Index-2
F
Features
16-bit counters, 1-4
24-bit counters, 1-4
functional, 1-4
physical, 1-2
Filter options, 5-7
Filtering input signals, default setting, 4-3
Frequency counting, A-3
Functional description, 1-4, 1-6
G
Gated counting, A-2
Guidelines, wiring, 2-6
H
Holding register format, 3-4
I
I/O
addressing, 3-2
base, 2-12
configuration, 2-13
connections, 2-4, 2-5
read, software compatibility
, 1-5
scan, 5-20
word definitions, 3-2
Immediate I/O, 1-5
software compatibility
, xiii, 1-5
INDEX, signal, 1-4, 4-3
Indicator LEDs, 1-3, 2-12, B-2
INHIBIT
, signal, 1-4, 4-3
Inhibit jumper
, 5-11
Input
filters, 5-7, C-5
signal filtering default setting, 4-3
specifications, C-3–C-6
wiring, 2-7, 2-8
Input signals
definitions, 5-8
for 16-bit counters, 5-16–5-17
for 24-bit counters, jumpers, 5-8–5-9
Inputs filters, 5-7
Installing the module
overview, 2-2
procedure, 2-3
Interrupt
enabled flag, 3-7
programming, 3-7
request flag, 3-7
T
ask 8, 3-7
J
Jumper
, locations, 5-3
Jumper settings
1 microsecond, 5-9
16–bit counters, 5-16
24–bit counter inputs, 5-8
compare, 5-1
1
compare toggle, 5-1
1
control and output, 5-10
default, 4-2–4-3
external INDEX, 5-10
INHIBIT, 5-11
Input A, 5-9
Input B, 5-9
input filtering, 5-6
internal period, 5-10
latch, 5-1
1
latch/reset-and-go, 5-1
1
output disable mode, 5-6
output polarity
, 5-6
rollover, 5-11
to cascade, 5-9
up count only
, 5-9
Jumpers, worksheet, B-8
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