Siemens LOGO! Manual page 19

How to identify LOGO!
The LOGO! identifier informs you of various properties:
● 12/24: 12/24 V DC version
● 230: 115...240 V AC/DC version
● R: Relay outputs (without R: solid-state outputs)
● C: Integrated real-time clock
● o: Version without display ("LOGO! Pure")
● DM: Digital module
● AM: Analog module
● CM: Communication module (e.g. EIB/KNX module)
● TD: Text Display
Symbols
LOGO!
Manual, 10/2017, A5E01248535-AA
Version with display unit is equipped with 8 inputs and 4 outputs
Version without display unit is equipped with 8 inputs and 4 outputs
The digital module is equipped with 4 digital inputs and 4 digital outputs
The digital module is equipped with 8 digital inputs and 8 digital outputs
The analog module is equipped with 2 analog inputs or 2 analog outputs, according to
the device type
The communication module (CM); for example, AS Interface is equipped with 4 virtual
inputs and 4 virtual outputs
The LOGO! TD
Getting started with LOGO!
19