Panasonic FP7 User Manual page 91

 When "Leading edge" and "Trailing edge" of the same signal are set as the capture
trigger condition
Capture enable
(Y7)
Capture trigger
(Control signal)
Count value
UM003A0-UM003A1
Capture 0 register
UM003A2-UM003A3
Capture 1 register
UM003A4-UM003A5
Capture register difference value
UM003A6-UM003A7
Capture 0 done flag
(X4)
Capture 1 done flag
(X5)
KEY POINTS
•
The values ((Capture 1 register) - (Capture 0 register)) are always stored as
capture register difference values. The signs for the values of capture
difference value register change according to the sequence of the capture
enable signal (output Y contact) and the capture trigger (control signal).
•
In the case of continuous operation, the capture 0 register, capture 1
register and capture difference value register are overwritten every time the
capture operation is complete. The buffer function can be also used for
reading continuous data.
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ON
OFF
ON
OFF
0 1 2 3 4 5 6 7 8 9
0 6
0 3
0 3 - 3
ON
OFF
ON
OFF
10 12 14 16 18 20 22 24
15
10 19
4 - 5 4
26 28 30 32
27
31
- 8 4