The And Block - Mitsubishi Electric a2 Series Programming Manual

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2 Simple Application Controllers
5.1

The AND Block

The AND block comes ON when all the inputs are ON.
Any Input that is OFF will keep the Output turned OFF.
Unused inputs are considered to be ON.
If no Input pins are connected, the block output is OFF.
Table 5.2: AND Logic gate
Input 1
On
On
On
On
Off
On
On
Off
Off
On
Off
On
Off
Off
Off
Off
01
1
Output
2
3
AND
4
Input 2 Input 3
On On
On On
On Off
Off On
On On
On Off
Off Off
Off On
On On
Off On
On Off
Off Off
On Off
Off On
Off Off
Off Off
Input 4 Output
On On
Off Off
On Off
On Off
On Off
Off Off
On Off
On Off
Off Off
Off Off
On Off
Off Off
Off Off
Off Off
On Off
Off Off
The Logic Function Blocks 5
1 0 0
O
2
3
A N D
4
5 - 2