LOGO! Manual
A5E00067781 01
60
Memory utilization
The table gives you an overview of the special memory
requirements of the special functions:
Function block
Par
RAM
Timer
REM
Latching relay*
0
(1)
0
(1)
Current impulse relay*
0
(1)
0
(1)
Interval time-delay relay
1
1
1
0
Edge-triggered interval
time-delay relay
1
1
1
0
On delay
1
1
1
0
Off delay
2
1
1
0
On/off delay
2
1
1
0
Retentive
on delay
2
1
1
0
Seven-day time switch
6
2
0
0
Twelve-month time switch
2
0
0
0
Up/down counter*
2
(2)
0
(2)
Operating hours counter
2
0
0
4
Symmetrical clock pulse gen-
erator
1
1
1
0
Asynchronous pulse genera-
tor
3
1
1
0
Random generator
2
1
1
0
Frequency
trigger
3
3
1
0
Analog trigger
4
2
0
0
Analog comparator
3
4
0
0
Stairwell light switch
1
1
1
0
Dual-function switch
2
1
1
0
Message texts
1
0
0
0
Programming LOGO!
