CHOWEL PATC--150A-EU, Instruction Manual

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CHOWEL / PATC-150A-EU
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6-12-5 REWELD AT FAULT sequence
This sequence shows the operation when the REWELD AT FAULT is set at ON
and the NO CURRENT are detected as an fault.
In case of other faults than the fault caused by the NO CURRENT, the
EXTREMELY LOW CURRENT and the LOW CURRENT, reweld is not made.
Pilot input OFF
Valve output OFF
Weld current OFF
Weld complete
output
OFF
ISQ SQ US WT1 CT WT2 HT US WT1 CT WT2 HT
when EXTREMELY LOW CURRENT / LOW
CURRENT is detected
REWELD
sequence
ISQ : Initial Squeeze Time CT : Cool Time
SQ : Squeeze Time WT2 : #2 Weld Time
US : Up Slope Time HT : Hold Time
WT1 : #1 Weld Time OT : Off Time(in repeat mode only)
Fig.6-9