Siemens SIDOOR ATD4 W Series - Page 166

The following table describes the properties of di󹪜erent states of the sequential control and their
impact on the system with respect to the slave (= SIDOOR control unit).
Status Status word Control
word
System impact Comment/note
S1: Z_EINSCHALTSPERRE Valid Invalid Deenergize After a ramp down the motor is
switched to the free-running mode
(deenergize).
S2: Z_EINSCHALTBEREIT Valid Invalid Deenergize After a ramp down the motor is
switched to the free-running mode
(deenergize).
S3: Z_BETRIEBSBEREIT Valid Invalid Deenergize After a ramp down the motor is
switched to the free-running mode
(deenergize).
S4: Z_BETRIEB Valid Valid Control via PLC
(TSW1 evaluation)
ImpDrv is reset at the state transi‐
tion.
S5: Z_ABSCHALTEN Valid Invalid Ramp stop (stop/source
voltage brake)
S6: Z_STOERUNG Valid Invalid Ramp stop (stop/source
voltage brake)
Controllers
5.6 Sequential control
ATD4xxW for industrial applications
164 System Manual, 06/2022, A5E51901827B AA