1 General – EMS2-…-SWD electronic motor starter
1.3 Device overview EMS2-…-SWD
EMS2…-SWD Electronic motor starter
10/19 MN120008EN
www.eaton.com
7
1.3 Device overview EMS2-…-SWD
EMS2-…-SWD series electronic motor starters serve to switch and protect
three-phase asynchronous motors.
Depending on the version, the following functions are available:
•
Direct starter (DO = Direct Online)
•
Reversing starter (RO = Reverse Online)
•
Motor protection
•
Overload protection
•
Phase failure
•
Phase imbalance
•
Category 3 controlled stop
PL e DIN EN ISO 13849, SIL 3 IEC 61508
The compact devices contain the required interlocks which are necessary for
the specified functions in order to reduce the wiring.
The supply of the device as well as the actuation of the operating direction
takes place via the internal SmartWire-DT (SWD) interface. In addition, the
motor starter uses this interface in order to provide additional information for
a superordinate controller.
Notes on the application range
→
Do
not
operate single-phase motors in conjunction with an
EMS2-…-SWD electronic motor starter.
→
It is not permitted to use the motor starters described in this
Section in potentially explosive areas (ATEX).
Only motors in Ex e increased safety areas may be controlled.