Panasonic FP-XH M8N16PD User Manual page 347

 Comparison of OT instruction and DOT instruction
• DOT instruction is more suitable for requirement for high-speed response than OT
instruction.
＜For OT instruction＞
●Ladder diagram
R0
●Time chart
R0
Y0
External input
n-1 scanning
Execute OT Y0
Y0
n scanning n+1 scanning
18.3 Direct Output Instruction
18-19