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APPENDIX C: SYSTEM TIMING
IS-2200CA/4500CA INVERTER POWER SUPPLY
990-412
C-3
One-Stage Start
Stage 2 signal will begin the welding sequence with the selected Schedule #.
A
CP
RC
2ND STAGE
SQD
SQZ
WELD1
COOL1
WELD2
COOL2
WELD3
HOLD
OFF
SOL1/SOL2
END
B
C
C
B
PRECHECK
HEAT1
HEAT2
HEAT3
PRECHECK
HEAT1
HEAT2
HEAT3
GOOD
A : DELAY START SET (Note 1 )
We ld ing current
Current f low t im ing
(Note 2 )
(Note 2 )
OUT I
OUT I I
SQD: Squeeze delay time
SQZ: Squeeze time
RC: Resistance pre-check time
CP: Resistance judgment time (2ms)
WELD1: 1st weld time
COOL1: Cooling time 1
WELD2: 2nd weld time
COOL2: Cooling time 2
WELD3: 3rd weld time
HOLD: Hold time
OFF: Off time
Summary of Contents for S-2200CA
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