Starting And Performing A Weld Cycle Using Weld Modes - Branson 900M Series Manual

obtained and the
POWER
bargraph reading, you can alter settings or adjust keys to achieve
satisfactory results. Take the time to:
• Weld a few parts using the initial settings.
•
Examine the parts, note any alarms, and adjust the settings according to your findings.
•
Change one setting at a time until a weld is produced in minimum time with
maximum strength.
Note: If audible alarms sound and the red LED on the RESET is flashing, do not press
RESET. To re-display or read error messages on the Status display, press the lit
mode key. Note all error messages on the Status display. For an explanation of
error messages, refer to Appendix G.
Before doing the next weld, press RESET.
Once you have gained acceptable results in Time Mode, record the following information:
Energy level: Press the
ENERGY
key and note the energy in joules value of the last
weld displayed in the upper numeric display window. Press the
TIME
key to
return to Time Mode.
Peak power. Press the
POWER
UNIT key and note the power value of the last weld
shown in the
STATUS
display. Press the
POWER LIMIT
key again to return to Time
Mode.
If you have an ECI and printer attached, run off one or two pages of weld data. Note
which welds resulted in good or bad parts. Refer to your ECI manual for instructions on
setting the printer settings.
You are now ready to consider using other weld modes and settings. These can provide
more process control and signals for identifying suspect parts. Refer to Sections 4.2, 4.3
and 4.4 for details on accessing and setting the other weld modes. Also, read the sections
that follow for hints on setting parameters and welding in the various modes.
4.5.6 Starting and Performing a Weld Cycle Using Weld Modes
If you have used a 900M before, but with an earlier MBOS version, be sure to read
Section 4.4 for details on the new software menus.
Notes: Setting Modes — The 900M must return to
READY
before a weld cycle can begin. It
is in
READY
state when the
STATUS
display indicates
READY.
Trigger Pressure — Lower trigger pressure settings are generally used unless there
is a need to overcome warpage or to compress internal components such as
springs, diaphragms or seals.
Operation
4-54 900M P/S Operator's