NAND (4)
NAND (4)
ID 4
|
Application: |
PLC |
SIM |
Group: LOGIC
Short description:
The function performs the operation of the NAND gate.
Inputs (2):
|
no. |
type |
impulse |
mark |
notes |
|
1 |
B |
no |
IN1 |
Binary input no. 1 |
|
2 |
B |
no |
IN2 |
Binary input no. 2 |
Outputs (1):
|
no. |
type |
impulse |
mark |
notes |
|
1 |
B |
no |
OUT |
Function output value |
Settings: none
Function operation:
The function performs the operation of the NAND logic gate. Below is the truth table for the NAND function for the two input signals X and Y.
Truth table for the NAND block
|
Y X |
0 |
1 |
|
0 |
1 |
1 |
|
1 |
1 |
0 |
According to the truth table presented, the function returns high state on the OUT output only when at least one of its IN inputs is low state. When a high state appears on each of the IN inputs, the function returns a low state.
R registers and M markers used: none