Connecting Outputs - Siemens LOGO! Series Manual

LOGO! installation and wiring
2.3 Wiring LOGO!
2.3.4

Connecting outputs

LOGO! ...R...
The LOGO! ...R... version is equipped with relay outputs. The potential of the relay contacts
is isolated from the power supply and the inputs.
Requirements for relay outputs
You can connect various loads to the outputs; e.g., lamps, fluorescent lamps, motors,
contactor relays, etc. For information on the properties required for the loads connected to
LOGO! ...R..., refer to the technical data (Page 319).
Connecting
This is how you connect the load to LOGO! ...R... :
LOGO! with solid-state outputs
LOGO! versions with solid-state outputs can be identified by the fact that the letter R is
missing from their type name. The outputs are short circuit-proof and overload-proof. An
auxiliary load voltage supply is not necessary, because LOGO! supplies the load voltage.
Requirements for solid-state outputs
The load connected to LOGO! must have the following characteristics:
● The maximum switched current is 0.3 A per output.
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Manual, 04/2011, A5E03556174-01
LOGO!