Delta AH500 Programming Manual page 200

Instruction code
NP
Symbol:
Explanation:
1. When the value in the accumulative register turns from 0 to 1, the instruction NP keeps the
value 1 in the accumulative register for a scan cycle. After the second scan cycle is finished,
the value in the accumulative register changes to 0.
2. Please use the instruction FB_NP in the function block.
Example:
Instruction:
LD M0
AND M1
NP
OUT Y0.0
Timing diagram:
M0
M1
One scan c ycle
Y0 .0
Operand
-
Operation:
Contact A of M0 is loaded.
Contact A of M1 is connected in series.
The circuit is rising edge-triggered.
The coil Y0.0 is driven.
One scan c ycle
Ch ap te r 5 Bas ic Instruc ti ons
Function
The circuit is rising edge-triggered.
5 - 2 1