Toshiba GR200 Series Instruction Manual page 40

Line differential protection ied
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Logic symbol
(iii)
AND gate
A
&
B
OR gate
A
≥1
B
XOR gate
A
=1
B
Signal inversion
1
A
Output
Output
Output
Output
- 17 -
A
B
1
1
1
0
0
1
0
0
A
B
1
1
1
0
0
1
0
0
A
B
1
1
1
0
0
1
0
0
A
Output
0
1
6F2S1914 (0.49)
Output
1
0
0
0
Output
1
1
1
0
Output
0
1
1
0
1
0
GRL200 (Soft 033 & 037)

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