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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