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conjunction with an internal current sensor for monitoring and comparator options available
in the user interface. The voltage measurement can be taken internal to the welding unit (no
extra connections needed)
• Basic PLC Trigger Input: This input gives an automated weld delivery system the ability to
notify the Linear DC welding unit when to trigger a welding sequence. This signal can be
controlled and delivered by other automation system components such as a PLC. The user
interface provides triggering options for when this signal is active.
• Foot Trigger 1 and 2: These signals give weld delivery systems the ability to signal the Linear
DC welding unit when to start a welding sequence. They are typically delivered by a manual
foot pedal switch, however, an automated weld delivery system could provide these signals
as well. Options for how the welding unit responds to Foot Trigger signals can be found in
the user interface.
• WH Trigger: This input gives and automated weld delivery system the ability to notify the
Linear DC welding unit when to weld. The user interface provides triggering options for when
this signal is active.
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