Operation - Panasonic FP7 User Manual

7.4.2 Operation

The following time chart shows when the ""elapsed value hold function"" is set for the high-
speed counter CH0 and is enabled when the input logic of a trigger signal is (ON > OFF).
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Time chart
Mark Procedure
Enable trigger
(a)
input
Elapsed value
(b)
area
(c) Hold value area
(1) Enable latch
(2) Trigger input
(3) Wait
(4) Enable latch
(5) 1 scan or more
WUME-FP7MXY-06
Description
It shows the timing that the hold function becomes enabled within the unit.
Elapsed value area of the counter.
Area in which the hold values are stored.
The trigger input (X108) becomes enabled when the latch enable signal
CHxLATCH EN (Y114) is turned on by the user program.
When the trigger signal (X108) from an external device turns off, the counter
elapsed values (UM00110-UM00111) will be stored in the storage areas
(UM00114-UM00115).
After accepting the trigger input and holding the counter elapsed values, the hold
operation will not be performed until the latch enable signal (Y114) turns on. To
hold the next data, change the state of the latch enable signal (Y114) as ON ->
OFF -> ON with the user program.
When the LATCH EN signal (Y114) turns on after turning off the CHxLATCH EN
signal on the user program, the trigger input will be enabled.
Ensure a time more than one scan time by the operation with the user program.
7.4 Elapsed Value Hold Function
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