Mitsubishi Electric MELSEC iQ-R Series User Manual page 466

Ex.
In the case where the values are set as follows (timer setting value: 2 (2  100ms), scan time: 110ms, and timer limit setting:
100ms), when the coil of the timer (T0) turns on in the next scan after the coefficient of the END instruction becomes equal to
or higher than the timer setting value, the coil and the contact turn on at the same time because the timer current value
becomes equal to the timer setting value at startup of the timer.
END
Program
100ms
counting
Count at
execution
of the END 1
instruction
Current
value of T0
OFF
X0
OFF
Coil of T0
Contact
OFF
of T0
(1) The coefficient of the END instruction becomes equal to or higher than the timer setting value. Therefore, when the coil turns on during this period, the
contact also turns on at the same time.
■Precautions in redundant mode
For precautions on timers and timer function blocks at system switching, refer to the following.
Page 442 Precautions on timers and timer function blocks
27 DEVICES
464
27.3 User Device
Timer setting value
(2 100ms)
END
1 1
1
0 0
110ms
Scan time Timer limit setting
(110ms) (100ms)
END
2
2
0
ON
110ms
Timer setting value
X0
T0
END
1
(1)
1
2
ON
ON
110ms
K2