Mitsubishi Electric MELSEC-Q00U(J)CPU

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CHAPTER 4 DEVICES
4
4.2 Internal User Devices 4.2.10 Timer (T)
(3) Low-speed timer
This type of timer measures time in increments of 1 to 1000ms.
The timer starts time measurement when its coil is turned on, and when it times out, the contact is turned on. If
the timer's coil is turned off, the current value is changed to "0" and the contact is turned off.
(a) time increment setting
The time increment is set in the PLC system tab of the PLC parameter dialog box.
The default is 100ms, and it can be changed in increments of 1ms.
(4) High-speed timer
This type of timer measures time in increments of 0.01 to 100ms.
The timer starts time measurement when its coil is turned on, and when it times out, the contact is turned on. If the
timer's coil is turned off, the current value is changed to "0" and the contact is turned off.
(a) Time increment setting
The time increment is set in the PLC system tab of the PLC parameter dialog box.
The default is 10.0ms, and it can be changed in increments of 0.01ms.
X0
T0
K10
OFF
OFF
OFF
ON
ON
ON
X0
[Ladder example]
[Timing chart]
When X0 is turned on, coil of T0 is turned on, and the
contact turns on after 1s. (when unit of the timer is set
to 100ms)
1s
T0 coil
T0 contact
Enter a value.
X0
[Ladder example]
[Timing chart]
When X0 is turned on, coil of T200 is turned on, and the
contact turns on after 0.5s. (when unit of the timer is set
to 10ms)
T200 coil
T200 contact
X0
H K50
T200
High-speed timer
OFF
OFF
OFF
ON
ON
ON
0.5s
Enter a value.