Siemens SIDOOR AT40 System Manual page 45

Signals
Signal
1 (voltage applied)
0 (voltage not applied)
* The response of SIDOOR ATD4xxW controllers also depends on the particular system mode. See
the table below.
Table 6- 2
Mode
Learn run mode
Initial mode
Normal mode
Special mode
AT40, ATD400V, ATD400K, ATD4xxW, ATD400S, ATE250S, ATD400T
System Manual, 06/2016, A2B00096162-AN
Description
Light curtain is not interrupted.
Light curtain is interrupted*.
Response of SIDOOR ATD4xxW controllers to an active light curtain signal
Response
Learn run is canceled and the drive is deenergized.
The system is stopped via a ramp down in conjunction with the active
"Close" drive order.
Reverses the system in conjunction with the active "Close" drive order.
The system response to an obstruction detected while reversing can be
configured accordingly. The following drive order can be defined with
parameter p1211 (see Section Calibration and function parameters
(Page 175)).
In positioning mode, the drive is stopped via a ramp down.
The system is stopped via a ramp down in conjunction with the active
"Close" drive order.
Controllers
6.2 Drive functions
45