Amada IS-300CA - Page 125

APPENDIX C: SYSTEM TIMING
IS-300CA INVERTER POWER SUPPLY
990-418 C-3
One-Stage Start
Stage 2 signal will begin the welding sequence with the selected Schedule #.
A
CP
RC
2ND STAGE
SQD
SQZ
W
ELD1
COOL1
W
ELD2
COOL2
W
ELD3
HOLD
O
FF
SOL1/SOL2
END
B
CC
B
PRECHECK
HEAT1
HEAT2
HEAT3
PRECHECK
HEAT1
HEAT2
HEAT3
GOOD
A:DELAYSTARTSET (Note 1)
W
elding current
Cu r ren t f low t iming
(N o t e 2 )
(N o t e 2 )
O
UT I
O
UT 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