IDEC SmartRelay functions
4.2 Basic functions list - GF
IDEC SmartRelay Manual
118
4.2.2 AND with edge detection
The output of an edge-triggered AND is only 1 if all inputs are 1 and if at least one input was
low in the previous cycle.
At an unused block input (x): x 1.
Timing diagram for the AND with edge detection
4.2.3 NAND (not AND)
The output of the NAND is only 0 if the status at all inputs is 1, that is, the contacts are closed.
At an unused block input (x): x 1.
NAND function logic table
1 2 3 4
00001
00011
00101
00111
01001
01011
01101
01111
10001
10011