AGRI TRONIX DIGI-STAR GT400 User manual

D3831 REV B February 12, 2010
GT400
Operators Manual
Ft. Atkinson, Wisconsin USA
Panningen, The Netherlands
www.digi-star.com

GT400 User’s Manual D3831 Rev B

Table of Contents
D3831 Rev B GT400 User’s Manual
TABLE OF CONTENTS
TECHNICAL SPECIFICATIONS..................................................................... 1
SAFETY DURING USE................................................................................... 2
Cleaning....................................................................................................... 2
Charging Battery and Welding..................................................................... 2
INDICATOR OVERVIEW ................................................................................ 3
OPERATION ................................................................................................... 5
Turn on Indicator.......................................................................................... 5
Zero Balance Indicator................................................................................. 5
Loading and Unloading................................................................................ 6
Field ID......................................................................................................... 7
Print Formats ............................................................................................... 8
Saving/Printing Gross Weights.................................................................... 9
Turning Off the Indicator.............................................................................. 9
WEIGHING ERRORS ................................................................................... 10
Over-Capacity Limit (
OVRCAP
)...................................................................... 10
Over Range (
+RANGE
).................................................................................. 10
Under Range (
-RANGE
)................................................................................. 10
Low Battery Indication (
LO BAT
)................................................................... 10
RUN SELF TEST .......................................................................................... 10
MENUS AND CALIBRATION........................................................................ 11
Changing Options Using Long Form Setup............................................... 11
SHORT FORM CALIBRATION ..................................................................... 14
Obtain Current Set-up and Calibration Number ........................................ 14
Calibrating Scale For Maximum Accuracy................................................. 15
Determining New Setup and Calibration Numbers.................................... 15
Enter A New Setup And Calibration Number............................................. 16
INSTALLATION............................................................................................. 17
Indicator Mounting ..................................................................................... 17
Optional Ram Mounting ............................................................................. 17
Cable Connection ...................................................................................... 18
Indicator Connection Diagram ................................................................... 18
Bottom Panel Cable Connections.............................................................. 18
Connect Load Cells to J-Box ..................................................................... 19
Load Cell Direction..................................................................................... 19
Indicator Calibration................................................................................... 19
OPTIONAL EQUIPMENT.............................................................................. 20
Data Transfer Options................................................................................ 20
Remote Indicators...................................................................................... 20
TROUBLESHOOTING .................................................................................. 21

Table of Contents
GT400 User’s Manual D3831 Rev B
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.).

Technical Specifications
D3831 Rev B GT400 User’s Manual 1
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 350
Ω
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

Safety During Use
2 GT400 User’s Manual D3831 Rev B
SAFETY DURING USE
Caution
Cleaning
Do not use running water (high pressure cleaners, hoses) to clean the
indicator.
Charging Battery and Welding
Disconnect all cables from the weighing indicator before charging the
battery or welding on the machine. If cables are left connected, the
weighing indicator and connected load cells could be damaged.
Scale Indicator
Disconnect
all cords

Indicator Overview
D3831 Rev B GT400 User’s Manual 3
INDICATOR OVERVIEW
1
- ZERO/BALANCE operation when the scale is empty.
2
- start unloading
and stop unloading, indicator displays amount
unloaded, stores or prints data to serial port when complete
.
3
- edit name and display weight accumulation value.
4
- turns the unit on and off.
Net – arrow flashes in net mode.
Print – arrow flashes when printing or saving to Data-Down-Loader.
Gross – arrow flashes in gross mode.
Unload – arrow flashes in unload mode.
1
2
3
4
Note:
See page 17 for installation instructions.
5
6
7
8
6
7
8
5

Indicator Overview
4 GT400 User’s Manual D3831 Rev B
Bottom Panel
- Remote Port – Optional, for remote display.
- Power Cord Connection – +12 VDC.
- Load Cell Connection – Connect cable from the J-Box.
- Serial/J905 – Optional, to communicate with computer and other digital
Input/Output devices.
Pin J905 Connector Signals
1 +5VDC
2 Com #1 Out (Tx) - Computer
3 Com #1 In (Rx) - DDL & Computer
4 Com #2 Out (Tx) - Printer
5 +12 VDC
6 Gnd – Available for any Com device
7 Com #2 In (Rx)
8 Ground
9
10 11
12
9
10
11
12

Operation
D3831 Rev B GT400 User’s Manual 5
OPERATION
Turn on Indicator
Zero Balance Indicator
1. Press .
1.Press and hold for 3 seconds
to zero balance indicator.
2.Flashing arrow points to gross next
to the display window, indicator
ready to weigh.
1
1
0
2

Operation
6 GT400 User’s Manual D3831 Rev B
Loading and Unloading
Note:
For best accuracy park scale on
level surface and allow weight reading
to stabilize before Zero balancing the
scale and before beginning to unload.
1.Load cart.
2.Press to begin unloading.
Display reads Zero. Arrows point to
Net and Unload.
3.Unload weight from cart. Display
shows amount unloaded.
4.Press . after unloading is
complete. Data is automatically
added to accumulator and saved to
printer or DDL (See print format
section, page 8); a flashing arrow
will point to PRINT.
Note: Print and accumulator features
are available with Serial Option only.
5.Indicator displays GROSS weight
remaining on scale.
2
44
5

Operation
D3831 Rev B GT400 User’s Manual 7
Field ID
6 character identification value stored
in internal memory of indicator to
identify field being unloaded, truck
being loaded or other information.
1.Press .
FIELD
is displayed and a
flashing cursor or character is
displayed in the first position.
2.Press to scroll available
characters. Hold for 4
seconds to increase second scroll
rate.
3.Press to scroll backwards
through available characters.
Press to move to the next
character.
4.Press to accept and save.
1
3
4
2

Operation
8 GT400 User’s Manual D3831 Rev B
Print Formats
Three print formats are available to output
PRTACC
value and
FIELD ID
to DDL
or printer.
PRTAC1:
FIELD ID, 4856, GR, 274575, PA, 05FE08, I:44P
PRTAC2:
FIELD ID, 05FE08, I:44P
4856, GR, 274575, PA
Includes following information:
•
Field ID
•
Weight
•
Weight Tag (NE, GR, Load/Unload)
•
Accumulated Weight
•
Print Accumulator Tag
•
Date and Time
PRTAC3:
FIELD3, 5977, LB, ,GR, 3097I9,PA,05FE08, 4:42P
Includes above and adds “Unit of Measure”.
See “Menus and Calibration” (see page 11) to change print format
(PRTFMT).

Operation
D3831 Rev B GT400 User’s Manual 9
Saving/Printing Gross
Weights
(Optional w/ Serial Option)
Turning Off the Indicator
1.Press and hold three
seconds to send weight to serial
port.
Each time this command is executed
the value displayed is added to the
“PRTACC”
which is the accumulated
weight. Weight is accumulated until
cleared.
1.Press until “
BYE
” is displayed.
1
bye
1

Weighing Errors
10 GT400 User’s Manual D3831 Rev B
WEIGHING ERRORS
Over-Capacity Limit (
OVRCAP
)
The display shows the message "OVRCAP" if the weight on the scale system
exceeds the capacity limit. The capacity value is entered in SETUP to warn of
overloading the scale system.
Over Range (
+RANGE
)
The display shows the message "+RANGE" if the weight on the scale system
exceeds the maximum weight measurable by the scale system. The over
range value is always the system’s maximum A/D counts multiplied by the
scaling factor. The actual weight at which over range occurs depends on the
calibration, zero, and display count size.
Under Range (
-RANGE
)
The display shows the message "-RANGE" if the weight on the scale system is
less than the minimum weight measurable by the scale system. The under
range value is always the system’s minimum A/D counts multiplied by the
scaling factor. The actual weight at which under range occurs will depend on
the; calibration, zero, and display count size.
Low Battery Indication (
LO BAT
)
If the supply voltage drops below the (10.5 Volts), the message
“
RECHARGE
BATTERY - TURNING OFF”
and
“
LO BAT
”
will periodically show on the display to
alert the operator of the low battery condition.
RUN SELF TEST
1.Press 3 seconds until the
LB symbol starts to blink.
Release.
2.Press to start the Self Test.
1

Menus and Calibration
D3831 Rev B GT400 User’s Manual 11
MENUS AND CALIBRATION
The Indicator has optional settings that allow flexibility in the way that the scale
is used and data is collected.
Changing Options Using Long Form Setup
Enter Long Form Setup by holding and for three seconds.
Press to advance to desired menu 1,2,3,4,CALIB, or EXIT,
press to select.
Press to advance to desired setting.
Press to advance setting to desired option.
Press to save setting option and advance to next setting.
Hold and press to return to normal indicator operation.
Default settings from the factory vary with options and due to customer
preferences.
SETTING
[display]
OPTIONS [displayed]
BOLD=DEFAULT DESCRIPTION
MENU 1. BASIC FEATURES IN MOST INDICATORS
LANGUAGE
(langag)
English
Dutch
French
German
Italian
Portuguese
Spanish
Danish
Hungarian
Spanish
[ENGLSH)
[NEDERL]
[FRANCS]
[DEUTSH]
(ITAL]
(PORT]
(ESPAN]
(DANSK]
(MAGYAR]
(VESTA]
Select language to be displayed.
DISPLAY RATE
(0 rate)
I,
2
,3,4
Update display times per second.
FIELD ID
(FIELD)
NEW EZ
Identity of FIELD location, Truck ID
or Grain Cart ID.

Menus and Calibration
12 GT400 User’s Manual D3831 Rev B
SETTING
[display]
OPTIONS [displayed]
BOLD=DEFAULT DESCRIPTION
MENU 2. CLOCK, PRINTER, COMMUNICATIONS & ESTIMATED
WEIGHT FEATURES
TIME FORMAT
(time f) 24 HR
AM/PM
Select time format -AM/PM or 24
hour
TIME
(time)
XX:XX:XX
changes time,
selects hh,:mm,or:ss.
DATE FORMAT
(date f)
1-mm-dd
2-mm/dd/yy
3-mm/dd/yyyy
4-dd-mm
5-dd/mm/yy
6-dd/mm/yyyy
7-ddmoyy
8-ddmoyyyy.
Select date format
DATE
(date)
Enter XXXXXX
changes date –
moves to next field.
TARE AUTO
PRINT
(tareap)
ON/
OFF
If ON -tare auto-prints displayed
weight.
ONE LINE PRINT
(Il prt) ON/
OFF
If ON -indicator data prints on one
line.
AUTO PRINT
(aprint)
ON/
OFF
If ON -pressing keys auto-prints
weight values.
INTERFACE
(COM IN) DOWNLD,
EZ CMD,
EZ2CMD
Com port interface selections
DOWNLD
for Data Down Loader, EZ
EZ CMD
= Original EZ Commands,
EZ2CMD
= EZII Escape Commands.

Menus and Calibration
D3831 Rev B GT400 User’s Manual 13
SETTING
[display]
OPTIONS [displayed]
BOLD=DEFAULT DESCRIPTION
PRINT FORMAT
(prtfmt)
AUTO
WTONLY
DOWNLD
DT+TM
ID+TM
IDWTTM
ANIMAL
3200-A
3200-B
32-TMR
DATCHI
FDINFO
WTRCTM
EIDINF
EID
EIDVID
PRTAC1
PRTAC2
PRTAC3
FEED-1
PRTAC4
PRTAC5
PRTAC6
BUFINF
Select alternate & comma (CSV)
formats.
(zerout)
Perform the Zero/Balance for
SCOREM #11 weight output and
Analog Output Option (4-20mA).
(CI DLY) OFF,
.I0
, .25, .50, .75, I-5
Choose the number of seconds
the printer will delay before
advancing to the next print line.
(
C2 DLY
)
OFF
, .I0, .25, .50, .75, I-5
Choose the number of seconds
the printer will delay before
advancing to the next print line.
(prtacc)
Reset Print Accumulator
MENU 3. SCALE CALIBRATION SETTINGS
DISPLAY COUNT
(
COUNT
)
.0I,
.
02,.05,.I,.2,.5,I,2,5,
I0
,20,
50,I00
Count set too small, readings
unstable and indicator not accurate
DISPLAY UNIT
(lb-kg)
LB
/ KG
Unit of measure.
When changing weight unit using
long form, calibration is adjusted so
scale displays accurately in new
display unit.
CAPACITY
(cap)
85000
Enter MAXIMUM weight
measurable on scale.
MENU 4 – NOT USED

Short Form Calibration
14 GT400 User’s Manual D3831 Rev B
SHORT FORM CALIBRATION
The Short Form Setup & Calibration procedure allows you to change “SETUP”
and “CAL” numbers of indicator.
Do not attempt to calibrate scale if indicator is not reading stable weights.
Calibration procedure will not fix instability, inconsistencies, or flashing
"RANGE" messages.
Obtain Current Set-up and Calibration Number
Write down current SETUP and CAL
numbers of your GT 400 indicator.
These numbers are displayed during
Self Test.
SETUP NUMBER
To run self test with indicator ON:
1.Press until LB symbol starts
to blink. Release, then press
to start Self Test.
2.Press to “pause” the Self-Test
while numbers are displayed.
3.Press again to allow self-test
to complete normally.
SETUP # _______________
CAL # ________________
Following is a list of functions that are controlled by the “SETUP” number:
Weigh Method (
W MTHD
) Gain
Display Units (
LB-KG
) Scale Capacity
Display Counts (
COUNT
)
1
3
2
1

Short Form Calibration
D3831 Rev B GT400 User’s Manual 15
CALIBRATION NUMBER
The “CAL” number is adjusted to make scale read proper weight for different
load cells and to make accuracy adjustments on a scale system. Systems
should be checked with known weights and adjusted if necessary to insure
accuracy. Both setup and calibration numbers are changed to convert a scale
from lbs to kgs.
Calibrating Scale For Maximum Accuracy
Note:
To accurately calibrate scale, you need a large amount of weight that
has a known value. For best results you should have at least as much weight
as largest load you plan to weigh.
Determining New Setup and
Calibration Numbers
The setup number does not change.
1.Press to Zero-Balance.
2.Put KNOWN WEIGHT on scale
platform and write down DISPLAY
WEIGHT.
Perform following equation to find
ACCURATE CAL NUMBER.
1

Short Form Calibration
16 GT400 User’s Manual D3831 Rev B
Enter A New Setup And
Calibration Number
1.Press and hold and
for 3 seconds to enter short form
calibration.
2.The display will flash “
SETUP
” and
then display the 6-digit setup
number with the right digit flashing.
3.Press several times to
increment digit to it proper value.
4.Press to advance digit left.
Repeat steps 3 and 4 for each digit as
required.
5.Press to enter new setup
number and display calibration
number.
Repeat steps 3 and 4 to modify the
calibration number.
6.Press to enter new calibration
number and display will go back to
normal.
7.Verify the accuracy of scale.
1 1
3
4
5
6
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