CHAPTER 3: USING PROGRAMMING FUNCTIONS
IS-300CA INVERTER POWER SUPPLY
3-24 990-418
NOTE: When DELAY START SET is 1ms or 2ms, the schedule number when the 2ND STAGE
signal is received is selected. Therefore, in Fig. (A) above, the schedule number is not selected
and the schedule signal input error occurs. When DELAY START SET is 1ms or 2ms, input the
schedule signal in advance before the 2ND STAGE signal is received.
b. START SIGNAL MODE
Set the input method of the start signal to activate the Power Supply.
WHEN LATCHED. 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
Weldin
sequence
SQZ
UU
D
D
WE1 WE2
U
D
HOCO1
CO2
WE3
B: Monitored value
ud
ment
time
B
C
C: END si
nal output
time
END si
nal output
Valve output
(SOL1 or SOL2)
WHEN PULSED. 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
Weldin
sequence
B: Monitored value
ud
ment
time
C: END si
nal output
time
END si
nal output
Valve output
(SOL1 or SOL2)
2ND STAGE
A: DELAY START SET
SQD SQZ
UU
D
D
WE1 WE2
U
D
HOCO1
CO2
WE3
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