26
EXTENDED FUNCTIONS
Layout of Switches and Controls on Printed Circuit Board
Caution: To change over the setting of the SW11,and from the SW8 and vice
SW6 to versa.change an inserted position of a white connector.
Changeover
Setting the Selector Switch on the Printed Circuit Board.
Selector switch 8,6(crater/crater with initial condition)---sw8 selected upon shipment
SW8 selected --- Capable of outputting the crater welding conditions without initial
conditions.
SW6 selected --- Capable of outputting the same conditions as the crater welding
conditions as initial welding conditions.
Prerequisite
The CRATER "ON/OFF" selector switch should be set to
“
ON
”
.
The relations with the crosshatched new control sequence operation and welding torch switch
operation in the table below are described in the timing chart on the next page.
Setting of CRATER
ON / OFF Switch
Selector Switch 8,6
on PCB
Control Sequence Operation
Time Chart
DISABLE
OFF
Torch
Switch
Synchronous
Operation
Refer to Page 20
DISABLE
ON
Switch 8 selected
General self-hold crater refer
to page 21
Refer to Page 21
Switch 6 selected
Self-hold crater operation with
initial condition function
Refer to Page 26
Summary of Contents for YD-500KR
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