Programming IDEC SmartRelay
88
IDEC SmartRelay Manual
Resources available in IDEC SmartRelay
A circuit program in IDEC SmartRelay can occupy the follow-
ing 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 require-
ments for the basic and special function blocks:
Bytes
Blocks
REM
2000
130
60
Function
Program
memory
Rem
memory
(1)
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)
4
-
Special functions
Times
On-delay
8
3
Off-delay
12
3
On-/Off-delay
12
3
Retentive on-delay
12
3
Interval time-delay relay / Pulse output
8
3
Edge-triggered interval time-delay relay
16
4
Asynchronous pulse generator
12
3
Random generator
12
-
Stairwell Light Switch
12
3
Dual-function switch
16
3
Seven-day time switch
20
-
Twelve-month time switch
8
-
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