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Digital Input Functions
CNT1:
CNT2:
n+2
n+5
CNT1:
CNT2:
n+3
n+6
n+4
n+7
Reset Function
CNT1:
CNT2:
n+2
n+5
the Preset Value at a rising edge of the Preset Counter Bit of the corresponding
Counter.
15 14 13 12 11 10 9
15 14 13 12 11 10 9
A Digital Input configured to have Reset functionality will reset the Counter to zero
on a rising edge (Reset Rising Edge, Function 05) or falling edge (Reset Falling
Edge, Function 06) of the Digital Input signal.
Function 05:
Reset Rising Edge
Reset Counter
Value to zero
To reset a Counter with Function 05 or 06, the Software Enable Reset Bit must
be set to 1. A Counter can also be reset by using the "Software Reset Bit" in CIO.
Setting this bit to '1' causes a forced reset of the corresponding Counter.
Refer to 3-6 "Reset Signals" for detailed information about resetting Counters.
15 14 13 12 11 10 9
Note Resets from an External Control Input signal will be executed within 300 µs.
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
Set between 00000000
Set between 80000000
Function 06:
Reset Falling Edge
8
7
6
5
4
3
2
1
0
Preset Counter:
0→1 = Preset Counter
0
Preset Value
and FFFFFFFF
(Circular Counter)
H
H
and 7FFFFFFF
(Linear Counter)
H
H
Reset Counter
Value to zero
0
So ftware Reset Bit:
0 1 = Res et Counter
Software Reset Enable Bit:
0 = Res etting by Digital Input Disabled
1 = Res etting by Digital Input
Section 3-4
61
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