67XXU USB/Serial Scale Service Manual 3
Table of Contents
Chapter 1 General Information and Warnings ........................................................................................ 5
About this Manual .............................................................................................................. 5
Text Conventions ........................................................................................................ 5
Special Messages ....................................................................................................... 5
Warnings ............................................................................................................................ 6
Routine Maintenance ......................................................................................................... 6
Sharp Objects .................................................................................................................... 6
Cleaning the Indicator ........................................................................................................6
CE Certification .................................................................................................................. 7
Chapter 2 Installation ................................................................................................................................ 8
Connections ....................................................................................................................... 9
Display ......................................................................................................................... 9
Power Supply .............................................................................................................. 9
USB Port (Com 1) ....................................................................................................... 9
RS-232 Serial Port (Com 2) ........................................................................................ 9
Column and Remote Display Mounting ........................................................................... 10
Mounting the Display to the Scale Base .......................................................................... 14
Desktop and Wall Display Mounting ................................................................................ 17
Mainboard ........................................................................................................................ 18
Definition of Connectors and Jumpers ...................................................................... 18
Chapter 3 Specifications ......................................................................................................................... 20
Available Models ..............................................................................................................20
Outline Dimensions .......................................................................................................... 20
Mounting .......................................................................................................................... 21
Power Supply ................................................................................................................... 21
Display ............................................................................................................................. 21
Keypad ...................................................................................................................... 21
Environment ............................................................................................................. 21
Load Cell Excitation ................................................................................................... 21
Approvals ......................................................................................................................... 21
Communication ................................................................................................................ 22
Analog Circuitry ................................................................................................................ 22
Capacity and Division ...................................................................................................... 22
Accuracy .......................................................................................................................... 22
Calibration Method ........................................................................................................... 22
Other Main Functions ....................................................................................................... 23
Chapter 4 Configuration .......................................................................................................................... 24
Front Panel ...................................................................................................................... 24
Keys ................................................................................................................................. 25
Navigating the Weigh Mode ............................................................................................. 26
Enter the Weigh Mode ............................................................................................... 26
Enter or Exit the HOLD Mode .................................................................................... 26
Zero ........................................................................................................................... 26
Tare ........................................................................................................................... 26
Preset Tare Weight ................................................................................................... 26
Clear Tare Weight ..................................................................................................... 26
Output Data (print to a computer or printer) .............................................................. 27
Display Gross or Net Weight ..................................................................................... 27
Change Weight Unit .................................................................................................. 28
Check Weight (compare feature) .............................................................................. 29
Navigating the Count Mode ............................................................................................. 29
Enter Count Mode ..................................................................................................... 30
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