Horner APG XLt OCS - Manual (Page 74)

CH. 14 MAN0878-04-EN
August 12, 2009 Page 74 of 100 ECN # 979
The mode drop-down items are set according to the type selection. The Counts Per Rev. window is
enabled/disabled according to the type selection as well. The following table shows what is available with
each type selection.
Table 14.1 - Count Per Rev
Type Mode Counts Per Rev.
Disabled
Grayed out. Displays %Ix to indicate to the user
that the input devoted to the high speed counter
is just dumb I/O, and its location RELATIVE to
the I/O map
Grayed out
Frequency
Enabled. Contains the following:
1 sec.
100 msec.
10 msec.
Scan resolution
Grayed out
Totalize
Enabled. Contains the following:
Rising edge
Falling edge
Enabled. Value
can be 0 Æ
0xffffffff (Hex)
Pulse
Enabled. Contains the following:
Width high, 1µsec. Counts
Width low, 1µsec. Counts
Period rising edges, 1µsec. Counts
Period falling edges, 1µsec. Counts
Grayed out
Quadrature
Enabled. Contains the following:
1 leads 2, count up
1 leads 2, count down
Enabled. Value
can be 0 Æ
0xffffffff (Hex)
Marker
Enabled. Only available in counter #3 and only
when counter #1 is set to quadrature. Contains
the following:
Async, reset on rising edge
Async, reset on falling edge
Async, reset on both edges
High, reset on 1 rising
Low, reset on 1 rising
High, reset on 1 falling
Low, reset on 1 falling
High, reset on 2 rising
Low, reset on 2 rising
High, reset on 2 falling
Low, reset on 2 falling
Grayed out