Programming LOGO!
3.9 Memory space and circuit program size
LOGO!
Manual, 04/2011, A5E03556174-01
131
Memory requirements (0BA6)
The table below shows an overview of the memory requirements for the basic and special
function blocks in LOGO! 0BA6:
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
Timers
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 12 -
Counters
Up/down counter 28 5
Hours counter 28 9
Threshold trigger 16 -
Analog
Analog threshold trigger 16 -
Analog differential trigger 16 -
Analog comparator 24 -
Analog watchdog 20 -
Analog amplifier 12 -
Pulse Width Modulator (PWM) 24 -
Mathematic instruction 20 -
Mathematic instruction error detection 12 1
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