Manual

1–8 Overview of the CFM Module
Publication 17716.5.99 - December 1995
Implementing Application Features
You can use the CFM module to implement programmable
application features that are usually initiated by your PLC processor.
This frees the PLC processor to do other tasks and helps increase the
overall throughput of your PLC system.
This feature Is used in these modes To Alarm is ON when
overflow indication
Totalizer
set an overflow flag when the count is greater
than the highest allowable count
(programmable  rollover). This bit will toggle
count = rollover
over
fl
ow
i
n
di
cat
i
on
Totalizer
Nonresettable Totalizer
(programmable
rollover)
.
This
bit
will
toggle
with each successive rollover (010101).
The count continues from zero. This bit can be
reset in the BTW configuration block.
count
rollover
(default 10,000,000)
l
ll
ac
tiv
a
t
e
o
v
e
rr
a
n
ge
a
l
a
rm wh
e
n r
a
t
e
i
s
g
r
ea
t
e
r
f 100kH
overrange alarm all
ac
ti
va
t
e overrange a
l
arm w
h
en ra
t
e
i
s grea
t
er
than allowable Hertz (fixed at 100kHz)
frequency > 100kHz
overrange
alarm
all
than allowable Hertz (fixed at 100kHz).
frequency
>
100kHz
overspeed alarm all
activate overspeed alarm when frequency is
higher than userspecified frequency value.
frequency > userspecified value
acceleration alarm all
activate acceleration alarm when acceleration is
greater than userspecified acceleration value.
|acceleration| >
userspecified value
Install the
CFM Module
2
What's Next