IDEC SMARTRELAY

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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