GSE 672 User manual

GSE Model 672
PRECISION SCALE
User’s Guide
Part Number: 39-10-42423
V
ersion: 2.1
March, 2009

Model 672
USER’S GUIDE
Version 2.1

GSE 672 Precision Scale Users Guide
Copyright © 2008 GSE. All rights reserved.
Published by:
GSE
1525 Fairlane Circle
Allen Park, MI 48101
USA
Information in this Users Guide is subject to change without notice due to correction or enhancement. The
information described in this manual is solely the property of GSE. No part of this manual may be
reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying
and recording and sold for any monetary figure without the express written permission of GSE.
GSE Locations
GSE
1525 Fairlane Circle
Allen Park, MI 48101
U.S.A.
www.gse-inc.com
GSE Europe GmbH
Phone: [phone]
Fax: [phone]

Table of Contents
Chapter 1: Reference .................................................................................................................................. 1
Enclosure ................................................................................................................................................ 1
Load Cell ................................................................................................................................................ 1
Main Board............................................................................................................................................. 2
Keypad.................................................................................................................................................... 2
Display.................................................................................................................................................... 4
Back Panel Connections ......................................................................................................................... 4
Chapter 2: Configuration............................................................................................................................ 7
Basic Weigh ........................................................................................................................................... 7
Apw Lookup........................................................................................................................................... 9
Chapter 3: Operation ................................................................................................................................ 17
Basic Weigh ......................................................................................................................................... 17
APW Lookup........................................................................................................................................ 18
Chapter 4: Calibration .............................................................................................................................. 23
Access Calibration from APW Lookup Mode...................................................................................... 23
Access Calibration from the Basic Weigh Mode.................................................................................. 23
Calibration Methods ............................................................................................................................. 23
General Notes on Calibration ............................................................................................................... 23
Chapter 5: Legal for Trade ....................................................................................................................... 31
NTEP Requirements............................................................................................................................. 31
NTEP Custom Setup............................................................................................................................. 32
Sealing And Audit Trails...................................................................................................................... 33
Audit Trails........................................................................................................................................... 34
OMIL Requirements............................................................................................................................. 35
Other Requirements.............................................................................................................................. 35
Chapter 6: Troubleshooting...................................................................................................................... 37
Operational Errors ................................................................................................................................ 37
Setup Mode Errors................................................................................................................................ 37
Hardware Errors ................................................................................................................................... 38
Calibration Errors ................................................................................................................................. 39
Communication Errors ......................................................................................................................... 39

1
Chapter 1: Reference
This chapter describes the major components of the Model 672 Precision Scale. Keypad functions are
explained in this chapter. Also tables show the connections for the second scale and comm ports.
ENCLOSURE
The enclosure is powder coat die cast aluminum with a handle for ease of portability. The Model 672
offers a small footprint which will conserve space.
Figure 1: Model 672 Outline Drawing
LOAD CELL
The load cell can be exchanged by first removing the stainless steel top plate. Turn the unit over and
remove the six 8 mm screws (size) from the bottom plate. Separate the top enclosure from the bottom
plate. Remove the two Phillips head screws from the bottom plate. Extract the load cell out by lifting it off
of the bottom plate.
Figure 2: Model 672 Load Cell Installation

2
MAIN BOARD
Refer to Figure 3 for the location of connectors for the load cell, keypad, display, Ethernet port, power
supply and database option.
Figure 3: Model 672 Main Board
KEYPAD
The Model 672 comes with a durable and versatile Polymeric switch plate with large keys for ease of use.
The keypad is easily cleaned with a damp cloth or non-abrasive cleaner.
SAMPLE
ABCMODE
SCALE SELECT TARE
ZERO
UNITS
PRINT
YES
SELECT ENTERALPHA
-#:,% CLR
N0
0
.SPACE
PQRS
9
WXYZ
8
7
TUV
GHI
6
MNO
54
JKL
3
DEF
2
1
ABC
F5F4
F3F2
F1
Figure 4: Model 672 Keypad

3
Keypad Functions
All of the keys perform different functions. Some keys have more than one function.
34567
Act as soft keys which will perform a specific function. Refer to the text on the display for the
function of each soft key.
:
Subtracts the weight of the tare from the displayed weight. Commonly used for removing the
weight of a container.
<
Performs a gross zero and displays the gross mode.
9
Performs a sample for an accurate parts counting and calculates an average piece weight.

Toggles the units of measure between lb, kg, g, ounce, etc.

Selects between all enabled scales. Will display current scale number.
=
Print data from a specified communication port.
>
Select among modes such as Gross, Net, Tare, Quantity and Average Piece Weight.
K
Clear the entry buffer or answer “NO” to a question.

Enter data or answer “YES” to a question.
;
Enter alpha or numeric characters or a combination of both depending on the ALPHA key
parameter configuration..
J- H, I
Numeric keys used to manually enter a value for tare weight, average piece weight, sample size
etc.

4
DISPLAY
A graphic 8 line x 40 character LCD provides excellent visibility with user defined help screens and
prompting. The graphic display features a backlight for use in poorly lit areas.
Figure 5: Model 672 Graphic Display
BACK PANEL CONNECTIONS
The Model 672 comes standard with 2 communication ports which use Male DB-9 connectors. Also a
remote base can be connected to the SCALE 2 Female DB-9 connector.
The Ethernet Option Module is optional and is accessible from the rear panel. Simply cut along the dotted
line with a knife where the Ethernet Option Module will be installed. Refer to the Model 675 Technical
Reference Manual for complete details on installing options.
Figure 6: Model 672 Rear Panel
Table 1: Scale 2 DB 9 Connector Pin Out
DB9 pin designation Function Load Cell Cable
1 + Signal 4 or 6 wire
2 - Signal 4 or 6 wire
3 + Sense 4 wire (connect a wire jumper to pin 8)
4 - Sense 4 wire (connect a wire jumper to pin 9)
5 - Excitation 4 or 6 wire
6 + Excitation 4 or 6 wire
7 Chassis Ground 4 or 6 wire
8 + Excitation 4 wire (connect a wire jumper to pin 3)
9 - Excitation 4 wire (connect a wire jumper to pin 4)
Program Switch
AC Power
672 Precision Scale
S e r i a l N o . XXXXXX
Standar
d
Ethernet Option

5
Table 2: Communication Port1 and Port2 Pin Out
DB9 pin
designation
Function
Com 1
Function
Com 2
1 No connection No connection
2 RXD RXD
3 TXD TXD
4 No connection No connection
5 Ground Ground
6 No connection No connection
7 RTS RTS
8 CTS CTS
9 +5 V +5 V

6
This page is intentionally left blank

7
Chapter 2: Configuration
The GSE 672 Precision Scale comes from the factory with the BASIC WEIGH mode enabled. It is
possible to enable the APW Lookup method of counting. See the explanations of each method below.
After each different method are the instructions for setting up that method.
Refer to Chapter 3 for operating instructions of each method.
BASIC WEIGH
The Basic Weigh method offers basic weighing with three different display styles. The default display style
shows the gross, net and tare weights.
Figure 7: Basic Weigh Default Screen
Display – Chose between three different display styles.
Display Style
Different display styles are offered to help customize the Model 672 to fit your needs. Press 3to
choose one of the display types. By using the >select key several modes can be viewed from the
BASIC WEIGH screen.
STYLE 1
This style uses the classic GSE 2x5 display in large font. Press the >key to toggle through the different
parameter choices.
STYLE 2
This style incorporates the classic GSE 2x5 display and a second display, which will show two other
parameters. Press the >key to toggle through the different parameter choices.
Medium display Small display Small display
Gross Net Tare
Net Net Tare
Tare Net Tare
Quantity Total Net Tare
Part # Net Tare
Quantity Net Tare
Average Piece Weight (APW) Net Tare
F1

8
STYLE 3
This style incorporates the classic GSE 2x5 display style along with three smaller displays which will show
the gross, tare and net parameters. Press the >key to toggle through the different parameter choices.
Setup - Access application menu,
Application Menu
The application menu provides access to other built in applications. Loading the application menu will
erase the current application.
From the application menu explanation screen press to load the application menu or press Kexit
back to the BASIC WEIGH mode.
If was pressed in the previous step the display will show ARE YOU SURE ???. Press to proceed
or press Kexit back to the BASIC WEIGH mode.
If was pressed in the previous step the display will show ENTER ACCESS CODE. Key in the access
code and press or press Kexit back to the BASIC WEIGH mode.
Figure 8: Application Menu Screen
Note:Enable the APW LOOKUP from the GSE CUSTOM tab. Press 4.
CAL (Calibration)
Refer to Chapter 4: Calibration on page 23 for complete instructions on calibrating the Model 672.
Medium Display Small Display Small Display Small display
Gross Gross Tare Net
Net Gross Tare Net
Tare Gross Tare Net
Quantity Total Gross Tare Net
Part # Gross Tare Net
Quantity Gross Tare Net
APW (average piece weight) Gross Tare Net
F5

9
F5
APW LOOKUP
The APW LOOKUP offers the flexibility of storing and recalling part numbers. The average piece weight
and part description will be stored and recalled with the part number.
Sample - Uses default sample size and prompts user to add that many pieces.
Store – Store a part number with average piece weight and description.
Rec/New – Add a new part number or recall a part number from the database.
Entry – This only appears when a part number is entered. Scan in or key in the part number and
press 5. Press 6to access the Description, Lot #, Bin # and APW fields.
Setup - Access setup menus, see page 10 for further details.
Figure 9: APW Lookup Screen Example
F2
F4
F3
F1

10
APW Lookup Configuration Setup Menu
Use the F5 Setup key from the APW LOOKUP screen to gain access to different menus.
Change
Sample
Delete
Part#
Key-In
APW
Setup
Menus
Exit
F1 F2 F3 F4 F5
Cal Display
Style
Print
Menu
Advance
Setup
Exit
F1 F2 F3 F4 F5
Style
1
Style
2
Style
3
Set
Modes
Exit
F1 F2 F3 F4 F5
Next Enable Disable Exit
F1 F2 F3 F4 F5
Print
Part#s
D-Load
Part#s
Print
Formats
Exit
F1 F2 F3 F4 F5
See page 14 for
complete details.
Comm
1
Comm
2
Exit
F1 F2 F3 F4 F5
Comm
1
Comm
2
Exit
F1 F2 F3 F4 F5
Setup
F5

11
Setup
This menu was designed for accessing the items that will need to be changed the most often. Below is an
explanation of the choices in the menu. Follow the instructions on the display for each key. The cell
shaded in gray has a multiple level menu.
FUNCTION
KEY PARAMETER DESCRIPTION DEFAULT
SETTING KEYPRESSES
3CHANGE
SAMPLE
Change the
default sample
size
10
Key in new sample size
and press Enter to accept
or F5 to escape
4DELETE PART #
Delete specified
part number
Will not show
until a part
number is
established
Key in part # and press
F3. Press F5 to enter the
setup. Press F2 to delete
part #.
5KEY-IN APW
Key in an average
piece weight for
sample
0
Key in new average piece
weight and press Enter or
F5 to escape
6SETUP MENUS Continues on to
the Setup Menus
Not applicable Press F4 to continue
Setup Menus
This is the next level of menus, which offer more advanced setup. Cells shaded in gray have multiple level
menus.
PARAMETER DESCRIPTION DEFAULT
SETTING KEYPRESSES
3CAL Calibration any of
the enabled scales
Not applicable Key in access code and
press Enter or press F5 to
escape
4DISPLAY STYLE
Chose how the
display will
appear
Style 2 Press either F1 – F3 to
chose the desired display
style or F5 to escape
5PRINT MENU
Choose what
information to
print out
Not applicable Continues on to the Print
Menu selections
6ADVANCE SETUP
Continues on to
the Advanced
Setup Menu
Not applicable See page 14
CAL (Calibration)
Refer to Chapter 4: Calibration on page 23 for complete instructions on calibrating the Model 672.
The YES key is the NO key is K.

12
Display Style
Different display styles are offered to help customize the Model 672 to fit your needs. Choose one of the
display types and press 7(EXIT) to save the change and return to the main menu. By using the >
select key several modes can be viewed from the APW LOOKUP screen. See the instructions on enabling
and disabling display selections under Set Modes on page 13.
STYLE 1
This style incorporates the classic GSE 2x5 display. The large display will show the weight or quantity.
The part number is shown in small font. Press the >key to toggle through the different parameter
choices.
STYLE 2
This style incorporates the classic GSE 2x5 display in medium font and two smaller displays which will
show two other parameters. The part description can also be viewed with this style. Press the >key
from the APW LOOKUP screen to toggle through the different parameter choices.
STYLE 3
This style incorporates the classic GSE 2x5 display style in medium font along with three smaller displays
which will show three other parameters. Press the >key to toggle through the different parameter
choices.
Large display
Gross
Net
Tare
APW (average piece weight)
% Accuracy
Last Sample
Quantity Total
# Accumulations
Quantity
Medium display Small display Small display
Quantity % Accuracy Sample
Quantity Gross Tare
Quantity Part # APW * K
Quantity Lot # Bin #
Quantity Quantity Total # of Accumulations
Quantity Part # APW
Gross Part# APW
Net Part# APW
Tare Part# APW

13
SET MODES
After choosing a display style, you have the ability to choose which screens are accessible by using the
>. The ability exists to enable or disable each choice.
1. Press 6to access the SET MODES menu.
2. Use the 3Next Mode key to toggle through the available screens.
3. Use the 4Enable key to enable the screen.
4. Use the 5Disable key to disable the screen.
5. Press 7to backup one screen. Continue pressing 7to exit to the main screen.
Print Menu
PRESET PRINTOUTS
The preset print formats are viewable on the LCD display. Use the 5left arrow and 6right arrow
keys to view all transmit styles.
Chose the desired format by viewing it on the screen. Press the 7(EXIT) key to save the format and
return to the main menu.
Medium Display Small Display Small Display Small display
Gross Part # Accuracy APW
Quantity Part # Accuracy APW * K
Quantity APW Accuracy Tare
Quantity Part # Lot # Bin #
Quantity Gross Tare Net
Quantity Part # APW Tare
Quantity Net Tare Gross Total
PARAMETER DESCRIPTION DEFAULT SETTING KEYPRESSES
Print Part#s Print stored part numbers
to printer or computer
Not applicable Print data to comm. 1, 2 or
display. Use F1 or F2
D-Load Part#s Download part number,
description, average piece
weight and tare weight in
comma delimited format
Not applicable Print data to comm. 1or 2.
Use F1 or F2
Print Formats Chose a preformatted
printout style
Print Style 1 Use F3 and F4 to view
print format choices. Press
F5 to save the format

14
Print# 1 Print# 2
Print# 3 Print# 4
Print#5-9
Custom
Advanced Setup Menu
The advanced menu will allow access to the time/date and setup mode. Use the +and ,keys to
navigate to the desired tab.
Figure 10: Advanced Setup Menu
P/N: ABCD123WXYZ
Desc: Red Cable Ties
Gross .370 lb
Qty: 30
Tare: 0.000 lb
Net: .370 lb
P/N: ABCD123WXYZ
APW: 0.0123456
Tare: 0.000 lb
10:10:00 09/13/2003
P/N: ABCD123WXYZ
Lot #
Bin #
APW: 0.0123456
Tare: 0.000 lb
Qty: 30
P/N: ABCD123WXYZ
APW: 0.0123456
Tare: 0.000 lb
Lot #
Bin #
Reserved for future use.
CREATE A CUSTOM TRANSMIT FORMAT!
ÎSee the Tech Manual for details
ÎCreate and load as transmit #130