Dillon AFG Series Bedienungsanleitung
1
Thank you for choosing the Dillon Advanced Force
Gauge (AFG) or Advanced Force/Torque Indicator
(AFTI II) instrument. With correct use and regular
recalibration it will give many years of accurate and
reliable service.
The Dillon AFG is the latest in a series of highly
adaptable display units. By using the latest inte-
grated circuit technology it has been possible to
produce a truly universal display which can be used
to measure force, torque or weight when com-
bined with suitable transducers.
Upon receiving the unit please check for obvious
physical damage to the packaging material and the
instrument itself. If any damage is evident please
notify your Dillon distributor immediately.
We strongly recommend you keep all packaging for
future shipping requirements.
The most commonly used features such as force or
torque display, peak detection and the changing of
displayed units, can all be done with just one key
press per function on the front panel.
Operation
Introduction
2
As shown in Figure 1, the control panel has eight
keys.
Figure 1
AFG front panel
To power up the unit, press the green ON key. A
short self test runs during which the display will
show the software version number, revision date
and the instrument’s capacity in newtons.
After the self test and providing no load has been
applied to the instrument the display will show all
zeroes. This is because the unit rezeroes itself
during the self-test routine.
Please note that an
instrument with an
integral transducer
(AFG) measuring very
low forces may not
show zero if it is
moved during the self
test routine. Once the
unit is properly
mounted and zeroed
the reading will be
stable.
Powering Up
the Unit
The Nicad battery in
the AFG has been
charged prior to
delivery but for
maximum battery life
we recommend that
you charge the
battery for at least
20 hours before
operating.
You can use the AFG
while it is charging.
3
The instrument is now in the display mode. This is
the most commonly used mode. The display is
showing the actual force that is being applied to the
unit.
If a force is carefully applied via the sensing probe
(hole at bottom of AFG, only) the reading on the
display will register this applied force.
Do not overload the transducer as this will cause
irreparable damage. In this display mode, forces or
torques greater than 120% of full scale will produce
a constant sound warning coupled with an OL
symbol on the display. The instrument keeps a
record of all overloads that are applied. This can
only be cleared by trained Dillon staff or represen-
tatives.
Tensile forces on the AFG are displayed as positive
numbers and compressive forces as negative
numbers, the minus sign appearing to the left of the
digits when shown. See Figure 2.
Figure 2
Display of tension and compression
Display of
Tension/
Compression
4
The display also has symbols located at the left
which directly relate to this sign (two triangular
arrows pointing away from each other for tension
and two triangular arrows pointing toward each
other for compression).
The display is equipped with rotating arrow
symbols which will appear when the unit is config-
ured for torque. See Figure 3. Clockwise torques
are displayed as positive numbers and counter-
clockwise torques as negative numbers. The
arrows directly relate to the sign just like the
tension and compression symbols described above.
Figure 3
Torque display
During the operation of the unit it is often neces-
sary to zero the display. Do this by pressing the
ZERO key. When the instrument is actually
zeroing itself, the top and bottom row of display
segments will alternately blink once. The display
should then read all zeroes. See Figure 4.
Display of
Torque
Zeroing
the AFG
5
You can choose among the following units of
measure: pounds, ounces, Newtons, kilograms, and
grams.
On torque based instruments you can choose from
kilogram.centimeters, pound.feet, pound.inches and
Newton.meters. The actual units available will vary
depending on the range of the instrument. The
most suitable set of units is automatically selected
within the instrument’s operating program accord-
ing to its range and type.
To change the display units press the UNITS key.
The newly selected units will be shown at the
bottom of the display, as shown in Figure 5. Each
successive key press will select the next available
units until the instrument returns to the original.
Figure 5
Changing unit of measure
Changing Unit
of Measure
Figure 4
Zeroing the AFG
6
The instrument detects and stores maximum
(peak) force or torque in both directions. Press the
MAX key. The display will show the word MAX
and the highest tensile/clockwise load detected
along with the appropriate symbol for tension or
torque. See Figure 6.
Figure 6
Max (Peak) tension
Press the MAX key again and the display will show
the maximum compressive/counterclockwise load
detected along with the appropriate symbol for
compression or torque. See Figure 7.
Figure 7
Max (Peak) compression
Press the RESET key to clear both maximum
registers and prepare for detecting the next
maximum readings or, for maximum accuracy,
rezero the instrument by pressing the ZERO key.
This zeroes the instrument as well as resets it.
Max (Peak)
Readings
The instrument deals
with force and torque
in exactly the same
manner except for
the symbols dis-
played.Consequently,
force will be used for
all further references
in this manual.
7
The AFG has the following modes of operation in
addition to the main display mode:
ALARM In this mode alarm points can be
set and other features pertaining
to the alarms can be configured.
COM COM stands for COMMUNICA-
TIONS. In this mode you config-
ure serial RS-232 and
MITUTOYO outputs. You can
also configure the internal storage
of readings and their transmission
in this mode.
EXTRA The EXTRA mode allows all
other instrument characteristics
not previously covered to be
configured.
Follow these steps to select one of the operation
modes:
1. With the instrument
in the display mode,
press and hold the
MODE key for two
seconds. . . The current mode
symbol (in this case
DISPLAY) will flash.
Other Modes of Operation
Selecting a
Mode
of Operation
To return to the
main display mode
from any other mode,
press the MODE
key twice.
8
2. Press one of the
mode keys. Their
names appear above
or below the keys.
They are ALARM,
COM or EXTRA. . . The selected mode will
now be entered.
To move from one non-
display mode to
another, briefly press
the MODE key then
the key with the mode
label you want to enter.
You do not have to
press and hold the
MODE key for two
seconds.
The descriptions of the modes in the following
sections assume that the instrument is in its factory
default state (see APPENDIX A). If the mode has
been previously viewed, the display will show the
last parameter viewed. Press the MORE key to
scroll through the list of parameters until you see
the one you want. The MODE FLOW CHARTS in
APPENDIX B are very helpful when moving around
the modes.
Once you have entered a mode, set the param-
eters to fit your needs by following the instructions
in the following sections.
9
The alarm feature operates by setting a band
comprising of two force points, an upper and a
lower, which you select. You configure the alarm
so that a buzzer sounds and/or a light changes from
green to red to signify whether the test force has
gone in or out of the selected band.
The ALARM mode can be entered as described
above in the section entitled Selecting a Mode of
Operation. The alarm is set to operate by configur-
ing the lower and upper alarm points.
1. Upon entering the
ALARM mode the
first point is
displayed, shown by
a 1at the top of the
display next to the
ALARM symbol.
2. To change the value
press the UP or
DOWN arrow
keys. . . Single key presses
increment or decre-
ment the displayed
value by one display
count, i.e. 1/5000th of
the full scale range in
whichever units are
currently being dis-
played.
Hold the key down for
0.5 seconds to activate
an auto repeat feature.
The value will incre-
ment or decrement
Alarm Mode
Setting the Lower
and Upper Alarm
Points
Point 1 or 2 can be
either the lower or
upper limit. It does
not matter which is
which.
If the mode has been
previously viewed, the
display will show the
last parameter
viewed. Press the
MORE key to scroll
through the list of
parameters until you
see the one you
want.
10
slowly at first, and then
for as long as the key
remains pressed the
rate will increase.
3. When the desired
value is shown, press
the MORE key. . . The first point is
entered into memory
and 2is displayed at the
top of the display.
4. Repeat step 2 to set
the second limit.
5. When the desired
value is shown, press
the MORE key. . . Current setting for
alarm output is shown.
6. Press the UP or
DOWN arrow keys
to scroll through the
options for alarm
output. Choose from
the following:
OFF No alarm output
Audio The buzzer only
LEd The LED output only
both The buzzer and LED
outputs will operate
simultaneously.
You can change the
unit of measure while
in the ALARM mode.
Press the UNITS
key to change the
unit of measure. The
newly selected unit of
measure will be in
effect when you
return to the display
mode.
You can also
transmit each alarm
point via RS-232 by
pressing the TXD
key. This is useful for
downloading
tolerance values into
data logging comput-
ers/software and
other suitable
peripherals.
Alarm Output
Dieses Handbuch passt für folgende Modelle
9
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