Siemens SIDOOR AT40 System Manual page 57

Controllers
4.5 Relay and field bus interfaces
Terminal circuit diagram of the relay contacts
Procedure
Note
Specifications for connecting the relay module
• The cables connected must be suitable for the voltage used and have appropriate
(double or reinforced) insulation. Cables with an external diameter of 6 to 7 mm are
recommended.
• Components of the control device and connecting cable, such as the motor plug and its
wires, may only come in contact with the additional (or reinforced) insulation of the
current-carrying wires.
• Networks with different voltages (for example 24 V and 230 V) must not be connected to
the relay module.
①
②
③
④
⑤
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Cable ties (strain relief in enclosure)
Cable ties (security against being pulled out within the protective cover)
Minimum length of the cable jacket within the protective cover: 5 mm
Minimum length of the single-insulation on the single cores: 5 mm
Insertion direction for the protective cover
Door control units SIDOOR AT40 and ATD400V for elevators
System Manual, 06/2018, A5E42192709-AC