LOGO! Manual
A5E00067781  01
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LOGO! operating modes
LOGO! has 2 operating modes: STOP and RUN
STOP RUN
 Display: ’No Program’
(not LOGO! ...RCo)
 Switch LOGO! to program-
ming mode
 The LED lights up red
(LOGO! ...RCo only)
 Display: Mask for monitor-
ing the inputs and outputs
(after START in the main
menu)
(not LOGO! ...RCo)
 Switch LOGO! to parame-
terization mode
(not LOGO! ...RCo)
 The LED lights up green
(LOGO! ...RCo only)
Action by LOGO!:
 The inputs are not read.
 The program is not exe-
cuted.
 The relay contacts are al-
ways open or the transistor
outputs are switched off.
Action by LOGO!:
 LOGO! reads the state of
the inputs.
 LOGO! calculates the state
of the outputs with the pro-
gram.
 LOGO! switches the relays/
transistor outputs on or off.
Installin
 and Wirin
 LOGO!