Delayed One Shot Block - Mitsubishi Electric a2 Series Programming Manual

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2 Simple Application Controllers
6.32

Delayed One Shot Block

This block is equivalent to a combination of the Delay and the One Shot function block. Set an
ON delay for the rising pulse of the Input signal or an OFF delay for the falling pulse. This FB
will process the ON delay time before turning the Output ON for the OneShot pulse time and/or
delay the Output resetting until the OFF delay time has processed.
Table 6.46: Delayed One Shot Function Block
Function
0 0 0
I P O
C
D O S
Note: The set time cannot be less than one scan time for the controller; otherwise, the
Delayed One Shot Function Block will not perform its assigned task for the time
specified. Users can monitor the scan time from the
dependent on the user-program; therefore, caution is needed as and when time units
are selected.
1 ) Delayed One-Shot (Delay starts when OFF to ON)
Input pin
Clear pin
Output pin
Set Item
I Input pin for the delayed one shot function block
C Clear pin for the delayed one shot function block
1) Delay Time
a) OFF to ON
b) ON to OFF
2) Delay Time range: 0 to 32767
FB
3) One Shot Time range: 0 to 32767
4) Time units: 10ms, 100ms or 1s (*Note)
5) When the Clear signal is set ON, the current Delay Time, current
One Shot Time will be cleared. The Output will reset OFF.
The following items are available for another function block:
1) Word Output
a) Delay
Output
b) Current Delay
c) One Shot
d) Current One Shot
OFF ON
OFF
OFF ON
Delayed One-shot
Time Time
Description
α
ON
Not Reset
active operation
Reset delayed timer
(shorter than set time)
Function Blocks 6
2 Series Controller. Scan time is
OFF
Delayed less than set time of
Time One-shot time
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