Denver Instrument DA Series Manuale utente
Denver DA Series
DA Models Operating Instructions
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Contents
Page
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
General View of the Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Transport Locking Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Setting Up the Scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Operating Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Descriptions of the Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Configuration (Setup Menu) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Application Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Counting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Check Weighing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Toggling between Weight Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Calibration/Span Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SBI Interface Protocol Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Data Input Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
RS-232 Interface Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Print Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Care & Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Accessories (Options) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
CMarking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3
4
Measurement category
!This instrument is designed for
measurement category I, with
a maximum of 8.5V. To ensure
safe operation do not use this
instrument for measurements
within the measurement cate-
gories II, III or IV.
!Opening the instrument
CAUTION: DANGER TO LIFE!
– Working on the instrument
when it is switched on can be
dangerous to life. Disconnect
the instrument from the supply
voltage! When removing covers
of parts by means of tools,
live parts or terminals may be
exposed. Capacitors in the unit
may still be charged even after
disconnecting the unit from all
voltage sources.
– As the unit has no power switch,
to completely remove AC power
from the unit, disconnect the
AC power cable from the mains
socket.
– Do not expose the scale
unnecessarily to aggressive
chemical vapors or to extreme
temperatures, moisture,
shocks, or vibration.
– Avoid exposing the scale
to static electricity; be sure
to connect the equipotential
bonding conductor to the
junction box.
Safety Precautions
Explanation of Symbols:
!Caution, risk of danger:
Read the accompanying text
carefully.
The instrument is double-
insulated.
Protective conductor terminal
Earth ground terminal
Safety tips,
electrical protection class
!This instrument was built and
tested in accordance with the
safety regulations for measuring
and control instrumentation
for protection class I (protective
earth connection) according
to IEC 1010/ EN61010-1 or VDE
0411. The instrument was
delivered in safe condition.
To maintain this condition and to
ensure safe operation, the oper-
ator must follow the instructions
and warnings given in this
documentation
Protective earth
!The connecting cable of the unit
complies with the regulations
in accordance with VDE 0411 or
EN61010. The mains plug must
contain a protective earth
conductor, which must not be
interrupted inside or outside
this instrument (e.g. by using an
extension cable without protec-
tive earth). Before commission-
ing, acceptance of the installa-
tion by a technically competent
expert is required.
5
Repair and maintenance
– Repairs are subject to checking
and can be carried out only at
Denver. In case of defect or func-
tional trouble, please contact your
local Denver dealer for repair.
When returning the instrument for
repair, an exact and complete fault
description must be supplied.
Only a trained technician aware
of the hazards involved may carry
out maintenance work, during
which the relevant precautions
must be taken.
Important note:
– Make sure that the construction
of the instrument is not altered to
the detriment of safety.
In particular, leakage paths, air
gaps (of live parts) and insulating
layers must not be reduced. The
manufacturer cannot be held
responsible for personal injury or
damage caused by an instrument
repaired incorrectly by user or
installer.
– Only authorized service techni-
cians who have been trained by
Denver and who follow Denver’s
standard operating procedures for
maintenance and repair may open
the scale. If you see any indication
that the scale cannot be operated
safely (for example, because of
equipment damage), turn off the
scale and lock it in
a secure place so that it cannot be
used for the time being.
– If you use suction lifting equip-
ment to lift the load plate, always
wear gloves, hard-toed safety
boots and protective clothing.
Warning: This procedure can
cause personal injury! Only
reliable personnel who are quali-
fied to perform such work are
allowed to use suction lifting
equipment.
– Always make sure the scale
is disconnected from AC power
before performing any installation,
cleaning, maintenance or repair
work.
– Check the pin assignment if
you use cables purchased from
a different manufacturer. Before
connecting such a cable to Denver
equipment, check the pin assign-
ment on the corresponding wiring
diagram or chart and disconnect
any wires that are assigned
differently from those specified
by Denver. The operator shall be
solely responsible for any damage
or injuries that may occur when
using cables not supplied by
Denver.
6
!Note:
– Do not use this equipment in
hazardous areas.
– Make sure the voltage rating
printed on the power supply is
identical to your local line
voltage.
– Use only commercially
available batteries (rechargeable
or dry-cell battery). If you use
a rechargeable battery, use only
12V 2.3AH.
– The scale is energized at all
times unless you disconnect the
AC power and the battery.
– Exposure to excessive electro-
magnetic interference can cause
the readout value to change.
Once the disturbance has
ceased, the instrument can be
used again in accordance with
its intended purpose.
7
Getting Started
Storage and Shipping Conditions
Do not expose the scale to shocks,
vibrations, moisture or extreme
temperatures.
Unpacking the Scale
After unpacking the scale, check
it
immediately for any visible damage
as a result of rough handling during
shipment.
Note:
– The display and control unit is
attached to the weighing platform
via a cable.
– If you see any sign of damage,
proceed as directed in the chapter
entitled “Care and Maintenance,”
under the section on “Safety
Inspection.”
– Save the box and all parts of the
packaging until you have success-
fully installed your scale. Only
the original packaging provides the
best protection for shipment.
Before packing your scale, unplug
all connected cables to prevent
damage.
Equipment Supplied
The equipment supplied includes the
components listed below:
– Scale with attached display and
control unit
– Load pan
– Installation and operating
instructions
Installation Instructions
The Denver DA scales are designed
to provide reliable weighing results
under normal ambient conditions.
When choosing a location to set up
your scale, observe the following
so that you will be able to work with
added speed and accuracy:
– Set up the scale on a stable, even
surface
– Avoid placing the scale in close
proximity to a heater or otherwise
exposing the scale to heat or
direct sunlight
– Protect the scale from drafts
that come from open windows or
doors
– Avoid exposing the scale
to extreme vibrations during
weighing
– Protect the scale from aggressive
chemical vapors
– Do not expose the scale to extreme
moisture over long periods
– Remove transport locking:
see page 9
Conditioning the Scale
Moisture in the air can condense
on the surfaces of a cold scale when-
ever it is brought into a substantially
warmer place. If you transfer the
scale to a warmer area, make sure
to condition it for about 2 hours
at room temperature, leaving it
unplugged from AC power. After-
wards, keep the scale continuously
connected to AC power.
8
1 Manufacturer’s ID tag
2 Housing
3 Power cable
4 Display and control unit retainer
5 Display and control unit column
6 Column support foot
7 Level indicator (option)
8 Leveling feet
9 Stainless steel weighing pan
10 Power plug
11 Cable gland cover (for optional
RS-232 port outlet)
12 Load cell cable gland
General View of the Equipment
1
2
3
4
5
6
7
8
9
10
11
12
9
– Under the metal frame structure there are
four safety overload protection pins.
The transportation protection nut is painted
red (Note: not on all platform models)
Before using the scale, rotate the nut
(upwards) until tight.
Place the load plate on the scale
Transport Locking Device
10
Connecting Electronic Peripheral Devices
§Make absolutely sure to unplug the scale
from AC power or switch off (activate
battery mode) before you connect or dis-
connect a peripheral device (printer or PC)
to or from the interface port.
Warm-up Time
To deliver exact results, the scale must warm
up for at least 30 minutes after initial connec-
tion to AC power. Only after this time will the
scale have reached the required operating
temperature.
Leveling the Scale
– Remove the load plate
– Using the 4 foot screws, level the scale
so that the air bubble is centered within the
level indicator
– Check to ensure that all leveling feet rest
securely on the work surface
Setting Up the Scale
Indice
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