Chapter 5 : Service and Repair
Serial Communication
Test with PC
A HyperTerminal serial (RS232) test can be conducted to see if serial communication
problems are occurring. This test can determine if the issue is with the scale connection
/ communication to the PC, or if the issue is within the shipping software program itself.
The HyperTerminal test will confirm
o If the scale is properly connected to the PC
o If the scale is able to communicate by serial RS232 to the PC
o If the scale is able to display the correct weight
PC Connectors
AC
Outlet
Display
Serial
USB &
Power
Power Supply required with RS232 connection
Run this test whenever it is unknown as to why the manifest or shipping software is not
showing a weight, or the proper weight, on the PC screen.
1. Connect Scale to the PC as shown below. Note the COM port on the PC that the
scale is connected to for step 5.
2. After scale powers up, enter GeoCal value if “Geo in” is displayed. See Quick Start
Guide for Geo Location Codes and how to enter the value.
3. Check the scale’s serial set up parameters per steps in chap 4. Home > SetUp >
Communications > Serial. Write down the values for Baud, ASCii, Parity, Stop Bits
and Protocol as you will need to enter the matching data in the HyperTerminal
screen.
4. Access the HyperTerminal program on your PC as shown below. HyperTerminal is
a standard Windows program in XP operating systems under Accessories >
Note: Test does not apply if
using USB communications.
Note: HyperTerminal is no
longer standard in Win 7 or
later versions of Windows. It
can still be obtained on line
or copied from an XP
computer. Similar Programs
such as PuTTY or MT
Albatross can be used.