Short description
A one-shot at the input triggers a configurable time. The output is set upon expiration of this time.
Connection | Description |
Input Trg | Trigger the on-delay time via the Trg (Trigger) input. |
Input R | Reset the on-delay time and reset the output to 0 via input R (Reset). Reset takes priority over Trg. |
Parameter | T is the on-delay time for the output (output signal transition 0 to 1). |
Output Q | Q is switched on upon expiration of the time T. |
Parameter T
The time in parameter T can be provided by the value of another already-programmed function:
Analog comparator: Ax - Ay
Analog threshold trigger: Ax
Analog amplifier: Ax
Analog multiplexer: AQ
Analog ramp: AQ
Mathematic instruction: AQ
PI controller: AQ
Up/Down counter: Cnt
For the 0BA7 devices, you can additionally use the actual values of the following already-programmed functions:
On-delay: Ta
Off-delay: Ta
On-/off-delay: Ta
Retentive on-delay: Ta
Wiping relay(pulse output): Ta
Edge triggered wiping relay: Ta
Asynchronous pulse generator: Ta
Stairway light switch: Ta
Multiple function switch: Ta
Stopwatch: AQ
Analog filter: AQ
Average value: AQ
Max/Min: AQ
Thresholder trigger: Fre
You select the required function by the block number.
Timing diagram
Description of the function
The current time Ta is triggered with a 0 to 1 signal transition at input Trg. Output Q is set to 1 when Ta reaches the time T. A further pulse at input Trg does not affect Ta.
The output and the time Ta are only reset to 0 with a 1 signal at input R.
If retentivity is not set, output Q and the expired time are reset after a power failure.