Siemens SIDOOR AT40 System Manual page 217

The following table describes the properties of different states of the sequential control and
their impact on the system with respect to the slave.
Status
S1: Z_SWITCHING ON
INHIBITED
S2: Z_READY FOR
SWITCHING ON
S3: Z_READY
S4: Z_OPERATION
S5: Z_SWITCH OFF
S6: Z_FAULT
Transferring the controller to operating mode
The drive can be transferred to operating mode via the sequential control. The following
illustration shows an example for the two necessary steps:
AT40, ATD400V, ATD400K, ATD4xxW, ATD400S, ATE250S, ATD400T
System Manual, 06/2016, A2B00096162-AN
Status word Control word System impact
Valid Invalid
Valid Invalid
Valid Invalid
Valid Valid
Valid Invalid
Valid Invalid
Comment/note
Coasting down
Coasting down
Coasting down
Control via PLC ImpDrv is reset at the state transi-
tion.
(TSW1 evaluation)
Ramp stop
(stop/source voltage
brake)
Ramp stop
(stop/source voltage
brake)
Controllers
6.14 Sequential control
217