Adam Equipment WBW Series Manuel utilisateur
© Adam Equipment Company 2008
.
Adam Equipment
WBW SERIES
Service Manual
Software rev.: 2.xx and above
ADAM EQUIPMENT CO. LTD.
P.N. 9035, Rev. D, May 2009
© Adam Equipment Company 2008
© Adam Equipment Company 2008 1
CONTENTS
1.0 INTRODUCTION ...................................................................................................... 3
2.0 SPECIFICATIONS.................................................................................................... 5
3.0 TROUBLESHOOTING ............................................................................................. 7
4.0 ERROR CODES....................................................................................................... 8
5.0 WBW DESCRIPTION............................................................................................... 9
6.0 LOAD CELL DAMAGE ............................................................................................. 9
7.0 FACTORY PARAMETERS..................................................................................... 12
7.1 F1
-CALIBRATION ............................................................................................... 13
7.2 F2
–
CAPACITY ................................................................................................... 14
7.3 F3
-INITIAL
ZERO
RANGE .................................................................................. 14
7.4 F4
-RE-ZERO
RANGE ......................................................................................... 15
7.5 F5
-SUCCESSIVE
TARE ..................................................................................... 15
7.6 F6
-A/D
COUNT ................................................................................................... 15
7.7 F7
–LOW
VOLTAGE
DETECT ............................................................................. 15
7.8 F8
–WEIGHING
UNITS
ALLOWED...................................................................... 16
8.0 WIRING DIAGRAM ................................................................................................ 17
9.0 MECHANICAL ASSEMBLY.................................................................................... 18
*****
© Adam Equipment Company 2008 2
© Adam Equipment Company 2008 3
1.0 INTRODUCTION
•The WBW range provides accurate, fast and versatile general purpose
weighing scales with check-weighing functions.
•There are two series within the range. The WBWa series of scales are
similar to the WBW series of scales except the default units are pounds,
whereas in the WBW series the imperial units are disabled which can be
enabled by the user.
•There are 4 models in each series with capacities up to 16 kg / 35 lb.
•All have stainless steel weighing platforms on an ABS plastic base assembly
which is sealed to IP 65.
•All scales have sealed keypads with colour coded membrane switches and
the displays are large easy to read liquid crystal type displays (LCD). The
LCD’s are supplied with a backlight.
•The scales include automatic zero tracking, audible alarm for pre-set weights
and semi-automatic tare.
© Adam Equipment Company 2008 4
© Adam Equipment Company 2008 5
2.0 SPECIFICATIONS
WBWa Series (USA models)
WBW 2
WBW 5a
WBW 4
WBW 9a
WBW 8
WBW 18a
WBW 16
WBW 35a
Pounds
Maximum Capacity 5 lb 9 lb 18 lb 35 lb
Tare Range -5 lb -9 lb -18 lb -35 lb
Readability 0.0005 lb 0.001 lb 0.002 lb 0.005 lb
Repeatability (S.D.) 0.0005 lb 0.001 lb 0.002 lb 0.005 lb
Linearity (±) 0.001 lb 0.002 lb 0.004 lb 0.01 lb
Ounces
Maximum Capacity 80 oz 144 oz 288 oz 560 oz
Readability 0.01 oz 0.02 oz 0.05 oz 0.1 oz
Repeatability (S.D.) 0.01 oz 0.02 oz 0.05 oz 0.1 oz
Linearity (±) 0.02 oz 0.04 oz 0.1 oz 0.2 oz
Pounds:Ounces
Maximum Capacity 5 lb: 0.00 oz 9 lb:0.00 oz 18 lb:0.0 oz 35 lb: 0.0 oz
Readability 0.01 oz 0.02 oz 0.1 oz 0.1 oz
Repeatability (S.D.) 0.01 oz 0.02 oz 0.1 oz 0.1 oz
Linearity (±) 0.02 oz 0.04 oz 0.2 oz 0.2 oz
Kilograms
Maximum Capacity 2.000 kg 4.000 kg 8.000 kg 16.000 kg
Readability 0.0002 kg 0.0005 kg 0.001 kg 0.002 kg
Repeatability (S.D.) 0.0002 kg 0.0005 kg 0.001 kg 0.002 kg
Linearity (±) 0.0004 kg 0.001 kg 0.002 kg 0.004 kg
Grams
Maximum Capacity 2000 g 4000 g 8000 g 16000 g
Readability 0.2 g 0.5 g 1 g 2 g
Repeatability (S.D.) 0.2 g 0.5 g 1 g 2 g
Linearity (±) 0.4 g 1 g 2 g 4 g
© Adam Equipment Company 2008 6
OTHER SPECIFICATIONS
Units of measure kg, g, lb, oz, lb:oz
Tare Full range
Stabilisation Time 2 seconds typical
Operating
Temperature
-10°C - 40°C
Power supply 9 -12VDC, 800 mA
Through an external Power Supply Module
Battery Internal rechargeable battery (~50 hours operation)
Calibration Automatic External
Display 6 digits LCD digital display
with capacity tracker and symbols for units
Scale Housing IP 65 Sealed ABS Plastic housing with
Stainless Steel pan
Pan Size 210 x 173 mm
Overall Dimensions
(wxdxh)
231 x 265 x 153 mm
Net Weight 2 kg
Applications Weighing Scales
Functions Weighing, Check weighing
© Adam Equipment Company 2008 7
3.0 TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE
Display is blank Power Switch faulty or not connected
No turn on test Battery not charged or faulty
Power supply faulty or incorrect type
E6 is displayed Pan not installed
Poor connection
Load cell damaged
Electronics faulty
“- - OL - -“appears on display Maximum capacity exceeded
Load Cell damaged
Electronics is faulty
Display is unstable Drafts or air currents
Obstruction under pan
Sample is moving (animal weighing)
Vibrations through table
Temperature changed dramatically
Electronics faulty or Battery low
Weight value incorrect Calibration error, Recalibrate
Unit calibrated with inaccurate weight
Balance not level
Obstruction between sample pan
Wrong unit of weight displayed
Cannot use Full Capacity Over-load Stops hitting pan support or hitting
bottom of load cell
Electronics faulty
Parameters set incorrectly
Load Cell Damaged
Not Linear Overload stops hitting too soon
Faulty factory calibration
© Adam Equipment Company 2008 8
Off Centre Loading error Overload Stops not correct
Obstruction under pan
Battery will not charge Charging circuit failure
Battery Failure
Incorrect adapter (below 800 mA)
Processor failure
4.0 ERROR CODES
ERROR
CODE
DESCRIPTION POSSIBLE CAUSES
Err 4
Initial Zero is greater than
allowed (4% of maximum
capacity) when power is turned
on or when the [Zero/Enter]
key is pressed.
Weight on the pan when turning the
scale on.
Excessive weight on the pan when
zeroing the scale.
Platform is not installed.
Improper calibration of the scale.
Damaged load cell.
Damaged Electronics.
Err 6
A/D count is not correct when
turning the scale on.
Load cell is damaged.
Electronics is damaged.
Err 8
High limit input error Low limit is set first, then the high limit is
set lower than the low limit and high
limit not equal to zero.
Err 9
Low limit input error High limit is set first, then the low limit is
set higher than the high limit and low
limit not equal to zero.
FAIL H
or
FAIL L
Calibration error Improper calibration (should be within
+10% of the factory calibration). The old
calibration data will be retained until the
calibration process is complete.
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