Siemens LOGO! 230RC User Manual

LOGO! Manual
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4.4.18 Analog Comparator
Brief description
The output is switched on if the difference between Ax and
Ay exceeds the set threshold value.
Symbol in
LOGO!
Connection Description
Inputs Ax and
Ay
At the Ax and Ay inputs, ap-
ply the analog signals
whose difference is to be
evaluated.
Use the connectors I7 (AI1)
and I8 (AI2).
Parameter Par:
, , 

 : Gain in %
Value range 0..1000 %
 : Offset
Value range 999
 : Threshold value
Output Q Q is set to 1 if the difference
between Ax and Ay ex-
ceeds the threshold value.
Gain and Offset parameters
Refer to the information in Section 4.3.6 on the Gain and
Offset parameters.
LOGO! Functions

Siemens LOGO! 230RC Specifications

General

Inputs	8 digital inputs
Outputs	4 relay outputs
Mounting Type	DIN rail
Protection Type	IP20
Dimensions	90 x 72 x 55 mm
Output Current	10 A
Operating Temperature	0°C to 55°C
Power Supply	115/230V AC
Storage Temperature	-40°C to +70°C