User manual - COUNTER SLIK-638
Figure 6.3. Proposed circuit diagram
6.3.
AUTOPRESCALER
This feature allows easy setting of counter prescaler (
“muL”
,
“div”
and
”Point”
) to
desired number of pulses per unit and displayed value together with decimal point position.
To enter this function select
”AutoPr”
option of
”PrESc”
submenu and press
[ENTER]
button. After that
„ run ?”
message is displayed
to avoid of accidental clearing of current
settings. Press
[ENTER]
again to acknowledge and start the procedure. Counter sets default
values of its parameter first ( Notice, that current counter value is being cleared without saving)
and goes to counting desired number of pulses per unit (parameter
”div”
).
The device displays
„StArt”
message and waits until user deliver any pulses to counting
input, after that displays current number of pulses. User should connect cooperating device to
the counter and generate as number of pulses as is essential to display desired value. After
counting press
[ENTER]
.
In next step message
”SEtVAL”
is displayed, and counter waits for entering value which
should be shown for just counted number of pulses ( it is
”muL”
parameter). Press
[ENTER]
again to start edit this value, remember that value is displayed without decimal point, and user
should enter whole value with desired fractional positions. Approve entered value pressing and
holding
[ENTER]
about 2 seconds.
Next step is selection of decimal point position (parameter
”Point”
). Counter displays
”SetPnt”
message and waits for acknowledge. Press
[ENTER]
and select point position.
Approve it pressing
[ENTER]
again. After whole procedure entered values are stored into
configuration memory, and value of OFFSET parameter is cleared.
19
3 4
R1
(optional)
5 6
R2
(optional)
7 8 9 10
n.c. n.c.
n.c. n.c.
18 19 20 21 22
A B C D COM
START
pouring
Main
valve
Additional valve
Flow detector
Controlled
system
-
+ -
B
+
Supply
24V DC