Table 10-27: Electronic / Mechanical Switching Technology - Signals And Actions - Siemens SIMATIC ET 200pro Quick Manual

10.16 Electronic / mechanical switching technology
Electronic switching technology
The motor starter controls the motor with power semiconductors in 2 phases
with thyristors
Mechanical switching technology
The motor starter controls the motor in 3 phases with contactors.
10.16.1 Signals and actions
These device functions deliver the following signals:
Switching element defective
(e.g. contactor contact fused, power semi-
conductor failed)
Switching element overload
(e.g. power semiconductor too hot)
Table 10-27: Electronic / mechanical switching technology – signals and actions
SIMATIC – ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
Signal Action
Tripping
Tripping
10-39