Delta AH500 Programming Manual page 196

Instruction code
PLS
Device DX DY
●
D
Symbol:
Explanation:
1. When the conditional contact is switched from OFF to ON, the instruction PLS is executed, and
the device D sends out a pulse for a scan cycle.
2. Please do not use the instruction PLS in the function block.
Example:
When X0.0 is ON, M0 is ON for a pulse time. When M0 is ON, Y0.0 is set to ON.
Timing diagram:
X0.0
M0.0
Y0.0
Operand
D
X Y M SM
● ● ●
D ： Specified device
PLS
On e sc an c y c le
Ch ap te r 5 Bas ic Instruc ti ons
Rising-edge output
S T C
● ● ● ●
Function
HC D L PR
● ● ● ●
Bit
5 - 1 7