Siemens SIDOOR ATD4 W Series - Power Supply; Optional Additional Units

3.2.3 Power supply
SIDOOR power supplies connect the controllers to the respective application-speci󹪝c power
supply.
Device selection
Power supply Article No. Description
SITOP PSU8200 6EP3446-8SB10-0AY0 Power supply for controllers without an integrated power sup‐
ply unit.
SIDOOR NT40 6FB1112-0AT20-3PS0
SIDOOR TRANSFORMER 6FB1112-0AT20-2TR0
SIDOOR TRANSFORMER UL 6FB1112-0AT21-2TR0
DC voltage supply -
3.2.4 Optional additional units
Additional units meet a range of requirements in order to ensure the universal implementation
and maintenance of the system.
The following additional units are possible:
• SIDOOR SERVICE TOOL
• SIDOOR LINK adapter
• SIDOOR SOFTWARE KIT
Connect the additional units to the control unit in a de-energized state via the interfaces
provided. After applying the mains supply, the additional units are immediately available.
System overview
3.2 Products
ATD4xxW for industrial applications
36 System Manual, 06/2022, A5E51901827B AA