IDEC SmartRelay Manual
107
Programming IDEC SmartRelay
3.9 Memory space and circuit program size
Resources available in IDEC SmartRelay
A circuit program in IDEC SmartRelay can occupy the following maximum resources:
IDEC SmartRelay monitors memory utilization, and offers only those functions from the lists
for which it can actually provide sufficient memory space.
Memory requirements
The table below shows an overview of the memory requirements for the basic and special
function blocks in IDEC SmartRelay FL1F:
IDEC SmartRelay device series
Bytes
Blocks
REM
IDEC SmartRelay
8500
400
250
Function
Program
memory
REM
memory*
Basic functions
AND
12
-
AND with edge detection
12
-
NAND (not AND)
12
-
NAND with edge detection
12
-
OR
12
-
NOR (not OR)
12
-
XOR (exclusive OR)
8
-
NOT (Negation)
8
-
Special functions
Timers
On-delay
12
3
Off-delay
16
3
On-/Off-delay
16
3
Retentive on-delay
16
3
Interval time-delay relay/Pulse output
12
3
Edge-triggered interval time-delay relay
20
4
Asynchronous pulse generator
16
3
Random generator
16
-
Stairwell light switch
16
3
Dual-function switch
20
3
Seven-day time switch
24
-
Twelve-month time switch
12
-
Astronomical clock
40
-
Stopwatch
28
19
Counters
Up/down counter
32
5
Operating hours counter
36
13
Frequency trigger
20
-
Analog
Analog trigger
20
-
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