IDEC SmartRelay Manual
183
IDEC SmartRelay functions
4.4 Special functions list - SF
4.4.20
Analog comparator
Short description
The output is set and reset depending on the difference Ax - Ay and on two configurable
thresholds.
Gain and offset parameters
For more information on the gain and offset parameters, refer to topic Calculating the gain
and offset of analog values (Page 126) .
Symbol in
IDEC SmartRelay
iring
Description
Inputs Ax and Ay
Inputs Ax and Ay are one of the following analog
signals:
AI1 to AI8 ( )
AM1 to AM64
NAI1 to NAI32
A 1 to A 8
NA 1 to NA 16
Block number of a function with analog output
Parameter
A: gain
Range of values: -10.00 to 10.00
B: ero offset
Range of values: -10,000 to 10,000
On: on threshold
Range of values: -20,000 to 20,000
Off: off threshold
Range of values: -20,000 to 20,000
p: number of decimals
Range of values: 0, 1, 2, 3
Output
is set or reset, depending on the difference Ax - Ay
and the set thresholds.
AI1...AI8: 0...10 V corresponds with 0...1000 (internal value).
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