Siemens 6ED1050-1AA00-0BE8 Manual De Usuario

Programming LOGO! 

 

3.9 Memory space and circuit program size 

 

LOGO! 

130

 

Manual, 04/2011, A5E03556174-01 

3.9 

Memory space and circuit program size 

The size of a circuit program in LOGO! is limited by the memory space (memory used by the 

blocks).    

Memory areas 

●  Program memory: 

LOGO! allows only a limited number of blocks in your circuit program. 

The second limitation is based on the maximum number of bytes a circuit program may 

contain. The total number of bytes used can be determined by adding up the number of 

bytes used for the relevant function blocks.  

●  Retentive memory (Rem): 

In this area, LOGO! stores values which need to be retentive; for example, the hours 

counter value. Blocks with optional retentivity use this memory area only if this function is 

actually enabled. 

 

 

Note 
LOGO! supports a maximum of one million write cycles. LOGO! counts every power-off, 

program downloading from LOGO!Soft Comfort to LOGO!, program creation from LOGO!, 

or menu setting as one cycle.  

Resources available in LOGO! 

A circuit program in LOGO! can occupy the following maximum resources: 

 

LOGO! device series 

Bytes 

Blocks 

REM 

LOGO! 0BA6 

3800 

200 

250 

LOGO! 0BA7 

8400 

400 

250 

LOGO! monitors memory utilization, and offers only those functions from the lists for which it 

can actually provide sufficient memory space.