Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 182

Ex.
When timers T0 to T2 are programmed in order of measurement
X0
OUT T0
T0
OUT T1
T1
OUT T2
Operation error
There is no operation error.
5 SEQUENCE INSTRUCTIONS
180
5.3 Output Instructions
(1)
K1
K1
(2)
K1
(1) Timer T0 starts measurement when X0 turns on.
(2) When the contact of timer T0 turns on, the contacts of timers T1 and T2
also turn on.