User Manual
LOGO! installation and wiring   
2.1 Modular LOGO! setup 
  LOGO! 
34  Manual, 04/2011, A5E03556174-01 
2.1.2  Maximum setup with expansion and communication modules 
LOGO! supports a maximum of 24 digital inputs, 8 analog inputs, 16 digital outputs, and 2 
analog outputs (Page 13). You can achieve the maximum se
tup in different ways as shown 
below: 
Maximum setup of a LOGO! 
with
 analog inputs onboard - four in use 
LOGO! Base Module, 4 digital modules and 3 analog modules (example) 
44
,,,,,,
$,$,$,$,
/2*2
'0
/2*2
'0
/2*2
'0
/2*2
'0
444444
,,,,,,,,
/2*2
$0
/2*2
$0
$,$,$,$,
/2*2
$0$4
$4$4
/2*2%DVH
0RGXOH
Maximum setup of a LOGO! 
with
 analog inputs onboard - two in use 
LOGO! Base Module, 4 digital modules and 4 analog modules (example) 
44
,,,,,,
$,$,
/2*2
'0
/2*2
'0
/2*2
'0
/2*2
'0
444444
,,,,,,,,
/2*2
$0
/2*2
$0
$,$,$,$,
/2*2
$0
$,$,
/2*2
$0$4
$4$4
/2*2%DVH
0RGXOH
Maximum setup of a LOGO! 
without
 analog inputs onboard (LOGO! 24 RC/RCo, LOGO! 230RC/RCo, 
and LOGO! 230RCE) 
LOGO! Base Module, 4 digital modules and 5 analog modules (example) 
44
,,
/2*2
$0
/2*2
$0
/2*2
'0
/2*2
'0
/2*2
'0
/2*2
'0
444444
,,,,,,,,
/2*2
$0
$,$, $,$,$,$,$,$,
/2*2
$0
/2*2
$0$4
$4$4
/2*2%DVH
0RGXOH
For LOGO! 12/24RCE, LOGO! 12/24 RC/RCo, LOGO! 24/24o, LOGO! 24C/24Co modules, 
you can configure whether the module uses two or four of the four possible analog inputs. AI 
inputs are numbered consecutively depending on how many you configure the LOGO! Base 
Module to use. If you configure two inputs, they are numbered AI1 and AI2, and correspond 
to the I7 and I8 input terminals. Subsequent AI expansions modules would begin numbering 
at AI3. If you configure four inputs, they are numbered AI1, AI2, AI3, and AI4, and 
correspond to I7, I8, I1, and I2 in that order. Subsequent AI expansions modules would begin 
numbering at AI5. See topics "
Constants and connectors - Co (Page 138)" and "Setting the 
number of AIs in the LOG
O! Basic (Page 299)". 










