Siemens LOGO! PLC

What is LOGO! ?

LOGO! is the universal logic module from Siemens.
LOGO! integrates-

• Control functions
• An operating and display unit
• Power supply
• An interface for program modules and a PC cable
• Ready-to-use basic functions that are often required in
• day-to-day operation, such as functions for on/off delays
• and current impulse relays
• Time switch
• Binary markers
• Inputs and outputs according to the device type

What devices are available?

LOGO! is available with 12 V, 24 V and 230 V for the fol-
lowing variants:

• Standard variant with 6 inputs and 4 outputs with di-
• mensions of 72 x 90 x 55 mm
• Variant without display with 6 inputs and 4 outputs with
• dimensions of 72 x 90 x 55 mm
• Long variant with 12 inputs and 8 outputs with dimen-
• sions of 126 x 90 x 55 mm

• Bus variant with 12 inputs and 8 outputs, and additional  AS interface bus connection, via which 4 further inputs and 4 further outputs are available in the bus system .And all this packed into dimensions of  126 x 90 x 55 mm.All variants include 19 ready-to-use basic and special func-tions for program creation.

Variants:

The following different variants of LOGO! are available:

Symbol Designation Supply voltage Inputs Outputs LOGO! 12/24RC 12/24 V DC 8 4 relays LOGO! 24 24 V DC 8 4 solid state 24V LOGO! 24C 24 V DC 8 4 solid state 24V LOGO! 24RC 24 V AC/DC 8 4 relays LOGO! 230RC 115...240 V AC/DC 8 4 relays LOGO! 12/24RCo 12/24 V DC 8 4 relays LOGO! 230RCo 115...240 V AC/DC   8 4 relays

Some useful educational ppts for LOGO! PLC , download from here:

LOGO! PLC Educational Slides(ppts)