ENTRON Controls, LLC. • 700120S • Page 77
6.0 GENERAL OPERATING INSTRUCTIONS
For customer’s convenience, many electrical and mechanical connections have been performed
at the factory. Refer to Wiring Diagram for other connections.
Be sure ALL electrical connections are properly made and that all fittings are securely tightened.
Loose electrical connections can cause faulty or erratic operation of the control or welding
machine.
If the machine is air operated, turn on the air supply to the machine. Set air pressure in accordance
with the machine manufacturer’s recommendations.
Be sure that the welding machine heads are fully retracted. Turn on main power. The SCHEDULE
and DATA displays will turn on at this time.
Place the control in NO WELD. Use either the Front Panel’s WELD/NO WELD push button or
the External Weld/No Weld Switch connected to the Terminal Strip between TS1-NW1 and
TS1-GND.
6.1 WELD SEQUENCE EXAMPLE
Program a simple single SPOT schedule into the control as follows:
SQUEEZE count 30 to 60 cycles
WELD/HEAT count 12 to 25 cycles
PERCENT CURRENT 50 to 60%
HOLD count 10 to 15 cycles
OFF count 00 cycles
IMPULSES 01 (NO IMPULSES)
COOL count 00 cycles
VALVE MODE 01 (VALVE 1)
CYCLE MODE 00 (NON-REPEAT)
SLOPE MODE 00 (NO SLOPE)
SLOPE COUNT 00 cycles
1. Initiate the control. On installations with a Two Stage Pilot switch, depress the First Stage
only. The programmed valve will activate. The control will not sequence through SQUEEZE,
WELD, HOLD and OFF. Be sure that the electrodes have closed together prior to depressing
the Second Stage.
2. The control will sequence but will not weld, and then the head or arms will retract. On
Single Stage operation, closure of the Pilot switch will cause the control to sequence. On
foot-operated machines only, a switch on the mechanical linkage of the machine will initiate
the sequence.
KEEP HANDS, ARMS, OTHER PORTIONS OF THE BODY, CLOTHING, AND
TOOLS AWAY FROM THE MOVING PARTS OF THE MACHINE.
CAUTION
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