Siemens LOGO! - 4.2 Basic functions list

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107

LOGO! Manual

A5E00380835-01

Memory requirements

The table below shows an overview of the memory require-

ments for the basic and special function blocks:

Function Program

memory

Rem

memory*

Basic functions

AND 12 –

AND with edge evaluation 12 –

NAND (NOT AND) 12 –

NAND with edge evaluation 12 –

OR 12 –

NOR (NOT OR) 12 –

XOR (exclusive OR) 8 –

NOT (Negation) 4 –

Special functions

Times

On-delay 8 3

Off-delay 12 3

On-/Off-delay 12 3

Retentive on-delay 12 3

Wiping relay (pulse output) 8 3

Edge triggered wiping relay 16 4

Asynchronous pulse generator 12 3

Random generator 12 –

Stairway lighting switch 12 3

Multiple function switch 16 3

Weekly timer 20 –

Yearly timer 8 –

Pro

rammin

LOGO!

Siemens LOGO! - 4.2 Basic functions list - GF