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