
APPENDIX D: SYSTEM TIMING
HF28 DC RESISTANCE WELDING SYSTEM
D-2
990-372
Basic Weld Operation: Manual Head System with Firing Switch Operation
Definitions
DELAY
Delay time from firing switch closure to the start of the weld sequence (that is, start of
SQZ
). Maximum
DELAY
time is 2 ms, plus switch debounce time.
SQZ
Squeeze time. Selectable range is 0 to 999 ms.
UP
Up slope time. Selectable range is 0.0 to 99.0 ms.
WELD
Weld time. Selectable range is 0.0 to 99.0 ms.
DOWN
Down slope time. Selectable range is 0.0 to 99.0 ms.
COOL
Cool time. Selectable range is 0.0 to 99.0 ms.
HOLD
Hold time. Selectable range is 0 to 999 ms.
Summary of Contents for 1-288-01
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