6
Multifunction LCD Digital Timer
Connection
Block Diagram
Output circuit
Basic isolation
Display circuit
Key switch circuit
Input circuit
Internal control circuit
Power supply circuit
Basic isolation
I/O Functions (Timer/Twin Timer)
Input
Start signal
Stops timing in A-2 and A-3 (power ON delay) modes
Starts timing in other modes
Reset
Reset present value (In elapsed time mode, the present value returns to 0; in
remaining time mode, the present value returns to the set value)
Count inputs are not accepted and control output turns OFF while reset input
is ON.
Reset indicator is lit while reset input is ON.
Gate
Inhibits timer operation
Outputs
Control output
(OUT)
Outputs take place according to designated operating mode when timer
reaches corresponding set value.
I/O Functions (2-Stage Timer)
Inputs
Start signal
Starts timing
Reset
Resets present value (the present value returns to 0)
Timing inputs are not accepted and control output turns OFF while
reset input is ON.
Reset indicator is lit while reset input is ON.
Gate
Inhibits timer operation
Outputs
Forecast
value
setting
Control output
(OUT2)
Turn ON when the present value reaches the set value.
Forecast output
(OUT1)
Turn ON when the present value reaches the forecast value.
The forecast value=set value-forecast set value
Absolute
value
setting
Control output 2
(OUT2)
Turn ON when the present value reaches the set value 2.
Control output
(OUT1)
Turn ON when the present value reaches the set value 1.
Note: Two control outputs can be used.
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Содержание TC-Pro480 Series
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