Page 1
HELLO
Stock Weigh 300
Operators Manual
Ft. Atkinson, Wisconsin USA
Panningen, The Netherlands
www.digi-star.com
D3734-US REV E October 31st, 2012
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SW300 User’s Manual D3734-US REV E
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Table of Contents
TABLE OF CONTENTS
TECHNICAL SPECIFICATIONS ..................................................................... 1
SAFETY DURING USE ................................................................................... 2
Cleaning ....................................................................................................... 2
Batteries ....................................................................................................... 2
INDICATOR OVERVIEW ................................................................................ 4
Bottom Panel ............................................................................................... 5
OPERATION ................................................................................................... 8
Turn on Indicator .......................................................................................... 8
Zero Balance Indicator ................................................................................. 8
Weighing Animals ........................................................................................ 8
Turning Off the Indicator .............................................................................. 8
OPTIONAL SETTINGS ................................................................................... 9
Load Cell Setup ........................................................................................... 9
OTHER FUNCTIONS .................................................................................... 10
Backlight Settings ...................................................................................... 10
Change the Backlight Setting .................................................................... 10
WEIGH METHODS ....................................................................................... 11
WEIGHING ERRORS ................................................................................... 12
RUN SELF TEST .......................................................................................... 12
MENUS AND CALIBRATION ........................................................................ 13
Calibrating Scale Using Known Weights ................................................... 15
INSTALLATION ............................................................................................. 16
Indicator Mounting ..................................................................................... 16
Optional Ram Mounting ............................................................................. 16
TROUBLESHOOTING .................................................................................. 17
All rights reserved. Reproduction of any part of this manual in any form whatsoever without Digi-Star‟s express written permission is
forbidden. The contents of this manual are subject to change without notice. All efforts have been made to assure the accuracy of
the contents of this manual. However, should any errors be detected, Digi-Star would greatly appreciate being informed of them.
The above notwithstanding, Digi-Star can assume no responsibility for errors in this manual or their consequence.
© Copyright! 2009 Digi-Star, Fort Atkinson (U.S.A.).
D3734-US REV E SW300 User’s Manual
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Table of Contents
SW300 User’s Manual D3734-US REV E
Page 5
Technical Specifications
SIZE
7.33” long x 5.25” high x 3.38” wide (186mm x
133mm x 85mm)
WEIGHT
2 lbs (.91 Kg)
HELP MESSAGES
Context sensitive help messages in 10
languages
Long messages are scrolled
TRANSDUCER EXCITATION
8 volts D.C. Nominal
Capable of driving eight 350 Ohms transducers
Short circuit proof
ATC
Auto Temperature Compensation of the internal
circuitry for high accuracy weighing
measurements
TRANSDUCER SIGNAL
Compatible with transducers having full scale
indicator transfer characteristics greater than
0.25 mv/v
“AUTO RANGE”
(Selectable) To increase display counts
at weight values of 300 and 600 display counts.
CONNECTOR
AMP plastic weather resistant circular
connector. Gold contacts.
POWER REQUIREMENTS
10.5 to 16.0 V.D.C.
160 mA nominal with four 350Ω L.C.
SET UP AND CALIBRATION
Via front panel
GROSS RANGE
999,999 max.display
LOW BATTERY WARNING
Enabled at 10.5V nominal
POUND/KILOGRAM
Selectable
DISPLAY
STD EZ 6 Digit LCD 1.0. high
DISPLAY RESOLUTION
.01, .02, .05, .1, .2, .5, 1, 2, 5, 10, 20, 50, 100
DISPLAY UPDATE RATE
Selectable: 1, 2, 3, 4 times/sec.
MAX. DISPLAY RESOLUTION
Adjustable to 40,000 counts max.
ZERO TRACKING
Selectable, On/Off
SPAN ACCURACY
±(.1% + .005%/ °F) or (.1% + 0.009% °C) full scale ± 1
output count
MOTION DETECTION
Selectable, On/Off
ZERO ACCURACY
(.005%/ °F.) or (0.009% °C) full scale ±1 output count
for 0.5 mv/v transducer
ENVIRONMENTAL ENCLOSURE
IP65, IEC 529
WEIGH ALGORITHM
4 internally selectable digital filters to optimize
performance
(General, Slow, Fast and Lock-on)
NON-VOLATILE MEMORY
EEPROM for balance
OPERATING TEMP
-29°C to 60°C -20°F to 140°F
TECHNICAL SPECIFICATIONS
D3734-US Rev E SW300 User’s Manual 1
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Safety During Use
LO BAT
SAFETY DURING USE
Caution
Cleaning
Do not use running water (high pressure cleaners, hoses) to clean the
indicator.
Batteries
Use AA Batteries
Insert batteries negative (-) end first.
Batteries are not necessary if using an AC power adapter.
Rechargeable Batteries
Rechargeable batteries may be used.
Rechargeable batteries will show a lower charge level when fully charged.
The SW300 does not charge batteries.
Battery Life
Percent of remaining battery life is displayed at power-up.
To extend battery life, select a lower backlight level or OFF. See
instructions below.
Low Battery Indication
Low Battery message and arrow is displayed when battery low.
Rechargeable batteries may cause low battery indication to appear earlier
than necessary.
2 SW300 User’s Manual D3734-US REV E
Page 7
Safety During Use
BAKLIT
Estimated Operating Battery Life
(Hours)
OFF
40-60
TIME 3
30-55
ON 3
25-45
ON 5
8-16
Battery Life
D3734-US Rev E SW300 User’s Manual 3
Page 8
Indicator Overview
1
2
3
4
5
1
2
3
4
Note: See page 16 for
installation instructions
5
INDICATOR OVERVIEW
– press and hold to zero balance.
– reweigh if scale is locked on.
– press and hold for setup menu.
– turns indicator on/off.
Display Window – Displays current weight or action.
4 SW300 User’s Manual D3734-US REV E
Page 9
Indicator Overview
Bottom Panel
SW300 with Load Cell Connectors
The bottom panel has a battery holder, a power connection and load cell
connections.
Three different load cell connection configurations are available:
Two load cell connectors (for use with J-Box or Load cells with
connectors.
Two liquid-tight connectors (for use with two bare-wire load cell cables)
Two dual liquid-tight connectors (for use with up to four bare wire load cell
cables)
Power Connection
Use only the 12 Volt AC-DC converter supplied with your Stock Weigh 300.
D3734-US Rev E SW300 User’s Manual 5
Page 10
Indicator Overview
White
Green
Red
Black
Shield
White
Green
Red
Black
Shield
SW 300 W/Liquid Tight Fittings
Connecting Load Cell Wires in Indicator
Remove the back cover (nine screws)
Feed the load cell wires in through the liquid-tight connectors
Connect one wire to each terminal as shown
Install the back cover (nine screws)
6 SW300 User’s Manual D3734-US REV E
Page 11
Indicator Overview
White
Green
Red
Black
Shield
White
Green
Red
Black
Shield
SW300 W/Dual Liquid Tight Fittings
Connecting Load Cell Wires in Indicator
Remove the back cover (nine screws)
Feed the load cell wires in through the liquid-tight connectors
Connect two wires to each terminal as shown. Tighten snugly.
Install the back cover (nine screws)
D3734-US Rev E SW300 User’s Manual 7
Page 12
Operation
1
0
1
l
3
4
1
OPERATION
Turn on Indicator
Zero Balance Indicator
Weighing Animals
1. Press .
1. Press and hold to zero
balance the indicator.
2. Place animal on platform.
3. "L" on the left side of the display
indicates that the weight is
"Locked-On".
4. Press while animal is on
scale to "re-weigh" the animal.
Turning Off the Indicator
8 SW300 User’s Manual D3734-US REV E
1. Press until “BYE” is
displayed.
Page 13
Optional Settings
Description
CAP (lbs)
3300LB
StockWeigh 3300 (pounds)
4,000
6600LB
StockWeigh 6600 (pounds)
7,000
SB4 LB
StockWeigh 1250 (pounds)
10,000
I0K LB
StockWeigh 10000 (pounds)
10,000
I4K LB
StockWeigh 14000 (pounds)
15,000
3300KG
StockWeigh 3300 (kilograms)
1,999
6600KG
StockWeigh 6600 (kilograms)
2,999
SB4 KG
StockWeigh 1250 (kilograms)
5,000
I0K KG
StockWeigh 10000 (kilograms)
5,000
I4K KG
StockWeigh 14000 (kilograms)
6,999
Other
Other load cell (Use Dead Weight Cal.)
_______
1
2
3
1
OPTIONAL SETTINGS
Load Cell Setup
1. Press and hold and
at the same time until setup is
shown.
2. Press to advance through
selections
3. Press to save.
D3734-US Rev E SW300 User’s Manual 9
Page 14
Other Functions
3
4
1
2
OTHER FUNCTIONS
Backlight Settings
The Backlight can be set of one of the following settings. When set to
TIME, the backlight turns off ten seconds after the last key-press.
OFF
TIME I
TIME 2
TIME 3
TIME 4
TIME 5
ON I
ON 2
ON 3
ON 4
ON 5
Change the Backlight
Setting
Backlight is off
Time = backlight will turn off
i0 seconds after the
last key press
I - 5 = backlight brightness
i = low/dim
5 = brightest backlight
Backlight will not turn off
I - 5 = backlight brightness
i = low/dim
5 = brightest backlight
1. Press and hold for 3 seconds
(ZTRACK is shown).
2. Press repeatedly until BAKLIT
is shown. The current backlight
setting will be displayed.
3. Press repeatedly until the
desired setting is displayed.
10 SW300 User’s Manual D3734-US REV E
4. Press to save the setting.
Page 15
Weigh Methods
WEIGH METHODS
Select “Lock On” for animal weighing. Use “General” for general weighing.
General Weigh Method
All purpose weigh method for weighing stable loads. It does not “Lock On”
the weight.
Lock-on Weigh Method
Weighs active animals and displays stable accurate weight. Lock-On
sensitivity is adjusted using “LOCKON” menu (see page 13).
Scale “Locks-On” to weight.
Weight is displayed stable, even if motion never stops.
Small „L‟ appears on left side of display indicating weight is “Locked-
On”.
Animal‟s weight must be greater than 0.67% of scales “capacity” (CAP)
before system can “Lock-On”.
Example: If “CAP” = 4000, 27 lbs. or more is required for scale to lock-
on.
Note: Use a weight value for Zero Tracking (
that is less than 0.67% of capacity.
To break lock, add or remove WEIGHT FROM SCALE PLATFORM. The
default setting is 50%.
The weight value that is used to “break the lock” and return to normal
weighing can be selected by choosing a value from 01 to 99%. (see
page 13) For example, if unlock is set to 10(%) and weight is locked
at 1000, display will “unlock” and return to normal weighing at 900,
once 10% (100) is removed.
“Locked-On” weight can be “rechecked”, press . this breaks “lock”
and scale recalculates weight.
ZTRACK
) (see page 13)
D3734-US Rev E SW300 User’s Manual 11
Page 16
Weighing Errors
1
2
WEIGHING ERRORS
Over Capacity Limit (OVRCAP)
Weight on scale exceeds capacity limit. Capacity value is entered in
SETUP to warn of overloading.
Over Range (+RANGE)
The display shows message "+RANGE" if weight on scale system
exceeds maximum weight measurable by scale system.
Under Range (-RANGE)
Display shows message "-RANGE" if weight on scale system is less
than minimum weight measurable by scale system.
RUN SELF TEST
Displays diagnostic tests to aid in troubleshooting.
Shows battery level
Shows load cell setup
Tests display segments
Shows program ID
Allows key test
1. Press and within three
seconds press to start self
test.
2. Press to exit test.
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Menus and Calibration
SETTING
[display]
Options [displayed]
BOLD = DEFAULT
DESCRIPTION
Zero Tracking
[ZTRACK]
1-99/OFF
Adjusts to zero for build-up of snow, mud
and manure. Weight value can be set from 1
to 99 lbs/kgs or OFF (00)
Weigh Method
[W MTHD]
GENERAL,
LOCK
Select weight method.
Lock-On
[LOCKON]
0.50, 0.75, 1.00,
1.25, 1.50, 1.75,
2.0, 5.0, 10.0
Higher value will lock on quicker but sacrifice
accuracy. Use lowest setting that will
consistently lock-on to the same weight for a
restless animal.
Unlock
01-99(50%)
The percent of weight required to break the
lock and return to normal weighing.
Lock-N-Hold
[LKNHLD]
ON/OFF
Holds “Lock-On” weight restarts when next
animal steps on.
Auto Off
[AUTOFF]
15,30,45,60,OFF
Indicator shuts “OFF” after set period of
inactivity.
Display Count
[COUNT]
.01,.02,.05,.1,.2,.5,
1,2,5,10,20,50,100
Select display count size (resolution) of
scale.
Auto-Range
[RANGE]
ON/OFF
Scale increases display count size for
weights over 300 again at 600 lbs/kgs.
Display Unit
[LB-KG]
LB/KG
When changing weight unit calibration
adjusted so scale displays accurately in new
display unit.
1
2
3
4
5
MENUS AND CALIBRATION
1. Press and hold for 3
seconds.
2. Press O repeatedly until
desired setting shows.
3. Press to change setting
option.
4. Press to save setting and
advance to next setting.
5. Press O repeatedly until
indicator returns to weighing mode.
D3734-US Rev E SW300 User’s Manual 13
Page 18
Menus and Calibration
SETTING
[display]
Options [displayed]
BOLD = DEFAULT
DESCRIPTION
Capacity
[CAP]
04000
Enter maximum weight measurable.
Span
[SPAN]
75%-125%
Displayed weight value can be adjusted by
increasing or decreasing the SPAN
percentage.
Back Light
[BCKLIT]
OFF
TIME 1
TIME 2
TIME 3
TIME 4
TIME 5
ON 1
ON 2
ON 3
ON 4
ON 5
Backlight intensity, see page 10.
14 SW300 User’s Manual D3734-US REV E
Page 19
Menus and Calibration
1
2
3
4
1
2
567
Calibrating Scale Using
Known Weights
1. Press and hold and
at the same time to enter setup
menu.
2. Press repeatedly to scroll
down to OTHER and press .
3. Press to zero balance the
scale.
4. Then press .
5. Add a known weight and press
.
6. Change displayed weight by
pressing to change value of
"flashing" digit and press
key to select which digit of display
is flashing.
7. When display reads correct
weight, press to store
calibration value.
8. Press and hold
D3734-US Rev E SW300 User’s Manual 15
9. Press repeatedly to scroll
down to CAP (capacity).
10. Enter maximum expected weight
or continue to press until
default weigh screen displays.
Page 20
Installation
RAIL MOUNT
WING MOUNT
WEDGE MOUNT
STANDARD
KEY
PART NUMBER
DESCRIPTION
A
403769
BRACKET – STR TOP MOUNT
B
403980
BRACKET – ROBO MOUNTING
C
403770
BRACKET – WING MOUNT
D
405069
U-BOLT, 1/4-20 X 3.25 ZP
E
403771
MODIFIED PLASTIC WEDGE MOUNT
F
405124
WEDGE MOUNT BRACKET, INCLUDES UBOLTS & NUTS
G
405084
NUT, 1/4-20 TOP LOCKING FLANGE
RAM MOUNT
STANDARD
U-BOLT BASE
TWIST LOCK
SUCTION CUP
KEY
PART NUMBER
DESCRIPTION
A
403180
RAM MOUNT
B
403179
MOUNT BASE-1" BALL U-BOLT
C
404230
RAM SUCTION CUP W/TWIST LOCK
INSTALLATION
Indicator Mounting
Optional Ram Mounting
SW300 User’s Manual D3734-US REV E
Page 21
Troubleshooting
Check or replace batteries.
Check for 12VDC at the AC/DC
converter power cord. If you do not
have a multimeter, use a car battery to
power the scale. If the indicator still
does not come on, send it in for repair.
YES
YES
NO
See Troubleshooting
on Page 18.
Check for debris around and under the
platform and load cells. Check for warped or
damaged mounts on platform.
Check for debris under or around
the scale mounts or platform.
Check the load cell cables for cuts
and flattened areas.
YES
NO
Does the indicator turn on?
Does the indicator respond when you
step on the scale?
Does the scale weigh you
close to your weight?
NO
TROUBLESHOOTING
D3734-US Rev E SW300 User’s Manual 17
Page 22
Troubleshooting
The other load cell is defective.
Check its cable for cuts or flattened
areas or send it back for repair.
Check the defective load cell by
connecting it to the indicator and
verify that it does not weigh.
YES
NO
The other load cell is defective. Check
its cable for cuts or flattened areas and
send it back for repair.
Both load cells are defective. The
indicator is probably OK. Check the
cables for damage and send both
load cells in for repair.
The indicator is defective. Send it in for
repair. Note: Load cells may also be
defective. Check the load cells by
attaching to a good working indicator.
YES
YES
NO
NO
Disconnect one of the load cells and stand over the connected load cell.
Does the indicator display a reading about twice your weight?
Disconnect the first load cell and connect
the other load cell to the same connector
on the indicator. Does the indicator display
a reading about twice your weight?
Perform the paper clip test. Take two paper clips and carefully insert one
into pin 2 and the other in pin 3 of either load cell connector jack on the
indicator. Hold one paper clip in each hand (if the touch it will not damage
the indicator). Does the reading on the indicator jump around?
Indicator Does Not Respond When You Step on the Scale
18 SW300 User’s Manual D3734-US REV E
Page 23
Troubleshooting
Disconnect one load cell cable from the indicator. Press the indicator “ZERO”
button. (The indicator display should go to zero). Stand on the load cell.
Does the indicator display a reading about twice your weight?
This load cell is OK. Disconnect the first
load cell and connect the other load cell
to the same connector. Now stand over
the second load cell. Does it weigh
twice your weight?
This load cell is defective. Check its
cable for cuts or flattened areas or send
it back for repair. Double check the
indicator using a known good load cell.
The other load cell is
defective. Check its
cable for cuts or
flattened areas and
send it back for repair.
Connect the load cell to the other
connector on the indicator. Stand on
the load cell. Does it display
approximately twice your weight?
Check the platform for debris and
mud interference. Check mounts
for binding and obstructions.
One of the load cells is
bad. A good load cell will
weigh you at approximately
twice your weight with only
one load cell connected.
Do both load cells weigh you
about the same but not within
20% of twice your weight?
The indicator is defective. Verify this by
substituting a good working indicator.
YES
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
NO
Connect both load cells (one at a time) to the
connector on the indicator. Do both load
cells weigh you about twice your weight?
Disconnect the first load cell. Connect the
other load cell to the indicator (use the same
connector). Stand over this load cell. Does
the indicator display a reading approximately
twice your weight?
The Scale Weighs Close to Your Weight
D3734-US Rev E SW300 User’s Manual 19
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