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LY71 with LX71-KR comparator function
Ver. 1 (2021.2)
CS&S
LY71 & LZ71-KR
Comparator function
Quick reference manual
1. First of all
2. Judgment display and judgment output
By combining LY71 with LZ71-KR (comparator unit), open
collector output and relay output of up to 4 levels are possible
when the comparator function is selected, and 1 level when the
positioning function is selected. It supports both length display
and angle display.
This manual mainly describes how to operate the comparator
function. For detailed information on LZ71-KR, refer to the
instruction manual.
LY71
LZ71-KR
Setting
value 1
Setting
value 2
Setting
value 3
Setting
value 4
Setting value and judgement
Judg.
Measuring value
Judgment
Judgment status display (example)
(Condition: Setting value 3
≤
Measured value < Setting value 4)
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
Judgement output
Open collector output
Relay output
Output circuit
Output 0
Output 1
Output 2
Output 3
Output 4
Display unit
+V
External output
Current value
Setting value
Setting value
Judgment display
( to , )
The corresponding
lamp lights up
Lamp indicating the
upper limit of the
set value
Lamp indicating the
lower limit of the
set value
(Example of 4-level setting)
(Example of
4-level setting)
Judges the lower and upper limits for the set value
(Output 0 to output 4)
The upper display shows the current value, and the middle and lower
rows display the compare setting value. Judgment against the set
value is displayed by number and NG.
Judgment output timing chart
Judgment result is open collector output and relay output
Table of contents:
1. First of all
2. Judgment display and judgment output
3. Display of comparator setting value
and judgment result
4. Installation / connection
4-1. Appearance
4-2. Insertion of expansion unit
4-3. I/O signal connection
5. Comparator function settings
(in advanced settings)
6. Comparator setting operation
7. Functional comparison between LZ71-KR
and old model LZ51-K/R
Setting
value 1
Setting
value 2 Setting
value 3
Setting
value 4
Large
Small
Size of compared value
4
Judg.
Judg.
Judg.
Judg.
1
2
3
5
4
Judg.
Judg.
Judg.
Judg.
Judg.
1
2
3
4
5
1
5
NG
Judg.
Judg.
Judg.
Judg.
Judg.
1
2
3
5
4
