IDEC SmartRelay functions
IDEC SmartRelay Manual 184
4.4.18 Analog comparator
Short description
The output is set and reset, depending on the difference Ax -
 Ay and on two configurable thresholds.
*AI1...AI8:0...10 V corresponds with 0...1000 (internal 
value).
Symbol in
IDEC 
SmartRelay
Wiring Description
Inputs Ax and 
Ay
You apply the analog signals 
whose difference you want to 
analyze at the inputs Ax and 
Ay.
Use the analog inputs 
AI1...AI8 
(
*
)
, the Analog 
Memory Markers 
AM1...AM6, the block num-
ber of a function with analog 
output.
Parameter A: Gain 
Range of values:  
±10.00
B: Offset  
Range of values:   
±10,000
On: On threshold 
Range of values:   
±20,000
Off: Off threshold 
Range of values:   
±20,000
p: Number of decimals 
Range of values:  
0, 1, 2, 3
Output Q Q is set or reset, depending 
on the difference Ax - Ay and 
the set thresholds.
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com