Green
●❍
Flashing Red
Open
Closed
IMPORTANT INFORMATION ABOUT THE DIAGNOSTIC
1. The device makes a complete diagnostic (mains, load and itself) since it has enough supply voltage (On the mains or on the control side).
2. The device only checks the presence of the phases and the closing of the solid-state switches during the voltage ramps (softstart and softstop)
and during the full on-state period.
3. The control overrides the diagnostic.
• If a problem occurs during the control period, the device will close all the solid-state switches. If the problem goes on during the full
on-state period, the corresponding information will be given to the user according to the table above.
• Likewise, if a problem occurs during the softstopping period, the device will stop immediately in order to reach the off-state diagnostic
period.
4. On a hard stop (no softstop) and in the case of driving a large motor, the device may temporarily display a problem concerning the mains. This
is due to an important residual voltage across the motor windings (back EMF generated by the motor rotation and the remaining magnetic field).
This security allows the user to avoid connecting the motor to the mains in bad conditions. This phenomenon can be cancelled by using the
softstop feature that slowly reduces the remaining magnetic field inside the motor. This also avoids overvoltage across the solid-state switches
(increasing the lifetime expectancy of the integrated varistors). Therefore, softstop is recommended even with high inertia motor loads.
© 2003 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
EMC48S50-01 3
EMC48S50-01\032003\Q1
Series EMC48S50-01
CONTROL
CONTROL INPUTS AND STATUS OUTPUTS
Fig. 4
HIGH SIDE CONTROL (PNP)
Fig. 5
LOW SIDE CONTROL (NPN)
Fig. 6 STATUS OUTPUT UTILIZATION
+
Control
Ict
0V
0V
6
or
Ic
6
5
4
3
Urg.
Stop
Ctrl
Ict
Urg.
Stop
Ctrl
Byp.
Diag.
+
3
5
4
+
Bypass Contactor
Line Contactor
Indicators
PLC Inputs
...
0V
6
5
4
3
2
Urg.
Stop
Ctrl
Byp.
Diag.
Vc
Ict
+
Iby
Byp.
Diag.
Initial
or
Vt
or
Vt
2
1
Vsa
or
0V
2
Vt
1
Initial
0V
Immediately
Stop
Control
Ipb
1
Initial
Immediately
Stop
ELECTRICAL CHARACTERISTICS OF THE STARTING AND STOPPING INPUTS
Characteristics
Input
Function
Control Type
(Depending on the option switches)
Concerned Terminals
Control Voltage Range
(according to EN60947-4-2)
Min. Control Voltage
Max. Voltage Drop
Max. Input Voltage
Max. Reverse Voltage
Release Voltage
Control Current
Current to Switch
Labels
Values
(Given at 20° C ambient unless otherwise specified)
Control
Urg. Stop
Immediately stop
Controlling the device
the device
High side control
Low side control
Opening the
(PNP)
(NPN)
connection to zero volt
4&6
4&6
5&6
10-24Vdc
8.5V
Vcmax=28Vdc
Vcmax=28Vdc
Vc<1Vdc
5– 19mAdc
2.5Vdc
Vtmax=28Vdc
Vtmax=28Vdc
Vt>2.5Vdc
50-100
µ
Adc
1.5Vdc
Vtmax=6Vdc
Vtmax=6Vdc
Vt>1.5Vdc
20mAdc
See Fig. 7
Depends on Vt
Remarks
Vc
Vcmin.
Vt
Ic
Ict
Characteristics
Output
Concerned Terminals
Function
Nom. Operating Voltage
Operating Voltage Range
Non-Repetitive Max. Peak Voltage
Protection Against Overvoltage
Min. Load Current
Max. Permanent Current
Overload Current
Protection Against Short Circuits
On-State Resistance
Off-State Resistance
Off-State Capacitance
Turn-On Time
Turn-Off Time
Labels
Vsan
Vsa
Vsapmax
Ibymin
Ipbmin
Iby/Ipb
Ibyp/Ipbp
STATUS OUTPUT CHARACTERISTICS
Values
(Given at 20° C ambient unless otherwise specified)
Diag.
Bypass
1&2
2&3
Indicates the end of the starting
Environment problem detection or
period and can be used to control a
faulty device indication
bypass electromechanical contactor
24Vac/dc
0-28Vac/dc
60V
Yes; 25V size 7 varistors integrated
0
1A ac/dc
2.4A ac/dc
No
Remarks
See Fig. 11 & 12
See Fig. 8
@100ms
10% of the cycle
See Fig. 9
See Fig. 10
Ron
Roff
Coff
Toff
Ton
500m
Ω
100M
Ω
130pF
0.5ms
2ms
EMC48S50-01 4
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2003 TELEDYNE RELAYS
EMC48S50-01\032003\Q1
Series EMC48S50-01
CONTROL
CHARACTERISTIC CURVES OF THE CONTROLLING INPUTS AND STATUS OUTPUTS
Fig. 7
CONTROL INPUT CURRENT/VOLTAGE
CHARACTERISTIC IN PNP MODE (HIGH SIDE CONTROL)
Fig. 8
MAX. OUTPUT STATUS CURRENT
VERSUS AMBIENT TEMPERATURE
Load
Current
Iby / Ipb
(A)
1
0.9
0.8
0.7
0.6
Vc min
Control Voltage
Range
According to
EN60947-4-2
Control
Voltage
Vc in Volts
24
22
20
18
16
14
12
10
8
6
4
2
Control Current
Ic in mA
Vc max
0.5
0.4
0.3
0.2
0.1
10
20
30
40
50
60
70
80
Ambient
90 100 110 120 130 Temperature (°C)
Vc
Releasing
2
4
6
8
10
12
14
16 18
20
22 24
26
Fig. 9
OFF-STATE STATUS OUTPUT PARASITIC
CAPACITANCE VERSUS OUTPUT VOLTAGE
Fig. 10
ON-STATE STATUS OUTPUT RESISTANCE
VERSUS AMBIENT TEMPERATURE
Output
Resistance
Roff
(mΩ)
1000
500
400
300
200
100
Output
Capacitance
Coff
(pF)
875
750
625
500
375
10
20
30
40
50
Auxiliary
Voltage
Vsa
(V)
250
125
Ambient
Temperature (°C)
–50 –25
0
25
50
75
100 125
Fig. 11
STATUS OUTPUT OVERVOLTAGE
PROTECTION CHARACTERISTIC
Fig. 12 MAX. OVERLOAD PULSES REGARDING DURATION
FOR OVERVOLTAGE PROTECTION OF STATUS OUTPUTS
10
3
A
i
max
i
max
10
2
5
1x
2x
10
10
3
10
10
0
5
10
–1
5
200
v
100
80
60
40
25
20
25
t
r
10
1
5
10
2
10
4
10
6
∞
10
10
–5
10
–4
10
–3
10
–2
10
–1
10
0
10
1
10
2
i
A
10
3
5
10
–2
10
5
100
5
1000
5
t
r
10000
© 2003 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
EMC48S50-01 5
EMC48S50-01\032003\Q1
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