LGK-100.160.200IGBT OPERATOR’S MANUAL
15
Suitable current
(
A
)
20
~
30
30
~
40
40
~
65
70
~
90
80
~
100
110
~
130
140
~
170
180
~
210
220
~
250
Connection of air-cooled torch: first connect the torch cable connector M14 nut with the
copper nozzle signed with Air& Power on the front panel, and screw down the nut; then
connect the torch pilot wire to terminal signed with Pilot on the front panel and screw down
the nut. Finally, connect the torch control pin to the terminal signed with Control Signal on
the front panel and screw down the nut.
Special notes: it should not exceed the rated current of torch when use air cooling torch, or
it will be damaged by heat.
Connection of water-cooled torch (for LGK-160/200): first connect the torch cable
connector M16 nut with the copper nozzle marked with Water& Power output on the front
panel, and screw down the nut. Connect the backwater pipe M10 nut of torch with the
copper nozzle marked with Backwater on the front panel, and screw down the nut. Connect
the torch gas pipe M14 nut with the copper nozzle marked with Air& Power output and
screw down the nut. Then connect the pilot wire with the terminal marked with Pilot on the
front panel, and screw down the nut. Finally, connect the control plug of torch with the
socket marked with Control Signal, and screw down the plug nut.
The requirements on connection of control plug when customers change different torch
from another factory.
z
Adopt WS20J4TQ 4-core pin form WEIPU Electrical Appliance Co., Ltd
z
Requirements on air cooling torch connection:
1).
Connect the 1, 2 pin of 4-core pin to switch control wire of cutting torch.
2).
Short connect 3, 4 pin of 4-core pin by gummed wire.
3).
Striking arc wire connects cold-press joint UT-8.
z
Requirements on water cooling torch:
1). Connect the 1, 2 pin of 4-core pin to switch control wire of cutting torch.
2). The 3, 4 pin of 4-core pin don`t connect wire.
3). Striking arc wire connects cold-press joint UT-8.
9.
Connection of cutting ground wire
Connect the fast connector of cutting ground wire with the outlet marked with Cutting
Ground Wire on the front panel and screw down it clockwise. The other end of the cutting
ground wire is firmly connected to workpiece.
Connection of control signal (for automatic cutting equipment)
To use the socket with model No. WS20K4Z, and the function for each wire pin is as
following.
Connector pin 1 and pin 2 is signal output of success arc striking, it is one group of contact
terminal of relay, and its rated load capability is 3A/250VAC or 3A/30VDC.
Connector pin 3 and pin 4 is start control wire of cutter, its starting method is controlled by
operating selection switch. Usually 2-Step is selected, that is, it starts under short connection,
and stops after cutting off. The two wire is used in parallel with torch control socket pin 1, pin 2
on the front panel.
Содержание LGK-100GBT
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