CHAPTER 1: DESCRIPTION
UB25 LINEAR DC RESISTANCE WELDING CONTROL
990-665
1-11
KEY
FUNCTION
Numeric Keypad
Enter or modify weld period time and energy values.
Enter or modify monitor and limit values.
Directly recall a specific weld schedule.
Select menu items when
MENU
screens are displayed.
Press to insert a decimal point into the time and energy values you enter.
Press to display the version number of the Power Supply software and
other pertinent information about the Power Supply.
When in the
MONITOR
state, press to view the resistance waveform of
the last weld. The resistance waveform and values are provided as a
reference and are designed to provide an illustration of the resistance
change during the weld.
NOTE:
The
kA
,
V
, and
kW
keys are used to:
•
Set the feedback mode for Pulse 1 and Pulse 2 in the weld schedule.
•
Set the feedback parameters for upper and lower monitor limits.
•
Select the monitor mode to be viewed on the LCD display.
When
PROGRAM
is displayed, this key is used to set
current
as the
feedback mode for Pulse 1
or Pulse 2. First, use the
WELD
key to
highlight the energy field, then enter the desired output level with the
numeric keypad, then press the
kA
key to change the feedback mode to
current
.
When
MONITOR
or
RUN
is displayed in the
MONITOR
state, this key
is used to set
current
as the limit parameter for Pulse 1
or Pulse 2. First,
use the
WELD
key to highlight the energy field, then enter the desired
limit level with the numeric keypad, and then press the
kA
key to change
the limit parameter to
current
.
When
MONITOR
or
RUN
is displayed in the
MONITOR
state, press
the
kA
key to view the
current
graph on the LCD display.
