APPENDIX C: SYSTEM TIMING
IS-300CA INVERTER POWER SUPPLY
990-418 C-7
Pulsation
Operation is repeated in WELD and INT set times.
2ND STAGE
SQD
SQZ
ELD1
INT 1
COOL1
ELD2
INT 2
COOL2
ELD3
INT 3
HOLD
SOL1/SOL2
HEAT1 HEAT1 HEAT2 HEAT2
PULSAT ION1 PULSAT ION2 PULSAT ION3
HEAT3 HEAT3
(N o t e 1 )
(N o t e 2 )
(N o t e 3 )
e ld ing cu r ren t
OUT I
OUT I I
(Note 1) Repeat operation times set for PULSATION1 in WELD1 and INT1 set times.
When PULSATION is set to 3, WELD to INT are repeated 3 times as follows;
SQZ→ WELD1→ INT1→ WELD1→ INT1→ WELD1→ INT1→ WELD2...
(Note 2) Repeat operation times set for PULSATION2 in WELD2 and INT2 set times.
(Note 3) Repeat operation times set for PULSATION3 in WELD3 and INT3 set times.
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