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Symbols used in the scheme logic and their meanings are as follows:
Signal names
Marked with
Marked with
Marked with
Signal No. Signal name
Marked with [
] : Scheme switch
Marked with "
" : Scheme switch position
Unmarked
AND gates
A
B
&
C
A
B
&
C
A
&
B
C
OR gates
A
B
≥ 1
C
A
B
≥ 1
C
A
B
≥ 1
C
: Measuring element output signal
: Signal number
: Signal number and name of binary input by PLC function
: Internal scheme logic signal
Output
Output
Output
Output
Output
Output
410
A
B
C
Output
1
1
1
1
Other cases
0
A
B
C
Output
1
1
0
1
Other cases
0
A
B
C
Output
1
0
0
1
Other cases
0
A
B
C
Output
0
0
0
0
Other cases
1
A
B
C
Output
0
0
1
0
Other cases
1
A
B
C
Output
0
1
1
0
Other cases
1
6 F 2 S 0 8 5 0
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