Siemens SIMATIC ET 200pro - Table 10-27: Electronic; Mechanical Switching Technology - Signals and Actions

SIMATIC – ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
10-39
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:
Signal Action
Switching element defective
(e.g. contactor contact fused, power semi-
conductor failed)
Tripping
Switching element overload
(e.g. power semiconductor too hot)
Tripping
Table 10-27: Electronic / mechanical switching technology – signals and actions