IPB-5000B
9. Timing Chart
9-6
(5) Behavior of SOL1 and SOL2
SOL1 Output works by the Input of 1ST STAGE. When 1ST STAGE Input is open,
SOL1 Output also becomes open if it is before the start of a weld sequence. After
the start of a sequence, even if 1ST STAGE Input is open, SOL1 Output keeps
closed until the sequence comes to an end.
When using SOL1, 1ST STAGE Input allows SOL1 to adjust a squeeze location.
After inputting 1ST STAGE, weld current can be supplied by 2ND STAGE Input.
SOL1 becomes opened with SOL2 output after the end of HO in spite of the input
condition of 1ST STAGE.
SOL2 output works by the Input of 2ND STAGE and is closed from SQD to HO.
Symbol:
SQD: Squeeze Delay Time SQZ: Squeeze Time
RC: Resistance Pre-check Time CP: Resistance Judgment Time (1 ms)
U1: Upslope 1 Time W1: 1st Weld Time
D1: Downslope 1 Time CO: Cool Time
U2: Upslope 2 Time W2: 2nd Weld Time
D2: Downslope 2 Time HO: Hold Time
a: When 1ST STAGE Input is open before the start of a weld sequence, SOL1
Output also becomes open.
b: Once the sequence is started, SOL1 Output keeps closed until HO is completed
even if 1ST STAGE Input is made open.
c: START SIG. TIME, the period set for prevention of chattering.
END Out put
SOL 2 Ou tpu t
SOL 1 Ou tpu t
2ND STA GE
1ST STA GE
W eld Cu rre nt
OFF
OFF
OFF
OFF
OFF
OFF
a b
c
SQZ RC CP
U1
W1
D1
CO
U2
W2
D2
HOSQD
To Next Page
Loading...
