Mitsubishi Electronics 700 Series, FR-A700 Timers T, 5 100ms, 10ms and 100ms retentive timers

Description of devices

3.9.4Timers T

The timers of the PLC function are count up timers.

The count up timer starts timing the present value when its coil turns on, and the contact of that timer turns on when the present value reaches the setting (time-out).

3.9.5100ms, 10ms and 100ms retentive timers

(1)100ms and 10ms timers

The timer starts timing the present value when its coil turns on, and the present value is reset to 0 and the contact turns off when the coil turns off.

Ladder example
			When input X5 turns on, T2 coil turns on
			and timer times 5s. (T2 is 100ms timer.)
Timing chart
		ON	ON
X5	OFF	OFF	OFF
		ON	ON
T2 coil	OFF	OFF	OFF
Timer present			Setting
value			5s
			ON
T2 contact	OFF		OFF

Fig 3.15 Timing Chart

REMARKS

100ms, 10ms and 100ms retentive timers can be changed using the built-in PLC function parameter. (The default is a 100ms timer.)

Since the FR-C500 has 8 timers (T0 to T7), it can use only any one type of 100ms, 10ms and 100ms retentive timers.

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