Toshiba GRT100 Series Instruction Manual page 222

Symbols used in the scheme logic and their meanings are as follows:
Signal names
Marked with
Marked with
Marked with [ ] : Scheme switch
Marked with " " : Scheme switch position
Unmarked
AND gates
A
B &
C
A
B &
C
A
B &
C
OR gates
A
1
B
C
A
1
B
C
A
1
B
C
: Measuring element output signal
: Binary signal input from or output to the external equipment
: Internal scheme logic signal
Output
Output
Output
Output
Output
Output
 221 
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 7 8 9