Programming IDEC SmartRelay
IDEC SmartRelay Manual 106
Calculating memory requirements
When calculating the memory requirements of a circuit, you
must always take into account all individual areas of memo
-
ry.
Example:
The sample circuit program contains:
This means that this circuit program fits in IDEC SmartRelay.
Block no. Function Memory area
Bytes Blocks REM
B1 OR 12 1 -
B2 AND 12 1 -
B3 Seven-day time switch 20 1 -
B4 On-delay
(1)
(1): Configured with retentivity.
813
B5 Stairwell Light Switch 12 1 0
B6 AND 12 1 -
Resources used by the circuit program 76 6 3
Memory space limits in IDEC
SmartRelay
2000 130 60
Still available in IDEC SmartRelay 1924 124 57
Q1x
I2
B1
B2
B3
x
B4
–
20
No 1
No 2
No 3
I1
Par
B5
B6
Par
Q2
I3
I4
x
REM
Bytes
–12
REM
Bytes
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com
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