
APPENDIX C: SYSTEM TIMING
IS-300CA INVERTER POWER SUPPLY
C-2
990-418
Pulsed Mode
When the 2ND STAGE signal is input for more than the time set through
DELAY START SET
and then
stops, the welding sequence will proceed to completion.
A
(1,2,4,8,16
32,64,128,P)
B C
Schedule
selection
Welding sequence
B: Monitored value judgment
time
C: END signal output
time
END signal output
Valve output
(SOL1 or SOL2)
2ND STAGE
A: DELAY START SET
SQD SQZ
U
U
D
D
WE1
WE2
U
D
HO
CO1
CO2
WE3
Start Signal Input in Pulsed Mode
Latched Mode
The welding sequence halts if the 2ND STAGE signal stops during squeeze time (
SQZ
).
The welding sequence proceeds to completion when the 2ND STAGE signal stops during Weld
1 time (
WE1
) or later.
A
2ND STAGE
A: DELAY START SET
Schedule
selection
(1,2,4,8,16
32,64,128,P)
SQD
Welding sequence
SQZ
U U
D
D
WE1
WE2
U
D
HO
CO1
CO2
WE3
B: Monitored value judgment
time
B
C
C: END signal output
time
END signal output
Valve output
(SOL1 or SOL2)
Start Signal Input in Latched Mode
Summary of Contents for IS-300CA
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