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I N S T R U C T I O N M A N U A L • M O D E L H 5 2 0 E / H 5 4 0 E
23
RELATIONSHIP OF TIME AND ENERGY SETTINGS
Parameters can be set in the time and energy menus. The settings in both of
these menus should be taken into account when you are setting up a job
since they do not function independently of each other and a parameter in
one menu can impact the effect of a parameter in another menu.
For example, if you specify a weld time of 2 seconds and an energy setting
of 2,000 joules, the weld cycle will be terminated by whichever of the 2
settings (Weld Time or Energy Setting) is reached first – that is, either when
ultrasonics have been applied for 2 seconds or when energy equivalent to
2,000 joules has been delivered to the parts being assembled. If 2 seconds
is reached before 2,000 joules have been delivered, the weld cycle will
terminate regardless of the amount of energy delivered, and vice versa.
The start-up ready screen which shows the last weld information will show a
flashing “sec” or “J” to indicate which setting was achieved first and thereby
terminated the weld cycle. In the example above, if the weld time of 2
seconds is reached before 2000 joules have been delivered, the ready screen
will display “02.00 sec,” with the “sec” flashing, along with whatever energy
was delivered. The peak power delivered (%Pmax) will be displayed as a
percent of the supply rating.
The ability to specify Time and Energy affords maximum control of the weld
process. However, when entering your specifications in the various menus
described below, keep in mind that the settings from previous use remain in
effect until you make a change and use the Enter key to register a new value.
This means that if you want to achieve a weld time of 2 seconds, for
example, you will need to ensure that other entries in the Energy menu will
allow a 2-second weld before an Energy setting is reached (and ultrasonics
are terminated).
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