An economical spot welder control that controls the transformer only.
Unitrol has created an ECONOMICAL, POWERFUL, and SIMPLE MICROCOMPUTER driven resistance welding control system designed to operate a large variety of equipment:
Mechanical pedal operated welders
Cam operated machine type welders
Computer driven welding cells
Multi-SCR systems
Foot or hand operated bench welders
High speed automated welding cells
The basic system is designed to control the welding transformer duties only. No solenoid driver is available on the Fire’n Module control. The FIRE’N MODULE can be purchased as a circuit board only for mounting in as existing cabinet with customer supplied SCR contactor or as a complete control with circuit board and SCR contactor mounted in an enclosure.
OPERATIONAL FUNCTIONS OF THE FIRE’N MODULE:
SIMPLE thumb wheel settings
MICROCOMPUTER driven accuracy
0-99 cycles of WELD TIME, 0-99% WELD HEAT
SCR pulse transformer driver system, NEMA protection
INPUT VOLTAGE: 115, 208/230, 380, 460, 575
50/60 HZ operation
INPUT TERMINALS for INITIATION, NO WELD, EMERGENCY STOP, SCR and TRANSFORMER OVER TEMPERATURE THERMOSTATS
AUTOMATIC POWER FACTOR
SWITCH SELECTED OPERATION MODES:
½ CYCLE OR FULL CYCLE COUNT
FIRST HALF CYCLE INRUSH PROTECTION on/off
BEAT OR NON-BEAT INITIATION
POLAR OR NON-POLAR FIRING
PLUG IN OPTIONS AVAILABLE:
UPSLOPE
DOWNSLOPE
PULSATION
DUAL HEAT/DUAL TIME
EHR (end of sequence) RELAY
RS-232 DATA INPUT
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